CN107503168A - A kind of high flame retardant no-solvent polyurethane synthetic leather and preparation method thereof - Google Patents

A kind of high flame retardant no-solvent polyurethane synthetic leather and preparation method thereof Download PDF

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Publication number
CN107503168A
CN107503168A CN201710856366.2A CN201710856366A CN107503168A CN 107503168 A CN107503168 A CN 107503168A CN 201710856366 A CN201710856366 A CN 201710856366A CN 107503168 A CN107503168 A CN 107503168A
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China
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solvent
synthetic leather
parts
flame retardant
intermediate layer
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Inventor
笪丽红
吴文
沈为春
胡兆阳
杨旭
胡俊
苏星
刘志球
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Anhui Anli Material Technology Co Ltd
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Anhui Anli Material Technology Co Ltd
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Priority to CN201710856366.2A priority Critical patent/CN107503168A/en
Publication of CN107503168A publication Critical patent/CN107503168A/en
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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
    • 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
    • D06N3/0006—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 woven 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
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
    • 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
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
    • 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
    • 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
    • D06N3/128—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 silicon polymers
    • 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
    • D06N3/142—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 mixture of polyurethanes with other resins in the same layer
    • D06N3/143—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 mixture of polyurethanes with other resins in the same layer with polyurethanes and other polycondensation or polyaddition products, e.g. aminoplast
    • 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
    • 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
    • D06N2201/00—Chemical constitution of the fibres, threads or yarns
    • D06N2201/04—Vegetal fibres
    • D06N2201/042—Cellulose fibres, e.g. cotton
    • 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
    • D06N2209/06—Properties of the materials having thermal properties
    • D06N2209/067—Flame resistant, fire resistant
    • 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
    • D06N2209/1685—Wear resistance
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    • 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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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Abstract

The present invention relates to a kind of high flame retardant no-solvent polyurethane synthetic leather and preparation method thereof, it is made up of surface layer, intermediate layer and base fabric, solvent-free layer is provided between the intermediate layer and base fabric, it is 100 in mass ratio by component A and component B that the solvent-free layer, which is,:40 50 mix；The component A be made up of following components by mass fraction it is as follows：100~120 parts of 6,945 100 C A of polyhydric alcohol conjugate material CC, 20~40 parts of compound flame retardant, 0.05~0.1 part of catalyst；The component B is the C B of Isocyanate prepolymers body CC 6,945 100.The present invention can make synthetic leather fire resistance meet " BS 5852 on the premise of synthetic leather mechanical property and feel is not influenceed：2006, Clause 11, I/5 " requirement.

