CN112266698A - Transparent coating for high-scratch-resistance tank and preparation method thereof - Google Patents
Transparent coating for high-scratch-resistance tank and preparation method thereof Download PDFInfo
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- CN112266698A CN112266698A CN202011068872.3A CN202011068872A CN112266698A CN 112266698 A CN112266698 A CN 112266698A CN 202011068872 A CN202011068872 A CN 202011068872A CN 112266698 A CN112266698 A CN 112266698A
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- 238000000576 coating method Methods 0.000 title claims abstract description 47
- 239000011248 coating agent Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 41
- 239000005011 phenolic resin Substances 0.000 claims abstract description 41
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000001993 wax Substances 0.000 claims abstract description 25
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims abstract description 20
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- QHSJIZLJUFMIFP-UHFFFAOYSA-N ethene;1,1,2,2-tetrafluoroethene Chemical group C=C.FC(F)=C(F)F QHSJIZLJUFMIFP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims abstract description 17
- 239000004203 carnauba wax Substances 0.000 claims abstract description 16
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims abstract description 12
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003973 paint Substances 0.000 claims description 10
- 230000003678 scratch resistant effect Effects 0.000 claims description 9
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 8
- KUBDPQJOLOUJRM-UHFFFAOYSA-N 2-(chloromethyl)oxirane;4-[2-(4-hydroxyphenyl)propan-2-yl]phenol Chemical compound ClCC1CO1.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 KUBDPQJOLOUJRM-UHFFFAOYSA-N 0.000 claims description 7
- 239000008096 xylene Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 5
- WJQOZHYUIDYNHM-UHFFFAOYSA-N 2-tert-Butylphenol Chemical group CC(C)(C)C1=CC=CC=C1O WJQOZHYUIDYNHM-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 238000009472 formulation Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 230000002087 whitening effect Effects 0.000 description 3
- 229920003180 amino resin Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 239000011527 polyurethane coating Substances 0.000 description 2
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- -1 compound quaternary ammonium salt Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a transparent coating for a high-scratch-resistance tank, which comprises the following components in parts by weight: 20-35 parts of bisphenol A epoxy resin, 1-10 parts of light-color phenolic resin A, 1-10 parts of light-color phenolic resin B, 5-20 parts of dimethylbenzene, 2-10 parts of S100# aromatic hydrocarbon, 8-20 parts of propylene glycol monomethyl ether acetate, 5-25 parts of ethylene glycol monobutyl ether, 2-10 parts of n-butyl alcohol, 0.05-0.5 part of ethylene tetrafluoroethylene modified wax and 0.1-0.5 part of palm wax. The invention also discloses a preparation method of the transparent coating for the high-scratch-resistance tank. The transparent coating for the high-scratch-resistance tank disclosed by the invention has the advantages of high scratch resistance, excellent flexibility, chemical resistance and comprehensive performance, good wear resistance, good construction surface glossiness and transparency and strong adhesion with a base material.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a transparent coating for a high-scratch-resistance tank and a preparation method thereof.
Background
In recent years, with the development of economy and the improvement of living standard of people, the understanding on food safety, product quality and energy problems is deepened gradually, and the quality requirement on product packaging materials is higher and higher. The three-piece can is widely used for containing food and beverage due to the convenient use and good sealing performance, and the shelf life of the filling can be effectively prolonged. However, since such packaging materials are usually made of metal materials, if they come into contact directly with the product to be filled, the product can corrode the metal, causing liquid leakage through the perforations, and the rust caused by corrosion can adversely affect the quality of the product.
In order to solve the problems, the common method in the prior art is to coat a layer of coating on the inner and outer surfaces of the three-piece can and the surface of the can cover, and the formed coating can effectively prevent the corrosion of the metal can body caused by filling products and does not destroy the taste of the contents. And the coatings typically used for three-piece cans are clear coatings in order to highlight the beneficial metallic luster of the three-piece can and improve visual aesthetics. At present, the common transparent coating for three-piece cans generally comprises：One component is main paint, the other component uses amino resin or isocyanate resin as curing agent, when in use, the amino resin or isocyanate resin is uniformly mixed according to a preset proportion, and a proper amount of diluent is added, and the mixture is uniformly stirred, so that roll coating and construction can be carried out.
