CN109023975A - A kind of preparation method of environment-friendly type high-peel-strength polyurethane/compound soccerballleather of foam - Google Patents
A kind of preparation method of environment-friendly type high-peel-strength polyurethane/compound soccerballleather of foam Download PDFInfo
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- CN109023975A CN109023975A CN201811128313.XA CN201811128313A CN109023975A CN 109023975 A CN109023975 A CN 109023975A CN 201811128313 A CN201811128313 A CN 201811128313A CN 109023975 A CN109023975 A CN 109023975A
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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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- 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
- D06N2209/10—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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention discloses a kind of environment-friendly type high-peel-strength polyurethane/foam compound soccerballleather preparation methods, first Synthetic Leather surface layer are made in release paper in aqueous polyurethane surface layer slurry blade coating after drying;Then Synthetic Leather middle layer is made in surface layer in enclosed type aliphatic polyurethane middle layer slurry blade coating after drying;Solvent-free double-component polyurethane adhesive layer resin-cast is coated in the surface of middle layer again, foamed elastic substrate is bonded after being dried to leather hard, continues thereafter with reaction, finally remove synthetic leather and release paper, soccerballleather is made.It when soccerballleather of the present invention produces and processes, can be processed and formed at one time, leather sample is not necessarily to band paper and cures, high production efficiency;Soccerballleather product of the present invention, peel strength height (>=12N/3cm, 150mm/min), decorative pattern is stereotyped, anti-strike ability is good (> 6000 times, GB/T 22892-2008).
Description
Technical field
The present invention relates to a kind of environment-friendly type high-peel-strength polyurethane/foam compound soccerballleather preparation methods, belong to function
Property Synthetic Leather field.
Background technique
Conventional urethane synthetic leather is broadly divided into dry process and wet processing according to processing method, is all with N, N- diformazan
Base formamide (DMF), butanone (MEK), toluene (TOL) etc. are organic solvent, and the polyurethane resin that solid content is 20-40% is processed
It is made.Be increasingly enhanced as national environmental protection policy is increasingly stringent with people's environmental consciousness, Synthetic Leather gradually from high pollution,
The clean manufacturing of low emission, no pollution is moved towards in maximum discharge, and developing environmentally protective soccerballleather is trend of the times.
Soccerballleather compared to traditional TPU as substrate, polyolefins foam substrate is with light, at low cost and elasticity is good
The advantages of, so that the compound soccerballleather of polyurethane/foam is paid high attention to by market, but polyolefins foam surface energy
It is low, while size is easily shunk under high temperature, limitation adhesive layer is bonded post curing temperature with it, to influence adhesive layer resin solidification journey
Degree and intensity, the adhesive property for causing polyurethane compound with it is poor, thus develop it is a kind of it is environmentally protective, peel strength is high gathers
The compound soccerballleather of urethane/foam is then particularly necessary.
Summary of the invention
For above-mentioned deficiency of the prior art, the present invention is intended to provide a kind of environment-friendly type high-peel-strength polyurethane/bubble
The preparation method of the compound soccerballleather of foam.
Environment-friendly type high-peel-strength polyurethane of the present invention/foam compound soccerballleather preparation method, includes the following steps:
Step 1: by aqueous polyurethane surface layer slurry blade coating in release paper, being dried in 100-140 DEG C, polyurethane is made and closes
Finished leather surface layer;
Step 2: by enclosed type aliphatic polyurethane middle layer slurry blade coating in the surface layer that step 1 obtains, in 130-150
DEG C drying, be made Synthetic Leather middle layer;
Step 3: solvent-free double-component polyurethane adhesive layer resin-cast is coated in the table for the middle layer that step 2 obtains
Face is dried to leather hard at 90-150 DEG C, is then bonded foamed elastic substrate, then the reaction was continued at 60-80 DEG C 5-
10min finally removes synthetic leather and release paper, and soccerballleather is made.
In step 1, the component of the aqueous polyurethane surface layer slurry is constituted as follows by mass fraction:
The aqueous polyurethane be Cohan wound company production solid content be 40%, anionic, the aqueous poly- ammonia of aliphatic
Ester dispersionOne of DLN, DL-2611, DLP-R, DLV/1.
The crosslinking agent is the hydrophily fat based on six methylene diisocyanates (HDI) that company's production is created in Cohan
Adoption isocyanatesOne of XP-2487/1, XP-2547, XP-2655, XP-2700.
