CN110453506A - A kind of preparation process of artificial leather luggage leather - Google Patents
A kind of preparation process of artificial leather luggage leather Download PDFInfo
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- CN110453506A CN110453506A CN201910692500.9A CN201910692500A CN110453506A CN 110453506 A CN110453506 A CN 110453506A CN 201910692500 A CN201910692500 A CN 201910692500A CN 110453506 A CN110453506 A CN 110453506A
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- Prior art keywords
- artificial leather
- 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
- 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
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/18—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
- D06N2209/067—Flame resistant, fire resistant
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention discloses a kind of preparation processes of artificial leather luggage leather, comprise the following steps that: S1: preparing polyurethane coating liquid, then polyurethane coating liquid is coated in release paper, baking and curing, obtains the first base；S2: preparing high setting polyurethane coating solution, and high setting polyurethane coating solution is coated in the first base, and baking and curing obtains the second base；S3: layers of polyvinyl chloride films liquid is prepared, layers of polyvinyl chloride films liquid is coated in the second base, baking and curing obtains face mask layer；S4: expanding foam solution is prepared, expanding foam solution is coated on face mask layer, foaming layer is obtained；S5: preparing gluing liquid, after gluing liquid is coated in foaming layer, then base fabric is imprinted with foaming layer heating and is bonded, obtain semi-finished product；S6: release paper is removed, and after being then surface modified to the semi-finished product artificial leather after removing, obtains finished synthetic's leather.The present invention has the effect of improving the flame retardant property of Artificial leather for luggage.
Description
Technical field
The present invention relates to the technical fields of leather preparing process, more particularly, to a kind of preparation work of artificial leather luggage leather
Skill.
Background technique
Artificial leather is a kind of appearance, feel like leather and the plastic products that it can be replaced to use.Usually using fabric as base,
Coating synthetic resin and the addition of various plastics are made.Mainly there are PVC artificial leather, PU artificial leather and PU synthetic leather three classes.Artificial leather
It is widely used in clothing, system packet, compared with leather, artificial leather price is cheaper, more adapts to the consumption water of general population
It is flat.
The manufacture craft of artificial leather is usually that prepared face mask layer, foaming layer and bonding coat are successively coated to release paper
Then surface again fits to base fabric on bonding coat, make its plasticizing foaming after release paper is removed again, then using surface at
Reason obtains finished synthetic's leather after being modified.
Prior art among the above has the following deficiencies: the raw material of existing artificial leather usually using polyvinyl chloride
Or the organic materials such as polyurethane, and these organic materials all have certain combustibility, when the case of existing artificial leather production
In packet storing process, it is easy to be caused the biggish intensity of a fire in a very short period of time by the igniting for fire source in environment, stored
Potentially danger in journey is higher.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of preparation work of artificial leather luggage leather
Skill, by the way that addition has association in the formula of layers of polyvinyl chloride films liquid, expanding foam solution and gluing liquid in the preparation process of artificial leather
The fire retardant matter of same-action, so that the flame retardant property of Artificial leather for luggage finished product gets a promotion.
Above-mentioned purpose of the invention has the technical scheme that
A kind of preparation process of artificial leather luggage leather, comprises the following steps that:
S1: preparing polyurethane coating liquid, then polyurethane coating liquid be coated in release paper, baking and curing, obtains the
One base；
S2: preparing high setting polyurethane coating solution, high setting polyurethane coating solution is coated in the first base, baking and curing,
Obtain the second base；
S3: layers of polyvinyl chloride films liquid is prepared, layers of polyvinyl chloride films liquid is coated in the second base, baking and curing obtains
Face mask layer；
S4: expanding foam solution is prepared, expanding foam solution is coated on face mask layer, foaming layer is obtained；
S5: preparing gluing liquid, after gluing liquid is coated in foaming layer, then base fabric is imprinted with foaming layer heating and is bonded,
Obtain semi-finished product；
S6: release paper is removed, and after being then surface modified to the semi-finished product artificial leather after removing, obtains finished synthetic
Leather.