Description

A kind of high flame retardant no-solvent polyurethane synthetic leather and preparation method thereof
Technical field
The present invention relates to a kind of Synthetic Leather, and in particular to a kind of high flame retardant no-solvent polyurethane synthetic leather and its Preparation method.
Background technology
Traditional Synthetic Leather, mostly using solvent type polyurethane resin as raw material so that manufacturing Cheng Zhonghui produces substantial amounts of waste liquid waste gas, not only compromises the physical and mental health of front man, also seriously pollutes environment, So as to limit the further development of Synthetic Leather industry.It is solvent-free poly- with being on the rise for recent environmental problems The research of urethane synthetic leather is very active.The no-solvent polyurethane synthetic leather spy such as have environment-friendly, less energy intensive, performance good Point.In addition, relative in recent years emerging waterborne polyurethane synthetic leather, no-solvent polyurethane synthetic leather is in energy consumption, performance etc. Aspect also has certain advantage.
No-solvent polyurethane material is a kind of high-molecular organic material, but not fire retardant treated polyurethane not fire-resistant, Meeting fire can burn and decompose, and produce a large amount of toxic smogs and gas, endanger personal safety as well as the property safety.Especially in furniture automobile industry In, fire resistance is even more important.Therefore, Synthetic Leather of the research and development with anti-flaming function can meet market to poly- ammonia Lipase absobed removes from office product functionality and multifarious requirement.
The content of the invention
The present invention is intended to provide a kind of high flame retardant no-solvent polyurethane synthetic leather and preparation method thereof, what the present invention obtained No-solvent polyurethane synthetic leather health environment-friendly, process is free of any organic solvent, and has extraordinary fire resistance, is A kind of high flame retardant no-solvent polyurethane synthetic leather.
The present invention in order to solve the above-mentioned technical problem, using following scheme：
A kind of high flame retardant no-solvent polyurethane synthetic leather, it is made up of surface layer, intermediate layer and base fabric, the intermediate layer and Solvent-free layer is provided between base fabric, it is 100 in mass ratio by component A and component B that the solvent-free layer, which is,:40-50 is mixed； The component A be made up of following components by mass fraction it is as follows：
100~120 parts of polyhydric alcohol conjugate material CC 6945-100 C-A
20~40 parts of compound flame retardant
0.05~0.1 part of catalyst；
The component B is Isocyanate prepolymers body CC 6945-100 C-B.
Further scheme, it is 1 in mass ratio by aluminium hydroxide and red phosphorus that the compound flame retardant, which is,:0.2-0.4 is formed；Institute It is amines catalyst 93600 to state catalyst.
Further scheme, the surface layer are made up of by weight following components：
Further scheme, the intermediate layer are made up of by weight following components：
Preferably, the polyurethane resin be EU, PAUR, in aliphatic polyurethane at least It is a kind of；The antiwear assistant is super high molecular weight polysiloxanes 3300.
Further scheme, the curing agent be N-75, epoxide, aziridine, polycarbodiimide, epoxy silane, One or more in N- methylol compounds and polyamine.
Further scheme, the base fabric are the fire-retardant base fabric in Shayang County, and its thickness is 0.8 ± 0.05mm, composition is that cotton is woven Cloth, grammes per square metre are 210 ± 15g/m2。
Another goal of the invention of the present invention is to provide a kind of preparation of above-mentioned high flame retardant no-solvent polyurethane synthetic leather Method, it comprises the following steps：
(a) surface layer slurry is applied to release liners surface, is placed in 100~120 DEG C of heating, dryings, form surface layer；
(b) intermediate layer slurry is applied on surface layer, then is placed in 100~120 DEG C of heating, dryings, form intermediate layer；
(c) surface in intermediate layer is coated on after component A in solvent-free layer and component B is mixed, is subsequently placed at 100~120 DEG C dry 1~5min, formed solvent-free layer；
(d) base fabric is pasted on solvent-free layer, then is placed in 100~120 DEG C of 10~15 hours curing times, is then wound simultaneously After curing, synthetic leather products can be obtained by peeling off release liners.
Polyhydric alcohol conjugate material CC 6945-100 C-A and Isocyanate prepolymers body CC 6945-100C-B in the present invention is equal It is mix product prepared by BASF AG, is directly purchased in market.
The beneficial effects of the present invention are：
1st, the present invention is using the cooperative effect of red phosphorus and aluminium hydroxide, the compound flame retardant formed with red phosphorus and aluminium hydroxide The effective fire resistance for improving synthetic leather；And it with the addition of antiwear assistant simultaneously and improve the anti-wear performance of synthetic leather.
2nd, STC fire retardants are with the addition of in intermediate layer of the invention, improves synthetic leather fire resistance, while with the addition of wear-resisting help Agent and the anti-wear performance for improving synthetic leather.3rd, the present invention can make conjunction on the premise of synthetic leather mechanical property and feel is not influenceed Finished leather fire resistance meets " BS 5852：2006, Clause 11, I/5 " requirement.
4th, synthetic leather of the invention is made up of surface layer, intermediate layer, solvent-free layer and base fabric four-layer structure, due to solvent-free Be free of solvent in layer, make made of synthetic leather in process with the spy such as environment-friendly, less energy intensive, performance be good Point.In addition, all adding fire retardant in surface layer and intermediate layer, so as to improve the fire resistance of synthetic leather, also improve simultaneously The anti-wear performance of synthetic leather.
Embodiment
To be best understood from the present invention, with reference to embodiment, the invention will be further described, and following examples are only pair The present invention illustrates rather than it is limited.
The source of each raw material is in following embodiments：
Fire-retardant base fabric is Shayang County Wuhan Fu Tai leather base cloths Co., Ltd product；
Resin LT-95, LT-80A, ST-8030PC, mill base BLPN-560 are limited from Hefei Amway polyurethane new material Products；
