CN114673011A - Cloth-faced stationery leather and preparation method thereof - Google Patents
Cloth-faced stationery leather and preparation method thereof Download PDFInfo
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- CN114673011A CN114673011A CN202111551458.2A CN202111551458A CN114673011A CN 114673011 A CN114673011 A CN 114673011A CN 202111551458 A CN202111551458 A CN 202111551458A CN 114673011 A CN114673011 A CN 114673011A
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- leather
- stationery
- mass
- fiber
- cloth cover
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- 239000010985 leather Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000004744 fabric Substances 0.000 claims abstract description 39
- 239000000835 fiber Substances 0.000 claims abstract description 26
- 229920000742 Cotton Polymers 0.000 claims abstract description 24
- 229920004933 Terylene® Polymers 0.000 claims abstract description 22
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000004132 cross linking Methods 0.000 claims abstract description 10
- 229920005749 polyurethane resin Polymers 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 229920000728 polyester Polymers 0.000 claims abstract description 8
- 239000004814 polyurethane Substances 0.000 claims abstract description 7
- 229920002635 polyurethane Polymers 0.000 claims abstract description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 230000003449 preventive effect Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000009987 spinning Methods 0.000 claims description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003431 cross linking reagent Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 6
- 238000004880 explosion Methods 0.000 claims description 4
- 125000000524 functional group Chemical group 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- 239000002649 leather substitute Substances 0.000 abstract description 10
- 238000009941 weaving Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004597 plastic additive Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000000007 visual effect Effects 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
-
- 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
-
- 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
- D06N3/0056—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
-
- 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
- D06N3/0065—Organic pigments, e.g. dyes, brighteners
-
- 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
- D06N2209/1642—Hardnes
-
- 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
- D06N2209/1671—Resistance to bacteria, mildew, mould, fungi
-
- 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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses cloth cover stationery leather and a preparation method thereof, belonging to the technical field of synthetic leather, and the cloth cover stationery leather comprises: the base cloth layer is formed by blending polyester and cotton fibers, the mass ratio of the polyester to the cotton fibers is 1.5:1, and the diameter of the cotton fibers is smaller than that of the polyester; the resin layer main agent is water-based polyurethane, and base cloth is obtained after blending, fiber separation, weaving and crosslinking; the diameter of the selected cotton fiber is smaller than that of the terylene, then the cotton fiber and the terylene are co-spun by a wet method, so that the cotton fiber is coated outside the terylene, then the prepared cotton/terylene blended fiber is subjected to fiber separation treatment, a large amount of soft fiber separation increases the combination degree of a cloth base and a resin layer, the aqueous polyurethane resin is adopted as a main agent of the resin layer, and the polyurethane ensures the mechanical property of a finished product.
Description
Technical Field
The invention belongs to the technical field of synthetic leather, and particularly relates to cloth cover stationery leather and a preparation method thereof.
Background
The natural leather is a used material with certain performance obtained by treating animal epidermis, and with the progress of times and the development of environmental protection requirements, the demand of leather products is not limited to leather. Various simulation products have been available to replace part of the genuine leather products. Artificial leather is a plastic product that looks and feels like leather and can replace it. Usually, the fabric is used as a substrate and coated with synthetic resin and various plastic additives. Mainly comprises three types of PVC artificial leather, PU artificial leather and PU synthetic leather. The production method of the artificial leather comprises the following steps: comprises the working procedures of base cloth treatment, sizing material preparation, coating, bonding, gelation, surface treatment, embossing, cooling, coiling and the like. With the progress of the technical level of the leather industry, the touch feeling, the visual fullness and the air permeability of the artificial leather also achieve the effect of real leather. Different requirements are also placed on synthetic leather applied in different scenes. The artificial leather for stationery is mainly used for decoration or packaging of various stationery, has the requirements of softness, good touch feeling and the like, but uses an organic solvent in a plurality of production processes at present, so that the environmental protection does not reach the standard.
