CN107881800A - A kind of high imitative head layer ox-hide PU leather and its production method - Google Patents
A kind of high imitative head layer ox-hide PU leather and its production method Download PDFInfo
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- CN107881800A CN107881800A CN201711386131.8A CN201711386131A CN107881800A CN 107881800 A CN107881800 A CN 107881800A CN 201711386131 A CN201711386131 A CN 201711386131A CN 107881800 A CN107881800 A CN 107881800A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 239000010985 leather Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 134
- 239000002649 leather substitute Substances 0.000 claims abstract description 26
- 238000002156 mixing Methods 0.000 claims abstract description 26
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 238000004806 packaging method and process Methods 0.000 claims abstract description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 90
- 239000000203 mixture Substances 0.000 claims description 77
- 230000007062 hydrolysis Effects 0.000 claims description 35
- 238000006460 hydrolysis reaction Methods 0.000 claims description 35
- 239000011248 coating agent Substances 0.000 claims description 24
- 238000000576 coating method Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 24
- 230000003068 static effect Effects 0.000 claims description 24
- 229920005749 polyurethane resin Polymers 0.000 claims description 18
- 239000004094 surface-active agent Substances 0.000 claims description 18
- 239000004814 polyurethane Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 14
- 238000005470 impregnation Methods 0.000 claims description 12
- 230000001172 regenerating effect Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 7
- 206010053615 Thermal burn Diseases 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 239000011850 water-based material Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000007792 addition Methods 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 abstract description 5
- 229920000570 polyether Polymers 0.000 abstract description 5
- 239000002759 woven fabric Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229940126062 Compound A Drugs 0.000 description 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- D06N3/0004—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 ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
-
- 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
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic 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
- 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
-
- 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
- D06N2209/1635—Elasticity
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Abstract
The invention discloses a kind of high imitative head layer ox-hide PU leather and its production method, it is characterized in that, comprise the following steps：1）Wet-mixing dispensing；2）Wet method bass produces；3）The processing of wet method bass；4）Dry mixed dispensing；5）Dry method veneer produces；6）Examine, packaging.The beneficial effect that the present invention is reached：The synthetic leather produced by this method, from vision and feel with head into ox-hide the degree of approximation up to 80%, alternative head layer ox-hide and woven fabric.Closer to the first layer lether of corium.The back side of leather exactly likes the fiber sense of corium, and there is the polyether resin of high acid-fast alkali-proof in front.This product feel is flexible, and elasticity is strong, and physical and mechanical properties is outstanding.
Description
Technical field
The present invention relates to a kind of high imitative head layer ox-hide PU leather and its production method, belong to synthetic leather preparation method technology neck
Domain.
Background technology
At present, synthetic leather product is increasingly becoming the trend of following prevalence, synthetic leather be widely used in production case and bag, clothes,
The products such as footwear.Present people are increasingly paid close attention to the aesthetic measure of leather, in order that synthetic leather disclosure satisfy that people to leather surface
The demand of aesthetic feeling, leather can be embossed, the processing such as spray paint, make full, highlighted, the saturating sense of surface flower pattern of synthetic leather.It is existing
Have in technology, synthetic leather is mainly made up of base cloth layer, wet method bass layer, dry method overlay coating, at the embossing of synthetic leather, spray paint
Many technical difficulties in reason be present, the defects of brightness is low, third dimension is poor easily occurs in the finished surface processed, it is impossible to meets people
To the demand of high-quality.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide a kind of producer of high imitative head layer ox-hide PU leather
Method, the synthetic leather of production from vision and feel with head into ox-hide the degree of approximation up to 80%, alternative head layer ox-hide and ultra-fine fibre
Tie up synthetic leather.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that：
A kind of high imitative head layer ox-hide PU leather, it is characterized in that, including mixed layer, the side of the mixed layer, which is fixed, is fitted with wet method tree
Fat foaming layer, opposite side are fitted with oily astringent sense aqueous treatment layer；The resin expanded layer of wet method is provided with dry method overlay coating；It is described
Dry method overlay coating is fixed and fits in the resin expanded layer of wet method backwards to the surface of the side of mixed layer；Set on the dry method overlay coating
There is corium inorganic agent process layer, the corium inorganic agent process layer is fixed and fits in dry method overlay coating backwards to the resin expanded layer of wet method
Side surface；The mixed layer is mixed using superfine fibre and wet method resin.
