CN105386327A - Manufacturing method of high-physical-property embossing dry-method environment-friendly sofa leather - Google Patents
Manufacturing method of high-physical-property embossing dry-method environment-friendly sofa leather Download PDFInfo
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- CN105386327A CN105386327A CN201510673064.2A CN201510673064A CN105386327A CN 105386327 A CN105386327 A CN 105386327A CN 201510673064 A CN201510673064 A CN 201510673064A CN 105386327 A CN105386327 A CN 105386327A
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- base fabric
- artificial leather
- embossing
- sofa artificial
- environmental protection
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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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C23/00—Making patterns or designs on fabrics
- D06C23/04—Making patterns or designs on fabrics by shrinking, embossing, moiréing, or crêping
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—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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- 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 provides a manufacturing method of high-physical-property embossing dry-method environment-friendly sofa leather. The manufacturing method includes the steps that 1, sofa leather base fabric including base fabric A and base fabric B is prepared; 2, the base fabric A is attached to the base fabric B through adhesive resin, the base fabric A is arranged on the base fabric B, microspheres foaming powder is added to the adhesive resin, and the composite base fabric is obtained after drying and foaming are conducted; 3, a piece of release paper is coated with a surface-layer sizing agent and then dried; 4, the release paper is coated with a middle-layer sizing agent and dried; 5, after the release paper is coated with bonding-layer resin, the composite base fabric is attached to the release paper, and the release paper is stripped after drying is conducted; 6, embossing and posttreatment are conducted, and a finished product is obtained. According to the method, base fabric of different knitting tightness is attached to one another through the adhesive resin, a tissue structure which is similar to natural leather and has a density gradient is obtained, and a product is high in genuine leather feeling; the excellent embossing property is obtained through the high-temperature molten deformation functions of a microspheres foaming layer, an adhesive layer and a dry-method layer; a wet-method coating is not used, hydrolysis resistance is improved, and residues of DMF are lowered.
Description
Technical field
The invention belongs to synthetic leather and manufacture field, relate to a kind of manufacture method of PU synthetic leather, a kind of can the manufacture method of embossing dry method environmental protection sofa artificial leather.
Background technology
Problem of solvent residual (particularly DMF remains) in traditional solvent-borne synthetic leather goods is that conventional synthesis removes from office insoluble problem always.At present, in the leather goods that EU REACH Legislation specifies, DMF residual quantity is below 1000mg/kg, and has trend strict further.Traditional solvent-borne synthetic leather cannot meet this trend, is badly in need of the manufacturing mode finding a kind of effective reduction DMF residual.
Traditional sofa artificial leather coating is generally made up of wet method layer and dry layer, and wherein wet-process coating manufacture process needs to use a large amount of DMF (polyurethane slurry and coagulating bath in), finally causes a large amount of residual, account for whole chemical leather DMF residual more than 90%.Coating is thin, and the few dry coating dissolvent residual of solvent load then lower (generally at below 100mg/kg).Tradition sofa artificial leather wet-process coating contains a large amount of micropore, and specific area is higher, very easily degrades in use procedure.In order to improve anti-hydrolytic performance, need to use expensive polyether-type or poly-carbon type resin.And dry coating is compact texture, can be relatively easy to reach higher anti-hydrolytic performance.Therefore, do not use wet-process coating, only use the dry-method chemical leather of dry coating effectively can reduce the dissolvent residual of product and improve the anti-hydrolytic performance of product.But conventional dry sofa artificial leather coating too thin (not having wet-process coating), does not obtain natural corium lines by embossing technique, of low grade, feel is shrivelled, empty, kishke feel is poor.
Summary of the invention
The object of the invention is to propose a kind of high physical property can the manufacture method of embossing dry method environmental protection sofa artificial leather, product can embossing, physical property high, hydrolysis, DMF remain low, kishke feel strong, soft.
This high physical property can the manufacture method of embossing dry method environmental protection sofa artificial leather comprise the following steps:
A () prepares sofa artificial leather base fabric: A base fabric and B base fabric;
B A base fabric and B base fabric are fitted by adhesive resin by (), A base fabric is above, and B base fabric below, is added with microballoon foam powder in adhesive resin, obtain compound base cloth after drying foaming; Adhesive formula of size is in mass:
PU resin: 100 parts,
Microballoon foam powder: 1 ~ 40 part,
Solvent: 0 ~ 100 part,
C () is coated with surface layer slurry post-drying in release liners;
D () walks on the surface layer slurry of gained at c and is coated with intermediate layer slurry post-drying;
E (), after d walks the intermediate layer slurry of gained is coated with tie layer resins, laminating compound base cloth, peels off release liners after oven dry, and obtaining high physical property can embossing dry method environmental protection sofa artificial leather dry method semi-finished product;
F () embossing, post processing, obtaining high physical property can embossing dry method environmental protection sofa artificial leather finished product.
