CN106436331A - Preparation method of wear-resisting anti-fouling solvent-free polyurethane automobile leather - Google Patents
Preparation method of wear-resisting anti-fouling solvent-free polyurethane automobile leather Download PDFInfo
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- CN106436331A CN106436331A CN201610726970.9A CN201610726970A CN106436331A CN 106436331 A CN106436331 A CN 106436331A CN 201610726970 A CN201610726970 A CN 201610726970A CN 106436331 A CN106436331 A CN 106436331A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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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
- 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
- D06N3/0068—Polymeric granules, particles or powder, e.g. core-shell particles, microcapsules
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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
- D06N3/121—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 polyesters, polycarbonates, alkyds
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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
- 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
- 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
- D06N2211/26—Vehicles, transportation
- D06N2211/263—Cars
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2213/00—Others characteristics
- D06N2213/03—Fibrous web coated on one side with at least two layers of the same polymer type, e.g. two coatings of polyolefin
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention discloses a preparation method of wear-resisting anti-fouling solvent-free polyurethane automobile leather. The surface of release paper is uniformly coated with a surface layer sizing agent, and drying is performed to obtain a surface layer leather film; the surface layer leather film is uniformly coated with a foaming layer sizing agent, drying is performed till the coatings have the certain adhesive property; all the coatings and synthetic leather base cloth are laminated, drying and curing are performed, and then the release paper is peeled off to obtain a dry method semi-finished product; the front face of the dry method semi-finished product is coated with an anti-fouling coating, and drying and solidification are performed to obtain a finished product. The method has the environmental protection property and functionality, no solvent is adopted in the production technological process, no solvent remains in the product, and the wear-resisting anti-fouling solvent-free polyurethane automobile leather is high in wear-resisting property and excellent in anti-fouling performance.
Description
First, technical field
The present invention relates to a kind of production method of no-solvent polyurethane synthetic leather, specifically a kind of wear-resisting antifouling no molten
The preparation method of agent polyurethane automobile leather.
2nd, background technology
With social development, the living standard of people increasingly improves, also increasing to the demand of leather and fur products, people
Fabricate-leather and synthetic leather especially Synthetic Leather, its performance becomes closer to natural leather, and the performance of some aspects is even super
Cross natural leather, it is the substitute of preferable natural leather.
Whether Synthetic Leather is classified using solvent with using the difference of solvent species according in production process, point
For full oiliness Synthetic Leather, full waterborne polyurethane synthetic leather, completely without solvent borne polyurethane synthetic leather and oiliness, aqueous and
Both compound synthetic leather in three kinds of no-solvent type.Oiliness Synthetic Leather with DMF as solvent, mature production technology, product
Stable performance, the substantial amounts of solvent of production and application leads to its technique to there is certain environmental risk；And Waterborne synthetic leather with water is
Dispersant, its process route is similar to oiliness Synthetic Leather, and technique is more ripe, but, because evaporation of water enthalpy is big, produce
High energy consumption, and resins synthesis high cost, are piled up for microsphere particle stratiform due to its coating structure, lead to its performance to exist
Certain defect, Waterborne synthetic leather is not temporarily promoted on a large scale；In uninanned platform leather production process, raw material need not add
Solvent.VOC is almost equal to zero, and technique does not need extra solvent recovering system, its energy consumption and moderate cost, is synthetic leather cleaning
The developing direction changed.
Synthetic Leather is just stepping into automotive interior material field, due to narrow space in car body, in automobile
In safety and functional requirement apparently higher than common interior material, automotive trim requires low VOC, high physical property (special to exterior material
It is not wearability) and easily arrange, low VOC is the preferable material of automotive trim completely without solvent polyurethane synthetic leather, but, solvent-free
Synthetic leather needs to make improvements in terms of physical property and feature.
CN104963212A discloses a kind of patent of the preparation method of no-solvent polyurethane interior leather for automobiles, using water
Property-solvent-free technique, this product does not do back segment antifouling process；CN105525511A discloses a kind of strong based on hydroxyapatite
Spend enhanced woven fabric polyurethane artificial automobile leather and preparation method thereof, product is removed from office for woven fabric automobile, and utilizes hydroxyapatite pair
The technique that polyurethane carries out hardening strength.
3rd, content of the invention
It is an object of the invention to provide a kind of preparation method of wear-resisting antifouling no-solvent polyurethane automobile leather.
The preparation method of the wear-resisting antifouling no-solvent polyurethane automobile leather of the present invention, comprises the steps：
1st, uniformly coat surface layer slurry, coating thickness 0.1-0.2mm on release liners surface, 1.5- is dried in 115-125 DEG C
3min, prepared surfacing epithelium；
Described surface layer slurry is to be made up of the raw material mixing of following mass parts：
Compact-A, 100 parts；
Compact-B, 67-72 part；
Kynoar PVDF, 1.2-3.5 part；
Pigment, several pieces.The addition of pigment is determined by customer demand.