A kind of production method of high imitative head layer ox-hide PU leather, it is characterized in that, comprise the following steps：
1）Wet-mixing dispensing：Including coating mix and impregnation mix；
11）Coating mix：
A, 5-10kg dimethylformamide and 3-5kg wet method hydrolysis mill base are stirred into 15-20 minutes, then filters static obtain
It is stand-by to mixture A；
B, negative pressure can be smoked by adding dimethylformamide 5-10kg, wet method is water-fast enzymolysis auxiliary agent 1-3kg and surfactant 1-3kg
15-20 minutes are mixed in vacuum reaction kettle；
C, mixture A is put into vacuum reaction kettle after being stirred for 5-15 minutes and adds wet method high hydrolysis resistance regenerating polyurethane resin
100kg is stirred, and temperature is 30 DEG C -50 DEG C, mixing time 2h, and well mixed rear negative pressure vacuumizes and filters static mixed
Thing B, defoaming are stand-by；
12）It is impregnated with mix：
A, 10-15kg dimethylformamide and 1-3kg wet method hydrolysis mill base are stirred into 15-20 minutes, then filtered static
Mixture C is obtained, it is stand-by；
B, by 100kg wet method high hydrolysis resistance regenerating polyurethane resins and 200kg dimethylformamide high-speed stirred 20-30 minutes
1-3kg surfactants are added afterwards and 11-18kg mixture Cs stirring 30-50 minutes obtain mixture D, it is static stand-by.
2）Wet method bass produces：From the superfine fibre cloth of high density half, it is whole scald after mixture D by directly being applied after impregnation
The method for scraping mixture B goes out synthetic leather base material through wet production；
3）The processing of wet method bass：Step 2）In the synthetic leather base material back side polishing that has produced and the processing of the cured sense of touch of oil obtain it is wet
Method base material；
4）Dry mixed dispensing：By high hydrolysis resistance dry method polyurethane resin 100kg, dimethylformamide 30-50kg, dry method is water-fast
Solution mill base 1-3kg and surfactant 1-3kg mixing rear stirrers make it stir, and obtain mixture E；
5）Dry method veneer produces：
Mixture E is applied and scraped in the release liners with decorative pattern, passes through adhesive laminating step 3）In processed wet method base material,
Finished product is obtained by dry method release liners transfer veneer method.
6 examine, packaging.
A kind of production method of foregoing high imitative head layer ox-hide PU leather, it is characterized in that, the step 2）In, drying temperature is
100 DEG C -150 DEG C, baking oven speed 8-15m/min.
A kind of production method of foregoing high imitative head layer ox-hide PU leather, it is characterized in that, the step 2）In, whole boiling hot temperature is
100℃-150℃。
A kind of production method of foregoing high imitative head layer ox-hide PU leather, it is characterized in that, the step 3）In processing use
Water-based material processing.
A kind of production method of foregoing high imitative head layer ox-hide PU leather, it is characterized in that, the step 4）In, mixing time is
50-70min。
The beneficial effect that the present invention is reached：The synthetic leather produced by this method, with head into ox from vision and feel
The degree of approximation of skin is up to 80%, alternative head layer ox-hide and woven fabric.Closer to the first layer lether of corium.The back side of leather exactly likes corium
Fiber sense, there is the polyether resin of high acid-fast alkali-proof in front.This product feel is flexible, and elasticity is strong, and physical and mechanical properties is outstanding.
Embodiment
The invention will be further described below.Following examples are only used for the technical side for clearly illustrating the present invention
Case, and can not be limited the scope of the invention with this.