The levelling agent be silicone levelling agent, specially Silok-354, Silok-9540, Silok-9666,
One of Silok-8000, Silok-8066.
The water-based thickener is the aqueous non-ionic associative type thickener RM-12W of Tao Shi DOW production.
The antiwear assistant is the aqueous wear-resistant feel auxiliary agent DC-51 of Dow Corning Corporation's production.
In step 1, the coating cutter head gap of aqueous polyurethane surface layer slurry is 20-25.
In step 2, the component of the enclosed type aliphatic polyurethane middle layer slurry is constituted as follows by mass fraction:
100 parts of enclosed type aliphatic polyurethane resin
5-10 parts of curing agent
10-20 parts of stock white;
The enclosed type aliphatic polyurethane resin is the FLY-50 of Anhui Amway material Science and Technology Co., Ltd. research and development,
Solid content is 80%, and wherein aliphatic diisocyanate is isoflurane chalcone diisocyanate (IPDI), sealer 3,5- diformazan
Base pyrazoles.
The curing agent is binary amine curing agent, specially isophorone diamine, 3,3 '-dimethyl -4,4 '-diamino
One of dicyclohexyl methyl hydride, 4,4 '-diamino-dicyclohexyl methanes, m-xylene diamine.
In step 2, the coating cutter head gap of enclosed type aliphatic polyurethane middle layer slurry is 20-25.
In step 3, the solvent-free double-component polyurethane adhesive layer resin is polyester-type hydroxy component A and polyether-type isocyanide
The acid esters component B ratio of 100:65 in mass ratio mixes, wherein polyester-type hydroxy component A and Polyether Polyisocyanate component
B is respectively the AL-1035A and AL-3055B of Anhui Amway material Science and Technology Co., Ltd. production.
The foamed elastic substrate is the production of Dongguan City Ming Kuan sports goods Co., Ltd, with ethylene propylene diene rubber, poly-vinegar
Vinyl acetate and calcium carbonate are the foamed material of main constituents, and there is high-intensitive, high rebound, light and Temperature Size to shrink
The features such as, current specification is the TPE of 4.0mm.
In step 3, the coating cutter head gap of solvent-free double-component polyurethane adhesive layer resin is 30-35.
In step 3, foamed elastic substrate and solvent-free layer are laminated to 60-120.
Compared with prior art, the beneficial effects of the present invention are embodied in:
1, the selected polyurethane resin of the present invention is respectively aqueous polyurethane surface layer resin, the Gao Gu with " water " for solvent
Content blocked polyurethane intermediate layer resin and solvent-free double-component polyurethane adhesive layer resin, have the advantages that it is environmentally protective,
Realize the greenization of soccerballleather production.
2, surface layer resin of the invention and intermediate layer resin are aliphatic polyurethane resin, have excellent yellowing resistance
Can, the factor that can cause soccerballleather xanthochromia is eliminated from source, and efficiently solve the analysis of outer addition type anti-yellowing additives
It goes wrong.
3, solvent-free double-component polyurethane adhesive layer resin selected by the present invention can be consolidated in low temperature fast reaction at 60-80 DEG C
Change sizing, efficiently solve the problems, such as that polyolefins foam Temperature Size is shunk, production energy consumption is low, can when soccerballleather produces and processes
It is processed and formed at one time, leather sample is not necessarily to band paper and cures, high production efficiency, and using soccerballleather product made from it, peel strength is high, flower
Line is stereotyped, anti-strike ability is good.
Specific embodiment
Below by specific embodiment, the present invention is further illustrated, but it is to be noted that implementation of the invention
Specific material proportion, process conditions and result described in example etc. is merely to illustrate the present invention, this can not be limited with this
The protection scope of invention, equivalent change or modification made by all Spirit Essences according to the present invention, should all cover in this hair
In bright protection scope.