The Chinese patent with application number 03150467.1 discloses a water-based two-component aliphatic polyurethane coating, which is characterized in that the coating is A, B two components, and the weight mixing ratio of A to B is 1000 to 25-27; the component A comprises the following components in percentage by weight: 60-70% of aqueous polyurethane acid-modified resin solution, 12-20% of acrylic emulsion, 15-18% of deionized water and 0.4% of additive; the component B is a polybasic aziridine solution, and the molecular formula of the component B is as follows: c22H33N3O7The additive is a water-based leveling agent, a defoaming agent and a surface additive, and the water-based two-component polyurethane coating has certain gloss and wear resistance during construction, but the coating still has the problems of poor scratch resistance, uneven gloss and low transparency.
Therefore, the problem to be solved by the researches in the industry is how to effectively improve the scratch resistance, flexibility, chemical resistance and comprehensive performance of the transparent coating for the three-piece can.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the transparent coating for the high-scratch-resistance tank and the preparation method thereof, and the preparation method is simple, short in production period, high in production efficiency and capable of meeting the conditions of industrial production; the transparent coating for the high-scratch-resistance tank, which is prepared by the preparation method, has high scratch resistance, excellent flexibility, chemical resistance and comprehensive performance, good wear resistance, construction surface glossiness and transparency and strong adhesive force with a base material.
In order to achieve the purpose, the invention adopts the technical scheme that: the transparent coating for the high-scratch-resistance tank is characterized by comprising the following components in parts by weight: 20-35 parts of bisphenol A epoxy resin, 1-10 parts of light-color phenolic resin A, 1-10 parts of light-color phenolic resin B, 5-20 parts of dimethylbenzene, 2-10 parts of S100# aromatic hydrocarbon, 8-20 parts of propylene glycol monomethyl ether acetate, 5-25 parts of ethylene glycol monobutyl ether, 2-10 parts of n-butyl alcohol, 0.05-0.5 part of ethylene tetrafluoroethylene modified wax and 0.1-0.5 part of palm wax.
Preferably, the bisphenol A epoxy resin is at least one of bisphenol A epoxy resins of Epon1007 and Epon1009 types produced by Shell company.
Preferably, the light-colored phenolic resin A is bisphenol A type phenolic resin.
Preferably, the light-colored phenolic resin B is tert-butyl phenol type phenolic resin.
Preferably, the ethylene tetrafluoroethylene modified wax is luobu 1780 wax slurry.
Preferably, the palm wax is luobu 4838 wax slurry.
Preferably, the transparent coating for the high-scratch-resistance can is characterized by comprising the following components in parts by weight: 30 parts of bisphenol A epoxy resin, 5 parts of light-color phenolic resin A, 5 parts of light-color phenolic resin B, 13 parts of xylene, 6 parts of S100# aromatic hydrocarbon, 12 parts of propylene glycol methyl ether acetate, 15 parts of ethylene glycol monobutyl ether, 6 parts of n-butyl alcohol, 0.2 part of ethylene tetrafluoroethylene modified wax and 0.35 part of palm wax.
The invention also aims to provide a preparation method of the transparent coating for the high-scratch-resistance can, which comprises the following steps: mixing the components in parts by weight, performing anchor stirring for 30-50 minutes at a speed of 60-80 r/min, dispersing, filtering and packaging, wherein the grade of a filter element is less than or equal to 5 mu m, and obtaining the transparent coating for the high-scratch-resistance tank.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention provides a transparent coating for a high-scratch-resistance tank and a preparation method thereof, and the preparation method is simple, short in production period, high in production efficiency and capable of meeting the conditions of industrial production; the transparent coating for the high-scratch-resistance tank, which is prepared by the preparation method, has high scratch resistance, excellent flexibility, chemical resistance and comprehensive performance, good wear resistance, construction surface glossiness and transparency and strong adhesive force with a base material.
