CN109023975B - Preparation method of environment-friendly high-stripping polyurethane/foam composite football leather - Google Patents
Preparation method of environment-friendly high-stripping polyurethane/foam composite football leather Download PDFInfo
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- CN109023975B CN109023975B CN201811128313.XA CN201811128313A CN109023975B CN 109023975 B CN109023975 B CN 109023975B CN 201811128313 A CN201811128313 A CN 201811128313A CN 109023975 B CN109023975 B CN 109023975B
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- 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
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- 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
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
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- 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
- D06N3/145—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 two or more layers of polyurethanes
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- 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
- D06N3/146—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 characterised by the macromolecular diols used
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- 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
- D06N3/147—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 characterised by the isocyanates used
- D06N3/148—(cyclo)aliphatic polyisocyanates
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- 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
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
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- 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
- D06N2209/16—Properties of the materials having other properties
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- 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
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1664—Releasability
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- 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
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- 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
- D06N2213/00—Others characteristics
- D06N2213/02—All layers being of the same kind of material, e.g. all layers being of polyolefins, all layers being of polyesters
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Abstract
The invention discloses a preparation method of environment-friendly high-stripping polyurethane/foam composite football leather, which comprises the steps of firstly, scraping and coating aqueous polyurethane surface layer slurry on release paper, and drying to obtain a polyurethane synthetic leather surface layer; then, the closed aliphatic polyurethane middle layer slurry is spread on the surface layer in a scraping way, and the polyurethane synthetic leather middle layer is prepared after drying; and then, casting and coating the solvent-free bi-component polyurethane adhesive layer resin on the surface of the middle layer, attaching the foam elastic base material after drying to a semi-dry state, continuing to react, and finally stripping the synthetic leather from the release paper to obtain the football leather. The football leather can be processed and formed at one time during production and processing, the leather sample does not need to be cured with paper, and the production efficiency is high; the football leather product has high peel strength (more than or equal to 12N/3cm and 150mm/min), good pattern shaping and good anti-impact capability (more than 6000 times, GB/T22892-.
Description
Technical Field
The invention relates to a preparation method of environment-friendly high-stripping polyurethane/foam composite football leather, and belongs to the field of functional polyurethane synthetic leather.
Background
The traditional polyurethane synthetic leather is mainly divided into a dry process and a wet process according to the processing mode, and is prepared by processing polyurethane resin with N, N-Dimethylformamide (DMF), Methyl Ethyl Ketone (MEK), Toluene (TOL) and the like as organic solvents and with the solid content of 20-40%. With the stricter and increasingly stronger environmental protection awareness of people of the national environmental protection policy, the polyurethane synthetic leather gradually moves from high pollution and high emission to clean production with low emission and zero pollution, and the development of green and environmental-friendly football leather tends to be great.
Compared with the traditional football leather with TPU as a base material, the polyolefin foam base material has the advantages of light weight, low cost and good elasticity, so that the polyurethane/foam composite football leather is highly concerned by the market, but the polyolefin foam has low surface energy, and the size is easy to shrink at high temperature, so that the curing temperature of the bonding layer after the bonding layer is bonded with the bonding layer is limited, the resin curing degree and strength of the bonding layer are influenced, the bonding performance of the polyurethane and the composite thereof is poor, and the development of the environment-friendly polyurethane/foam composite football leather with high peel strength is particularly necessary.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a preparation method of environment-friendly high-stripping polyurethane/foam composite football leather.
The invention relates to a preparation method of environment-friendly high-stripping polyurethane/foam composite football leather, which comprises the following steps:
step 1: coating the aqueous polyurethane surface layer slurry on release paper in a scraping way, and drying at the temperature of 100-;
step 2: coating the closed aliphatic polyurethane middle layer slurry on the surface layer obtained in the step (1) by scraping, and drying at the temperature of 130-150 ℃ to obtain a polyurethane synthetic leather middle layer;
and step 3: and (3) casting and coating the solvent-free bi-component polyurethane adhesive layer resin on the surface of the middle layer obtained in the step (2), drying at 90-150 ℃ to be in a semi-dry state, then attaching a foam elastic base material, continuing to react at 60-80 ℃ for 5-10min, and finally stripping the synthetic leather and the release paper to obtain the football leather.
