CN107313263A - The preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture - Google Patents
The preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture Download PDFInfo
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- CN107313263A CN107313263A CN201710712548.2A CN201710712548A CN107313263A CN 107313263 A CN107313263 A CN 107313263A CN 201710712548 A CN201710712548 A CN 201710712548A CN 107313263 A CN107313263 A CN 107313263A
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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
- D06N3/12—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
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/143—Inert, i.e. inert to chemical degradation, corrosion resistant
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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
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/146—Soilproof, soil repellent
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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
- D06N2209/1685—Wear resistance
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention discloses a kind of preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture, it is dry method surface layer and intermediate layer to be combined type polyurethane resin from solvent-resisting polyether polyester, organic-silicon-modified polycarbonate resin is adhesive linkage, wherein agent is agent at dual-component polyurethane table at post processing table, is made up of oligomerization polyurethane polyol component A and IPDI diacetylmonoxime blocked curing agent B components.Being fitted from full-dry method technique, a organic solvent-resistant is made in the high FAUX SUEDE base fabric of soft handle, the property changed, easy to clean and good hand feeling is soft；The excellent polyurethane sofa furniture leather product of the performances such as wear-resisting, hydrolysis.Organic solvent-resistant polyurethane synthetic leather for sofa furniture process easy to clean prepared by the present invention is simple, high-efficiency environment friendly, while the characteristics of having the high physical property such as the organic solvents such as resistant to acetone, easy to clean and good hand feeling soft, wear-resisting, hydrolysis.
Description
Technical field
The present invention relates to functional form Synthetic Leather preparation method field, specifically a kind of organic solvent-resistant sofa furniture
With the preparation method of Synthetic Leather.
Background technology
As economic continues to develop, people's living standard and the level of consumption are increasingly improved, and people are to used in life
The quality and functional requirement more and more higher of product.By taking sofa furniture product as an example, although current corium product have comfortable feel,
The advantages of elastic good, voluptuousness is strong, durability is preferable, but due to natural leather resource-constrained, much can not meet the consumption of people
Demand；The existing conventional polyurethanes sofa artificial leather product solvent resistance of in the market is poor, can not meet consumer to sofa artificial leather product
The requirement of the physical property such as ethanol-tolerant, resistance to gasoline or resistant to acetone；Simultaneously when synthetic leather surface is by dirts such as coffee, greasy dirt, red wine or ball pens
During dye, due to solvent rub can not be used, cause leather surface dirty not easy to clean, and anti-hydrolytic performance, anti-wear performance are poor so that product
Performance decline.Under this Market Situation, high physical property polyurethane synthetic leather for sofa furniture product provides for consumer
One selection well.Thus, develop a kind of high-performance, organic solvent-resistant, polyurethane synthetic leather for sofa furniture easy to clean
Material, the already trend as market development.
Chinese patent CN105568682A discloses a kind of anti-dirty polyurethane artificial leather automotive interior material easy to clean
And preparation method thereof, but this method production process is complicated, and power consumption is big, low production efficiency and do not show solvent resistance, it is impossible to full
The sufficient market demand；Chinese patent CN202187230U discloses a kind of manufacture method of water proof anti-soil synthetic leather, this method be
One layer of sodium rice organic fluorinated silicone film layer is coated on common PU leather superficial layer, simply embodying has certain water proof anti-soil function, non-table
Bright solvent resistance, it is impossible to meet the market demand；Chinese patent CN103755910A discloses a kind of cold-resistant ethanol-tolerant non yellowing
Leather polyurethane resin and preparation method thereof, this method is to meet the certain alcohol resistance energy of synthetic leather, does not show resistance to vapour
The performance issue of the organic solvents such as oil, resistant to acetone, is not directed to the quality problems such as easy to clean, the high physical property of synthetic leather, it is impossible to meet
The market demand.
It is an object of the invention to provide a kind of system of organic solvent-resistant polyurethane synthetic leather for sofa furniture for the content of the invention
Preparation Method, with solve prior art Synthetic Leather organic solvent resistance it is poor, it is not easy to clean the problem of.
