CN109695161A - A kind of preparation method of ventilative PU leather - Google Patents
A kind of preparation method of ventilative PU leather Download PDFInfo
- Publication number
- CN109695161A CN109695161A CN201910057490.1A CN201910057490A CN109695161A CN 109695161 A CN109695161 A CN 109695161A CN 201910057490 A CN201910057490 A CN 201910057490A CN 109695161 A CN109695161 A CN 109695161A
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- China
- Prior art keywords
- release paper
- leather
- baking oven
- ventilative
- raw material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010985 leather Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 239000002994 raw material Substances 0.000 claims abstract description 32
- 239000004744 fabric Substances 0.000 claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000035699 permeability Effects 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract description 2
- 239000004814 polyurethane Substances 0.000 description 51
- 229920002635 polyurethane Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0009—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using knitted fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/12—Permeability or impermeability properties
- D06N2209/121—Permeability to gases, adsorption
- D06N2209/123—Breathable
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The present invention relates to a kind of preparation methods of ventilative PU leather, comprising the following steps: by 80-120 parts of following parts by weight PU resin, 5-15 parts of toner, MEK7-10 parts, 3-6 parts of auxiliary agent are mixed into PU raw material；PU raw material is applied to after the first release paper and is placed in the heating of the first baking oven；The heating of the second baking oven is placed in after warp knit screen cloth is bonded with PU raw material；First release paper is removed；The heating of third baking oven is placed in after second release paper is bonded with PU raw material；Second release paper, warp knit screen cloth are removed, ventilative PU leather is obtained.The present invention uses warp knit screen cloth as substrate, so that warp knit screen cloth surface covers one layer of pu and is not covered with the part of warp knit screen cloth mesh, the PU leather that the present invention is obtained by dry type preparation method has the advantages of short fabrication cycle, good permeability.
Description
Technical field
The present invention relates to modified PU technical field more particularly to a kind of preparation methods of ventilative PU leather.
Background technique
PU is the abbreviation of polyurethane material, and English name is polyurethane, it is a kind of high molecular material.Polyurethane
It is a kind of emerging high-molecular organic material, is known as " the fifth-largest plastics ", is widely used in state because of the performance of its brilliance
The economic various fields of the people.The purposes of PU is very wide, can replace rubber, plastics, nylon etc., can be used for light industry, chemical industry, electricity
The fields such as son, weaving, medical treatment, building, building materials, automobile, national defence, space flight and aviation.
Existing PU processing and manufacturing technology is generally divided into dry type preparation method and wet type preparation method, wherein by PU solvent drying mode
Referred to as dry type preparation method, stomata present on the surface layer of dry type preparation method PU leather produced are too small so that air can not make to penetrate；And
The gas permeability of the production product of wet type preparation method is preferable compared to dry type preparation method, but wet type preparation method there are fabrication cycles long, equipment cost
More high disadvantage.
So needing a kind of preparation method at this stage to improve the gas permeability of dry type preparation method PU leather produced.
Summary of the invention
(1) technical problems to be solved
In order to solve the above problem of the prior art, the present invention provides a kind of preparation method of ventilative PU leather.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include:
A kind of preparation method of ventilative PU leather, comprising the following steps:
PU raw material is applied to after the first release paper and is placed in the heating of the first baking oven by S1；
S2 is placed in the heating of the second baking oven after being bonded warp knit screen cloth with PU raw material；
S3 removes the first release paper；
S4 is placed in the heating of third baking oven after being bonded the second release paper with PU raw material；
S5 removes the second release paper, warp knit screen cloth, obtains ventilative PU leather.
Preferably, the PU raw material is made of the raw material of following parts by weight, and 80-120 parts of PU resin, 5-15 parts of toner,
MEK7-10 parts, 3-6 parts of auxiliary agent.
Preferably, the smearing thickness in the S1 is 18-25 μm.
Preferably, the PU resin in the PU raw material is PU-1750.
Preferably, the auxiliary agent be 575,559 it is one or two kinds of.
Preferably, the heating temperature of first baking oven is 70-80 DEG C, and the heating time of first baking oven is 1-
3min, the heating temperature of second baking oven are 110-130 DEG C, and the heating time of second baking oven is 3-5min, described the
The heating temperature of three baking ovens is 70-80 DEG C, and the heating time of the third baking oven is 12-24h.