In the step 1, the aqueous polyurethane surface layer slurry comprises the following components in parts by weight:
the aqueous polyurethane is an anionic and aliphatic aqueous polyurethane dispersion with the solid content of 40 percent produced by Corsika corporation
DLN, DL-2611, DLP-R, DLV/1.
The cross-linking agent is hydrophilic aliphatic polyisocyanate based on Hexamethylene Diisocyanate (HDI) produced by Corcission corporation
XP-2487/1, XP-2547, XP-2655 and XP-2700.
The leveling agent is an organic silicon leveling agent, and specifically is one of Silok-354, Silok-9540, Silok-9666, Silok-8000 and Silok-8066.
The aqueous thickener is an aqueous nonionic associative thickener RM-12W produced by Dow.
The wear-resistant auxiliary agent is a water-based wear-resistant hand feeling auxiliary agent DC-51 produced by Dow Corning company.
In the step 1, the gap between the coating cutter heads of the waterborne polyurethane surface layer slurry is 20-25 threads.
In the step 2, the closed aliphatic polyurethane middle layer slurry comprises the following components in parts by weight:
100 parts of blocked aliphatic polyurethane resin
5-10 parts of curing agent
10-20 parts of white slurry;
the closed aliphatic polyurethane resin is FLY-50 developed by Anhui Anli materials science and technology Limited, and has a solid content of 80%, wherein the aliphatic diisocyanate is isophorone diisocyanate (IPDI), and the closing agent is 3, 5-dimethylpyrazole.
The curing agent is a diamine curing agent, and specifically is one of isophorone diamine, 3 ' -dimethyl-4, 4 ' -diaminodicyclohexyl methane, 4 ' -diaminodicyclohexyl methane and m-xylylenediamine.
In the step 2, the gap between the coating cutter heads of the closed aliphatic polyurethane middle layer sizing agent is 20-25 filaments.
In the step 3, the solvent-free bi-component polyurethane adhesive layer resin is prepared by mixing a polyester hydroxyl component A and a polyether isocyanate component B according to the mass ratio of 100: 65, wherein the polyester type hydroxyl component A and the polyether type isocyanate component B are respectively AL-1035A and AL-3055B produced by Anhui Anli materials science and technology Limited.
The foam elastic base material is a foam material which is produced by Guangming Wide sports goods of Dongguan and takes ethylene propylene diene monomer, polyvinyl acetate and calcium carbonate as main components, has the characteristics of high strength, high resilience, light weight, high-temperature size shrinkage and the like, and is TPE with the current specification of 4.0 mm.
In the step 3, the gap between the coating cutter heads of the solvent-free bi-component polyurethane bonding layer resin is 30-35 filaments.
In step 3, the foamed elastic substrate is laminated with a solvent-free layer to form 60-120 filaments.
Compared with the prior art, the invention has the beneficial effects that:
1. the polyurethane resin selected by the invention is respectively the waterborne polyurethane surface layer resin taking water as a solvent, the high-solid content blocked polyurethane intermediate layer resin and the solvent-free bi-component polyurethane adhesive layer resin, has the advantage of environmental protection, and realizes the greening of the football leather production.
2. The surface layer resin and the middle layer resin are both aliphatic polyurethane resin, have excellent yellowing resistance, fundamentally remove factors which can cause football leather to be yellowed, and effectively solve the problem of precipitation of an external additive type yellowing resistance auxiliary agent.
3. The solvent-free bi-component polyurethane adhesive layer resin selected by the invention can be quickly reacted at a low temperature of 60-80 ℃ for curing and shaping, the problem of high-temperature size shrinkage of polyolefin foam is effectively solved, the production energy consumption is low, the football leather can be processed and shaped at one time during production and processing, leather samples do not need to be cured with paper, the production efficiency is high, and the football leather product prepared by using the solvent-free bi-component polyurethane adhesive layer resin has high peeling strength, good pattern shaping and good anti-impact capability.