In order to achieve the above object, the technical solution adopted in the present invention is：
The preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture, it is characterised in that：Comprise the following steps：
（1）, it is prepared by surface layer and intermediate layer：Uniformly applied in release recto and scrape surface layer slurry, surface layer is dried under certain condition
After slurry, surface layer slurry layer is produced；Uniform apply scrapes intermediate layer slurry again on surface layer slurry layer, dries under certain condition middle
Intermediate layer pulp layer is produced after layer slurry；
（2）, adhesive linkage prepare：Adhesive linkage slurry is uniformly applied and scraped on the intermediate layer pulp layer of shaping, in certain temperature condition
Lower forced air drying certain time；
（3）, laminating base fabric：Fitted base fabric when adhesive linkage is not dried completely；
（4）, Synthetic Leather prepare：High temperature drying, stripping, bundling process are carried out after base fabric of fitting, polyurethane synthesis is made
Leather；
（5）, surface treatment：Using agent at two-component table, the surface treatment roller of certain mesh number, to being made under the conditions of certain temperature
Synthetic Leather be surface-treated, after Synthetic Leather leather surface drying after, produce organic solvent-resistant sand easy to clean
Build up a family fortune tool Synthetic Leather.
The preparation method of described organic solvent-resistant polyurethane synthetic leather for sofa furniture, it is characterised in that：The step
（1）In, the parts by weight of the component and each component of surface layer slurry and intermediate layer slurry are identical, are：
0.5-1.5 parts of antiwear assistants, 0.5-1.0 parts of wetting agents, 0.5-1.5 parts of antioxidants, 1.0-1.5 parts of defoamers, 70-90
Modulus solvent resistant polyether polyester is combined type polyurethane resin, 50-70 parts of dimethyl carbonate solvents, 6-8 parts of dispersible pigment color pastes in part.
The preparation method of described organic solvent-resistant polyurethane synthetic leather for sofa furniture, it is characterised in that：It is described resistance to molten
Agent polyether polyester is combined type polyurethane resin and uses methyl diphenylene diisocyanate for hard section, polycaprolactone polyol, poly- four
Hydrogen furans glycol be soft segment, 4,4`- diaminodiphenyl-methanes, 1,4-CHDM be chain extender reaction polymerization be made and
Blocked for-OH.
The preparation method of described organic solvent-resistant polyurethane synthetic leather for sofa furniture, it is characterised in that：The step
（1）In, the painting of surface layer slurry layer scrapes thickness for 0.13-0.16mm, and the painting of intermediate layer pulp layer scrapes thickness for 0.15-0.18mm；
The drying of surface layer slurry layer and intermediate layer pulp layer is the forced air drying 1-2min at a temperature of 100-130 DEG C.
The preparation method of described organic solvent-resistant polyurethane synthetic leather for sofa furniture, it is characterised in that：The step
（2）The adhesive linkage slurry of middle selection is organic-silicon-modified polycarbonate polyurethane resin, and adhesive linkage, which is applied, scrapes thickness for 0.12-
0.15mm。
The preparation method of described organic solvent-resistant polyurethane synthetic leather for sofa furniture, it is characterised in that：The step
（3）Stoving process to dry 0.4-0.7min, the step under the conditions of 110-120 DEG C（4）Base fabric is 0.8-0.85mm imitation leathers
Suede, laminating laminating gap is the 75-80% of cloth base thickness.
The preparation method of described organic solvent-resistant polyurethane synthetic leather for sofa furniture, it is characterised in that：The step
（5）Two-component table in agent, A material are oligomerization polyurethane polyol, and B material include isocyanate curing agent, catalyst
TMG612, solvent is one or more of mixing in DMC, ETAC and MEK, and it is each that addition is less than agent at 50 parts, two-component table
The weight of component is constituted：
100-120 parts of oligomerization polyurethane polyol；
5-9 parts of isocyanate curing agent；
0.4-0.6 parts of catalyst TMG612；
30-50 parts of solvent.
The preparation method of described organic solvent-resistant polyurethane synthetic leather for sofa furniture, it is characterised in that：The isocyanide
Acid esters curing agent is the closed curing agent of IPDI diacetylmonoximes, unseals temperature >=130 DEG C.
The preparation method of described organic solvent-resistant polyurethane synthetic leather for sofa furniture, it is characterised in that：The step
（5）In, surface treatment roller is 160 mesh, and leather surface drying temperature is 150-165 DEG C, and drying time is 1-1.5min.
