CN108864978B - Large infusion bag hot stamping ribbon free of benzene solvent residues and preparation method thereof - Google Patents
Large infusion bag hot stamping ribbon free of benzene solvent residues and preparation method thereof Download PDFInfo
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- CN108864978B CN108864978B CN201810610732.0A CN201810610732A CN108864978B CN 108864978 B CN108864978 B CN 108864978B CN 201810610732 A CN201810610732 A CN 201810610732A CN 108864978 B CN108864978 B CN 108864978B
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 239000002904 solvent Substances 0.000 title claims abstract description 35
- 238000001802 infusion Methods 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 40
- 238000000576 coating method Methods 0.000 claims abstract description 33
- 239000003292 glue Substances 0.000 claims abstract description 28
- 238000007774 anilox coating Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- 229920006267 polyester film Polymers 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 114
- 229920005989 resin Polymers 0.000 claims description 68
- 239000011347 resin Substances 0.000 claims description 68
- 239000003960 organic solvent Substances 0.000 claims description 31
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 30
- 239000011248 coating agent Substances 0.000 claims description 28
- 238000001035 drying Methods 0.000 claims description 27
- 239000000049 pigment Substances 0.000 claims description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 21
- 239000003085 diluting agent Substances 0.000 claims description 20
- 239000004831 Hot glue Substances 0.000 claims description 17
- 239000000839 emulsion Substances 0.000 claims description 16
- 229920000178 Acrylic resin Polymers 0.000 claims description 14
- 239000004925 Acrylic resin Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- 229920001169 thermoplastic Polymers 0.000 claims description 12
- 239000004416 thermosoftening plastic Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000001993 wax Substances 0.000 claims description 12
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 10
- 230000009477 glass transition Effects 0.000 claims description 10
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 10
- 239000012046 mixed solvent Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000008213 purified water Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000003208 petroleum Substances 0.000 claims description 7
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 6
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- 239000012860 organic pigment Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000020 Nitrocellulose Substances 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229920006217 cellulose acetate butyrate Polymers 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 238000007865 diluting Methods 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 229920001220 nitrocellulos Polymers 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 235000013869 carnauba wax Nutrition 0.000 claims description 3
- 239000004203 carnauba wax Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 229920001519 homopolymer Polymers 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 239000012461 cellulose resin Substances 0.000 claims description 2
- 229920005749 polyurethane resin Polymers 0.000 claims description 2
- 150000001555 benzenes Chemical class 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 8
- 239000003814 drug Substances 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000009924 canning Methods 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 239000012467 final product Substances 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000005022 packaging material Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003978 infusion fluid Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004822 Hot adhesive Substances 0.000 description 1
- 238000003854 Surface Print Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
- C09J7/401—Adhesives in the form of films or foils characterised by release liners characterised by the release coating composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/14—Printing inks based on carbohydrates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Laminated Bodies (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention relates to a large infusion bag hot stamping ribbon without benzene solvent residues and a preparation method thereof, wherein the hot stamping ribbon comprises a substrate, a parting agent layer, an ink layer and a thermosol back glue layer which are made of biaxially oriented polyester films, and the parting agent layer, the ink layer and the thermosol back glue layer are sequentially coated on the surface of the substrate through a gravure anilox roller. The invention is characterized in that: the hot stamping ribbon can be used for various common co-extrusion infusion bag film hot stamping processes in the industry, has excellent universality, and does not use benzene solvents in the process of raw material preparation and coating processes, so that the final product does not contain benzene solvent residues, the pollution of the benzene solvents in the ribbon to the environment of a large infusion canning workshop is avoided, and the risk of pollution of the residual benzene solvents in the hot stamping to liquid medicine in a bag body through diffusion is avoided.
Description
Technical Field
The invention relates to a large infusion bag hot stamping ribbon without benzene solvent residues and a preparation method thereof, in particular to a hot stamping ribbon for an infusion bag surface printing process and a preparation method thereof.
Background
Infusion solutions are commonly referred to as large-volume injection solutions, and generally refer to sterile liquid preparations having a volume of 50ml or more and directly administered into the body by intravenous drip. The packaging materials existing in the infusion market of China at present mainly comprise four forms of glass bottles, plastic bottles, non-PVC soft bags and vertical soft bags.