Detailed Description
The following detailed description of preferred embodiments of the invention will be made.
The invention relates to a transparent coating for a high-scratch-resistance tank, which comprises the following components in parts by weight: 20-35 parts of bisphenol A epoxy resin, 1-10 parts of light-color phenolic resin A, 1-10 parts of light-color phenolic resin B, 5-20 parts of dimethylbenzene, 2-10 parts of S100# aromatic hydrocarbon, 8-20 parts of propylene glycol monomethyl ether acetate, 5-25 parts of ethylene glycol monobutyl ether, 2-10 parts of n-butyl alcohol, 0.05-0.5 part of ethylene tetrafluoroethylene modified wax and 0.1-0.5 part of palm wax.
Preferably, the bisphenol A epoxy resin is at least one of bisphenol A epoxy resins of Epon1007 and Epon1009 types produced by Shell company.
Preferably, the light-colored phenolic resin A is bisphenol A type phenolic resin.
Preferably, the light-colored phenolic resin B is tert-butyl phenol type phenolic resin.
Preferably, the ethylene tetrafluoroethylene modified wax is luobu 1780 wax slurry.
Preferably, the palm wax is luobu 4838 wax slurry.
Preferably, the transparent coating for the high-scratch-resistance can is characterized by comprising the following components in parts by weight: 30 parts of bisphenol A epoxy resin, 5 parts of light-color phenolic resin A, 5 parts of light-color phenolic resin B, 13 parts of xylene, 6 parts of S100# aromatic hydrocarbon, 12 parts of propylene glycol methyl ether acetate, 15 parts of ethylene glycol monobutyl ether, 6 parts of n-butyl alcohol, 0.2 part of ethylene tetrafluoroethylene modified wax and 0.35 part of palm wax.
The invention also aims to provide a preparation method of the transparent coating for the high-scratch-resistance can, which comprises the following steps: mixing the components in parts by weight, performing anchor stirring for 30-50 minutes at a speed of 60-80 r/min, dispersing, filtering and packaging, wherein the grade of a filter element is less than or equal to 5 mu m, and obtaining the transparent coating for the high-scratch-resistance tank.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention provides a transparent coating for a high-scratch-resistance tank and a preparation method thereof, and the preparation method is simple, short in production period, high in production efficiency and capable of meeting the conditions of industrial production; the transparent coating for the high-scratch-resistance tank, which is prepared by the preparation method, has high scratch resistance, excellent flexibility, chemical resistance and comprehensive performance, good wear resistance, construction surface glossiness and transparency and strong adhesive force with a base material.
The invention will be further described with reference to specific examples, but the scope of protection of the invention is not limited thereto:
example 1
Embodiment 1 provides a high scratch-resistant clear coating for a can, which is characterized by comprising the following components in parts by weight: 20 parts of bisphenol A epoxy resin, 1 part of light-color phenolic resin A, 1 part of light-color phenolic resin B, 5 parts of xylene, 2 parts of S100# aromatic hydrocarbon, 8 parts of propylene glycol methyl ether acetate, 5 parts of ethylene glycol monobutyl ether, 2 parts of n-butyl alcohol, 0.05 part of ethylene tetrafluoroethylene modified wax and 0.1 part of palm wax.
The bisphenol A epoxy resin is at least one of bisphenol A epoxy resins produced by Shell company and having the model number of Epon 1007; the light-colored phenolic resin A is bisphenol A type phenolic resin; the light-color phenolic resin B is tert-butylphenol type phenolic resin; the ethylene tetrafluoroethylene modified wax is Luobo 1780 wax slurry; the palm wax is luobu 4838 wax slurry.
The transparent coating for the high-scratch-resistance tank also comprises 1 part of amino-terminated hyperbranched compound quaternary ammonium salt.
