CN118461333A - Preparation method of water-based environment-friendly mirror leather - Google Patents
Preparation method of water-based environment-friendly mirror leather Download PDFInfo
- Publication number
- CN118461333A CN118461333A CN202410932559.1A CN202410932559A CN118461333A CN 118461333 A CN118461333 A CN 118461333A CN 202410932559 A CN202410932559 A CN 202410932559A CN 118461333 A CN118461333 A CN 118461333A
- Authority
- CN
- China
- Prior art keywords
- water
- solvent
- resin
- free
- mirror
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- D06N3/18—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
- D06N3/183—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 the layers are one next to the other
-
- 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
- D06N3/12—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
-
- 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
- D06N2209/08—Properties of the materials having optical properties
- D06N2209/0861—Transparent
-
- 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
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses a preparation method of water-based environment-friendly mirror leather, which comprises the following steps: coating a water-based surface layer, a water-based intermediate layer and a solvent-free bottom layer on a mirror surface of the release film in sequence, wherein the coated water-based surface layer, water-based intermediate layer and solvent-free bottom layer are a dry surface layer, a dry intermediate layer and a dry bottom layer in sequence; drying the solvent-free bottom layer at 130 ℃ for 1.5-2 minutes, and attaching base cloth on the bottom layer; after lamination, drying at high temperature and rolling; after curing for 24 hours at normal temperature, separating mirror leather and a release film by using a stripping paper inspection machine; the preparation method of the water-based environment-friendly mirror leather is a one-step release film transfer film method, has high preparation efficiency, does not add any solvent in the whole preparation process, and is a solvent-free water-based environment-friendly mirror leather; the surface layer adopts aliphatic polyether anion resin, has good transparent feeling and bending resistance, excellent performance, no foaming of solvent-free mirror resin, strong transparent feeling, excellent bending, glass transition temperature Tg less than or equal to-15 ℃, and bright mirror leather luster.
Description
Technical Field
The invention relates to the field of mirror leather, in particular to a preparation method of water-based environment-friendly mirror leather.
Background
The outer surface of the mirror leather is smooth and transparent, the pattern is attractive, the mirror leather is an important raw material for leather shoes and leather clothing, the existing mirror leather needs to use solvents in the preparation process, the solvents volatilize to pollute the environment, the working environment is poor, and the physical health of workers is easily affected.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a preparation method of water-based environment-friendly mirror leather, which aims to solve the problems in the prior art.
The invention provides the following technical scheme:
The preparation method of the water-based environment-friendly mirror leather comprises the following steps of:
(1) The surface layer is made of aliphatic polyether anion resin with the modulus of 70-100KPa and the solid content of 20% -40%, and the aliphatic polyether anion resin has good penetration and bending resistance and excellent performance; adding 0.5-1.5 weight percent of flatting agent, 0.5-1.5 weight percent of thickener and 2-10 weight percent of color paste into the resin, wherein the flatting agent has higher compatibility with the resin, and uniformly mixing to obtain a water-based surface layer;
(2) The middle layer is aliphatic polyester polyether resin with modulus of 30-50KPa and solid content of 20% -40%, the aliphatic polyester polyether resin has lower glass transition temperature, tg is-30 ℃, and the resin has good cohesiveness with solvent-free resin; adding 0.5-1.5 parts of flatting agent, 0.5-1.5 parts of thickening agent and 2-10 parts of color paste according to the weight percentage of resin, and uniformly mixing to obtain a water-based intermediate layer;
(3) The bottom layer is solvent-free mirror resin with the modulus of 70-100KPa, the solvent-free mirror resin is not foamed, the penetration is strong, the bending is excellent, and the glass transition temperature Tg is less than or equal to-15 ℃; the solvent-free mirror resin comprises solvent-free resin A and solvent-free resin B, and an auxiliary agent a0.2 and an auxiliary agent B0.05 are added according to the proportion of the solvent-free resin A100 and the solvent-free resin B100 and are uniformly mixed to obtain a solvent-free bottom layer;
(4) Coating a water-based surface layer, a water-based intermediate layer and a solvent-free bottom layer on a mirror surface of the release film in sequence, wherein the coated water-based surface layer, water-based intermediate layer and solvent-free bottom layer are a dry surface layer, a dry intermediate layer and a dry bottom layer in sequence;
(5) Drying at 130 ℃ for 1.5-2 minutes, and attaching base cloth on the bottom layer;
(6) After lamination, drying at high temperature, rolling, and peeling off;
(7) And (3) after curing for 24H at normal temperature, separating the mirror leather and the release film by using a stripping paper inspection machine.