A kind of high imitative head layer ox-hide PU leather of the present invention, it is characterized in that, including mixed layer, the side of mixed layer fix
The resin expanded layer of wet method is fitted with, opposite side is fitted with oily astringent sense aqueous treatment layer.
The resin expanded layer of wet method is provided with dry method overlay coating, and dry method overlay coating is fixed and fits in the resin expanded layer of wet method backwards
The surface of the side of mixed layer.
Corium inorganic agent process layer is provided with dry method overlay coating, corium inorganic agent process layer is fixed and fits in dry method veneer
Layer is backwards to the surface of the side of the resin expanded layer of wet method.
Mixed layer is mixed using superfine fibre and wet method resin.
Its production method, comprises the following steps：
1）Wet-mixing dispensing：Including coating mix and impregnation mix；
11）Coating mix：
A, 5-10kg dimethylformamide and 3-5kg wet method hydrolysis mill base are stirred into 15-20 minutes, then filters static obtain
It is stand-by to mixture A；
B, negative pressure can be smoked by adding dimethylformamide 5-10kg, wet method is water-fast enzymolysis auxiliary agent 1-3kg and surfactant 1-3kg
15-20 minutes are mixed in vacuum reaction kettle；
C, mixture A is put into vacuum reaction kettle after being stirred for 5-15 minutes and adds wet method high hydrolysis resistance regenerating polyurethane resin
100kg is stirred, and temperature is 30 DEG C -50 DEG C, mixing time 2h, and well mixed rear negative pressure vacuumizes and filters static mixed
Thing B, defoaming are stand-by；
12）It is impregnated with mix：
A, 10-15kg dimethylformamide and 1-3kg wet method hydrolysis mill base are stirred into 15-20 minutes, then filtered static
Mixture C is obtained, it is stand-by；
B, by 100kg wet method high hydrolysis resistance regenerating polyurethane resins and 200kg dimethylformamide high-speed stirred 20-30 minutes
1-3kg surfactants are added afterwards and 11-18kg mixture Cs stirring 30-50 minutes obtain mixture D, it is static stand-by.
2）Wet method bass produces：From the superfine fibre cloth of high density half, it is whole scald after（Whole boiling hot temperature is 100 DEG C -150 DEG C）
The method that mixture D scrapes mixture B by directly being applied after impregnation goes out synthetic leather base material through wet production, and temperature is dried in wet production
Spend for 100 DEG C -150 DEG C, baking oven speed 8-15m/min..
3）The processing of wet method bass：Step 2）In the synthetic leather base material back side polishing that has produced and oily cured sense of touch handle
Handled to wet method base material, during processing using water-based material.
4）Dry mixed dispensing：By high hydrolysis resistance dry method polyurethane resin 100kg, dimethylformamide 30-50kg, dry method
Hydrolysis mill base 1-3kg and surfactant 1-3kg mixing rear stirrers make it stir, and obtain mixture E, mixing time
For 50-70min.
5）Dry method veneer produces：
Mixture E is applied and scraped in the release liners with decorative pattern, passes through adhesive laminating step 3）In processed wet method base material,
Finished product is obtained by dry method release liners transfer veneer method.
6）Examine, packaging.
Embodiment 1：
1）Wet-mixing dispensing：Including coating mix and impregnation mix；
11）Coating mix：
A, 5kg dimethylformamide and 3kg wet method hydrolysis mill base are stirred 15 minutes, then filters and static obtain mixture
A, it is stand-by；
B, dimethylformamide 5kg, wet method is water-fast enzymolysis auxiliary agent 1kg and surfactant 1kg are added can take out negative pressure vacuum it is anti-
Answer in kettle and mix 15 minutes；
Mixture A is put into vacuum reaction kettle to addition wet method high hydrolysis resistance regenerating polyurethane resin after being stirred for 5 minutes c,
100kg is stirred, and temperature is 30 DEG C, mixing time 2h, it is well mixed after negative pressure vacuumize and filter it is static obtain mixture B,
Defoam stand-by；
12) it is impregnated with mix：
A, 10kg dimethylformamide and 1kg wet method hydrolysis mill base are stirred 15 minutes, then filters static mixed
Thing C, it is stand-by；
B, by after 100kg wet method high hydrolysis resistance regenerating polyurethane resins and 200kg dimethylformamide high-speed stirred 20 minutes
Add 1kg surfactants and 11kg mixture Cs stir 30 minutes and obtain mixture D, it is static stand-by.