The non-PVC soft bag as the most ideal transfusion container at present has a plurality of advantages: (1) the method has good safety, effectiveness, stability and environmental protection, and meets the requirements of environmental protection regulations in China. (2) It has good transparency and is easy to find foreign matters in the liquid medicine. (3) The transportation is convenient and safe no matter the empty bag and the liquid medicine filled in the empty bag are transported, and the cost is low. (4) The liquid medicine is not secondarily polluted by air in the infusion process, and is easy to be accepted by people after popularization and use.
The trend of large infusion package selection in China conforms to the international development trend, but the gap is still existed compared with the developed countries. In developed countries such as europe and america, infusion products packaged in soft bags or plastic bottles have become the mainstream of the market, and developed countries and regions such as europe, the usa, japan and australia have used soft plastic packages more than 90%. The glass bottles in China are expected to be accelerated to exit the market in the future, the market share of soft plastic packaging is continuously increased, and finally, a market pattern with a non-PVC soft bag as a main component is formed.
The production of non-PVC soft bag infusion solution must be completed in a hundred-grade clean workshop, which makes the traditional printing mode have no use due to solvent volatilization polluting the workshop environment. Therefore, the identification of the bag body (including the name, trademark, instruction, production date, shelf life and expiration date of the medicine) is usually completed by adopting a hot stamping process. The hot stamping process adopts a raised character printing template, and the raised character printing template is stamped on a hot stamping ribbon under the heating condition, so that the printing ink on the hot stamping ribbon is transferred to the surface of the bag body under the action of heat and pressure.
In addition, benzene solvents are used in the processes of raw material preparation and coating in the hot stamping process of the existing manufacturers, so that the final product contains residual benzene solvents, the benzene solvents in the color bands pollute the environment of a large-volume transfusion canning workshop, and the risk of pollution of residual benzene solvents in the bag body by diffusion after hot stamping exists.
Furthermore, according to the current national standards related to medical packaging materials, for example, YB00132002-2015 "pharmaceutical composite film and bag general rules" clearly stipulate that the total solvent residue of the medical packaging material should not exceed 5.0mg/m2And the residual quantity of benzene and benzene solvents is not detected. Therefore, the hot stamping ribbon for the large infusion bag can meet the standard.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a large infusion bag hot stamping ribbon without benzene solvent residues, which comprises a substrate, a parting agent layer, an ink layer and a thermosol back glue layer, wherein the parting agent layer, the ink layer and the thermosol back glue layer are sequentially coated on the surface of the substrate;
the release agent layer consists of a main agent and a diluent, wherein the main agent is selected from one or more of wax emulsion or organic silicon resin emulsion, and is prepared by diluting and mixing pure water and ethanol mixed solution serving as the diluent;
the ink layer consists of pigment, high-temperature-resistant resin and an organic solvent, and is an oily system or a water-based system;
the hot melt adhesive back glue layer is composed of thermal sensitive resin, an organic solvent and silicon dioxide powder.
Preferably, the wax emulsion is carnauba wax or ester wax emulsion, the mass ratio of purified water to ethanol in the diluent is 1: 1, and the solid content in the release layer is 0.5% -5.0%.
Preferably, the pigment accounts for 10-25% of the ink layer, the high-temperature-resistant resin accounts for 10-25% of the ink layer, and the organic solvent accounts for 80-60%; the pigment is organic pigment, the high temperature resistant resin is mixture of nitrocellulose or cellulose acetate butyrate and thermoplastic acrylic resin with glass transition temperature of more than 80 ℃; the organic solvent is a mixed solvent of ethyl acetate and butyl acetate; the pigment particle size in the ink is less than 25 μm.
Preferably, the high temperature resistant resin is selected from one or more of acrylic resin, cellulose resin and polyurethane resin.
Preferably, the solid content in the hot-melt back adhesive layer is 10-30%, and the organic solvent is a mixed solvent of ethyl acetate and butyl acetate.
Preferably, the heat-sensitive resin is selected from one or more of polyethylene vinyl acetate copolymer resin, rosin resin and petroleum resin, and the softening point of the rosin resin and the petroleum resin is higher than 120 ℃.
Preferably, the content of vinyl acetate monomer in the polyethylene vinyl acetate copolymer resin is more than 30%.
Preferably, the thermoplastic acrylic resin with the glass transition temperature of more than 80 ℃ adopts polymethyl methacrylate homopolymer or copolymer taking methyl methacrylate as main monomer.
