CN108035155A - A kind of imitation leather hair is compound to inhale the production method for spending artificial leather facing material - Google Patents
A kind of imitation leather hair is compound to inhale the production method for spending artificial leather facing material Download PDFInfo
- Publication number
- CN108035155A CN108035155A CN201711171343.4A CN201711171343A CN108035155A CN 108035155 A CN108035155 A CN 108035155A CN 201711171343 A CN201711171343 A CN 201711171343A CN 108035155 A CN108035155 A CN 108035155A
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- China
- Prior art keywords
- polyvinyl chloride
- compound
- hair
- artificial leather
- facing material
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- 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
- D06N3/0002—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
- D06N3/0009—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 knitted fabrics
-
- 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
- D06N3/0015—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 fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0036—Polyester fibres
-
- 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
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- 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
- D06N3/04—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 by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/06—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 by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2479/00—Furniture
-
- 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
- D06N2209/12—Permeability or impermeability properties
- D06N2209/121—Permeability to gases, adsorption
- D06N2209/123—Breathable
-
- 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
- D06N2209/1664—Releasability
-
- 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
- D06N2211/14—Furniture, upholstery
-
- 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 the production method that artificial leather facing material is spent in a kind of compound suction of imitation leather hair, in turn include the following steps：Choose base fabric；Polyvinyl chloride pulp is prepared, is coated to release liners and drying；Bonding slurry is prepared, is coated to polyvinyl chloride pulp；Superfine fibre fabric is fitted by being bonded slurry with polyvinyl chloride pulp；Separate release liners；Imitative velveteen is mutually compound by hot melt adhesive and polyvinyl chloride；Rub line processing；Inhale flower processing.A kind of involved imitation leather hair of invention is compound to inhale flower artificial leather fabric plus material producing method, it is mainly used for improving the environmental-protecting performance of the family property fabrics such as sofa, seat, really realize the raw material using nonhazardous, and simple production process, production cost is relatively low, in the production process of artificial leather facing material is spent in the compound suction of whole imitation leather hair, to the of reduced contamination of environment, the leather bonds produced are good, service life is grown, and possesses flexibility, plumpness and the solid sense and the ventilative of fabrics fabric, the comfort of pro-skin of corium.
Description
Technical field
The present invention relates to imitation leather hair artificial leather production technical field, artificial leather facing material is spent in especially a kind of compound suction of imitation leather hair
Production method.
Background technology
Existing sofa makees fabric with artificial leather fabric with PU or PVC, the raw material used in production process contain formaldehyde,
The toxic solvent such as DMF and toxic heavy metal, can not thoroughly remove, long when use and human skin close contact
Time is using can cause flush, itch, allergy, or even slow poisoning, with the presence of carcinogenic equivalent risk.Although in terms of appearance
Skin emulation effect is accomplished, but gas permeability and pliability, sense of touch, texture etc. do not reach the effect of corium, more relaxing without fabrics
Suitable pro-skin sense.
The content of the invention
The object of the present invention is to provide the production method that artificial leather facing material is spent in a kind of compound suction of imitation leather hair, one kind can be produced
Environmental protection, without toxic solvent, heavy metal, there is the sofa fabric of the texture of corium and the sense of touch of fabrics.
In order to solve the above technical problems, the object of the present invention is achieved like this：
A kind of imitation leather hair according to the present invention is compound to inhale the production method for spending artificial leather facing material, it is characterised in that includes successively
Following steps：
Step（1）, choose superfine fibre fabric as base fabric；
Step（2）, prepare polyvinyl chloride pulp, and be dried after polyvinyl chloride pulp is coated to release liners surface；
Step（3）, will bonding slurry coat to dried polyvinyl chloride pulp；
Step（4）, superfine fibre fabric fitted by being bonded slurry and polyvinyl chloride pulp；
Step（5）, release liners are separated；
Step（6）, by imitative velveteen by hot melt adhesive and polyvinyl chloride pulp will be mutually compound；
Step（7）, by step（6）Obtained composite material carries out rubbing line processing；
Step（8）, to step（7）Obtained composite material carries out inhaling colored processing in superfine fibre precoat.
As a further illustration of the above scheme, the step（2）In polyvinyl chloride pulp include following weight parts
Raw material：100 parts of Corvic, 80 parts of plasticizer, 60 parts of filler, 3 parts of foaming agent, 5 parts of stabilizer, 10 parts of color, and
The viscosity of polyvinyl chloride pulp is adjusted to 1000cps-2000cps.
As a further illustration of the above scheme, the superfine fibre fabric is knitted fabric one side for dacron ultrafine fiber
Obtained by being handled through fluffing.