2）Wet method bass produces：From the superfine fibre cloth of high density half, it is whole scald after（Whole boiling hot temperature is 100 DEG C）Mixture
The method that D scrapes mixture B by directly being applied after impregnation goes out synthetic leather base material through wet production, and drying temperature is in wet production
100 DEG C DEG C, baking oven speed 8m/min.
3）The processing of wet method bass：Step 2）In the synthetic leather base material back side polishing that has produced and oily cured sense of touch handle
Handled to wet method base material, during processing using water-based material.
4）Dry mixed dispensing：High hydrolysis resistance dry method polyurethane resin 100kg, dimethylformamide 30kg, dry method is resistance to
Hydrolysis mill base 1kg and surfactant 1kg mixing rear stirrers make it stir, and obtain mixture E, mixing time is
50min。
5）Dry method veneer produces：Mixture E is applied and scraped in the release liners with decorative pattern, passes through adhesive laminating step 3）
In processed wet method base material, obtain finished product by dry method release liners transfer veneer method.
6）Examine, packaging.The synthetic leather produced by this method, the degree of approximation with head into ox-hide from vision and feel can
Up to 80%, alternative head layer ox-hide and woven fabric.Closer to the first layer lether of corium.The back side of leather exactly likes the fiber sense of corium, front
There is the polyether resin of high acid-fast alkali-proof.This product feel is flexible, and elasticity is strong, and physical and mechanical properties is outstanding.
Embodiment 2：
1）Wet-mixing dispensing：Including coating mix and impregnation mix；
11) coating mix：
A, 10kg dimethylformamide and 5kg wet method hydrolysis mill base are stirred 20 minutes, then filters static mixed
Thing A, it is stand-by；
B, dimethylformamide 10kg, wet method is water-fast enzymolysis auxiliary agent 3kg and surfactant 3kg are added can take out negative pressure vacuum it is anti-
Answer in kettle and mix 20 minutes；
Mixture A is put into vacuum reaction kettle to addition wet method high hydrolysis resistance regenerating polyurethane resin after being stirred for 15 minutes c,
100kg is stirred, and temperature is 50 DEG C, mixing time 2h, it is well mixed after negative pressure vacuumize and filter it is static obtain mixture B,
Defoam stand-by；
12）It is impregnated with mix：
A, 15kg dimethylformamide and 3kg wet method hydrolysis mill base are stirred 20 minutes, then filters static mixed
Thing C, it is stand-by；
B, by after 100kg wet method high hydrolysis resistance regenerating polyurethane resins and 200kg dimethylformamide high-speed stirred 30 minutes
Add 3kg surfactants and 18kg mixture Cs stir 50 minutes and obtain mixture D, it is static stand-by.
2）Wet method bass produces：From the superfine fibre cloth of high density half, it is whole scald after（Whole boiling hot temperature is 150 DEG C）Mixture
The method that D scrapes mixture B by directly being applied after impregnation goes out synthetic leather base material through wet production, and drying temperature is in wet production
150 DEG C, baking oven speed 15m/min..
3）The processing of wet method bass：Step 2）In the synthetic leather base material back side polishing that has produced and oily cured sense of touch handle
Handled to wet method base material, during processing using water-based material.
4）Dry mixed dispensing：High hydrolysis resistance dry method polyurethane resin 100kg, dimethylformamide 50kg, dry method is resistance to
Hydrolysis mill base 3kg and surfactant 3kg mixing rear stirrers make it stir, and obtain mixture E, mixing time is
70min。
5）Dry method veneer produces：Mixture E is applied and scraped in the release liners with decorative pattern, passes through adhesive laminating step 3）
In processed wet method base material, obtain finished product by dry method release liners transfer veneer method.