This high physical property can embossing dry method environmental protection sofa artificial leather, by the sofa artificial leather base cloth of different count is fitted by adhesive resin, the high base fabric of density is above, and low density base fabric below, thus obtains the compound base cloth of the institutional framework being similar to natural leather density gradient.In addition, be added with microballoon foam powder in polyurethane adhesive layer, by high temperature in drying course, in microballoon, gas expansion obtains foam microspheres, thus obtains the foaming layer of thin layer.Three layers of dry coating are coated with on compound base cloth.In embossing processes, by common melting deformation and the cooling and shaping effect of adhesive layer, microballoon foaming layer and dry coating, just the lines on dandy roll being fixed on clearly high physical property can on embossing dry method environmental protection sofa artificial leather.This high physical property can not contain wet-process coating by embossing dry method environmental protection sofa artificial leather, even if use solvent type polyurethane resin, DMF is residual can at below 100mg/kg; Use aqueous polyurethane, then DMF remains is 0.In addition, product anti-hydrolytic performance is better, and conservation rate is peeled off in jungle test for 5 weeks can reach more than 85%; After embossed, surface pattern is clear, nature, and product is soft, kishke feel is strong.
Accompanying drawing explanation
Fig. 1 is that this high physical property can structure chart before embossing dry method environmental protection sofa artificial leather embossing;
Fig. 2 is that this high physical property can structure chart after embossing dry method environmental protection sofa artificial leather embossing.
In figure: foam microspheres, 7 low-density sofa artificial leather base fabric B after 1 dry method polyurethane cover, 2 dry method Polyurethane Interlayer, 3 dry method polyurethane basecoat (tie layer resins), 4 high density sofa artificial leather base fabric A, 5 polyurethane adhesive layer, 6 foaming.
Detailed description of the invention
This high physical property can the manufacture method of embossing dry method environmental protection sofa artificial leather comprise the following steps:
A () prepares sofa artificial leather base fabric: A base fabric and B base fabric;
B A base fabric and B base fabric are fitted (, above, B base fabric below for A base fabric) by adhesive resin by (), be added with microballoon foam powder in adhesive resin, obtain compound base cloth after drying foaming; Adhesive formula of size is in mass:
PU resin: 100 parts,
Microballoon foam powder: 1 ~ 40 part,
Solvent: 0 ~ 100 part.
C () is coated with surface layer slurry post-drying in release liners;
D () walks on the surface layer slurry of gained at c and is coated with intermediate layer slurry post-drying;
E (), after d walks the intermediate layer slurry of gained is coated with tie layer resins, laminating compound base cloth, peels off release liners after oven dry, and obtaining high physical property can embossing dry method environmental protection sofa artificial leather dry method semi-finished product;
F () embossing, post processing, obtaining high physical property can embossing dry method environmental protection sofa artificial leather finished product.
This high physical property can in the manufacture method of embossing dry method environmental protection sofa artificial leather, and the A base fabric count in sofa artificial leather base fabric used in step (a) is slightly high; B base fabric is that count is slightly low.A base fabric count is 100g/m
2~ 1000g/m
2, thickness is 0.1mm ~ 2.0mm; B base fabric count is 50g/m
2~ 800g/m
2, thickness is 0.1mm ~ 2.0mm.
This high physical property can in the manufacture method of embossing dry method environmental protection sofa artificial leather, and sofa artificial leather A base fabric used in step (a) and B base fabric can be single textiles, also can for the compound base cloth be combined into by the method for step (b); The composition of A base fabric and B base fabric can be knitted cloth, woven fabric, nonwoven fabric, superfine fiber chemical leather semi-finished product, natural leather lamella or paper etc.
This high physical property can in the manufacture method of embossing dry method environmental protection sofa artificial leather, and in step (b), A base fabric and B base fabric attaching process can be then to fit with B base fabric front or for fit with the A base fabric back side at B base fabric front coating binder at A base fabric backsize adhesive resin again.Adhesive resin used can be solvent-based adhesive resin or aqueous adhesive resin, preferentially selects aqueous adhesive resin; The solid content of adhesive resin is 35% ~ 60%; Coating weight is 10g/m
2~ 200g/m
2.The initial blowing temperature of microballoon foam powder is 130 DEG C ~ 180 DEG C.In drying course, the highest bake out temperature is 130 DEG C ~ 180 DEG C.