As a further illustration of the above scheme, the thickness of the superfine fibre fabric is 0.4mm.
As a further illustration of the above scheme, step（2）Described in polyvinyl chloride pulp drying after thickness be
0.25mm。
As a further illustration of the above scheme, step（6）The imitative velveteen imitates velveteen for single side, and the grammes per square metre scope is
150-220g/m2。
The beneficial effects of the invention are as follows：Artificial leather facing material producer is spent in the compound suction of a kind of imitation leather hair according to the present invention
Method, is mainly used for improving the environmental-protecting performance of the family property fabrics such as sofa, seat, really realizes the raw material using nonhazardous, and
Simple production process, production cost is relatively low, in the production process of artificial leather facing material is spent in the compound suction of whole imitation leather hair, to environment
Of reduced contamination, the leather bonds produced are good, and service life length, possesses the flexibility, plumpness and solid sense of corium
With the ventilative of fabrics fabric, the comfort of pro-skin.
Embodiment
With reference to specific embodiment, the present invention is further described.
In the present invention, if not refering in particular to, all percentages are unit of weight, and all devices and raw material can be purchased from market
Obtain or the industry is common, the method in following embodiments, is this area conventional method unless otherwise instructed.
Embodiment
The production method of artificial leather facing material is spent in the compound suction of a kind of imitation leather hair involved by the present embodiment, includes following step successively
Suddenly：
Step（1）, choose superfluorescent fiber fabric as base fabric.Selected superfine fibre fabric is dacron ultrafine fiber knitted side
Material, and wildness processing is carried out to the knitting fabric side.So that superfine fibre web surface has velvet.Due to superfine fibre
Fabric is made through knitting, knitting fabric compared with woven fabric more soft comfortable, good permeability the advantages that.
Step（2）, prepare polyvinyl chloride pulp, and be dried after polyvinyl chloride pulp is coated to release liners surface.
Polyvinyl chloride pulp is prepared in slurry preparation room, which includes the raw material of following mass parts：Corvic
100 parts, 80 parts of plasticizer, 60 parts of filler, 3 parts of foaming agent, 5 parts of stabilizer, 10 parts of color.Above-mentioned raw materials are mixed equal
It is even, and the viscosity of polyvinyl chloride pulp is adjusted to 1000cps-2000cps.Adjust to the viscosity and may be such that the polyvinyl chloride
It is more easy when slurry is coated to release liners.Involved in the present embodiment plasticizer, filler, foaming agent, stabilizer
And color can commercially buy gained, existing plasticizer, filler, foaming agent, stabilizer and color can make
With.Polyvinyl chloride pulp is coated to being to use dry coating device in release liners, dry coating device is at the uniform velocity transported with 18m/min
OK, dried after polyvinyl chloride pulp is coated to release liners at a temperature of 180 DEG C, the thickness of polyvinyl chloride pulp after drying
Spend for 0.25mm.
Step（3）, when the polyvinyl chloride pulp coated by previous step is cooled to 3-5 DEG C, will bonding slurry coat to
On dried polyvinyl chloride pulp.Bonding slurry is water-based polyvinyl chloride binding paste, is obtained for outsourcing.
Step（4）, superfine fibre fabric fitted by being bonded slurry and polyvinyl chloride pulp.Superfine fibre fabric leads to
When crossing bonding slurry and being bonded with polyvinyl chloride pulp, used pressure is 0.5kg, and is dried at a temperature of 140 DEG C
It is dry.
Step（5）, release liners are separated.Treat above-mentioned steps（4）When resulting semi-finished product are cooled to 3-5 DEG C, by release liners
Separation, and superfine fibre fabric and polyvinyl chloride pulp composite material are subjected to clot, it is separated go out release liners also beaten
Volume.
Step（6）, imitative velveteen it is mutually compound by polyurethane hot melt and polyvinyl chloride.In this step first by polyurethane heat
Melten gel heats fusing under the conditions of 120 DEG C, coats to the another side of the pvc slurry bed of material.The smooth surface of imitative velveteen is passed through again
Polyurethane hot melt is bonded with polyvinyl chloride pulp, and the speed of fitting is 25m/min.Selected imitative cotton in this step
Suede imitates velveteen for single side, simultaneously has velvet by processing, and another side is unprocessed for smooth surface.Selected single side imitates velveteen
Grammes per square metre is 150-220g/m2, be preferably 180g/m in the present embodiment2。
Step（7）, by step（6）Obtained composite material carries out rubbing line processing.Fabric after will be compound is in continuity
Carry out rubbing line processing on boarding machine, treatment temperature is 90 DEG C, and air quantity when rubbing line processing is 45%, processing speed 9m/min.