6）Examine, packaging.The synthetic leather produced by this method, the degree of approximation with head into ox-hide from vision and feel can
Up to 80%, alternative head layer ox-hide and woven fabric.Closer to the first layer lether of corium.The back side of leather exactly likes the fiber sense of corium, front
There is the polyether resin of high acid-fast alkali-proof.This product feel is flexible, and elasticity is strong, and physical and mechanical properties is outstanding.
Embodiment 3：
1）Wet-mixing dispensing：Including coating mix and impregnation mix；
11）Coating mix：
A, 7.5kg dimethylformamide and 4kg wet method hydrolysis mill base are stirred 17 minutes, then filters static mixed
Compound A, it is stand-by；
B, the vacuum of negative pressure can be taken out by adding dimethylformamide 7.5kg, wet method is water-fast enzymolysis auxiliary agent 2kg and surfactant 2kg
Mixed 17 minutes in reactor；
Mixture A is put into vacuum reaction kettle to addition wet method high hydrolysis resistance regenerating polyurethane resin after being stirred for 10 minutes c,
100kg is stirred, and temperature is 40 DEG C, mixing time 2h, it is well mixed after negative pressure vacuumize and filter it is static obtain mixture B,
Defoam stand-by；
12) it is impregnated with mix：
A, 12.5kg dimethylformamide and 2kg wet method hydrolysis mill base are stirred 17 minutes, then filters static mixed
Compound C, it is stand-by；
B, by after 100kg wet method high hydrolysis resistance regenerating polyurethane resins and 200kg dimethylformamide high-speed stirred 25 minutes
Add 2kg surfactants and 14.5kg mixture Cs stir 40 minutes and obtain mixture D, it is static stand-by.
2）Wet method bass produces：From the superfine fibre cloth of high density half, it is whole scald after（Whole boiling hot temperature is 125 DEG C）Mixture
The method that D scrapes mixture B by directly being applied after impregnation goes out synthetic leather base material through wet production, and drying temperature is in wet production
125 DEG C, baking oven speed 12m/min.
3）The processing of wet method bass：Step 2）In the synthetic leather base material back side polishing that has produced and oily cured sense of touch handle
Handled to wet method base material, during processing using water-based material.
4）Dry mixed dispensing：High hydrolysis resistance dry method polyurethane resin 100kg, dimethylformamide 40kg, dry method is resistance to
Hydrolysis mill base 2kg and surfactant 2kg mixing rear stirrers make it stir, and obtain mixture E, mixing time is
60min。
5）Dry method veneer produces：Mixture E is applied and scraped in the release liners with decorative pattern, passes through adhesive laminating step 3）
In processed wet method base material, obtain finished product by dry method release liners transfer veneer method.
6）Examine, packaging.The synthetic leather produced by this method, the degree of approximation with head into ox-hide from vision and feel can
Up to 80%, alternative head layer ox-hide and woven fabric.Closer to the first layer lether of corium.The back side of leather exactly likes the fiber sense of corium, front
There is the polyether resin of high acid-fast alkali-proof.This product feel is flexible, and elasticity is strong, and physical and mechanical properties is outstanding.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of high imitative head layer ox-hide PU leather, it is characterized in that, including mixed layer, the side of the mixed layer, which is fixed, is fitted with wet method
Resin expanded layer, opposite side are fitted with oily astringent sense aqueous treatment layer；The resin expanded layer of wet method is provided with dry method overlay coating；Institute
State the fixation of dry method overlay coating and fit in the resin expanded layer of wet method backwards to the surface of the side of mixed layer；Set on the dry method overlay coating
Corium inorganic agent process layer is equipped with, it is resin expanded backwards to wet method that the corium inorganic agent process layer fixation fits in dry method overlay coating
The surface of the side of layer；The mixed layer is mixed using superfine fibre and wet method resin.