Disclosure of Invention
The invention provides cloth cover stationery leather and a preparation method thereof, the prepared stationery leather has the characteristics of softness and good touch, and the preparation process is environment-friendly.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a cloth cover stationery leather comprises: the base cloth layer is formed by blending polyester fibers and cotton fibers, and the main agent of the resin layer is waterborne polyurethane.
The diameter of the terylene is 20-30um, and the diameter of the cotton fiber is 15-20 um; the mass ratio of the terylene to the cotton fiber is 1.5: 1;
the resin layer comprises the following components in parts by mass:
80-100 parts of waterborne polyurethane resin, 2-5 parts of flatting agent, 0.3-0.8 part of mildew preventive, 0.5-0.8 part of flame retardant, 0.3-0.8 part of mildew preventive, 0.5-0.8 part of oil stain prevention auxiliary agent and 0.8-1 part of cross-linking agent;
the aqueous polyurethane resin is cationic polyurethane resin;
the resin layer can be added with an auxiliary agent for adjusting color and an auxiliary agent for softening hand feeling according to actual needs.
A preparation method of cloth cover stationery leather comprises the following steps:
step 1: carrying out wet co-spinning on cotton fibers with the diameter of 15-20 microns and terylene with the diameter of 20-30 microns according to the mass ratio of 1: 1.5;
step 2: carrying out steam explosion fiber separation on the blended material obtained in the step (1);
and step 3: processing the split fiber after re-spinning to obtain base cloth;
and 4, step 4: taking 80-100 parts by mass of waterborne polyurethane resin, 2-5 parts by mass of a leveling agent, 0.3-0.8 part by mass of a mildew preventive, 0.5-0.8 part by mass of a flame retardant, 0.3-0.8 part by mass of a mildew preventive, 0.5-0.8 part by mass of an oil stain prevention auxiliary agent and 0.8-1 part by mass of a crosslinking agent, dissolving in 60-80 parts by mass of a solvent, and uniformly mixing to obtain a resin layer coating;
And 5: and (5) coating the resin layer coating obtained in the step (4) on the surface of the base cloth obtained in the step (3), and drying to obtain the finished leather.
In the above steps, the terylene contains self-crosslinking functional groups, and the diameter of the cotton fiber is smaller than that of the terylene;
the specific process of the step 2 is as follows: maintaining temperature 175oC. Pressurizing and heating at 0.7-0.8 MPa for 60 min, releasing steam within 5 min, and repeating the pressurizing and heating and steam releasing process several times to obtain small size fiber;
and 3, the treatment process after spinning comprises the following steps: drying the spun blend fiber at 80 ℃ to enable the terylene to generate self-crosslinking reaction to form a film, thereby improving the performance of the base cloth;
after the resin layer in the step 5 is dried, corresponding pattern making treatment can be carried out as required;
in the step 4, an auxiliary agent for adjusting color and an auxiliary agent for softening hand feeling can be added according to actual needs, so that the appearance and the comfort of the leather are improved.
Has the beneficial effects that: the invention provides cloth cover stationery leather and a preparation method thereof, wherein cotton/polyester blended fibers are used as base cloth, and the base cloth is obtained through blending, fiber separation, weaving and crosslinking; the diameter of the selected cotton fiber is smaller than that of the terylene, then the cotton fiber and the terylene are co-spun by a wet method, so that the cotton fiber is coated outside the terylene, then the prepared cotton/terylene blended fiber is subjected to fiber separation treatment, the combination degree of a cloth base and a resin layer is increased by a large amount of soft fiber separation, the aqueous polyurethane resin is used as a resin layer main agent, and the polyurethane ensures the mechanical property of a finished product. According to the invention, an auxiliary agent for adjusting color and an auxiliary agent for softening handfeel can be added according to actual needs, so that the appearance and comfort of the yacht leather are improved; the leather provided by the invention not only meets the wear-resistant, soft, mildew-proof and antibacterial properties of the stationery leather, but also meets the environmental protection requirements.
Detailed Description
The invention is described in detail below with reference to specific examples:
the finished leather obtained by the method is subjected to performance test, the hand feeling is soft and comfortable, the oil stain resistance test and the mildew-proof antibacterial test are both passed, the wear resistance and the scratch resistance are tested by adopting a 0096Z-SEC-A000 test method, and the test result shows that the wear resistance (1000 times) reaches level 4 and the scratch resistance reaches level 4.