Polyhydric alcohol conjugate material CC 6945-100 C-A and Isocyanate prepolymers body CC 6945-100 C-B are that BASF is public Take charge of product；
STC fire retardants are Japanese Ke Laien Products；
Aluminium hydroxide is Tai Xing Fine Chemical Co., Ltd product；
Red phosphorus combustion inhibitor is Donghai County Golden Horse electric light source Products；
Antiwear assistant is Dow Corning Corporation's product using super high molecular weight polysiloxane emulsion 3300；
Curing agent N-75 is the aliphatic polymeric isocyanate using hexamethylene diisocyanate as base-material, is produced for Beyer Co., Ltd Product；
Amines catalyst 93600 is BASF Aktiengesellschaft's product.
Base fabric in following embodiment is the fire-retardant base fabric in Shayang County, and its thickness is 0.8 ± 0.05mm, composition is that cotton is woven Cloth, grammes per square metre are 210 ± 15g/m2。
The matrix resin of the surface layer is LT-80A resins, and the matrix resin in the intermediate layer is ST-8030PC resins.
Embodiment 1：
The present embodiment synthetic leather includes surface layer, intermediate layer and solvent-free layer and base fabric four-layer structure；
By 120 parts of polyhydric alcohol conjugate material CC 6945-100 C-A, (aluminium hydroxide and red phosphorus press matter to 30 parts of compound flame retardants Amount is than being 1:0.2), 0.08 part of amines catalyst 93600 is mixed to form component A；Then by component A and Isocyanate prepolymers body CC 6945-100 C-B are 100 in mass ratio:40 mix solvent-free layer slurry.
By 120 parts of polyurethane resin LT-80A, 30 parts of N,N-dimethylformamide (DMF), 8 parts of aluminium hydroxide fire retardant, 3 Part super high molecular weight polysiloxanes 3300,5 parts of mill base are mixed to form surface layer slurry.
By 120 parts of polyurethane resin ST-8030PC, 30 parts of N,N-dimethylformamide (DMF), 8 parts, 3 parts of STC fire retardants Super high molecular weight polysiloxanes 3300, curing agent are N-753 parts, 5 parts of mill base is mixed to form intermediate layer slurry.
Its preparation method is as follows：
(a) surface layer slurry is applied to release liners surface, is placed in 120 DEG C of heating, dryings, form surface layer；
(b) intermediate layer slurry is applied on surface layer, then is placed in 120 DEG C of heating, dryings, form intermediate layer；
(c) the solvent-free layer slurry formed after mixing is coated on to the surface in intermediate layer, is subsequently placed at 120 DEG C of baking 1min, Form solvent-free layer；
(d) base fabric is pasted on solvent-free layer, then is placed in 120 DEG C of 10 hours curing times, after then winding and cure, stripping Synthetic leather products can be obtained from release liners.
Embodiment 2：
The present embodiment synthetic leather includes surface layer, intermediate layer and solvent-free layer and base fabric four-layer structure；
By 100 parts of polyhydric alcohol conjugate material CC 6945-100 C-A, (aluminium hydroxide and red phosphorus press matter to 20 parts of compound flame retardants Amount is than being 1:0.4), 0.05 part of amines catalyst 93600 is mixed to form component A；Then by component A and Isocyanate prepolymers body CC 6945-100 C-B are 100 in mass ratio:45 mix solvent-free layer slurry.
By 100 parts of polyurethane resin LT-80A, 10 parts of N,N-dimethylformamide (DMF), 5 parts of aluminium hydroxide fire retardant, 4 Part super high molecular weight polysiloxanes 3300,10 parts of mill base are mixed to form surface layer slurry.
By 100 parts of polyurethane resin ST-8030PC, 10 parts of N,N-dimethylformamide (DMF), 5 parts, 1 part of STC fire retardants Super high molecular weight polysiloxanes 3300,1 part of curing agent N- methylol compounds, 10 parts of mill base are mixed to form intermediate layer slurry.
Its preparation method is as follows：
(a) surface layer slurry is applied to release liners surface, is placed in 100 DEG C of heating, dryings, form surface layer；
(b) intermediate layer slurry is applied on surface layer, then is placed in 100 DEG C of heating, dryings, form intermediate layer；
(c) the solvent-free layer slurry formed after mixing is coated on to the surface in intermediate layer, is subsequently placed at 100 DEG C of baking 4min, Form solvent-free layer；
(d) base fabric is pasted on solvent-free layer, then is placed in 100 DEG C of 15 hours curing times, after then winding and cure, stripping Synthetic leather products can be obtained from release liners.
Embodiment 3：
The present embodiment synthetic leather includes surface layer, intermediate layer and solvent-free layer and base fabric four-layer structure；
By 110 parts of polyhydric alcohol conjugate material CC 6945-100 C-A, (aluminium hydroxide and red phosphorus press matter to 40 parts of compound flame retardants Amount is than being 1:0.3), 0.1 part of amines catalyst 93600 is mixed to form component A；Then by component A and Isocyanate prepolymers body CC 6945-100 C-B are 100 in mass ratio:50 mix solvent-free layer slurry.
By 150 parts of polyurethane resin LT-80A, 50 parts of N,N-dimethylformamide (DMF), 10 parts of aluminium hydroxide fire retardant, 4 parts of super high molecular weight polysiloxanes 3300,2 parts of mill base are mixed to form surface layer slurry.
By 150 parts of polyurethane resin ST-8030PC, 50 parts of N,N-dimethylformamide (DMF), 10 parts of STC fire retardants, 4 Part super high molecular weight polysiloxanes 3300,4 parts of curing agent polycarbodiimide, 2 parts of mill base are mixed to form intermediate layer slurry.
Its preparation method is as follows：
(a) surface layer slurry is applied to release liners surface, is placed in 110 DEG C of heating, dryings, form surface layer；
(b) intermediate layer slurry is applied on surface layer, then is placed in 110 DEG C of heating, dryings, form intermediate layer；
(c) the solvent-free layer slurry formed after mixing is coated on to the surface in intermediate layer, is subsequently placed at 110 DEG C of baking 5min, Form solvent-free layer；
(d) base fabric is pasted on solvent-free layer, then is placed in 110 DEG C of 12 hours curing times, after then winding and cure, stripping Synthetic leather products can be obtained from release liners.
Above-described embodiment 1-3 correlated characteristic is as follows, illustrates that synthetic leather prepared by the present invention is environmentally friendly, and anti-flammability It can be improved with anti-wear performance.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention be not limited thereto, appoint How those familiar with the art is in the technical scope of present disclosure, the change or replacement that can be readily occurred in, all It should be included within the scope of the present invention.