By using above-mentioned technical proposal, elder generation is primary in release paper to be transferred in the production process with artificial leather for luggage
Painting is covered with the first base, the second base, face mask layer, foaming layer and adhesive layer, and base fabric is then carried out hot pressing with adhesive layer again and is glued
It closes, to obtain the artificial leather material that can be used for bag manufacture with higher-strength.Wherein the first base and the second base
Coating increases the thickness of Artificial leather for luggage, and the second base uses the polyurethane of high solids content, so that Artificial leather for luggage
Lear energy is highly improved, and the first base is coated using common polyurethane powder, improves artificial leather
The pliability and abrasive resistance on surface etc..Then again by adding in face mask layer, foaming layer and adhesive layer coating material
Add retardant fillers, and makes the fire retardant in three's material carry out phase during infiltration during hot padding
Mutually collaboration improves flame retardant property.And when luggage meets open fire surface layer or internal layer burns, the fire retardant in this three layers fills material
Material is playing obstruction effect to burning jointly, avoids greatly burning.
The present invention is further arranged to: the polyurethane coating liquid includes the component of following parts by weight:
100~120 parts of polyurethane powder；
30~40 parts of trimethylolpropane；
10~20 parts of acetone.
By using above-mentioned technical proposal, polyurethane powder is main coating material, and trimethylolpropane and acetone are made
For solvent, after being coated in release paper, solvent evaporates at high temperature, so that solidification obtains the first base.
The present invention is further arranged to: the high setting polyurethane coating solution includes the component of following parts by weight:
100~120 parts of high solid content polyurethane powder；
40~60 parts of dimethylformamide；
10~20 parts of butanone.
By using above-mentioned technical proposal, high solid content polyurethane powder is main coating material, dimethylformamide
With butanone as solvent, after being coated in release paper, solvent evaporates at high temperature, so that solidification obtains the second base, the
Since the solid content in polyurethane is higher in two bases, the film layer tensile strength formed is also stronger, whole hence for artificial leather
Body has the effect of enhancing tensile capacity.
The present invention is further arranged to: the layers of polyvinyl chloride films liquid includes the component of following parts by weight:
By using above-mentioned technical proposal, polyvinyl chloride powder is main film layer resin material in layers of polyvinyl chloride films liquid,
Plasticizer plays the role of Corvic to weaken the Van der Waals force between polymer molecule, so that the shifting between strand
Dynamic property increases, and reduces crystallinity, improves plasticity and flexibility.It is small that filler material mainly makes resin vary with temperature firmness change, increases
Volume change when surface hardness and reduction after adding drying are dried, thus to prevent from cracking.Stabilizer is mainly used for inhibiting
Polyvinyl chloride during the drying process high-temperature molding when hydrogen chloride generation, inhibit its thermal decomposition.Colorant is for adjusting polyvinyl chloride
The color of film layer, so that its color is similar to cladding.Fire retardant is also to be added to polychloroethylene film as a kind of addition modifying agent
In layer liquid, being dispersed in the film layer liquid for obtaining drying has certain flame retardant property, improves luggage leather
Safety in utilization.
The present invention is further arranged to: the fire retardant includes following components in percentage by weight:
By using above-mentioned technical proposal, the organic matters such as polyvinyl chloride and polyurethane can produce during burning
Raw a large amount of flue gas, magnesium hydroxide powder filler, which is not only released during being thermally decomposed in conjunction with water, absorbs a large amount of latent heat
To reduce the temperature of material surface, so that material obtains outside cooling effect, the vapor of release has centainly flue gas
Inhibitory effect can reduce exhaust gas volumn, reduce flue gas to harm.Triisopropyl phenyl phosphate itself can be with the fire-retardant of polyvinyl chloride
Added material, while triisopropyl phenyl phosphate carries out a degree of surface to magnesium hydroxide powder and is modified, and can reduce hydrogen
The tension on magnesium oxide powder surface, to improve its miscible uniformity with polyvinyl chloride.Three in melamine polyphosphate
Paracyanogen amido absorbs big calorimetric at high temperature, releases ammonia and forms multiple polymers, and these substances have higher than trimerization
The fusing point of cyanamide can also promote organic polymer to be carbonized fire-retardant to achieve the effect that.Neopelex is as surface
Activating agent has the function of magnesium hydroxide powder to reduce surface tension, and plays to the emulsification of triisopropyl phenyl phosphate
Certain facilitation, so that the mixing between magnesium hydroxide powder and triisopropyl phenyl phosphate and polyvinyl chloride is more equal
It is even.