This high physical property can in the manufacture method of embossing dry method environmental protection sofa artificial leather, and in step (c) (d) and step (e), slurry therewith can be solvent-borne type slurry or water paste, preferentially selects water paste.The scraper for coating height of intermediate layer slurry is 0.1mm ~ 1.0mm.
Embodiment 1
A () prepares sofa artificial leather base fabric: A base fabric---0.6mm, 190g/m
2woven fabric and B base fabric---0.7mm, 180g/m
2back side fluffing knitted cloth;
B () selects water-based polyurethane adhesive resin, at A base fabric backside coating 40g/m
2fit in adhesive resin and B base fabric front (, above, B base fabric below for A base fabric), obtain compound base cloth after oven dry;
Polyurethane adhesive size formula is:
Water-based PU resin (Leasys3458, solid content 50%): 100g
Microballoon foam powder (FN100D): 10g
Solvent: 0g
The highest bake out temperature is 140 degrees Celsius.
C () is coated with HX-6051 post-drying in release liners;
D () walks on the surface layer slurry of gained at c and is coated with 0.1mm intermediate layer HX-8028 post-drying;
E (), after d walks the intermediate layer slurry of gained is coated with HX-930G, laminating base fabric, peels off release liners after oven dry, and obtaining high physical property can embossing dry method environmental protection sofa artificial leather dry method semi-finished product;
F () embossing, post processing, obtaining high physical property can embossing dry method environmental protection sofa artificial leather finished product.
Embodiment 2
A () prepares sofa artificial leather base fabric: A base fabric---0.4mm, height tears paper, 150g/m
2with B base fabric---0.5mm, 200g/m
2superfine fiber synthetic leather base cloth;
B () selects solvent-based adhesive resin, at B base fabric front surface coated 60g/m
2fit in adhesive resin and the A base fabric back side (, above, B base fabric below for A base fabric), obtain compound base cloth after oven dry;
Polyurethane adhesive size formula is:
Solvent-borne type PU resin (HX-9530, solid content 35%): 100g
Microballoon foam powder (461DU20): 20g
Solvent DMF: 20g
The highest bake out temperature is 150 degrees Celsius.
C () is coated with HX-6081 post-drying in release liners;
D () walks on the surface layer slurry of gained at c and is coated with 1.8mmHX-9530 post-drying;
E (), after d walks the intermediate layer slurry of gained is coated with HX-9530, laminating base fabric, peels off release liners after oven dry, and obtaining high physical property can embossing dry method environmental protection sofa artificial leather dry method semi-finished product;
F () embossing, post processing, obtaining high physical property can embossing dry method environmental protection sofa artificial leather finished product.
Embodiment 3
A () prepares sofa artificial leather base fabric: A base fabric---0.2mm, 100g/m
2knitted cloth and B base fabric---0.9mm, 250g/m
2back side fluffing plain weaving machine is weaved cotton cloth;
B () selects aqueous adhesive resin, at A base fabric backside coating 80g/m
2fit in adhesive resin and B base fabric front (, above, B base fabric below for A base fabric), obtain compound base cloth after oven dry;
Polyurethane adhesive size formula is:
Water-based PU resin (ImpranilLPRSC1537, solid content 60%): 100g
Microballoon foam powder (551DU40): 40g
Solvent: 0g
The highest bake out temperature is 130 degrees Celsius.
C () is coated with Leasys3458 post-drying in release liners;
D () walks on the surface layer slurry of gained at c and is coated with 1.0mmImpranilLPRSC1537 post-drying;
E (), after d walks the intermediate layer slurry of gained is coated with HX-9530, half dry doubling compound base cloth, peels off release liners after oven dry, and obtaining high physical property can embossing dry method environmental protection sofa artificial leather dry method semi-finished product;
F () embossing, post processing, obtaining high physical property can embossing dry method environmental protection sofa artificial leather finished product.
Embodiment 4
A () prepares sofa artificial leather base fabric: A base fabric---be embodiment 3 compound base cloth used and B base fabric---1.2mm, 500g/m
2back side fluffing knitted cloth;
B () selects aqueous adhesive resin, at B base fabric front surface coated 90g/m
2fit in adhesive resin and the A base fabric back side (, above, B base fabric below for A base fabric), obtain compound base cloth after oven dry;
Polyurethane adhesive size formula is:
Water-based PU resin (Leasys3458, solid content 50%): 100g
Microballoon foam powder (461WU20): 40g
Solvent: 0g
The highest bake out temperature is 150 degrees Celsius.