Example 2
A cloth cover stationery leather and a preparation method thereof comprise the following steps:
step 1: carrying out wet co-spinning on cotton fibers with the diameter of 20 microns and terylene with the diameter of 30 microns and containing self-crosslinking functional groups according to the mass ratio of 1: 1.5;
step 2: carrying out steam explosion fiber separation on the blended material obtained in the step 1, and keeping the temperature at 175 DEGoC. Pressurizing and heating at the pressure of 0.8MPa for 60 minutes, releasing steam within 5 minutes, and repeating the pressurizing and heating and steam releasing process for several times to obtain small-size fibers;
and step 3: after the fiber is subjected to splitting, the fiber blend is dried at 80 ℃, so that the terylene generates self-crosslinking reaction to form a film, and the performance of the base cloth is improved;
and 4, step 4: dissolving 90 parts by mass of waterborne polyurethane resin, 4 parts by mass of a leveling agent, 0.5 part by mass of a mildew preventive, 0.6 part by mass of a flame retardant, 0.6 part by mass of the mildew preventive, 0.5 part by mass of an oil stain prevention auxiliary agent, 0.8 part by mass of a crosslinking agent and 0.8 part by mass of a soft-touch auxiliary agent in 80 parts by mass of a solvent, and uniformly mixing to obtain a resin layer coating;
And 5: and (4) coating the resin layer coating obtained in the step (4) on the surface of the base cloth obtained in the step (3), and drying to obtain the finished leather.
The obtained finished leather is subjected to performance test, the hand feeling is soft and comfortable, the oil stain resistance test and the mildew-proof antibacterial test are both passed, the wear resistance and the scratch resistance are tested by adopting a 0096Z-SEC-A000 test method, and the test result shows that the wear resistance (1000 times) reaches level 4 and the scratch resistance reaches level 4.
Example 3
A cloth cover stationery leather and a preparation method thereof comprise the following steps:
step 1: carrying out wet co-spinning on cotton fibers with the diameter of 18 mu m and terylene with the diameter of 30 mu m and containing self-crosslinking functional groups according to the mass ratio of 1: 1.5;
step 2: carrying out steam explosion fiber separation on the blended material obtained in the step 1, and keeping the temperature at 175 DEGoC. Pressurizing and heating at the pressure of 0.8MPa for 60 minutes, releasing steam within 5 minutes, and repeating the pressurizing and heating and steam releasing process for several times to obtain small-size fibers;
and step 3: after the fiber is subjected to splitting, the fiber blend is dried at 80 ℃, so that the terylene generates self-crosslinking reaction to form a film, and the performance of the base cloth is improved;
and 4, step 4: dissolving 100 parts by mass of waterborne polyurethane resin, 5 parts by mass of a leveling agent, 0.8 part by mass of a mildew preventive, 0.8 part by mass of a flame retardant, 0.8 part by mass of the mildew preventive, 0.8 part by mass of an oil stain prevention auxiliary agent, 1 part by mass of a crosslinking agent and 1 part by mass of a soft hand feeling auxiliary agent in 80 parts by mass of a solvent, and uniformly mixing to obtain a resin layer coating;
And 5: and (4) coating the resin layer coating obtained in the step (4) on the surface of the base cloth obtained in the step (3), and drying to obtain the finished leather.
Although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. A cloth cover stationery leather is characterized by comprising: the base cloth layer is formed by blending polyester and cotton fibers, the mass ratio of the polyester to the cotton fibers is 1.5:1, and the diameter of the cotton fibers is smaller than that of the polyester; the main agent of the resin layer is waterborne polyurethane.
2. The cloth cover stationery leather according to claim 1, wherein the diameter of the terylene is 20-30um, and the diameter of the cotton fiber is 15-20 um.
3. The cloth cover stationery leather according to claim 1 or 2, characterized in that the terylene comprises self-crosslinking functional groups.