Compared with prior art, beneficial effects of the present invention are embodied in：
1st, a kind of organic solvent-resistant polyurethane synthetic leather for sofa furniture easy to clean for preparing of the present invention not only there is ethanol-tolerant, it is resistance to
Gasoline, resistant to acetone and the characteristic such as easy to clean, while having the high physical property feature such as wear-resisting, hydrolysis；
2nd, a kind of preparation method of organic solvent-resistant of the invention organic solvent-resistant polyurethane synthetic leather for sofa furniture easy to clean and
Technique is advanced efficiently, moderate cost, it is difficult to imitate；
3rd, it is agent at dry method surface layer and intermediate layer, two-component table that the present invention is combined type polyurethane resin from solvent resistant polyether polyester
For leather surface inorganic agent, the organic solvents such as a resistant to acetone, easy to clean and hand is made from the high FAUX SUEDE base fabric of soft handle, the property changed
The full softness in Ganfeng；The excellent polyurethane sofa furniture leather of the performances such as wear-resisting, hydrolysis, can fully meet the high thing of consumer instantly
Property, solvent resistant and consumption demand easy to clean, and simple production process is quick, and production efficiency is high.
Embodiment
The preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture, comprises the following steps：
（1）, it is prepared by surface layer and intermediate layer：Uniformly applied in release recto and scrape surface layer slurry, surface layer is dried under certain condition
After slurry, surface layer slurry layer is produced；Uniform apply scrapes intermediate layer slurry again on surface layer slurry layer, dries under certain condition middle
Intermediate layer pulp layer is produced after layer slurry；
（2）, adhesive linkage prepare：Adhesive linkage slurry is uniformly applied and scraped on the intermediate layer pulp layer of shaping, in certain temperature condition
Lower forced air drying certain time；
（3）, laminating base fabric：Fitted base fabric when adhesive linkage is not dried completely；
（4）, Synthetic Leather prepare：High temperature drying, stripping, bundling process are carried out after base fabric of fitting, polyurethane synthesis is made
Leather；
（5）, surface treatment：Using agent at two-component table, the surface treatment roller of certain mesh number, to being made under the conditions of certain temperature
Synthetic Leather be surface-treated, after Synthetic Leather leather surface drying after, produce organic solvent-resistant sand easy to clean
Build up a family fortune tool Synthetic Leather.
Step（1）In, the parts by weight of the component and each component of surface layer slurry and intermediate layer slurry are identical, are：
0.5-1.5 parts of antiwear assistants, 0.5-1.0 parts of wetting agents, 0.5-1.5 parts of antioxidants, 1.0-1.5 parts of defoamers, 70-90
Modulus solvent resistant polyether polyester is combined type polyurethane resin, 50-70 parts of dimethyl carbonate solvents, 6-8 parts of dispersible pigment color pastes in part.
Solvent resistant polyether polyester is combined type polyurethane resin and uses methyl diphenylene diisocyanate for hard section, polycaprolactone
Polyalcohol, polytetrahydrofuran diol are soft segment, and 4,4`- diaminodiphenyl-methanes, 1,4-CHDM are that chain extender is anti-
It should polymerize and be made and blocked for-OH.
Step（1）In, the painting of surface layer slurry layer scrapes thickness for 0.13-0.16mm, and the painting of intermediate layer pulp layer scrapes thickness and is
0.15-0.18mm；The drying of surface layer slurry layer and intermediate layer pulp layer is the forced air drying 1- at a temperature of 100-130 DEG C
2min。
Step（2）The adhesive linkage slurry of middle selection is organic-silicon-modified polycarbonate polyurethane resin, and adhesive linkage applies and scrapes thickness
Spend for 0.12-0.15mm.
Step（3）Stoving process to dry 0.4-0.7min, the step under the conditions of 110-120 DEG C（4）Base fabric is
0.8-0.85mm FAUX SUEDEs, laminating laminating gap is the 75-80% of cloth base thickness.
Step（5）Two-component table in agent, A material are oligomerization polyurethane polyol, and B material include cured with isocyanates
Agent, catalyst TMG612, solvent are one or more of mixing in DMC, ETAC and MEK, and addition is less than 50 parts, two-component
The weight composition of agent each component is at table：
100-120 parts of oligomerization polyurethane polyol；
5-9 parts of isocyanate curing agent；
0.4-0.6 parts of catalyst TMG612；
30-50 parts of solvent.
Isocyanate curing agent is the closed curing agent of IPDI diacetylmonoximes, unseals temperature >=130 DEG C.
Step（5）In, surface treatment roller is 160 mesh, and leather surface drying temperature is 150-165 DEG C, and drying time is 1-
1.5min。
Number is in parts by mass in following embodiments.