The invention also provides a preparation method of the large infusion bag hot stamping ribbon without benzene solvent residues, which is characterized by comprising the following steps:
(1) preparation of raw materials:
a. selecting a biaxially oriented polyester film as a base material;
b. preparing a release agent layer: the diluent is prepared by mixing and stirring the main agent and the diluent uniformly;
c. preparing an ink layer: the paint is prepared by mixing and stirring the pigment, the high-temperature-resistant resin and the organic solvent uniformly;
d. preparing a hot melt adhesive back glue layer: the heat-sensitive resin is prepared by dissolving heat-sensitive resin in an organic solvent and adding silicon dioxide powder to the heat-sensitive resin for high-speed dispersion;
(2) the coating process comprises the following steps: coating the release layer, the ink layer and the thermosol back glue layer on the surface of the release layer, the ink layer and the thermosol back glue layer in sequence by a gravure anilox roller, and the method comprises the following specific steps:
A. coating the release agent layer on a biaxially oriented polyester film by a gravure anilox roller, and drying, wherein the coating dry weight is controlled to be 0.025-0.1g/m2To (c) to (d);
B. coating the ink layer on the surface of the release agent layer by a gravure anilox roller, and drying, wherein the coating dry weight is controlled to be 1.0-3.0g/m2To (c) to (d);
C. coating the hot melt adhesive back glue layer on the surface of the ink layer by a gravure anilox roller and then drying, wherein the coating dry weight is controlled to be 0.5-1.5g/m2To (c) to (d);
(3) and cutting and rewinding to obtain a finished product.
Through adopting above-mentioned technical scheme, have following beneficial effect:
1. the release agent layer is used for treating the surface of the biaxially oriented polyester film, so that the ink layer and the hot melt adhesive back glue layer coated at the later stage can fall off from the surface of the substrate.
2. The ink layer is composed of pigment and high temperature resistant resin, is a colored layer of a colored tape, and develops color on the surface of the large transfusion soft bag after hot stamping, so that the use instruction of the liquid medicine, the marks such as trademarks and the like can be presented.
3. The thermosol back glue layer is composed of hot adhesive resin, shows adhesive capacity under the action of heat and pressure, and firmly adheres the ink layer to the surface of the soft infusion bag.
4. The benzene-free solvent residue transfusion bag hot stamping ribbon uses a biaxially oriented polyester film as a base material, and a release agent layer, an ink layer and a thermosol back glue layer are sequentially coated on the surface of the base material; when the hot stamping ribbon can be used for manufacturing a large infusion bag, the benzene solvent is not used in the raw material preparation and coating process, so that the final product does not contain the benzene solvent residue, the pollution of the benzene solvent in the ribbon to the environment of a large infusion canning workshop is avoided, and the risk of pollution of the residual benzene solvent in the hot stamping to the liquid medicine in the bag body through diffusion is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a structure of a hot stamping ribbon according to an embodiment of the present invention.
FIG. 2 is a table of performance of the stamping ribbons in various embodiments of the present invention.
FIG. 3 is a schematic view of a structure of a coater according to an embodiment of the present invention
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A large infusion bag hot stamping ribbon without benzene solvent residues comprises a substrate 1, a parting agent layer 2, an ink layer 3 and a thermosol gum layer 4 which are made of biaxially oriented polyester films, wherein the parting agent layer 2, the ink layer 3 and the thermosol gum layer 4 are sequentially coated on the surface of the substrate 1;
the release agent layer is composed of a main agent and a diluent, wherein the main agent is selected from wax emulsion, the wax emulsion is made from carnauba wax, and a mixed solution of purified water and ethanol is used as the diluent, and the wax emulsion is prepared by dilution and mixing, wherein the mass ratio of the purified water to the ethanol is 1: 1, and the solid content in the release layer is 2.8%; the ink layer is composed of a pigment, high temperature resistant resin and an organic solvent, wherein the pigment in the ink layer accounts for 12.5%, the pigment is an organic pigment, the high temperature resistant resin accounts for 17.5%, the high temperature resistant resin is formed by mixing thermoplastic acrylic resin and nitrocellulose at a mass ratio of 7: 3, the organic solvent accounts for 70%, the organic solvent is a mixed solvent formed by mixing ethyl acetate and butyl acetate at a mass ratio of 1: 1, the ink layer is an oily system, and the particle size of the pigment in the ink is lower than 25 mu m; the hot melt adhesive back glue layer consists of thermosensitive resin, organic solvent and silicon dioxide powder.