The preparation method of the transparent coating for the high-scratch-resistance tank is characterized by comprising the following steps of: mixing the components in parts by weight, performing anchor stirring for 30-50 minutes at a speed of 60-80 r/min, dispersing, filtering and packaging, wherein the grade of a filter element is less than or equal to 5 mu m, and obtaining the transparent coating for the high-scratch-resistance tank.
Example 2
Example 2 provides a high scratch resistant clear coating for cans, which has substantially the same formulation and preparation method as example 1, except that it comprises the following components in parts by weight: 25 parts of bisphenol A epoxy resin, 3 parts of light-color phenolic resin A, 4 parts of light-color phenolic resin B, 10 parts of xylene, 4 parts of S100# aromatic hydrocarbon, 12 parts of propylene glycol methyl ether acetate, 11 parts of ethylene glycol monobutyl ether, 5 parts of n-butyl alcohol, 0.2 part of ethylene tetrafluoroethylene modified wax and 0.15 part of palm wax.
Example 3
Example 3 provides a high scratch resistant clear coating for cans, the formulation and preparation method of which is substantially the same as example 1, except that the clear coating comprises the following components in parts by weight: 30 parts of bisphenol A epoxy resin, 5 parts of light-color phenolic resin A, 5 parts of light-color phenolic resin B, 13 parts of xylene, 6 parts of S100# aromatic hydrocarbon, 12 parts of propylene glycol methyl ether acetate, 15 parts of ethylene glycol monobutyl ether, 6 parts of n-butyl alcohol, 0.2 part of ethylene tetrafluoroethylene modified wax and 0.35 part of palm wax.
Example 4
Example 4 provides a high scratch resistant clear coating for cans, which has substantially the same formulation and preparation method as example 1, except that it comprises the following components in parts by weight: 20-35 parts of bisphenol A epoxy resin, 1-10 parts of light-color phenolic resin A, 1-10 parts of light-color phenolic resin B, 5-20 parts of dimethylbenzene, 2-10 parts of S100# aromatic hydrocarbon, 8-20 parts of propylene glycol monomethyl ether acetate, 5-25 parts of ethylene glycol monobutyl ether, 2-10 parts of n-butyl alcohol, 0.05-0.5 part of ethylene tetrafluoroethylene modified wax and 0.1-0.5 part of palm wax.
Example 5
Example 5 provides a high scratch resistant clear coating for cans, the formulation and preparation method of which is substantially the same as example 1, except that the clear coating comprises the following components in parts by weight: 35 parts of bisphenol A epoxy resin, 10 parts of light-color phenolic resin A, 10 parts of light-color phenolic resin B, 20 parts of xylene, 10 parts of S100# aromatic hydrocarbon, 20 parts of propylene glycol methyl ether acetate, 25 parts of ethylene glycol monobutyl ether, 10 parts of n-butyl alcohol, 0.5 part of ethylene tetrafluoroethylene modified wax and 0.5 part of palm wax.
Comparative example 1
Comparative example 1 provides a clear coating for highly scratch resistant cans of substantially the same formulation and preparation as in example 1 except that no quaternary ammonium salt of an amino-terminated hyperbranched compound was added.
Comparative example 2
Comparative example 2 provides a highly scratch resistant clear coating for cans of substantially the same formulation and preparation as in example 1 except that no ethylene tetrafluoroethylene modified wax was added.
Comparative example 3
Comparative example 3 provides a high scratch resistant clear coating for cans of substantially the same formulation and preparation as in example 1 except that no light colored phenolic resin B was added.
In order to further illustrate the beneficial technical effects of the transparent paint for the high scratch resistance can related to the embodiment of the invention, the transparent paint for the high scratch resistance can of the embodiment and the comparative example is subjected to related performance tests, the test results are shown in table 1, and the test methods are as follows:
(1) scratch resistance: the scratch resistance instrument of Shell company is adopted for testing, and each product is singly coated by 6-7g/m2And (4) testing.
(2) Adhesion force: the test was carried out according to GB/T9286-88 (grade 1-5).
(3) Resistance to water cooking; testing according to QB/T2763-2006; heating in water at 121 deg.C for 1h, and classifying according to 1-10, wherein 1 is completely non-whitening and 10 is seriously whitening.