Wherein：Antiwear assistant Silok-3300 purchases the Co., Ltd in the Si Luoke of Guangzhou
Wetting agent 9565 is purchased in Shanghai Bo Jun Industrial Co., Ltd.s
Antioxidant Sunovin-205 is purchased in the chemical Yantai Co., Ltd of rising star
Defoamer WT-400 is purchased in Dutch Tuo Na Chemical Co., Ltd.s
Dimethyl carbonate, ethyl acetate and butanone are purchased in Hefei Chemical Co., Ltd. of Tontru
LT-80PC resins are purchased in Hefei Amway polyurethane new material company
SA-40PC resins are purchased in Hefei Amway polyurethane new material company
Polycaprolactone polyol is purchased in Shanghai Yi Qing trade Co., Ltds
PolyTHF ethoxylated polyhydric alcohol is purchased in Shanxi three dimensional stress work
Methyl diphenylene diisocyanate is purchased in Yantai Wanhua Polyurethane Co., Ltd
4,4`- diaminodiphenyl-methanes, 1,4 cyclohexane dimethanol are purchased in Shanghai Hui Hua Industrial Co., Ltd.s
Oligomerization polyurethane polyol LW-9063 is purchased in Zhejiang Luoxing Industrial Co., Ltd.
IPDI diacetylmonoximes BL-4265 is purchased in Bayer A.G
Catalyst TMG612 is purchased in upper Heyman Hai Gaoshi meter Te Chemical Co., Ltd.s
Embodiment 1
First, by 1 part of Silok-3300 antiwear assistant, 0.5 part of wetting agent, 0.5 part of Sunovin-205 antioxidant and 80 parts
The poly- carbon of LT-80PC solvent resistant polyethers is combined type polyurethane resin and is dissolved in together in 60 parts of dimethyl carbonate solvents, adds 7 parts of face
Material mill base vacuumized after being thoroughly mixed uniformly, then uniform apply is scraped in release recto as surface layer and intermediate layer,
The painting of its surface layer slurry layer scrapes thickness for 0.13mm, and the painting of intermediate layer pulp layer scrapes thickness for 0.15mm；The drum under the conditions of 130 DEG C
Air-dry dry 1min.
Secondly, uniform apply scrapes SA-40PC adhesive linkage resin slurries on surface layer and intermediate layer pulp layer, and painting scrapes thickness and is
0.13mm, dries 0.5min, the high 0.85mm FAUX SUEDE base fabrics of laminating soft handle, the property changed, laminating lamination under 120 DEG C of temperature conditionss
For 0.65mm, Synthetic Leather semi-finished product are made.
Finally, by 100 parts of oligomerization polyurethane polyol LW-9063,5 parts of IPDI diacetylmonoxime curing agent, 0.4 part of TMG612
Catalyst, 20 parts of dimethyl carbonates and 30 parts of ethyl acetates, which are added after being mixed evenly in charging basket, adds machine hopper at stamp table
In, using at 160 mesh tables cover with paint, lacquer, colour wash, etc. roller synthetic leather semi-finished product made from above-mentioned steps are surface-treated, at table covering with paint after
Under conditions of 150 DEG C of temperature, 1min is dried, you can the organic solvents such as a resistant to acetone of hand are made, easy to clean and good hand feeling is soft
It is soft；The excellent polyurethane sofa furniture leather product of the performances such as wear-resisting, hydrolysis.
Testing result：Organic solvent-resistant（Detection method：BSEN ISO105 X05-1997）：Resistant to acetone, resistance to gasoline and resistance to
Grade >=3.5 grade of the organic solvents such as alcohol；It is easy to clean：After finished product leather surface is polluted by ball pen, nylon loop xerotripsis has slight residual
Stay, it is very clean to wipe leather surface after 75% alcohol infiltration nylon loop.It is wear-resisting：Wei Shibo（10# cloth）Do not break for 200000 times；Hydrolysis：Constant temperature
In constant humidity cabinet under the conditions of 70 DEG C × 95%RH, the cracking of leather surface not efflorescence in 7 weeks, correspondence actual use is more than 7 years.
Embodiment 2
First, by 1.5 parts of Silok-3300 antiwear assistants, 0.8 part of wetting agent, 0.8 part of Sunovin-205 antioxidant and 90 parts
The poly- carbon of LT-80PC solvent resistant polyethers is combined type polyurethane resin and is dissolved in together in 70 parts of dimethyl carbonate solvents, adds 7 parts of face
Material mill base vacuumized after being thoroughly mixed uniformly, then uniform apply is scraped in release recto as surface layer and intermediate layer,
The painting of its surface layer slurry layer scrapes thickness for 0.15mm, and the painting of intermediate layer pulp layer scrapes thickness for 0.18mm；The drum under the conditions of 130 DEG C
Air-dry dry 1.5min.