2nd, uniformly coat foaming layer slurry, coating thickness 0.2-0.3mm in described surfacing epithelium, do in 120-130 DEG C
Dry 1-2min, coating retains certain cementability；
Described foaming layer slurry is to be made up of the raw material mixing of following mass parts：
Foam-A, 100 parts；
Foam-B, 50～70 parts；
Surfactant B YK-349,0.1～0.4 part.
3rd, step 2 gained coating is fitted with synthetic leather base cloth, 4-6min is dried in 135-145 DEG C, shell after curing is dried
Dry method semi-finished product are obtained after release liners；
4th, in the front surface coated nonpolluting coating of dry method semi-finished product, 1-3min is dried in 140-150 DEG C, is obtained after dry solidification
Finished product.
Described nonpolluting coating is to be made up of the raw material mixing of following mass parts：
MSL-6200,100 parts；
Accelerator SE-69MD, 20-35 part；
Diluent 1#, 80-140 part.
Beneficial effects of the present invention are embodied in：
The surface layer coating that the wear-resisting antifouling no-solvent polyurethane automobile leather of the present invention adopts and foaming layer coating are all solvent-free
Polyurethane, produces and cleans and Products Eco, compared with the technique of aqueous no-solvent polyurethane synthetic leather, VOC level
Suitable with it, energy consumption and cost are less than aqueous no-solvent polyurethane synthetic leather product.
The present invention adds appropriate Kynoar powder in surface layer slurry, considerably improves the wearability of product
Can be so as to the physical property meeting automobile leather requires；The front of dry method semi-finished product coats organosilicon nonpolluting coating, gives material excellent
Good detergency ability is so that material is more easy to arrange in use.
The wear-resisting antifouling no-solvent polyurethane automobile leather of the present invention, product is according to QB/T 4671-2014 (artificial leather synthetic leather
The mensure of test method hydrolysis), that is, in the environment of 70 DEG C and relative humidity are 95%, face coat after placing more than 12 weeks
Do not ftracture not efflorescence, and anti-wear performance is good, under 1kg bears a heavy burden, Taber abrasion performance inspection is carried out using H-18 emery wheel to leather surface
Survey, 20000 leather surfaces of test are not damaged；Product dirt-removing power of the present invention is strong, by AATCC standard detection, the antifouling grade of coating
Reach 4-5 level.
4th, brief description
Fig. 1 is the FT-IR spectrogram of surface layer slurry raw material Compact-A, as can be seen from Figure 1 1254cm-1For polyester C-O
Shrink vibration peak, 1738cm-1Shrink vibration peak, 3400cm for ester bond C=O-1It is nearby the O-H contraction vibration peak of polyalcohol.
Fig. 2 is the FT-IR spectrogram of surface layer slurry raw material Compact-B, as can be seen from Figure 2 1500-1800cm-1For six
Yuan of rings C-C skeletal vibration, 2272cm-1N=C feature shrink vibration peak for NCO.
Fig. 3 is the FT-IR spectrogram of nonpolluting coating raw material MSL-6200, as can be seen from Figure 3 756.98cm-1、
803.14cm-1And 844.32cm-1Shrink vibration peak, 1083.55cm for Si-C-1Shrink vibration peak, 1259.25cm for Si-O-1For
C-O shrinks vibration peak, 2957.77cm-1Shrink vibration peak for the C-H in ethyl.
5th, specific embodiment
For being best understood from the present invention, with reference to embodiment and accompanying drawing, the invention will be further described, following examples
It is only that the present invention will be described rather than it is limited.
Raw material sources：
Compact-A, Compact-B, Foam-A and Foam-B are Hefei Anli New Material Polyurethane Co., Ltd.'s life
The no-solvent polyurethane producing；
Kynoar PVDF ships plastic raw materials Products for Dongguan City gold；
Surfactant B YK-349 is Bi Ke chemical products；
MSL-6200 and diluent 1# is Dongguan Liang Zhan organosilicon Science and Technology Ltd. product；
Accelerator SE-69MD is that Korea S pine purifies Products.
Embodiment 1：
In the present embodiment, the preparation method of wear-resisting antifouling no-solvent polyurethane automobile leather is as follows：
1st, surface layer slurry, coating thickness 0.12mm are uniformly coated on release liners surface, 120 DEG C are dried 2.5min, prepared face
Layer epithelium；
Described surface layer slurry is to be made up of the raw material mixing of following mass parts：
Compact-A, 100 parts；
Compact-B, 71 parts；
Kynoar PVDF, 3.3 parts；
Pigment, several pieces.