C () is coated with Leasys3458 post-drying in release liners;
D () walks on the surface layer slurry of gained at c and is coated with 0.6mmImpranilLPRSC1537 post-drying;
E (), after d walks the intermediate layer slurry of gained is coated with ImpranilLPRSC1537, half dry doubling compound base cloth, peels off release liners after oven dry, and obtaining high physical property can embossing dry method environmental protection sofa artificial leather dry method semi-finished product;
F () embossing, post processing, obtaining high physical property can embossing dry method environmental protection sofa artificial leather finished product.
Embodiment 5
A () prepares sofa artificial leather base fabric: A base fabric---0.9mm, 300g/m
2spunlace non-woven cloth and B base fabric---1.4mm, 400g/m
2back side fluffing knitted cloth;
B () selects aqueous adhesive resin, at A base fabric backside coating 10g/m
2adhesive resin and B base fabric are fitted (, above, B base fabric below for A base fabric), obtain compound base cloth after oven dry;
Polyurethane adhesive size formula is:
Polyurethane adhesive size formula is: water-based PU resin (Leasys3458, solid content 50%): 100g
Microballoon foam powder (461DU20): 15g
Solvent: 0g
The highest bake out temperature is 150 degrees Celsius.
C () is coated with HX-6051 post-drying in release liners;
D () walks on the surface layer slurry of gained at c and is coated with 0.3mmHX-9530 post-drying;
E (), after d walks the intermediate layer slurry of gained is coated with HX-9530, wet combining compound base cloth, peels off release liners after oven dry, and obtaining high physical property can embossing dry method environmental protection sofa artificial leather dry method semi-finished product;
F () embossing, post processing, obtaining high physical property can embossing dry method environmental protection sofa artificial leather finished product.
Embodiment 6
A () prepares sofa artificial leather base fabric: A base fabric---0.2mm, 120g/m
2woven fabric and B base fabric---1.5mm, 800g/m
2needle punched non-woven fabrics;
B () selects aqueous adhesive resin, at A base fabric backside coating 10g/m
2fit in adhesive resin and B base fabric front (, above, B base fabric below for A base fabric), obtain compound base cloth after oven dry;
Polyurethane adhesive size formula is:
Water-based PU resin (ImpranilLPRSC1554, solid content 60%): 100g
Microballoon foam powder (551DU40): 40g
Solvent: 0g
The highest bake out temperature is 130 degrees Celsius.
C () is coated with HX-6081 post-drying in release liners;
D () walks on the surface layer slurry of gained at c and is coated with 0.2mmHX-930G post-drying;
E (), after d walks the intermediate layer slurry of gained is coated with ImpranilLPRSC1537, half dry doubling compound base cloth, peels off release liners after oven dry, and obtaining high physical property can embossing dry method environmental protection sofa artificial leather dry method semi-finished product;
F () embossing, post processing, obtaining high physical property can embossing dry method environmental protection sofa artificial leather finished product.
The test result of above-mentioned 6 embodiment products is as shown in table 1:
Table 1 test result compares
From test result, with the synthetic leather of this manufacture technics compared with usual vehicle type synthetic leather, DMF content obviously reduces, and all embodiment DMF residual quantities are all lower than 100mg/kg; Conventional peel strength all reaches sofa artificial leather standard (>=18N/3cm), and jungle tests peel strength after 5 weeks and peel strength conservation rate apparently higher than usual vehicle type sofa artificial leather; After all embodiment embossings, lines is all deep in addition, contrast strong, and maintains good feel and stronger kishke feel.
Raw material sources in above-described embodiment illustrate:
One, microballoon foam powder FN100D, manufacturer: Matsumoto Yushi-Seiyaku Co., Ltd., the place of production: Japan; Microballoon foam powder 551DU40,461DU20, manufacturer: Expancel, the place of production: Sweden.
Two, HX-9530, HX-930G are solvent-borne type large arch dam intermediate layer polyurethane resin, manufacturer: He Xin Chemical Co., Ltd., the place of production: Zhejiang, Jiaxing; HX-6051, HX-6081 are solvent-borne type dry method surface layer polyurethane resin, manufacturer: He Xin Chemical Co., Ltd., the place of production: Zhejiang, Jiaxing;
Three, Leasys3458 is water-based large arch dam intermediate layer polyurethane resin, manufacturer: Yantai Wanhua Polyurethane Co., Ltd., the place of production: Shandong, Yantai; ImpranilLPRSC1537, ImpranilLPRSC1554 are water-based large arch dam intermediate layer polyurethane resin, manufacturer: Bayer Science and Technology Ltd., the place of production: Jiangsu, Kunshan.