Embodiment 1:
In the present embodiment the environmentally friendly compound soccerballleather of high-peel-strength polyurethane/foam the preparation method is as follows:
1, aqueous polyurethane surface layer slurry is by 100 partsDL-2611,2 parts of crosslinking agentsXP-
2547,0.1 part of levelling agent Silok-9666,0.2 part of water-based thickener RM-12W, 0.6 part of antiwear assistant DC-51 and 10 parts of whites
Slurry is constituted, and is scratched in release paper, and coating cutter head gap is 20, is placed in 140 DEG C of heating, dryings, and polyurethane synthesis is made
Leather surface layer;
2, enclosed type aliphatic polyurethane middle layer slurry is by 100 parts of FLY-50,5 parts of isophorone diamine and 10 parts of whites
Slurry is constituted, and is scratched in surface layer, and coating cutter head gap is 20, is placed in 140 DEG C of heating, dryings, and Synthetic Leather is made
Middle layer;
3, solvent-free double-component polyurethane adhesive layer Resin A L-1035A and AL-3055B in mass ratio 100/65 is mixed
Casting is coated in interlayer surfaces afterwards, and coating cutter head gap is 30, and leather hard is dried at 90 DEG C, is bonded foamed elastic base
Material, substrate and solvent-free layer are laminated to 60, then the reaction was continued at 60 DEG C 10min, finally shell synthetic leather and release paper
From obtained soccerballleather.
.5 grades of color inhibition class 4 (testing standard) of soccerballleather manufactured in the present embodiment, final peel strength are 15N/3cm
(rate of extension 150mm/min), peel strength is that (rate of extension is 14N/3cm after 70 DEG C, 95%R.H. constant temperature and humidity 7 weeks
150mm/min), and according to impact resistance testing standard GB/T 22892-2008, using its made football anti-fight number >
6000 times.
Embodiment 2:
In the present embodiment the environmentally friendly compound soccerballleather of high-peel-strength polyurethane/foam the preparation method is as follows:
1, aqueous polyurethane surface layer slurry is by 100 partsDLV/1,6 parts of crosslinking agentsXP-2487/
1,0.5 part of levelling agent Silok-354,1 part of water-based thickener RM-12W, 0.2 part of antiwear assistant DC-51 and 20 parts of stock white structures
At for blade coating in release paper, coating cutter head gap is 25, is placed in 120 DEG C of heating, dryings, and Synthetic Leather surface layer is made;
2, enclosed type aliphatic polyurethane middle layer slurry is by 100 parts of FLY-50,10 part of 4,4 '-diaminocyclohexyl first
Alkane and 20 parts of stock whites are constituted, and are scratched in surface layer, and coating cutter head gap is 25, is placed in 130 DEG C of heating, dryings, are made
Synthetic Leather middle layer;
3, solvent-free double-component polyurethane adhesive layer Resin A L-1035A and AL-3055B in mass ratio 100/65 is mixed
Casting is coated in interlayer surfaces afterwards, and coating cutter head gap is 35, and leather hard is dried at 120 DEG C, is bonded foamed elastic
Substrate, substrate and solvent-free layer are laminated to 120, then the reaction was continued at 70 DEG C 7min, finally by synthetic leather and release paper
Soccerballleather is made in removing.
The color inhibition class 4 grade (testing standard) of soccerballleather manufactured in the present embodiment, final peel strength are 18N/3cm
(rate of extension 150mm/min), peel strength is that (rate of extension is 16N/3cm after 70 DEG C, 95%R.H. constant temperature and humidity 7 weeks
150mm/min), and according to impact resistance testing standard GB/T 22892-2008, using its made football anti-fight number >
6000 times.
Embodiment 3:
In the present embodiment the environmentally friendly compound soccerballleather of high-peel-strength polyurethane/foam the preparation method is as follows:
1, aqueous polyurethane surface layer slurry is by 100 partsDL-2611,10 parts of crosslinking agentsXP-
2547,0.3 part of levelling agent Silok-8000,0.6 part of water-based thickener RM-12W, 1 part of antiwear assistant DC-51 and 15 parts of stock whites
It constitutes, scratches in release paper, coating cutter head gap is 20, is placed in 100 DEG C of heating, dryings, and Synthetic Leather face is made
Layer;
2, enclosed type aliphatic polyurethane middle layer slurry is by 100 parts of FLY-50,7 parts of m-xylene diamines and 15 parts of stock whites
It constitutes, is scratched in surface layer, coating cutter head gap is 20, is placed in 150 DEG C of heating, dryings, is made in Synthetic Leather
Interbed;
3, solvent-free double-component polyurethane adhesive layer Resin A L-1035A and AL-3055B in mass ratio 100/65 is mixed
Casting is coated in interlayer surfaces afterwards, and coating cutter head gap is 35, and leather hard is dried at 150 DEG C, is bonded foamed elastic
Substrate, substrate and solvent-free layer are laminated to 90.Then the reaction was continued at 80 DEG C 5min finally shells synthetic leather and release paper
From obtained soccerballleather.