The present invention is further arranged to: the expanding foam solution includes the component of following parts by weight:
By using above-mentioned technical proposal, compared in film layer, foaming agent is heated in expanding foam solution to be dried each component in foaming layer
It in dry process, can be thermally decomposed, generate the gases such as carbon dioxide and nitrogen, so that pore structure is formed in the polymer,
So that artificial leather is more soft.So that surfactant is organosilicone surfactants, the mixing of resin and foaming agent is risen
To facilitation, so that the mixing between surfactant and foaming agent is more uniform.
The present invention is further arranged to: the promotor includes following components in percentage by weight:
By using above-mentioned technical proposal, tribromphenol is a kind of new flame retardant, and porous tourmaline filter bulb has a large amount of
Microcellular structure, there is extremely strong absorption property, for tribromphenol when being added into expanding foam solution, tribromphenol is first by porous electrical
Stone filter bulb is adsorbed, and the ingredient tourmaline in porous tourmaline filter bulb itself has certain flame-retarding characteristic, so that more
Hole tourmaline filter bulb is when being distributed in expanding foam solution, other than the flame-retarding characteristic of itself improves, the tribromphenol that adsorbs thereon
Also have haveing a certain upgrade for the flame retardant effect of foaming layer, so that the flame retardant effect of foaming layer is highly improved.
Sodium hydroxide is used to adjust the pH of expanding foam solution, and tween is improved for adjusting dispersibility of the porous tourmaline filter bulb in expanding foam solution
The uniformity of dispersion.And in combustion process, the flue gas and carbon black pellet generated after film layer burning also can be by porous tourmaline
Filter bulb absorption, so that one layer of barrier layer is more likely formed in foaming layer, it is further with the material for completely cutting off foaming layer and inside
It contacts and burns with air.
The present invention is further arranged to: the gluing liquid includes the component of following parts by weight:
By using above-mentioned technical proposal, gluing liquid first carries out prebake after being coated in foaming layer, so that adhesive layer
With certain solid shape, then hot repressing base fabric, when heated, the fiber in polyvinyl chloride and base fabric in adhesive layer into
Row combines, so that base fabric be combined with the film layer in release paper.
Compared with prior art, the beneficial effects of the present invention are:
1, by being added in the formula of layers of polyvinyl chloride films liquid, expanding foam solution and gluing liquid in the preparation process of artificial leather
Fire retardant matter with synergy, so that the flame retardant property of Artificial leather for luggage finished product gets a promotion；
2, by adding porous tourmaline filter bulb in promotor, so that the flame retardant effect of foaming layer is enhanced, and
Flue gas particle can be adsorbed when burning and forms barrier layer, further increase flame retardant effect.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
Below with reference to embodiment, the present invention will be described in detail.