Detailed Description
The present invention is further illustrated by the following specific examples, but it should be noted that the specific material ratios, process conditions, results, etc. described in the examples of the present invention are only for illustrating the present invention and should not be construed as limiting the scope of the present invention, and all equivalent changes and modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Example 1:
the preparation method of the environment-friendly high-stripping polyurethane/foam composite football leather in the embodiment is as follows:
1. the aqueous polyurethane surface layer sizing agent consists of 100 parts
DL-2611, 2 parts of cross-linking agent
XP-2547, 0.1 part of leveling agent Silok-9666, 0.2 part of aqueous thickening agent RM-12W, 0.6 part of wear-resistant auxiliary agent DC-51 and 10 parts of white slurry, coating the mixture on release paper, coating 20-wire cutter head clearance, and heating and drying at 140 ℃ to obtain a polyurethane synthetic leather surface layer;
2. the closed aliphatic polyurethane middle layer slurry consists of 100 parts of FLY-50, 5 parts of isophorone diamine and 10 parts of white slurry, the slurry is coated on a surface layer in a scraping way, the gap between coating cutter heads is 20 filaments, and the coating cutter heads are placed at 140 ℃ for heating and drying to prepare a polyurethane synthetic leather middle layer;
3. mixing solvent-free bi-component polyurethane adhesive layer resins AL-1035A and AL-3055B according to a mass ratio of 100/65, pouring and coating the mixture on the surface of an intermediate layer, coating 30 threads of cutter head clearance, drying the mixture to be in a semi-dry state at 90 ℃, attaching a foam elastic base material, laminating the base material and the solvent-free layer to be 60 threads, continuing to react for 10min at 60 ℃, and finally peeling synthetic leather and release paper to obtain the football leather.
The football leather prepared in the embodiment has the yellowing resistance grade of 4.5 grade (test standard), the final peel strength of 15N/3cm (tensile rate of 150mm/min), the peel strength of 14N/3cm (tensile rate of 150mm/min) after constant temperature and humidity of 95% R.H. for 7 weeks at 70 ℃, and the striking frequency of the football manufactured by using the football leather is more than 6000 times according to the impact resistance test standard GB/T22892-2008.
Example 2:
the preparation method of the environment-friendly high-stripping polyurethane/foam composite football leather in the embodiment is as follows:
1. the aqueous polyurethane surface layer sizing agent consists of 100 parts
DLV/1, 6 parts crosslinker
XP-2487/1, 0.5 part of leveling agent Silok-354, 1 part of aqueous thickening agent RM-12W, 0.2 part of wear-resistant assistant DC-51 and 20 parts of white slurry, blade-coating the mixture on release paper, coating 25 filaments in a cutter head gap, and heating and drying the coated paper at 120 ℃ to obtain a polyurethane synthetic leather surface layer;
2. the closed aliphatic polyurethane middle layer slurry consists of 100 parts of FLY-50, 10 parts of 4, 4' -diaminodicyclohexylmethane and 20 parts of white slurry, the slurry is coated on the surface layer in a scraping way, the gap between coating cutter heads is 25 filaments, and the coating is heated and dried at 130 ℃ to prepare the polyurethane synthetic leather middle layer;
3. mixing solvent-free bi-component polyurethane adhesive layer resins AL-1035A and AL-3055B according to a mass ratio of 100/65, pouring and coating the mixture on the surface of an intermediate layer, coating 35 filaments at a cutter head gap, drying the mixture to be in a semi-dry state at 120 ℃, attaching a foam elastic base material, laminating the base material and the solvent-free layer to be 120 filaments, continuing to react for 7min at 70 ℃, and finally peeling synthetic leather and release paper to obtain the football leather.