Preferably, first release paper is plain weave release paper.
Preferably, second release paper is flower pattern release paper.
(3) beneficial effect
The beneficial effects of the present invention are: the present invention uses warp knit screen cloth as substrate, so that warp knit screen cloth surface covering one
Layer pu and the part for being not covered with warp knit screen cloth mesh, the PU leather that the present invention is obtained by dry type preparation method have fabrication cycle
The advantages of short, good permeability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of step S1-S2 of the present invention；
Fig. 2 is the structural schematic diagram of step S4 of the present invention.
[description of symbols]
1: the first release paper；
2:PU raw material；
3: screen cloth；
4: the second release papers.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
A kind of preparation method of ventilative PU leather, comprising the following steps:
PU raw material is applied to after the first release paper and is placed in the heating of the first baking oven by S1；
S2 is placed in the heating of the second baking oven after being bonded warp knit screen cloth with PU raw material；
S3 removes the first release paper；
S4 is placed in the heating of third baking oven after being bonded the second release paper with PU raw material；
S5 removes the second release paper, warp knit screen cloth, obtains ventilative PU leather.
The PU raw material is made of the raw material of following parts by weight, and 80-120 parts of PU resin, 5-15 parts of toner, MEK7-10 parts,
3-6 parts of auxiliary agent
Smearing thickness in the S1 is 18-25 μm.
PU resin in the PU raw material is PU-1750.
The auxiliary agent be 575,559 it is one or two kinds of.
The heating temperature of first baking oven is 70-80 DEG C, and heating time of first baking oven is 1min, described second
The heating temperature of baking oven is 110-130 DEG C, and the heating time of second baking oven is 3min, the heating temperature of the third baking oven
It is 70-80 DEG C, the heating time of the third baking oven is for 24 hours.
First release paper is plain weave release paper.
As can be seen from the above description, first release paper is that plain weave release paper forms shading when may make PU leather molding.
Second release paper is flower pattern release paper.
As can be seen from the above description, second release paper is that patterned release paper may make PU
Embodiment 1
S1, take 80 parts of PU-1750 resins, 5 parts of toners, 7 parts of MEK, 3 part 575,3 part 559 be mixed into PU raw material be applied to it is flat
It is placed in the first oven temperature afterwards (with a thickness of 18 μm) in line release paper with 70 DEG C of heating 1min；
S2 is placed in the second baking oven with 110 DEG C of heating 3min after being bonded warp knit screen cloth with PU raw material；
S3 removes plain weave release paper；
S4 is placed in the heating of third baking oven with 70 DEG C of heating 12h after being bonded flower pattern release paper with PU raw material；
S5 removes flower pattern release paper, warp knit screen cloth, obtains ventilative PU leather.
Embodiment 2
S1, take 120 parts of PU-1750 resins, 15 parts of toners, 10 parts of MEK, 6 part 575,6 part 559 be mixed into PU raw material smearing
It is placed in the first oven temperature afterwards (with a thickness of 25 μm) in plain weave release paper with 80 DEG C of heating 3min；
S2 is placed in the second baking oven with 130 DEG C of heating 5min after being bonded warp knit screen cloth with PU raw material；
S3 removes plain weave release paper；
S4 is placed in the heating of third baking oven and is heated for 24 hours with 80 DEG C after being bonded flower pattern release paper with PU raw material；
S5 removes flower pattern release paper, warp knit screen cloth, obtains ventilative PU leather.
Embodiment 3
S1, take 100 parts of PU-1750 resins, 10 parts of toners, 8 parts of MEK, 4 part 575,4 part 559 be mixed into PU raw material and be applied to
It is placed in the first oven temperature afterwards (with a thickness of 21 μm) in plain weave release paper with 75 DEG C of heating 2min；
S2 is placed in the second baking oven with 125 DEG C of heating 4min after being bonded warp knit screen cloth with PU raw material；
S3 removes plain weave release paper；
S4 is placed in the heating of third baking oven with 75 DEG C of heating 18h after being bonded flower pattern release paper with PU raw material；
S5 removes flower pattern release paper, warp knit screen cloth, obtains ventilative PU leather.
Performance test
Table 1
PU leather of breathing freely made from embodiment is tested for the property respectively, wherein breaking strength, elongation elongation pass through LN-
15 test, and tearing strength tests to obtain by LN-24.