Secondly, uniform apply scrapes SA-40PC adhesive linkage resin slurries on surface layer and intermediate layer pulp layer, and painting scrapes thickness and is
0.14mm, dries 0.7min, the high 0.85mm FAUX SUEDE base fabrics of laminating soft handle, the property changed, laminating lamination under 120 DEG C of temperature conditionss
For 0.65mm, Synthetic Leather semi-finished product are made.
Finally, by 100 parts of oligomerization polyurethane polyol LW-9063,7 parts of IPDI diacetylmonoxime curing agent, 0.5 part
TMG612 catalyst, 20 parts of dimethyl carbonates and 30 parts of ethyl acetates, which are added after being mixed evenly in charging basket, to be added at stamp table
In machine hopper, synthetic leather semi-finished product made from above-mentioned steps are surface-treated using roller is covered with paint, lacquer, colour wash, etc. at 160 mesh tables, covered with paint, lacquer, colour wash, etc. at table
Afterwards under conditions of 160 DEG C of temperature, 1min is dried, you can the organic solvents such as a resistant to acetone of hand are made, easy to clean and feel is rich
Full softness；The excellent polyurethane sofa furniture leather product of the performances such as wear-resisting, hydrolysis.
Testing result：Organic solvent-resistant（Detection method：BSEN ISO105 X05-1997）：Resistant to acetone, resistance to gasoline and resistance to
Grade >=4 grade of the organic solvents such as alcohol, it is easy to clean：After finished product leather surface is polluted by ball pen, nylon loop xerotripsis is that erasable is clean
Only.It is wear-resisting：Wei Shibo（10# cloth）Do not break for 300000 times；Hydrolysis：In climatic chamber under the conditions of 70 DEG C × 95%RH, 7 weeks leather surfaces
Not efflorescence is ftractureed, and correspondence actual use is more than 7 years.
Embodiment 3
First, by 1.5 parts of Silok-3300 antiwear assistants, 0.5 part of wetting agent, 1.0 parts of Sunovin-205 antioxidants and 90 parts
The poly- carbon of LT-80PC solvent resistant polyethers is combined type polyurethane resin and is dissolved in together in 60 parts of dimethyl carbonate solvents, adds 7 parts of face
Material mill base vacuumized after being thoroughly mixed uniformly, then uniform apply is scraped in release recto as surface layer and intermediate layer,
The painting of its surface layer slurry layer scrapes thickness for 0.15mm, and the painting of intermediate layer pulp layer scrapes thickness for 0.18mm；The drum under the conditions of 130 DEG C
Air-dry dry 1.5min.
Secondly, uniform apply scrapes SA-40PC adhesive linkage resin slurries on surface layer and intermediate layer pulp layer, and painting scrapes thickness and is
0.13mm, dries 0.7min, the high 0.85mm FAUX SUEDE base fabrics of laminating soft handle, the property changed, laminating lamination under 120 DEG C of temperature conditionss
For 0.65mm, Synthetic Leather semi-finished product are made.
Finally, by 110 parts of oligomerization polyurethane polyol LW-9063,9 parts of IPDI diacetylmonoxime curing agent, 0.6 part
TMG612 catalyst, 10 parts of dimethyl carbonates and 20 parts of ethyl acetates, which are added after being mixed evenly in charging basket, to be added at stamp table
In machine hopper, synthetic leather semi-finished product made from above-mentioned steps are surface-treated using roller is covered with paint, lacquer, colour wash, etc. at 160 mesh tables, covered with paint, lacquer, colour wash, etc. at table
Afterwards under conditions of 165 DEG C of temperature, 1min is dried, you can the organic solvents such as a resistant to acetone of hand are made, easy to clean and feel is rich
Full softness；The excellent polyurethane sofa furniture leather product of the performances such as wear-resisting, hydrolysis.