The football leather prepared in the embodiment has the yellowing resistance grade of 4 (test standard), the final peel strength of 18N/3cm (the stretching speed is 150mm/min), the peel strength of 16N/3cm (the stretching speed is 150mm/min) after the football leather is subjected to constant temperature and humidity for 7 weeks at 70 ℃ and 95 percent, and the striking frequency of the football manufactured by using the football leather is more than 6000 times according to the impact resistance test standard GB/T22892-2008.
Example 3:
the preparation method of the environment-friendly high-stripping polyurethane/foam composite football leather in the embodiment is as follows:
1. the aqueous polyurethane surface layer sizing agent consists of 100 parts
DL-2611, 10 portions of cross-linking agent
XP-2547, 0.3 part of leveling agent Silok-8000, 0.6 part of water-based thickener RM-12W, 1 part of wear-resistant assistant DC-51 and 15 parts of white slurry, blade-coating the mixture on release paper, coating 20 filaments at the gap of a cutter head, and heating and drying the coated product at 100 ℃ to obtain a polyurethane synthetic leather surface layer;
2. the closed aliphatic polyurethane middle layer slurry consists of 100 parts of FLY-50, 7 parts of m-xylylenediamine and 15 parts of white slurry, the closed aliphatic polyurethane middle layer slurry is coated on a surface layer in a scraping way, 20 filaments are coated in a gap between cutter heads, and the coating is heated and dried at 150 ℃ to prepare a polyurethane synthetic leather middle layer;
3. mixing solvent-free bi-component polyurethane adhesive layer resins AL-1035A and AL-3055B according to a mass ratio of 100/65, pouring and coating the mixture on the surface of an intermediate layer, coating 35 threads at a cutter head gap, drying the mixture to be in a semi-dry state at 150 ℃, attaching a foam elastic base material, and laminating the base material and the solvent-free layer into 90 threads. And then continuously reacting for 5min at 80 ℃, and finally peeling the synthetic leather from the release paper to obtain the football leather.
The football leather prepared in the embodiment has the yellowing resistance grade of 4.5 grade (test standard), the final peel strength of 17N/3cm (tensile rate of 150mm/min), the peel strength of 15N/3cm (tensile rate of 150mm/min) after constant temperature and humidity of 95% R.H. for 7 weeks at 70 ℃, and the striking frequency of the football manufactured by using the football leather is more than 6000 times according to the impact resistance test standard GB/T22892-2008.
Claims (9)
1. A preparation method of environment-friendly high-stripping polyurethane/foam composite football leather is characterized by comprising the following steps:
step 1: coating the aqueous polyurethane surface layer slurry on release paper in a scraping way, and drying at the temperature of 100-;
step 2: coating the closed aliphatic polyurethane middle layer slurry on the surface layer obtained in the step (1) by scraping, and drying at the temperature of 130-150 ℃ to obtain a polyurethane synthetic leather middle layer;
and step 3: pouring and coating solvent-free bi-component polyurethane adhesive layer resin on the surface of the middle layer obtained in the step 2, drying the resin to be in a semi-dry state at 90-150 ℃, then attaching a foam elastic base material, continuing to react for 5-10min at 60-80 ℃, and finally stripping the synthetic leather from release paper to obtain football leather;
in the step 3, the solvent-free bi-component polyurethane adhesive layer resin is prepared by mixing a polyester hydroxyl component A and a polyether isocyanate component B according to the mass ratio of 100: 65, wherein the polyester type hydroxyl component A and the polyether type isocyanate component B are respectively AL-1035A and AL-3055B produced by Anhui Anli materials science and technology Limited.
2. The method of claim 1, wherein:
in the step 1, the aqueous polyurethane surface layer slurry comprises the following components in parts by weight:
3. the method of claim 2, wherein:
the water-based polyurethane is an anionic and aliphatic water-based polyurethane dispersoid with the solid content of 40 percent
DLN, DL-2611, DLP-R, DLV/1.
4. The method of claim 2, wherein:
the cross-linking agent is based on hexamethyleneHydrophilic aliphatic polyisocyanate of methyl diisocyanate
XP-2487/1, XP-2547, XP-2655 and XP-2700;
the leveling agent is an organic silicon leveling agent.