4. The cloth cover stationery leather according to claim 1, wherein the resin layer comprises the following components in parts by mass: 80-100 parts of waterborne polyurethane resin, 2-5 parts of flatting agent, 0.3-0.8 part of mildew preventive, 0.5-0.8 part of flame retardant, 0.3-0.8 part of mildew preventive, 0.5-0.8 part of oil stain prevention auxiliary agent and 0.8-1 part of cross-linking agent.
5. The cloth cover stationery leather according to claim 1 or 4, wherein an auxiliary agent for adjusting color and an auxiliary agent for softening hand feeling can be added into the resin layer according to actual needs.
6. The cloth cover stationery leather and the preparation method thereof are characterized by comprising the following steps:
step 1: carrying out wet co-spinning on cotton fibers with the diameter of 15-20 microns and terylene with the diameter of 20-30 microns according to the mass ratio of 1: 1.5;
step 2: carrying out steam explosion fiber separation on the blended material obtained in the step (1);
and step 3: processing the split fiber after re-spinning to obtain base cloth;
and 4, step 4: taking 80-100 parts by mass of waterborne polyurethane resin, 2-5 parts by mass of a leveling agent, 0.3-0.8 part by mass of a mildew preventive, 0.5-0.8 part by mass of a flame retardant, 0.3-0.8 part by mass of a mildew preventive, 0.5-0.8 part by mass of an oil stain prevention auxiliary agent and 0.8-1 part by mass of a crosslinking agent, dissolving in 60-80 parts by mass of a solvent, and uniformly mixing to obtain a resin layer coating;
and 5: and (4) coating the resin layer coating obtained in the step (4) on the surface of the base cloth obtained in the step (3), and drying to obtain the finished leather.
7. The method of claim 6The cloth cover stationery leather and the preparation method thereof are characterized in that the specific process of the step 2 is as follows: maintaining temperature 175oC. Pressurizing and heating at 0.7-0.8 MPa for 60 min, releasing steam in 5 min, and repeating the pressurizing and heating and steam releasing process several times to obtain small size fiber.
8. The cloth cover stationery leather and the preparation method thereof according to claim 6, wherein the treatment process after the spinning in the step 3 is as follows: and drying the spun blend fiber at 80 ℃ to enable the terylene to generate self-crosslinking reaction to form a film, thereby improving the performance of the base cloth.
9. The cloth cover stationery leather and the preparation method thereof according to claim 6, wherein an auxiliary agent for adjusting color and an auxiliary agent for softening hand feeling can be added according to actual needs in the step 4, so that the appearance and comfort of the leather are improved.
10. The cloth cover stationery leather and the preparation method thereof according to claim 6, characterized in that the resin layer in the step 5 can be correspondingly textured as required after being dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111551458.2A CN114673011A (en) | 2021-12-17 | 2021-12-17 | Cloth-faced stationery leather and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111551458.2A CN114673011A (en) | 2021-12-17 | 2021-12-17 | Cloth-faced stationery leather and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114673011A true CN114673011A (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111551458.2A Pending CN114673011A (en) | 2021-12-17 | 2021-12-17 | Cloth-faced stationery leather and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114673011A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811529A (en) * | 2021-01-13 | 2021-05-18 | 中科院过程工程研究所南京绿色制造产业创新研究院 | Graphene-based heterogeneous electrocatalytic cathode and preparation method and application thereof |
| CN113089334A (en) * | 2021-04-07 | 2021-07-09 | 何立梅 | Soft and wear-resistant artificial leather and preparation method thereof |
-
2021
- 2021-12-17 CN CN202111551458.2A patent/CN114673011A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811529A (en) * | 2021-01-13 | 2021-05-18 | 中科院过程工程研究所南京绿色制造产业创新研究院 | Graphene-based heterogeneous electrocatalytic cathode and preparation method and application thereof |
| CN113089334A (en) * | 2021-04-07 | 2021-07-09 | 何立梅 | Soft and wear-resistant artificial leather and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 水佑人等: "《维尼纶制造工艺》", vol. 1, 中国财政经济出版社, pages: 368 - 369 * |
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