Fabric after compound can be rubbed line and handles to soft by above-mentioned rub under line treatment conditions.
Step（8）, to step（7）Obtained composite material carries out inhaling colored processing in superfine fibre precoat.By step
（7）Obtained composite material inhales flower machine by vacuum and carries out inhaling colored processing, and suction flower processing may be such that the table of superfine fibre layer
Face has designed flower pattern.
By above-mentioned steps, it can obtain a kind of compound suction of imitation leather hair and spend artificial leather facing material, which includes one layer of ultra-fine fibre
Tie up fabric, one layer of polyvinyl chloride pulp, one layer of bonding pulp layer, one layer of single side velveteen and one layer of polyurethane hot melt.
Preferred embodiment of the invention described in detail above.It should be appreciated that those of ordinary skill in the art without
Need creative work to conceive according to the present invention and make many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (6)
1. a kind of imitation leather hair is compound to inhale the production method for spending artificial leather facing material, it is characterised in that in turn includes the following steps：
Step（1）, choose superfine fibre fabric as base fabric；
Step（2）, prepare polyvinyl chloride pulp, and be dried after polyvinyl chloride pulp is coated to release liners surface；
Step（3）, will bonding slurry coat to dried polyvinyl chloride pulp；
Step（4）, superfine fibre fabric fitted by being bonded slurry and polyvinyl chloride pulp；
Step（5）, release liners are separated；
Step（6）, imitative velveteen is mutually compound by hot melt adhesive and polyvinyl chloride pulp；
Step（7）, by step（6）Obtained composite material carries out rubbing line processing；
Step（8）, to step（7）Obtained composite material carries out inhaling colored processing in superfine fibre precoat.
2. imitation leather hair as claimed in claim 1 is compound to inhale the production method for spending artificial leather facing material, it is characterised in that the step
（2）In polyvinyl chloride pulp include the raw materials of following weight parts：100 parts of Corvic, 80 parts of plasticizer, filler 60
Part, 3 parts of foaming agent, 5 parts of stabilizer, 10 parts of color, and the viscosity of polyvinyl chloride pulp is adjusted to 1000cps-2000cps.
3. imitation leather hair as claimed in claim 1 is compound to inhale the production method for spending artificial leather facing material, it is characterised in that described is super
Obtained by fine fibre fabric is handled for dacron ultrafine fiber knitting fabric one side through fluffing.
4. the production method of artificial leather facing material is spent in the compound suction of imitation leather hair as described in claim 1 or 3, it is characterised in that described
The thickness of superfine fibre fabric be 0.4mm.
5. imitation leather hair as claimed in claim 1 is compound to inhale the production method for spending artificial leather facing material, it is characterised in that step（2）
Described in polyvinyl chloride pulp drying after thickness be 0.25mm.
6. imitation leather hair as claimed in claim 1 is compound to inhale the production method for spending artificial leather facing material, it is characterised in that step（6）
The imitative velveteen imitates velveteen, the grammes per square metre scope 150-220g/m for single side2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171343.4A CN108035155A (en) | 2017-11-22 | 2017-11-22 | A kind of imitation leather hair is compound to inhale the production method for spending artificial leather facing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171343.4A CN108035155A (en) | 2017-11-22 | 2017-11-22 | A kind of imitation leather hair is compound to inhale the production method for spending artificial leather facing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108035155A true CN108035155A (en) | 2018-05-15 |
Family
ID=62093489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711171343.4A Pending CN108035155A (en) | 2017-11-22 | 2017-11-22 | A kind of imitation leather hair is compound to inhale the production method for spending artificial leather facing material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108035155A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951183A (en) * | 2018-07-13 | 2018-12-07 | 桐乡市龙翔纺织有限责任公司 | A kind of production technology of environment-friendlyultra-soft ultra-soft artificial leather shell material |
| CN108973302A (en) * | 2018-07-13 | 2018-12-11 | 桐乡市龙翔纺织有限责任公司 | High-grade sofa decoration fabric production technology is spent in a kind of suction of vacuum |
-
2017
- 2017-11-22 CN CN201711171343.4A patent/CN108035155A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951183A (en) * | 2018-07-13 | 2018-12-07 | 桐乡市龙翔纺织有限责任公司 | A kind of production technology of environment-friendlyultra-soft ultra-soft artificial leather shell material |
| CN108973302A (en) * | 2018-07-13 | 2018-12-11 | 桐乡市龙翔纺织有限责任公司 | High-grade sofa decoration fabric production technology is spent in a kind of suction of vacuum |
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Application publication date: 20180515 |