And the ventilative PU that the above various embodiments is prepared is removed from office into the analysis that is compared with standard value, it is prepared by the present invention
Ventilative PU leather has the advantages that breaking strength, tear fracture intensity is high, elongation is high, with good stability, improves ventilative PU
The durability of leather.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of preparation method of ventilative PU leather, which comprises the following steps:
PU raw material is applied to after the first release paper and is placed in the heating of the first baking oven by S1；
S2 is placed in the heating of the second baking oven after being bonded warp knit screen cloth with PU raw material；
S3 removes the first release paper；
S4 is placed in the heating of third baking oven after being bonded the second release paper with PU raw material；
S5 removes the second release paper, warp knit screen cloth, obtains ventilative PU leather.
2. the preparation method of ventilative PU leather as described in claim 1, it is characterised in that: the PU raw material is by following parts by weight
Raw material composition, 80-120 parts of PU resin, 5-15 parts of toner, MEK7-10 parts, 3-6 parts of auxiliary agent.
3. the preparation method of ventilative PU leather as described in claim 1, it is characterised in that: the smearing thickness in the S1 is 18-
25μm。
4. the preparation method of ventilative PU leather as claimed in claim 2, it is characterised in that: the PU resin in the PU raw material is
PU-1750。
5. the preparation method of ventilative PU leather as claimed in claim 2, it is characterised in that: one kind that the auxiliary agent is 575,559
Or two kinds.
6. the preparation method of ventilative PU leather as described in claim 1, it is characterised in that；The heating temperature of first baking oven is
70-80 DEG C, the heating time of first baking oven is 1-3min, and the heating temperature of second baking oven is 110-130 DEG C, described
The heating time of second baking oven is 3-5min, and the heating temperature of the third baking oven is 70-80 DEG C, the heating of the third baking oven
Time is 12-24h.
7. the preparation method of ventilative PU leather as described in claim 1, it is characterised in that: first release paper is that plain weave is release
Paper.
8. the preparation method of ventilative PU leather as described in claim 1, it is characterised in that: second release paper is that flower pattern is release
Paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057490.1A CN109695161A (en) | 2019-01-22 | 2019-01-22 | A kind of preparation method of ventilative PU leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057490.1A CN109695161A (en) | 2019-01-22 | 2019-01-22 | A kind of preparation method of ventilative PU leather |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109695161A true CN109695161A (en) | 2019-04-30 |
Family
ID=66234161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910057490.1A Pending CN109695161A (en) | 2019-01-22 | 2019-01-22 | A kind of preparation method of ventilative PU leather |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109695161A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116080241A (en) * | 2023-02-27 | 2023-05-09 | 李德伟 | Antifouling breathable skin-sensing coated mesh production system |
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| US20180202101A1 (en) * | 2016-05-04 | 2018-07-19 | Soon Kie JUNG | Stain-resistant synthetic leather and method for manufacturing same |
| CN108914613A (en) * | 2018-09-12 | 2018-11-30 | 泉州万华世旺超纤有限责任公司 | A kind of production technology of solid screen cloth |
| CN208359649U (en) * | 2018-04-20 | 2019-01-11 | 华世（福建)科技有限公司 | A kind of screen cloth leather |
-
2019
- 2019-01-22 CN CN201910057490.1A patent/CN109695161A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101768872A (en) * | 2010-01-26 | 2010-07-07 | 吴新民 | Micro porous dry-method waterproof and moisture-permeable fabric and production method thereof |
| CN102899915A (en) * | 2011-07-29 | 2013-01-30 | 昆山协孚人造皮有限公司 | Manufacturing method of environment-friendly synthetic leather |
| CN202610621U (en) * | 2012-05-14 | 2012-12-19 | 科一(福建)超纤有限责任公司 | Novel polyurethane (PU) leather with stereoscopic effect |
| CN202610625U (en) * | 2012-05-14 | 2012-12-19 | 科一(福建)超纤有限责任公司 | Novel poly urethane (PU) leather for shoes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116080241A (en) * | 2023-02-27 | 2023-05-09 | 李德伟 | Antifouling breathable skin-sensing coated mesh production system |
| CN116080241B (en) * | 2023-02-27 | 2025-11-25 | 泉州佰霖新材料科技有限公司 | A production system for stain-resistant and breathable leather-like coated mesh fabric |
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Application publication date: 20190430 |