5. The production method according to claim 1, 2, 3 or 4, characterized in that:
in the step 1, the gap between the coating cutter heads of the waterborne polyurethane surface layer slurry is 20-25 threads.
6. The method of claim 1, wherein:
in the step 2, the closed aliphatic polyurethane middle layer slurry comprises the following components in parts by weight:
100 parts of blocked aliphatic polyurethane resin
5-10 parts of curing agent
10-20 parts of white slurry.
7. The method of claim 6, wherein:
the closed aliphatic polyurethane resin is FLY-50, and the solid content is 80%; the curing agent is a diamine curing agent.
8. The production method according to claim 1, 6 or 7, characterized in that:
in the step 2, the gap between the coating cutter heads of the closed aliphatic polyurethane middle layer sizing agent is 20-25 filaments.
9. The method of claim 1, wherein:
in the step 3, the gap between the coating cutter heads of the solvent-free bi-component polyurethane bonding layer resin is 30-35 filaments.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109811557A (en) * | 2018-12-28 | 2019-05-28 | 江苏国信复合材料科技股份有限公司 | A kind of high-performance environment-friendly woven fabric automobile leather and preparation method thereof |
| CN110592965B (en) * | 2019-08-26 | 2022-06-07 | 安徽安利材料科技股份有限公司 | High-foaming high-stripping solvent-free shoe leather and preparation method thereof |
| CN111732711B (en) * | 2020-07-01 | 2021-11-12 | 合肥安利聚氨酯新材料有限公司 | Preparation method and application of bio-based modified polyurethane resin |
| CN112391846A (en) * | 2020-10-16 | 2021-02-23 | 清远市齐力合成革有限公司 | Deep-pattern solvent-free synthetic leather |
| CN112431029B (en) * | 2020-11-03 | 2022-08-02 | 安徽安利材料科技股份有限公司 | High-environmental-protection solvent-free polyurethane synthetic leather for sofa furniture and preparation method thereof |
| CN112853773B (en) * | 2020-12-30 | 2023-04-07 | 华伦皮塑（苏州）有限公司 | Football leather and preparation method thereof |
| US20230357987A1 (en) * | 2022-05-04 | 2023-11-09 | Deckers Outdoor Corporation | Footwear including bio-based materials |
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| CN104032587A (en) * | 2014-05-14 | 2014-09-10 | 浙江禾欣实业集团股份有限公司 | Method for preparing embossable solvent-free synthetic leather |
| CN104963212A (en) * | 2015-07-24 | 2015-10-07 | 江苏尚科聚合新材料有限公司 | Preparation method of solvent-free polyurethane interior trim leather of car |
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| CN107604685A (en) * | 2017-10-25 | 2018-01-19 | 安徽安利材料科技股份有限公司 | A kind of preparation method of high temperature resistant color inhibition no-solvent polyurethane synthetic leather |
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2018
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| CN104032587A (en) * | 2014-05-14 | 2014-09-10 | 浙江禾欣实业集团股份有限公司 | Method for preparing embossable solvent-free synthetic leather |
| CN104963212A (en) * | 2015-07-24 | 2015-10-07 | 江苏尚科聚合新材料有限公司 | Preparation method of solvent-free polyurethane interior trim leather of car |
| CN105350342A (en) * | 2015-09-29 | 2016-02-24 | 安徽安利材料科技股份有限公司 | Preparation method of aqueous / solvent-free composite environmentally friendly polyurethane synthetic leather |
| CN105603770A (en) * | 2015-12-23 | 2016-05-25 | 杭州名恒合成革有限公司 | Waterborne polyurethane and solvent-free polyurethane foaming process and complete device used in process |
| CN106381721A (en) * | 2016-08-30 | 2017-02-08 | 安徽安利材料科技股份有限公司 | Preparation method of solvent-free sofa furniture microfiber synthetic leather |
| CN107604685A (en) * | 2017-10-25 | 2018-01-19 | 安徽安利材料科技股份有限公司 | A kind of preparation method of high temperature resistant color inhibition no-solvent polyurethane synthetic leather |
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