2nd, uniformly coat foaming layer slurry, coating thickness 0.28mm in described surfacing epithelium, 115 DEG C are dried 2min, apply
Layer retains certain cementability；
Described foaming layer slurry is to be made up of the raw material mixing of following mass parts：
Foam-A, 100 parts；
Foam-B, 60 parts；
Surfactant B YK-349,0.15 part.
3rd, step 2 gained coating is fitted with synthetic leather base cloth, 140 DEG C are dried 4.5min, peel off release after curing is dried
Dry method semi-finished product are obtained after paper；
4th, in the front surface coated nonpolluting coating of dry method semi-finished product, 145 DEG C are dried 2min, finished product after dry solidification.
Described nonpolluting coating is to be made up of the raw material mixing of following mass parts：
MSL-6200,100 parts；
Accelerator SE-69MD, 25 parts；
Diluent 1#, 115 parts.
Embodiment 2：
In the present embodiment, the preparation method of wear-resisting antifouling no-solvent polyurethane automobile leather is as follows：
1st, surface layer slurry, coating thickness 0.15mm are uniformly coated on release liners surface, 125 DEG C are dried prepared surface layer after 2min
Epithelium；
Described surface layer slurry is to be made up of the raw material mixing of following mass parts：
Compact-A, 100 parts；
Compact-B, 68 parts；
Kynoar PVDF, 1.4 parts；
Pigment, several pieces.
2nd, uniformly coat foaming layer slurry, coating thickness 0.25mm in described surfacing epithelium, 120 DEG C are dried 1min, apply
Layer retains certain cementability；
Described foaming layer slurry is to be made up of the raw material mixing of following mass parts：
Foam-A, 100 parts；
Foam-B, 55 parts；
Surfactant B YK-349,0.2 part.
3rd, step 2 gained coating is fitted with synthetic leather base cloth, 135 DEG C are dried 5min, after curing is dried, peel off release liners
Obtain dry method semi-finished product afterwards；
4th, in the front surface coated nonpolluting coating of dry method semi-finished product, 145 DEG C are dried 2min, finished product after dry solidification.
Described nonpolluting coating is to be made up of the raw material mixing of following mass parts：
MSL-6200,100 parts；
Accelerator SE-69MD, 24 parts；
Diluent 1#, 86 parts.
Embodiment 3：
In the present embodiment, the preparation method of wear-resisting antifouling no-solvent polyurethane automobile leather is as follows：
1st, surface layer slurry, coating thickness 0.10mm are uniformly coated on release liners surface, 135 DEG C are dried 1.5min, prepared face
Layer epithelium；
Described surface layer slurry is to be made up of the raw material mixing of following mass parts：
Compact-A, 100 parts；
Compact-B, 70 parts；
Kynoar PVDF, 1.4 parts；
Pigment, several pieces.
2nd, uniformly coat foaming layer slurry, coating thickness 0.3mm in described surfacing epithelium, 125 DEG C are dried 1.5min, apply
Layer retains certain cementability；
Described foaming layer slurry is to be made up of the raw material mixing of following mass parts：
Foam-A, 100 parts；
Foam-B, 62 parts；
Surfactant B YK-349,0.35 part.
3rd, step 2 gained coating is fitted with synthetic leather base cloth, 138 DEG C are dried 5min, after curing is dried, peel off release liners
Obtain dry method semi-finished product afterwards；
4th, in the front surface coated nonpolluting coating of dry method semi-finished product, 143 DEG C are dried 2.5min, finished product after dry solidification.
Described nonpolluting coating is to be made up of the raw material mixing of following mass parts：
MSL-6200,100 parts；
Accelerator SE-69MD, 29 parts；
Diluent 1#, 130 parts.
The wear-resisting antifouling no-solvent polyurethane automobile leather of embodiment of the present invention preparation, product is according to QB/T 4671-2014
(mensure of artificial leather synthetic leather test method hydrolysis), that is, in the environment of 70 DEG C and relative humidity are 95%, places 12 weeks
After above, face coat does not ftracture not efflorescence, and anti-wear performance is good, under 1kg bears a heavy burden, using H-18 emery wheel, leather surface is carried out
Taber abrasion performance detects, 20000 leather surfaces of test are not damaged；Product dirt-removing power of the present invention is strong, by AATCC standard detection,
The antifouling grade of coating reaches 4-5 level.