The viscosity of the aqueous surface layer in the step (1) is regulated to 500-1500CPS.
The leveling agent, the thickener and the color paste in the step (2) have small VOC, the VOC is required to be less than 50PPM, the VOC is a volatile organic compound, the amount of the VOC is reduced, and the environment-friendly and healthy home furnishing is facilitated.
The viscosity of the aqueous interlayer in the step (2) is regulated to 500-1500CPS.
The solvent-free resin A in the step (3) is polyether polyol resin or polyester polyol resin; the solvent-free resin B is isocyanate prepolymer resin.
The solvent-free mirror resin in the step (3) adopts an online solvent-free casting machine, the online solvent-free casting machine can automatically and randomly feed materials, heating can be automatically stopped when the specified temperature is reached, the mixing is uniform, and the production efficiency is high.
The coating weights of the aqueous surface layer, the aqueous middle layer and the aqueous bottom layer in the step (4) are respectively 50-100g/m 2、70-130g/m2 and 250-350g/m 2.
And (3) sequentially carrying out gradient drying on the aqueous surface layer and the aqueous intermediate layer after coating, wherein the temperature of the gradient drying is 80-100 ℃ and the temperature gradient is 10 ℃.
The base fabric in the step (5) is woven fabric, knitted fabric or non-woven fabric.
The high-temperature drying time in the step (6) is 5-10 minutes, and the high-temperature drying temperature is 140 ℃.
The invention has the technical effects and advantages that:
1. the preparation method of the water-based environment-friendly mirror leather is a one-step release film transfer film method, has high preparation efficiency, does not add any solvent in the whole preparation process, and is the water-based environment-friendly mirror leather without solvent.
2. The surface layer adopts aliphatic polyether anion resin, has good transparent feeling and bending resistance, excellent performance, no foaming of solvent-free mirror resin, strong transparent feeling, excellent bending, glass transition temperature Tg less than or equal to-15 ℃, and bright mirror leather luster.
Drawings
FIG. 1 is a schematic structural diagram of a method for preparing an aqueous environment-friendly mirror leather.
FIG. 2 is a first preparation flow chart of a preparation method of an aqueous environment-friendly mirror leather.
FIG. 3 is a second preparation flow chart of a method for preparing an aqueous environmentally friendly mirror leather.
Detailed Description
As shown in fig. 2, in the preparation process of the water-based environment-friendly mirror leather, a water-based surface layer, a water-based middle layer and a solvent-free bottom layer are sequentially coated on a release film, the water-based surface layer and the water-based middle layer are sequentially subjected to gradient drying after being coated, the solvent-free bottom layer is dried at 130 ℃ for 1.5-2 minutes after being coated, a base cloth is attached, and the semi-finished mirror leather is obtained through high-temperature drying and winding.
As shown in FIG. 1, the semi-finished mirror leather at this time is sequentially provided with a release film, a dry surface layer, a dry middle layer, a dry bottom layer and base cloth from top to bottom.
As shown in fig. 3, after the semi-finished mirror leather is cured for 24H at normal temperature, the semi-finished mirror leather is rolled into a peeling paper inspection machine to separate the mirror leather from the release film, and the water-based environment-friendly mirror leather is manufactured.
The outer surface of the water-based mirror leather is smooth, has high glossiness and can show mirror-like effect. The modulus of a resin is a physical quantity that measures the ability of a resin material to resist deformation when subjected to a force. In order to achieve the mirror effect of mirror leather and the transparent feel of the surface layer, a resin material of a suitable modulus range was selected for multiple tests.
The modulus of the aliphatic polyether anion resin of the surface layer is 70-100KPA, the modulus of the aliphatic polyester polyether resin of the middle layer is 30-50KPA, the modulus of the solvent-free mirror surface resin of the bottom layer is 70-100KPA, and the crease-free mirror surface effect can be realized only by the resin with the modulus in the above range; in particular, the glass transition temperature Tg of the resin is less than or equal to-15 ℃, the key index of tortuosity is definitely regulated, and the key index modulus of the mirror leather effect and physical properties and the glass transition temperature are effectively combined.