(4) Alkali resistance test performance; heating to 0.1% sodium hydroxide solution (mass concentration) at 121 deg.C for 1h, and classifying according to 1-5, wherein 1 is completely free from whitening and 5 is seriously whitened; the test results are shown in Table 1.
TABLE 1 Properties of samples of examples and comparative examples
As can be seen from the above table, the high scratch resistance clear coating for cans disclosed in the examples of the present invention has good scratch resistance, and in addition, has strong adhesion and water resistance, which are the result of the synergistic effect of the components.
The above-mentioned embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (8)
1. The transparent coating for the high-scratch-resistance tank is characterized by comprising the following components in parts by weight: 20-35 parts of bisphenol A epoxy resin, 1-10 parts of light-color phenolic resin A, 1-10 parts of light-color phenolic resin B, 5-20 parts of dimethylbenzene, 2-10 parts of S100# aromatic hydrocarbon, 8-20 parts of propylene glycol monomethyl ether acetate, 5-25 parts of ethylene glycol monobutyl ether, 2-10 parts of n-butyl alcohol, 0.05-0.5 part of ethylene tetrafluoroethylene modified wax and 0.1-0.5 part of palm wax.
2. The transparent paint for the high scratch resistance can as claimed in claim 1, wherein the bisphenol A epoxy resin is at least one of bisphenol A epoxy resins with model numbers Epon1007 and Epon1009 manufactured by Shell company.
3. The transparent paint for high scratch resistance cans according to claim 1, wherein the light-colored phenolic resin A is bisphenol A type phenolic resin.
4. The transparent paint for the high-scratch-resistance cans as claimed in claim 1, wherein the light-colored phenolic resin B is tert-butylphenol type phenolic resin.
5. The transparent paint for the highly scratch-resistant cans as claimed in claim 1, wherein the ethylene tetrafluoroethylene modified wax is luobu 1780 wax slurry.
6. The high scratch resistance clear coating for the canister according to claim 1, wherein the palm wax is luobu 4838 wax slurry.
7. The transparent paint for the high-scratch-resistance cans as claimed in claim 1, which is characterized by comprising the following components in parts by weight: 30 parts of bisphenol A epoxy resin, 5 parts of light-color phenolic resin A, 5 parts of light-color phenolic resin B, 13 parts of xylene, 6 parts of S100# aromatic hydrocarbon, 12 parts of propylene glycol methyl ether acetate, 15 parts of ethylene glycol monobutyl ether, 6 parts of n-butyl alcohol, 0.2 part of ethylene tetrafluoroethylene modified wax and 0.35 part of palm wax.
8. The transparent paint for the high scratch resistance cans as claimed in any one of claims 1 to 7, wherein the preparation method of the transparent paint for the high scratch resistance cans comprises the following steps: mixing the components in parts by weight, performing anchor stirring for 30-50 minutes at a speed of 60-80 r/min, dispersing, filtering and packaging, wherein the grade of a filter element is less than or equal to 5 mu m, and obtaining the transparent coating for the high-scratch-resistance tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068872.3A CN112266698A (en) | 2020-09-30 | 2020-09-30 | Transparent coating for high-scratch-resistance tank and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068872.3A CN112266698A (en) | 2020-09-30 | 2020-09-30 | Transparent coating for high-scratch-resistance tank and preparation method thereof |
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| CN112266698A true CN112266698A (en) | 2021-01-26 |
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| CN202011068872.3A Pending CN112266698A (en) | 2020-09-30 | 2020-09-30 | Transparent coating for high-scratch-resistance tank and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527866A (en) * | 2000-10-20 | 2004-09-08 | ������������ʽ���� | Coating composition and can interior coating method |
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| CN104628995A (en) * | 2015-01-13 | 2015-05-20 | 廊坊立邦涂料有限公司 | Hyperbranched epoxy resin as well as preparation method and application thereof in coating |
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Application publication date: 20210126 |