.5 grades of color inhibition class 4 (testing standard) of soccerballleather manufactured in the present embodiment, final peel strength are 17N/3cm
(rate of extension 150mm/min), peel strength is that (rate of extension is 15N/3cm after 70 DEG C, 95%R.H. constant temperature and humidity 7 weeks
150mm/min), and according to impact resistance testing standard GB/T 22892-2008, using its made football anti-fight number >
6000 times.
Claims (10)
1. a kind of environment-friendly type high-peel-strength polyurethane/foam compound soccerballleather preparation method, it is characterised in that including walking as follows
It is rapid:
Step 1: by aqueous polyurethane surface layer slurry blade coating in release paper, being dried in 100-140 DEG C, Synthetic Leather is made
Surface layer;
Step 2: by enclosed type aliphatic polyurethane middle layer slurry blade coating in the surface layer that step 1 obtains, being dried in 130-150 DEG C
It is dry, Synthetic Leather middle layer is made;
Step 3: solvent-free double-component polyurethane adhesive layer resin-cast is coated in the surface for the middle layer that step 2 obtains,
It is dried to leather hard at 90-150 DEG C, is then bonded foamed elastic substrate, then the reaction was continued at 60-80 DEG C 5-10min, most
Synthetic leather and release paper are removed afterwards, soccerballleather is made.
2. preparation method according to claim 1, it is characterised in that:
In step 1, the component of the aqueous polyurethane surface layer slurry is constituted as follows by mass fraction:
3. preparation method according to claim 2, it is characterised in that:
The aqueous polyurethane be solid content be 40%, anionic, water-based aliphaic polyurethane dispersionDLN、
One of DL-2611, DLP-R, DLV/1.
4. preparation method according to claim 2, it is characterised in that:
The crosslinking agent is the hydrophilic aliphatic polyisocyanate based on six methylene diisocyanatesXP-
2487/1, one of XP-2547, XP-2655, XP-2700;
The levelling agent is silicone levelling agent.
5. preparation method according to claim 1,2,3 or 4, it is characterised in that:
In step 1, the coating cutter head gap of aqueous polyurethane surface layer slurry is 20-25.
6. preparation method according to claim 1, it is characterised in that:
In step 2, the component of the enclosed type aliphatic polyurethane middle layer slurry is constituted as follows by mass fraction:
100 parts of enclosed type aliphatic polyurethane resin
5-10 parts of curing agent
10-20 parts of stock white.
7. preparation method according to claim 6, it is characterised in that:
The enclosed type aliphatic polyurethane resin is FLY-50, solid content 80%;The curing agent is binary amine solidification
Agent.
8. according to claim 1, preparation method described in 6 or 7, it is characterised in that:
In step 2, the coating cutter head gap of enclosed type aliphatic polyurethane middle layer slurry is 20-25.
9. preparation method according to claim 1, it is characterised in that:
In step 3, the solvent-free double-component polyurethane adhesive layer resin is polyester-type hydroxy component A and Polyether Polyisocyanate
The component B ratio of 100:65 in mass ratio mixes.
10. according to claim 1 or preparation method described in 9, it is characterised in that:
In step 3, the coating cutter head gap of solvent-free double-component polyurethane adhesive layer resin is 30-35.
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Cited By (7)
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 |
CN110592965A (en) * | 2019-08-26 | 2019-12-20 | 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 |
CN111732711A (en) * | 2020-07-01 | 2020-10-02 | 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 |
CN112431029A (en) * | 2020-11-03 | 2021-03-02 | 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 |
CN112853773A (en) * | 2020-12-30 | 2021-05-28 | 华伦皮塑(苏州)有限公司 | Football leather and preparation method thereof |
WO2023215804A1 (en) * | 2022-05-04 | 2023-11-09 | Deckers Outdoor Corporation | Footwear including bio-based materials |
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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 |
CN112431029A (en) * | 2020-11-03 | 2021-03-02 | 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 |
CN112853773A (en) * | 2020-12-30 | 2021-05-28 | 华伦皮塑(苏州)有限公司 | Football leather and preparation method thereof |
WO2023215804A1 (en) * | 2022-05-04 | 2023-11-09 | Deckers Outdoor Corporation | Footwear including bio-based materials |
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