In the specific embodiment of the invention, the high temperature resistant resin is a mixed resin of thermoplastic acrylic resin and nitrocellulose, the solid content in the hot melt adhesive-backed layer is 20%, the organic solvent is a mixed solvent of ethyl acetate and butyl acetate, the thermosensitive resin is polyethylene vinyl acetate copolymer resin, the content of vinyl acetate monomer in the polyethylene vinyl acetate copolymer resin is 35%, and the thermoplastic acrylic resin with the glass transition temperature of more than 80 ℃ is polymethyl methacrylate homopolymer.
Example 2
A large infusion bag hot stamping ribbon without benzene solvent residues comprises a substrate 1, a parting agent layer 2, an ink layer 3 and a thermosol gum layer 4 which are made of biaxially oriented polyester films, wherein the parting agent layer 2, the ink layer 3 and the thermosol gum layer 4 are sequentially coated on the surface of the substrate 1;
the release agent layer is composed of a main agent and a diluent, wherein the main agent is organic silicon resin emulsion, and the diluent is prepared by diluting and mixing a mixed solution of purified water and ethanol, wherein the mass ratio of the purified water to the ethanol in the diluent is 1: 1, and the solid content in the release layer is 0.5%;
the ink layer is composed of a pigment, high-temperature-resistant resin and an organic solvent, wherein the pigment accounts for 10% of the ink layer, the pigment is organic pigment, the high-temperature-resistant resin accounts for 10%, the high-temperature-resistant resin is a mixture of cellulose acetate butyrate and thermoplastic acrylic resin with a glass transition temperature of more than 80 ℃, the organic solvent accounts for 80%, the organic solvent is a mixed solvent of ethyl acetate and butyl acetate, the ink layer is a water-based system, and the particle size of the pigment in the ink is lower than 25 mu m;
the hot melt adhesive back glue layer is composed of thermosensitive resin, an organic solvent and silicon dioxide powder, the solid content in the hot melt adhesive back glue layer is 10, and the organic solvent is a mixed solvent of ethyl acetate and butyl acetate.
In a specific embodiment of the invention, the heat-sensitive resin is a petroleum resin, the softening point of which is higher than 120 ℃; the vinyl acetate monomer in the polyethylene vinyl acetate copolymer resin is 40 percent; the thermoplastic acrylic resin with the glass transition temperature of more than 80 ℃ adopts a copolymer taking methyl methacrylate as a main monomer.
Example 3
A large infusion bag hot stamping ribbon without benzene solvent residues comprises a substrate 1, a parting agent layer 2, an ink layer 3 and a thermosol gum layer 4 which are made of biaxially oriented polyester films, wherein the parting agent layer 2, the ink layer 3 and the thermosol gum layer 4 are sequentially coated on the surface of the substrate 1;
the release agent layer is composed of a main agent and a diluent, wherein the main agent is a mixture of wax emulsion and organic silicon resin emulsion, the wax emulsion is prepared by diluting and mixing ester wax emulsion and a mixed solution of purified water and ethanol serving as the diluent, the mass ratio of the purified water to the ethanol in the diluent is 1: 1, and the solid content in the release layer is 1.5%;
the ink layer is composed of pigment, high temperature resistant resin and organic solvent, wherein the pigment accounts for 15% of the ink layer, the pigment is organic pigment, the high temperature resistant resin accounts for 25%, the high temperature resistant resin is a mixture of cellulose acetate butyrate and thermoplastic acrylic resin with a glass transition temperature of more than 80 ℃, the organic solvent accounts for 60%, the organic solvent is a mixed solvent of ethyl acetate and butyl acetate, the ink layer is an oily system, and the particle size of the pigment in the ink is lower than 25 mu m;
the hot melt adhesive back glue layer is composed of thermosensitive resin, an organic solvent and silicon dioxide powder, the solid content in the hot melt adhesive back glue layer is 30%, and the organic solvent is a mixed solvent of ethyl acetate and butyl acetate.
In a specific embodiment of the invention, the heat-sensitive resin is selected from a mixture of polyethylene vinyl acetate copolymer resin, rosin resin and petroleum resin, the softening point of the rosin resin and the petroleum resin is higher than 120 ℃.
In the specific embodiment of the invention, the content of the vinyl acetate monomer in the polyethylene vinyl acetate copolymer resin is more than 30%.