The above embodiment is only that the preferred embodiment of the present invention is described, the not model to the present invention
Enclose and be defined, on the premise of without departing from design spirit of the present invention, the technical side to the present invention for the those of ordinary skill in the art
Various modifications and improvement that case is made, all should fall in the protection domain of claims of the present invention determination.
Claims (4)
1. a kind of preparation method of wear-resisting antifouling no-solvent polyurethane automobile leather is it is characterised in that comprise the steps：
(1) uniformly coat surface layer slurry, coating thickness 0.1-0.2mm on release liners surface, 1.5- is dried in 115-125 DEG C
3min, prepared surfacing epithelium；
(2) uniformly coat foaming layer slurry, coating thickness 0.2-0.3mm in described surfacing epithelium, 1- is dried in 120-130 DEG C
2min, coating retains certain cementability；
(3) step (2) gained coating is fitted with synthetic leather base cloth, 4-6min is dried in 135-145 DEG C, peel off after curing is dried
Dry method semi-finished product are obtained after release liners；
(4) in the front surface coated nonpolluting coating of dry method semi-finished product, 1-3min is dried in 140-150 DEG C, is obtained into after dry solidification
Product.
2. preparation method according to claim 1 is it is characterised in that described surface layer slurry is by the raw material of following mass parts
Mixing is constituted：
Compact-A, 100 parts；
Compact-B, 67-72 part；
Kynoar, 1.2-3.5 part；
Pigment.
3. preparation method according to claim 1 is it is characterised in that described foaming layer slurry is former by following mass parts
Material mixing is constituted：
Foam-A, 100 parts；
Foam-B, 50～70 parts；
Surfactant B YK-349,0.1～0.4 part.
4. preparation method according to claim 1 is it is characterised in that described nonpolluting coating is by the raw material of following mass parts
Mixing is constituted：
MSL-6200,100 parts；
Accelerator SE-69MD, 20-35 part；
Diluent 1#, 80-140 part.
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| CN201610726970.9A CN106436331A (en) | 2016-08-25 | 2016-08-25 | Preparation method of wear-resisting anti-fouling solvent-free polyurethane automobile leather |
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| CN201610726970.9A CN106436331A (en) | 2016-08-25 | 2016-08-25 | Preparation method of wear-resisting anti-fouling solvent-free polyurethane automobile leather |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951180A (en) * | 2018-06-05 | 2018-12-07 | 福建宝利特科技股份有限公司 | A kind of antifouling rtificial leather and preparation method thereof |
| CN109594355A (en) * | 2018-11-30 | 2019-04-09 | 安徽安利材料科技股份有限公司 | A kind of high strength solventless polyurethane regenerated bark and preparation method thereof |
| CN112593419A (en) * | 2020-12-07 | 2021-04-02 | 安徽安利材料科技股份有限公司 | Preparation method of water-based low-temperature printing environment-friendly polyurethane synthetic leather |
| CN114481639A (en) * | 2022-01-04 | 2022-05-13 | 江苏华峰超纤材料有限公司 | Antifouling surface microstructure and application thereof in synthetic leather |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108951180A (en) * | 2018-06-05 | 2018-12-07 | 福建宝利特科技股份有限公司 | A kind of antifouling rtificial leather and preparation method thereof |
| CN109594355A (en) * | 2018-11-30 | 2019-04-09 | 安徽安利材料科技股份有限公司 | A kind of high strength solventless polyurethane regenerated bark and preparation method thereof |
| CN109594355B (en) * | 2018-11-30 | 2021-11-12 | 安徽安利材料科技股份有限公司 | High-strength solvent-free polyurethane regenerated leather and preparation method thereof |
| CN112593419A (en) * | 2020-12-07 | 2021-04-02 | 安徽安利材料科技股份有限公司 | Preparation method of water-based low-temperature printing environment-friendly polyurethane synthetic leather |
| CN112593419B (en) * | 2020-12-07 | 2023-09-08 | 安徽安利材料科技股份有限公司 | Preparation method of water-based low-temperature printing environment-friendly polyurethane synthetic leather |
| CN114481639A (en) * | 2022-01-04 | 2022-05-13 | 江苏华峰超纤材料有限公司 | Antifouling surface microstructure and application thereof in synthetic leather |
| CN114481633A (en) * | 2022-01-04 | 2022-05-13 | 江苏华峰超纤材料有限公司 | Surface layer film and preparation method and application thereof |
| CN114481633B (en) * | 2022-01-04 | 2023-12-15 | 江苏华峰超纤材料有限公司 | Surface layer film and preparation method and application thereof |
| CN114481639B (en) * | 2022-01-04 | 2023-12-15 | 江苏华峰超纤材料有限公司 | Antifouling surface microstructure and application thereof in synthetic leather |
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Application publication date: 20170222 |