2. a kind of production method of high imitative head layer ox-hide PU leather, it is characterized in that, comprise the following steps：
Wet-mixing dispensing：Including coating mix and impregnation mix；
Coating mix：
By 5-10kg dimethylformamide and 3-5kg wet method hydrolysis mill base stirring 15-20 minutes, static obtain then is filtered
Mixture A, it is stand-by；
By dimethylformamide 5-10kg, wet method is water-fast, and enzymolysis auxiliary agent 1-3kg and surfactant 1-3kg additions can take out the true of negative pressure
15-20 minutes are mixed in empty reactor；
Mixture A is put into vacuum reaction kettle after being stirred for 5-15 minutes and adds wet method high hydrolysis resistance regenerating polyurethane resin
100kg is stirred, and temperature is 30 DEG C -50 DEG C, mixing time 2h, and well mixed rear negative pressure vacuumizes and filters static mixed
Thing B, defoaming are stand-by；
It is impregnated with mix：
By 10-15kg dimethylformamide and 1-3kg wet method hydrolysis mill base stirring 15-20 minutes, static obtain then is filtered
It is stand-by to mixture C；
By after 100kg wet method high hydrolysis resistance regenerating polyurethane resins and 200kg dimethylformamide high-speed stirred 20-30 minutes
Add 1-3kg surfactants and 11-18kg mixture Cs stirring 30-50 minutes obtain mixture D, it is static stand-by；
Wet method bass produces：From the superfine fibre cloth of high density half, it is whole scald after mixture D by after impregnation directly apply scrape mixing
Thing B method goes out synthetic leather base material through wet production；
The processing of wet method bass：Step 2）In the synthetic leather base material back side polishing that has produced and the processing of the cured sense of touch of oil obtain wet method
Base material；
Dry mixed dispensing：By high hydrolysis resistance dry method polyurethane resin 100kg, dimethylformamide 30-50kg, dry method hydrolysis
Mill base 1-3kg and surfactant 1-3kg mixing rear stirrers make it stir, and obtain mixture E；
Dry method veneer produces：
Mixture E is applied and scraped in the release liners with decorative pattern, passes through adhesive laminating step 3）In processed wet method base material,
Finished product is obtained by dry method release liners transfer veneer method；
Examine, packaging.
3. a kind of production method of high imitative head layer ox-hide PU leather according to claim 2, it is characterized in that, the step 2）
In, drying temperature is 100 DEG C -150 DEG C, baking oven speed 8-15m/min.
4. a kind of production method of high imitative head layer ox-hide PU leather according to claim 3, it is characterized in that, the step 2）
In, whole boiling hot temperature is 100 DEG C -150 DEG C.
5. a kind of production method of high imitative head layer ox-hide PU leather according to claim 2, it is characterized in that, the step 3）In
Processing using water-based material handle.
6. a kind of production method of high imitative head layer ox-hide PU leather according to claim 2, it is characterized in that, the step 4）
In, mixing time 50-70min.
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| CN109295744A (en) * | 2018-12-06 | 2019-02-01 | 昆山协孚新材料股份有限公司 | A kind of water boiling resistance imitates nanometer shoes leather and its production method |
| CN109295743A (en) * | 2018-12-06 | 2019-02-01 | 昆山协孚新材料股份有限公司 | A kind of free-floride hydrolysis is breathed freely ox Ba Ge and its production method |
| CN109322169A (en) * | 2018-10-18 | 2019-02-12 | 清远市齐力合成革有限公司 | A kind of aqueous cloudy surface, scratch resistance, soft synthetic leather |
| CN109610176A (en) * | 2018-12-07 | 2019-04-12 | 福建华普树脂有限公司 | A kind of woven fabric bass and preparation method thereof |
| CN110670373A (en) * | 2019-09-19 | 2020-01-10 | 昆山协孚新材料股份有限公司 | Production process of fluorine-free environment-friendly synthetic leather for sports shoe material |
| CN111764177A (en) * | 2020-06-23 | 2020-10-13 | 明新孟诺卡(江苏)新材料有限公司 | Preparation method of full-aqueous superfine fiber synthetic leather |
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Application publication date: 20180406 |