Testing result：Organic solvent-resistant（Detection method：BSEN ISO105 X05-1997）：Resistant to acetone, resistance to gasoline and resistance to
Grade >=4 grade of the organic solvents such as alcohol, it is easy to clean：After finished product leather surface is polluted by ball pen, nylon loop xerotripsis is that erasable is clean
Only.It is wear-resisting：Wei Shibo（10# cloth）Do not break for 300000 times；Hydrolysis：In climatic chamber under the conditions of 70 DEG C × 95%RH, 7 weeks leather surfaces
Not efflorescence is ftractureed, and correspondence actual use is more than 7 years.
Claims (9)
1. the preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture, it is characterised in that：Comprise the following steps：
（1）, it is prepared by surface layer and intermediate layer：Uniformly applied in release recto and scrape surface layer slurry, surface layer is dried under certain condition
After slurry, surface layer slurry layer is produced；Uniform apply scrapes intermediate layer slurry again on surface layer slurry layer, dries under certain condition middle
Intermediate layer pulp layer is produced after layer slurry；
（2）, adhesive linkage prepare：Adhesive linkage slurry is uniformly applied and scraped on the intermediate layer pulp layer of shaping, in certain temperature condition
Lower forced air drying certain time；
（3）, laminating base fabric：Fitted base fabric when adhesive linkage is not dried completely；
（4）, Synthetic Leather prepare：High temperature drying, stripping, bundling process are carried out after base fabric of fitting, polyurethane synthesis is made
Leather；
（5）, surface treatment：Using agent at two-component table, the surface treatment roller of certain mesh number, to being made under the conditions of certain temperature
Synthetic Leather be surface-treated, after Synthetic Leather leather surface drying after, produce organic solvent-resistant sand easy to clean
Build up a family fortune tool Synthetic Leather.
2. the preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture according to claim 1, its feature exists
In：The step（1）In, the parts by weight of the component and each component of surface layer slurry and intermediate layer slurry are identical, are：
0.5-1.5 parts of antiwear assistants, 0.5-1.0 parts of wetting agents, 0.5-1.5 parts of antioxidants, 1.0-1.5 parts of defoamers, 70-90
Modulus solvent resistant polyether polyester is combined type polyurethane resin, 50-70 parts of dimethyl carbonate solvents, 6-8 parts of dispersible pigment color pastes in part.
3. the preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture according to claim 2, its feature exists
In：The solvent resistant polyether polyester is combined type polyurethane resin and uses methyl diphenylene diisocyanate for hard section, polycaprolactone
Polyalcohol, polytetrahydrofuran diol are soft segment, and 4,4`- diaminodiphenyl-methanes, 1,4-CHDM are that chain extender is anti-
It should polymerize and be made and blocked for-OH.
4. the preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture according to claim 1, its feature exists
In：The step（1）In, the painting of surface layer slurry layer scrapes thickness for 0.13-0.16mm, and the painting of intermediate layer pulp layer scrapes thickness and is
0.15-0.18mm；The drying of surface layer slurry layer and intermediate layer pulp layer is the forced air drying 1- at a temperature of 100-130 DEG C
2min。
5. the preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture according to claim 1, its feature exists
In：The step（2）The adhesive linkage slurry of middle selection is organic-silicon-modified polycarbonate polyurethane resin, and adhesive linkage applies and scrapes thickness
For 0.12-0.15mm.
6. the preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture according to claim 1, its feature exists
In：The step（3）Stoving process to dry 0.4-0.7min, the step under the conditions of 110-120 DEG C（4）Base fabric is 0.8-
0.85mm FAUX SUEDEs, laminating laminating gap is the 75-80% of cloth base thickness.
7. the preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture according to claim 1, its feature exists
In：The step（5）Two-component table in agent, A material are oligomerization polyurethane polyol, and B material include cured with isocyanates
Agent, catalyst TMG612, solvent are one or more of mixing in DMC, ETAC and MEK, and addition is less than 50 parts, two-component
The weight composition of agent each component is at table：
100-120 parts of oligomerization polyurethane polyol；
5-9 parts of isocyanate curing agent；
0.4-0.6 parts of catalyst TMG612；
30-50 parts of solvent.
8. the preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture according to claim 7, its feature exists
In：The isocyanate curing agent is the closed curing agent of IPDI diacetylmonoximes, unseals temperature >=130 DEG C.
9. the preparation method of organic solvent-resistant polyurethane synthetic leather for sofa furniture according to claim 1, its feature exists
In：The step（5）In, surface treatment roller is 160 mesh, and leather surface drying temperature is 150-165 DEG C, and drying time is 1-
1.5min。
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Application publication date: 20171103 |