In a specific example of the present invention, a copolymer containing methyl methacrylate as a main monomer is used as the thermoplastic acrylic resin having a glass transition temperature of 80 ℃ or higher.
Example 4
A method for preparing a large transfusion bag hot stamping color band without benzene solvent residue, in the specific embodiment of the invention,
(1) preparation of raw materials:
a. selecting a biaxially oriented polyester film as a base material;
b. preparing a release agent layer: the diluent is prepared by mixing and stirring the main agent and the diluent uniformly;
c. preparing an ink layer: the paint is prepared by mixing and stirring the pigment, the high-temperature-resistant resin and the organic solvent uniformly;
d. preparing a hot melt adhesive back glue layer: the heat-sensitive resin is prepared by dissolving heat-sensitive resin in an organic solvent and adding silicon dioxide powder to the heat-sensitive resin for high-speed dispersion;
(2) the coating process comprises the following steps: coating the release layer, the ink layer and the thermosol back glue layer on the surface of the release layer, the ink layer and the thermosol back glue layer in sequence by a gravure anilox roller, and the method comprises the following specific steps:
A. coating the release agent layer on a biaxially oriented polyester film by a gravure anilox roller, drying, and controlling the coating dry weightIn the range of 0.025-0.1g/m2To (c) to (d);
B. coating the ink layer on the surface of the release agent layer by a gravure anilox roller, and drying, wherein the coating dry weight is controlled to be 1.0-3.0g/m2To (c) to (d);
C. coating the hot melt adhesive back glue layer on the surface of the ink layer through a gravure anilox roller, and then drying,
the dry weight of the coating is controlled between 0.5 and 1.5g/m2To (c) to (d);
(4) and cutting and rewinding to obtain a finished product.
Referring to fig. 3, in the step (2), a coating machine is used for coating, and the coating machine sequentially comprises an unwinding device, a coating device, a drying device and a winding device along a processing direction; the unwinding device comprises a frame, a rotating shaft and an unwinding roller 5 sleeved and fixed on the outer wall of the rotating shaft, wherein two ends of the rotating shaft are rotatably connected with the frame through bearings; the coating device comprises a press roll 6, a gravure anilox roll 7 and a feeding groove 8 which are connected in a rotating mode in opposite directions, wherein two ends of the press roll 6 and two ends of the gravure anilox roll 7 are connected with the rack in a rotating mode through bearings, the gravure anilox roll 7 is located in the feeding groove 8, and a release layer, an ink layer and a thermosol back glue layer are sequentially placed in the feeding groove 8 according to a coating sequence; the drying device comprises a drying box with a drying channel inside, a first drying area 100, a second drying area 200, a third drying area 300, a fourth drying area 400 and a fifth drying area 500 are sequentially arranged in the drying box along the processing direction, a partition plate 600 is arranged between every two adjacent drying areas, a channel for a hot stamping color band to pass through is arranged on each partition plate 600, an air inlet 101 and an air outlet 102 are arranged on each drying area, the air inlets are connected with fans through connecting pipes, and steam is blown into each drying area through the fans, wherein the temperature in the first drying area 100 is 80 ℃, the temperature in the second drying area 200 is 100 ℃, the temperature in the third drying area 300 is 120 ℃, the temperature in the fourth drying area 400 is 140 ℃, and the temperature in the fifth drying area 500 is 100 ℃; the winding device comprises a rotating shaft and a winding roller 9 fixed on the outer wall of the rotating shaft in a sleeved mode, and the two ends of the rotating shaft are rotatably connected with the rack through bearings.
As can be seen from figure 2, the hot stamping ribbon prepared by the method has excellent hot stamping performance and scratch resistance, the alcohol wiping resistant frequency is far higher than the standard, the total solvent residue is far lower than the standard that the total solvent residue of a medicinal packaging material specified in the medical composite membrane and bag general rule is not more than 5.0mg/m2, and the residual benzene VOC is not detected in the hot stamping ribbon.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A large infusion bag thermoprint typewriter ribbon of no benzene class solvent residue which characterized in that: the release agent layer, the ink layer and the hot melt adhesive back adhesive layer are sequentially coated on the surface of the base material;
the release agent layer consists of a main agent and a diluent, wherein the main agent is selected from one or more of wax emulsion or organic silicon resin emulsion, and is prepared by diluting and mixing pure water and ethanol mixed solution serving as the diluent;
the ink layer is composed of pigment, high-temperature-resistant resin and an organic solvent, and is an oily system, wherein the high-temperature-resistant resin is selected from one or more of acrylic resin, cellulose resin and polyurethane resin;
the hot melt adhesive back glue layer consists of thermosensitive resin, an organic solvent and silicon dioxide powder;
the wax emulsion is carnauba wax or ester wax emulsion, the mass ratio of purified water to ethanol in the diluent is 1: 1, and the solid content in the release layer is 0.5-5.0%.