Claims (9)

1. a kind of high flame retardant no-solvent polyurethane synthetic leather, it is made up of surface layer, intermediate layer and base fabric, it is characterised in that：Institute State and solvent-free layer is provided between intermediate layer and base fabric, it is 100 in mass ratio by component A and component B that the solvent-free layer, which is,: 40-50 is mixed；The component A be made up of following components by mass fraction it is as follows：
100~120 parts of polyhydric alcohol conjugate material CC 6945-100 C-A
20~40 parts of compound flame retardant
0.05~0.1 part of catalyst；
The component B is Isocyanate prepolymers body CC 6945-100 C-B.
A kind of 2. high flame retardant no-solvent polyurethane synthetic leather according to claim 1, it is characterised in that：The compounding resistance It is 1 in mass ratio by aluminium hydroxide and red phosphorus that combustion agent, which is,:0.2-0.4 is formed；The catalyst is amines catalyst 93600.
A kind of 3. high flame retardant no-solvent polyurethane synthetic leather according to claim 1, it is characterised in that：The surface layer is It is made up of by weight following components：
100~150 parts of polyurethane resin
N,N-dimethylformamide（DMF）10~50 parts
5~10 parts of aluminium hydroxide fire retardant
1~4 part of antiwear assistant
2~10 parts of mill base.
A kind of 4. high flame retardant no-solvent polyurethane synthetic leather according to claim 1, it is characterised in that：The intermediate layer It is to be made up of by weight following components：
100~150 parts of polyurethane resin
N,N-dimethylformamide（DMF）10~50 parts
5~10 parts of STC fire retardants
1~4 part of antiwear assistant
1~4 part of curing agent
2~10 parts of mill base.
A kind of 5. high flame retardant no-solvent polyurethane synthetic leather according to claim 3 or 4, it is characterised in that：It is described poly- Urethane resin is at least one of EU, PAUR, aliphatic polyurethane；The antiwear assistant is super High molecular weight silicone 3300.
A kind of 6. high flame retardant no-solvent polyurethane synthetic leather according to claim 4, it is characterised in that：The curing agent For one kind in N-75, epoxide, aziridine, polycarbodiimide, epoxy silane, N- methylol compounds and polyamine It is or several.
A kind of 7. high flame retardant no-solvent polyurethane synthetic leather according to claim 1, it is characterised in that：The base fabric is The fire-retardant base fabric in Shayang County, its thickness is 0.8 ± 0.05mm, composition is cotton woven fabric, grammes per square metre is 210 ± 15g/m2。
A kind of 8. preparation method of high flame retardant no-solvent polyurethane synthetic leather as claimed in claim 1, it is characterised in that：Bag Include following steps：
（a）Surface layer slurry is applied to release liners surface, is placed in 100~120 DEG C of heating, dryings, forms surface layer；
（b）Intermediate layer slurry is applied on surface layer, then is placed in 100~120 DEG C of heating, dryings, forms intermediate layer；
（c）The surface in intermediate layer is coated on after component A in solvent-free layer and component B is mixed, 100~120 DEG C is subsequently placed at and dries 1 ~5min, form solvent-free layer；
（d）Base fabric is pasted on solvent-free layer, then is placed in 100~120 DEG C of 10~15 hours curing times, then winds and cures Afterwards, synthetic leather products can be obtained by peeling off release liners.
9. preparation method according to claim 8, it is characterised in that：
The step（a）Cutter head gap of covering for coating surface layer slurry painting is 20~25；
The step（b）Coating cutter head gap for coating intermediate layer slurry is 20~25；
The step（c）Coating cutter head gap for coating solvent-free layer slurry is 30~35.
CN201710856366.2A 2017-09-20 2017-09-20 A kind of high flame retardant no-solvent polyurethane synthetic leather and preparation method thereof Pending CN107503168A (en)