Embodiment 1:
A kind of preparation process of artificial leather luggage leather disclosed by the invention, comprises the following steps that:
S1: preparing polyurethane coating liquid, by 100 parts of polyurethane powder, 30 parts of trimethylolpropane and 50 parts of acetone heating
It to liquid, then stirs evenly, then is coated in clean release paper, be then put into baking and curing in baking oven, obtain
One base；
S2: preparing high setting polyurethane coating solution, by 100 parts of high solid content polyurethane powder, 40 parts of dimethylformamide and
40 parts of butanone are heated to liquid, then stir evenly, and in re-coating to the first base, are then put into baking and curing in baking oven, obtain
To the second base；
S3: preparing layers of polyvinyl chloride films liquid, successively by 80 parts of polyvinyl chloride powder, 80 parts of plasticizer, 50 parts of filler material, steady
Determine 1 part of agent, 3 parts of colorant and 5 parts of fire retardant are heated to liquid, then stir evenly, in re-coating to the second base, be then put into
Baking and curing in baking oven, obtains face mask layer；
Wherein, fire retardant includes following components in percentage by weight:
S4: expanding foam solution is prepared, by 70 parts of polyvinyl chloride powder, 50 parts of plasticizer, 1 part of stabilizer, 6 parts of foaming agent, whole bubble
3 parts of agent, 160 parts of filler material, 12 parts of thinner, 8 parts of colorant, 5 parts of promotor be heated to liquid then be uniformly mixed, then
It is coated on face mask layer, is then put into baking and curing in baking oven, obtains foaming layer；
Wherein foaming agent includes following components in percentage by weight:
S5: preparing gluing liquid, by 80 parts of polyvinyl chloride powder, 80 parts of plasticizer, 1 part of stabilizer, 2 parts of foaming agent, filling
40 parts, 4 parts of antioxidant of material is heated to liquid, is then coated in foaming layer after mixing evenly, after 1~2mi of prebake n, then
Base fabric is bonded with foaming layer hot pressing, obtains semi-finished product；
S6: release paper is removed, and after being then surface modified to the semi-finished product artificial leather after removing, obtains finished synthetic
Leather.
Embodiment 2~5 the difference from embodiment 1 is that: each component is calculated by weight as following table in polyurethane coating liquid.
| Embodiment | Polyurethane powder | Trimethylolpropane | Acetone |
| Embodiment 2 | 105 | 32.5 | 12.5 |
| Embodiment 3 | 110 | 35 | 15 |
| Embodiment 4 | 115 | 37.5 | 17.5 |
| Embodiment 5 | 120 | 40 | 20 |
Embodiment 6~8 the difference from embodiment 1 is that: each component is calculated by weight as in high setting polyurethane coating solution
Following table.
Embodiment 10~13 the difference from embodiment 1 is that: each component is calculated by weight as down in vinyl chloride film layer liquid
Table.
Embodiment 14~21 the difference from embodiment 1 is that: each component is following table by weight percentage in fire retardant.
Embodiment 22~25 the difference from embodiment 1 is that: each component is calculated by weight as following table in expanding foam solution.
Embodiment 26~31 the difference from embodiment 1 is that: each component is calculated by weight as following table in promotor.
Embodiment 32~35 the difference from embodiment 1 is that: each component is calculated by weight as following table in gluing liquid.
Comparative example
Comparative example 1 the difference from embodiment 1 is that: fire retardant is not added in layers of polyvinyl chloride films liquid；
Comparative example 2 the difference from embodiment 1 is that: promotor is not added in expanding foam solution；
Comparative example 3 the difference from embodiment 1 is that: uncoated first base and the second base in release paper.
Detection method
Anti-flammability test
Using the measuring method of horizontal firing performance in QB/T2729-2005, test result is as follows.
Conclusion: by upper table it is known that embodiment 1 and comparative example 1 and the comparison of comparative example 2 it can be concluded that, in embodiment 1
Adding modified artificial leather horizontal firing speed by fire retardant is 0, and the artificial leather of fire retardant is not added in comparative example 1
Burning velocity is considerably more rapid, and the addition of promotor has the effect of reducing for artificial leather burning velocity in comparative example 2, so
Prove the addition of fire retardant so that the fire retardancy of artificial leather gets a promotion.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of preparation process of artificial leather luggage leather, it is characterised in that: comprise the following steps that:
S1: polyurethane coating liquid is prepared, then polyurethane coating liquid is coated in release paper, baking and curing, obtains the first base
Layer；
S2: preparing high setting polyurethane coating solution, high setting polyurethane coating solution is coated in the first base, baking and curing obtains
Second base；
S3: layers of polyvinyl chloride films liquid is prepared, layers of polyvinyl chloride films liquid is coated in the second base, baking and curing obtains facial mask
Layer；
S4: expanding foam solution is prepared, expanding foam solution is coated on face mask layer, foaming layer is obtained；
S5: preparing gluing liquid, after gluing liquid is coated in foaming layer, then base fabric is imprinted with foaming layer heating and is bonded, obtained
Semi-finished product；
S6: release paper is removed, and after being then surface modified to the semi-finished product artificial leather after removing, obtains finished synthetic's leather.