2. The hot stamping ribbon for the large infusion bag without benzene solvent residues as claimed in claim 1, wherein: the ink layer contains 10-25% of pigment, 10-25% of high temperature resistant resin and 80-60% of organic solvent; the pigment is selected from organic pigment, the high temperature resistant resin is selected from a mixture of nitrocellulose and thermoplastic acrylic resin with a glass transition temperature of more than 80 ℃, or a mixture of cellulose acetate butyrate and thermoplastic acrylic resin with a glass transition temperature of more than 80 ℃; the organic solvent is a mixed solvent of ethyl acetate and butyl acetate; the pigment particle size in the ink is less than 25 μm.
3. The hot stamping ribbon for the large infusion bag without benzene solvent residues as claimed in claim 1, wherein: the solid content in the hot-melt back glue layer is 10-30%, and the organic solvent is a mixed solvent of ethyl acetate and butyl acetate.
4. The hot stamping ribbon for the large infusion bag without benzene solvent residues as claimed in claim 1, wherein: the heat-sensitive resin is selected from one or more of polyethylene vinyl acetate copolymer resin, rosin resin and petroleum resin, and the softening point of the rosin resin and the petroleum resin is higher than 120 ℃.
5. The hot stamping ribbon for the large infusion bag without benzene solvent residues as claimed in claim 4, wherein: the content of vinyl acetate monomer in the polyethylene vinyl acetate copolymer resin is more than 30 percent.
6. The hot stamping ribbon for the large infusion bag without benzene solvent residues as claimed in claim 5, wherein: the thermoplastic acrylic resin with the glass transition temperature of more than 80 ℃ adopts polymethyl methacrylate homopolymer or copolymer taking methyl methacrylate as monomer.
7. A method for preparing the hot stamping ribbon of the large infusion bag without benzene solvent residue, which is characterized by comprising the following steps:
preparation of raw materials:
selecting a biaxially oriented polyester film as a base material;
preparing a release agent layer: the diluent is prepared by mixing and stirring the main agent and the diluent uniformly;
preparing an ink layer: the paint is prepared by mixing and stirring the pigment, the high-temperature-resistant resin and the organic solvent uniformly;
preparing a hot melt adhesive back glue layer: the heat-sensitive resin is prepared by dissolving heat-sensitive resin in an organic solvent and adding silicon dioxide powder to the heat-sensitive resin for high-speed dispersion;
the coating process comprises the following steps: coating the release layer, the ink layer and the hot melt adhesive back glue layer on the surface of the release layer, the ink layer and the hot melt adhesive back glue layer in sequence through a gravure anilox roller, and the method comprises the following specific steps:
coating the release agent layer on a biaxially oriented polyester film by a gravure anilox roller, and drying, wherein the coating dry weight is controlled to be 0.025-0.1g/m2To (c) to (d);
coating the ink layer on the surface of the release agent layer by a gravure anilox roller, and drying, wherein the coating dry weight is controlled to be 1.0-3.0g/m2To (c) to (d);
coating the hot melt adhesive back glue layer on the surface of the ink layer by a gravure anilox roller and then drying, wherein the coating dry weight is controlled to be 0.5-1.5g/m2To (c) to (d);
and cutting and rewinding to obtain a finished product.
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| CN109777289B (en) * | 2019-01-09 | 2021-07-06 | 广东邦固化学科技有限公司 | A high temperature resistant water-based release agent with ultra-low coating dry weight |
| CN111499909A (en) * | 2020-05-29 | 2020-08-07 | 曲阜市玉樵夫科技有限公司 | Low-temperature-resistant high-firmness banner color band |
| CN117565583A (en) * | 2023-11-20 | 2024-02-20 | 浙江驰怀烫印科技股份有限公司 | A high-definition hot stamping ribbon for large infusion bags |
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