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CN109137553A (en) * 2018-10-09 2019-01-04 东莞市高示新材料有限公司 One kind is from flame-proof solvent-free artificial leather structure and technique
CN109440484A (en) * 2018-12-13 2019-03-08 安徽安利材料科技股份有限公司 A kind of soft solvent-free flame-retardant type polyurethane synthetic leather and preparation method thereof
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CN108951185A (en) * 2018-08-16 2018-12-07 陕西科技大学 A kind of manufacturing method of high-performing car sliver type superfine fiber chemical leather
CN108951185B (en) * 2018-08-16 2020-09-22 陕西科技大学 Manufacturing method of high-performance automobile splinter type superfine fiber synthetic leather
CN109137553A (en) * 2018-10-09 2019-01-04 东莞市高示新材料有限公司 One kind is from flame-proof solvent-free artificial leather structure and technique
CN109594351A (en) * 2018-11-30 2019-04-09 安徽安利材料科技股份有限公司 One bulb solvent-free ecological skin and preparation method thereof
CN109440484B (en) * 2018-12-13 2021-08-27 安徽安利材料科技股份有限公司 Soft solvent-free flame-retardant polyurethane synthetic leather and preparation method thereof
CN109440484A (en) * 2018-12-13 2019-03-08 安徽安利材料科技股份有限公司 A kind of soft solvent-free flame-retardant type polyurethane synthetic leather and preparation method thereof
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CN110670377A (en) * 2019-10-10 2020-01-10 福建宝利特科技股份有限公司 Solvent-free flame-retardant synthetic leather and preparation method thereof
CN111172774A (en) * 2019-12-31 2020-05-19 华伦皮塑（苏州）有限公司 Healthy green environment-friendly sofa leather and preparation method thereof
CN113789671A (en) * 2021-09-22 2021-12-14 安徽安利材料科技股份有限公司 Halogen-free flame-retardant polyurethane synthetic leather and preparation method and application thereof
CN113789671B (en) * 2021-09-22 2024-02-20 安徽安利材料科技股份有限公司 Halogen-free flame-retardant polyurethane synthetic leather and preparation method and application thereof
CN114481641A (en) * 2022-01-24 2022-05-13 华伦皮塑（苏州）有限公司 Synthetic leather for flame-retardant electronic competition seat and preparation method thereof
CN114481641B (en) * 2022-01-24 2023-11-24 马鞍山瑞高科技有限公司 Synthetic leather for flame-retardant electronic contest seat and preparation method thereof
CN114606779A (en) * 2022-03-20 2022-06-10 宋金火 Formula and process of antibacterial photocatalyst aqueous polyurethane synthetic leather
CN114673014A (en) * 2022-03-29 2022-06-28 苏州瑞高新材料有限公司 Weakening-free PU (polyurethane) instrument panel leather, preparation method thereof and instrument panel
CN114673014B (en) * 2022-03-29 2024-05-03 苏州瑞高新材料股份有限公司 Weakening-free PU instrument board leather and preparation method thereof, and instrument board

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