2. a kind of preparation process of artificial leather luggage leather according to claim 1, it is characterised in that: the polyurethane coating
Liquid includes the component of following parts by weight:
100~120 parts of polyurethane powder；
30~40 parts of trimethylolpropane；
10~20 parts of acetone.
3. a kind of preparation process of artificial leather luggage leather according to claim 1, it is characterised in that: the high setting polyurethane
Coating solution includes the component of following parts by weight:
100~120 parts of high solid content polyurethane powder；
40~60 parts of dimethylformamide；
10~20 parts of butanone.
4. a kind of preparation process of artificial leather luggage leather according to claim 1, it is characterised in that: the polychloroethylene film
Layer liquid includes the component of following parts by weight:
5. a kind of preparation process of artificial leather luggage leather according to claim 1, it is characterised in that: the fire retardant includes
Following components in percentage by weight:
6. a kind of preparation process of artificial leather luggage leather according to claim 1, it is characterised in that: the expanding foam solution includes
The component of following parts by weight:
7. a kind of preparation process of artificial leather luggage leather according to claim 1, it is characterised in that: the promotor includes
Following components in percentage by weight:
8. a kind of preparation process of artificial leather luggage leather according to claim 1, it is characterised in that: the gluing liquid includes
The component of following parts by weight:
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910692500.9A CN110453506A (en) | 2019-07-30 | 2019-07-30 | A kind of preparation process of artificial leather luggage leather |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910692500.9A CN110453506A (en) | 2019-07-30 | 2019-07-30 | A kind of preparation process of artificial leather luggage leather |
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Family
ID=68483919
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| CN106087438A (en) * | 2016-06-23 | 2016-11-09 | 福建宝利特科技股份有限公司 | A kind of environment-friendlyfoamed foamed artificial leather and preparation method thereof |
| CN107558246A (en) * | 2017-09-20 | 2018-01-09 | 安徽安利材料科技股份有限公司 | A kind of preparation method of PUR environmental protection composite polyurethane synthetic leather |
| CN109208341A (en) * | 2018-09-06 | 2019-01-15 | 福建隆上超纤有限公司 | A kind of preparation method of abrasion-resistance water polyurethane artificial leather |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010029008A (en) * | 1999-09-28 | 2001-04-06 | 현창순 | process for preparing polyurethane/polyvinylchloride synthetic leather |
| CN101713146A (en) * | 2008-10-07 | 2010-05-26 | 金发科技股份有限公司 | Material special for polyvinyl chloride textiles and preparation method thereof |
| CN102330359A (en) * | 2011-05-16 | 2012-01-25 | 福州福营塑胶制品有限公司 | Method for manufacturing high wear-resisting and high waterproof polyurethane artificial leather for safety and industrial costume |
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| CN104141238A (en) * | 2013-05-10 | 2014-11-12 | 昆山协孚人造皮有限公司 | High solid content polyurethane (PU) leather production method |
| CN103835144A (en) * | 2014-03-04 | 2014-06-04 | 合肥市科天化工有限公司 | Environmental-friendly and water-pressure-resistant tent leather and preparation method thereof |
| CN104592479A (en) * | 2015-01-20 | 2015-05-06 | 泉州泉港华博化工科技有限公司 | Waterborne polyurethane coating resin and preparation method thereof |
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| CN109208341A (en) * | 2018-09-06 | 2019-01-15 | 福建隆上超纤有限公司 | A kind of preparation method of abrasion-resistance water polyurethane artificial leather |
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Application publication date: 20191115 |