Claims (10)
1. high physical property can the manufacture method of embossing dry method environmental protection sofa artificial leather, it is characterized in that comprising the following steps:
A () prepares sofa artificial leather base fabric: A base fabric and B base fabric;
B A base fabric and B base fabric are fitted by adhesive resin by (), A base fabric is above, and B base fabric below, is added with microballoon foam powder in adhesive resin, obtain compound base cloth after drying foaming; Adhesive formula of size is in mass:
PU resin: 100 parts,
Microballoon foam powder: 1 ~ 40 part,
Solvent: 0 ~ 100 part;
C () is coated with surface layer slurry post-drying in release liners;
D () is coated with intermediate layer slurry post-drying on the surface layer of the compound of c step gained;
After e () walks the compound of gained intermediate layer at d is coated with tie layer resins, laminating compound base cloth, peels off release liners after oven dry, and obtaining high physical property can embossing dry method environmental protection sofa artificial leather dry method semi-finished product;
F () embossing, post processing, obtaining high physical property can embossing dry method environmental protection sofa artificial leather finished product.
2. high physical property as claimed in claim 1 can the manufacture method of embossing dry method environmental protection sofa artificial leather, it is characterized in that the A base fabric count in sofa artificial leather base fabric used in step (a) is slightly high; B base fabric is that count is slightly low, and A base fabric count is 100g/m
2~ 1000g/m
2; B base fabric count is 50g/m
2~ 800g/m
2.
3. high physical property as claimed in claim 2 can the manufacture method of embossing dry method environmental protection sofa artificial leather, it is characterized in that sofa artificial leather base fabric A base fabric thickness used in step (a) is 0.1mm ~ 2.0mm; B base fabric thickness is 0.1mm ~ 2.0mm.
4. high physical property as claimed in claim 3 can the manufacture method of embossing dry method environmental protection sofa artificial leather, it is characterized in that A base fabric used in step (a) and the compound base cloth of B base fabric for being combined into by the method described in step (b); A base fabric and B base fabric consist of knitted cloth, woven fabric, nonwoven fabric, superfine fiber chemical leather semi-finished product, natural leather lamella or paper.
5. high physical property as claimed in claim 4 can the manufacture method of embossing dry method environmental protection sofa artificial leather, to it is characterized in that in step (b) that A base fabric and B base fabric attaching process are then to fit with B base fabric front or for fit with the A base fabric back side at B base fabric front coating binder resin at A base fabric backsize adhesive resin again.
6. high physical property as claimed in claim 5 can the manufacture method of embossing dry method environmental protection sofa artificial leather, it is characterized in that adhesive resin described in step (b) is aqueous adhesive resin.
7. high physical property as claimed in claim 6 can the manufacture method of embossing dry method environmental protection sofa artificial leather, it is characterized in that the solid content of the adhesive resin in described b step is 35% ~ 60%; Coating weight is 10g/m
2~ 200g/m
2.
8. high physical property as claimed in claim 7 can the manufacture method of embossing dry method environmental protection sofa artificial leather, it is characterized in that the initial blowing temperature of microballoon foam powder described in step (b) is 130 DEG C ~ 180 DEG C.In drying course, the highest bake out temperature is 130 DEG C ~ 180 DEG C.
9. high physical property as claimed in claim 8 can the manufacture method of embossing dry method environmental protection sofa artificial leather, it is characterized in that in step (c) (d) and step (e), slurry therewith is water paste.
10. high physical property as claimed in claim 9 can the manufacture method of embossing dry method environmental protection sofa artificial leather, it is characterized in that the scraper for coating height of the intermediate layer slurry described in step (d) is 0.1mm ~ 1.0mm.
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Cited By (4)
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| CN105671988A (en) * | 2016-03-31 | 2016-06-15 | 华伦皮塑（苏州）有限公司 | Preparation method of dry-sheepskin-imitated polyurethane sofa leather |
| CN106758275A (en) * | 2017-01-14 | 2017-05-31 | 天津工业大学 | A kind of preparation method of spun-bonded continuous yarn tangerine valve type super fiber leather |
| CN109137537A (en) * | 2018-09-10 | 2019-01-04 | 钟金榜 | Close composite porous, heat-barrier material, acoustic material, its manufacturing method |
| CN111021080A (en) * | 2019-12-27 | 2020-04-17 | 福建宝利特科技股份有限公司 | Plastic-uptake saddle leather with high physical property and preparation method thereof |
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| CN104213429A (en) * | 2014-09-26 | 2014-12-17 | 安徽安利合成革股份有限公司 | Production method of dry-type compound sofa furniture leather |
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