Example 1
The preparation method of the water-based environment-friendly mirror leather comprises the following steps of:
(1) The surface layer is an aliphatic polyether anion resin with the modulus of 100KPa and the solid content of 40%, and a leveling agent 1, a thickening agent 1 and a color paste 3 are added according to the weight percentage of the resin and uniformly mixed to obtain a water-based surface layer;
(2) The middle layer is aliphatic polyester polyether resin with the modulus of 30KPa and the solid content of 40%, and 0.5 of flatting agent, 1.5 of thickening agent and 5 of color paste are added according to the weight percentage of the resin, and the mixture is uniformly mixed to obtain the water-based middle layer;
(3) The bottom layer is solvent-free mirror resin with the modulus of 70KPa, and the auxiliary agent a0.2 and the auxiliary agent b0.05 are added according to the proportion of the polyester polyol resin 100 and the isocyanate prepolymer resin 100 and are uniformly mixed to obtain the solvent-free bottom layer;
(4) Coating a water-based surface layer, a water-based middle layer and a solvent-free bottom layer on a mirror surface of the release film in sequence, wherein the coating weights of the water-based surface layer, the water-based middle layer and the solvent-free bottom layer are respectively 70g/m 2、100g/m2 and 300g/m 2, and the water-based surface layer, the water-based middle layer and the water-based bottom layer after coating are a dry surface layer, a dry middle layer and a dry bottom layer in sequence;
The aqueous surface layer, the aqueous middle layer and the aqueous bottom layer after coating are subjected to gradient drying for one time in sequence, wherein the temperature of gradient drying is 80-100 ℃ and the temperature gradient is 10 DEG C
(5) After baking for 2 minutes at 130 ℃, attaching base cloth on the bottom layer;
(6) After lamination, drying at high temperature for 7 minutes at 140 ℃ and rolling;
(7) And (3) after curing for 24H at normal temperature, separating the mirror leather and the release film by using a stripping paper inspection machine.
Example two
The preparation method of the water-based environment-friendly mirror leather comprises the following steps of:
(1) The surface layer is an aliphatic polyether anion resin with the modulus of 100KPa and the solid content of 30%, and a leveling agent 1, a thickening agent 1 and a color paste 3 are added according to the weight percentage of the resin and uniformly mixed to obtain a water-based surface layer;
(2) The middle layer is aliphatic polyester polyether resin with the modulus of 50KPa and the solid content of 40 percent, and 0.5 of flatting agent, 1.5 of thickening agent and 5 of color paste are added according to the weight percentage of the resin and uniformly mixed to obtain the water-based middle layer;
(3) The bottom layer is solvent-free mirror resin with the modulus of 70KPa, and the auxiliary agent a0.2 and the auxiliary agent b0.05 are added according to the proportion of the polyester polyol resin 100 and the isocyanate prepolymer resin 100, and are uniformly mixed to obtain the water-based bottom layer;
(4) Coating a water-based surface layer, a water-based middle layer and a water-based bottom layer on a mirror surface of the release film in sequence, wherein the coating weights of the water-based surface layer, the water-based middle layer and the water-based bottom layer are respectively 70g/m 2、100g/m2 and 300g/m 2, and the water-based surface layer, the water-based middle layer and the water-based bottom layer after coating are a dry surface layer, a dry middle layer and a dry bottom layer in sequence;
The aqueous surface layer, the aqueous middle layer and the solvent-free bottom layer after coating are subjected to gradient drying for one time in sequence, wherein the temperature of gradient drying is 80-100 ℃ and the temperature gradient is 10 DEG C
(5) After baking for 2 minutes at 130 ℃, attaching base cloth on the bottom layer;
(6) After lamination, drying at high temperature for 7 minutes at 140 ℃ and rolling;
(7) And (3) after curing for 24H at normal temperature, separating the mirror leather and the release film by using a stripping paper inspection machine.
Example III
The preparation method of the water-based environment-friendly mirror leather comprises the following steps of:
(1) The surface layer is an aliphatic polyether anion resin with the modulus of 70KPa and the solid content of 40%, and the leveling agent 1, the thickening agent 1 and the color paste 3 are added according to the weight percentage of the resin and uniformly mixed to obtain the water-based surface layer;
(2) The middle layer is aliphatic polyester polyether resin with the modulus of 50KPa and the solid content of 40 percent, and 0.5 of flatting agent, 1.5 of thickening agent and 5 of color paste are added according to the weight percentage of the resin and uniformly mixed to obtain the water-based middle layer;
(3) The bottom layer is solvent-free mirror resin with the modulus of 70KPa, and the auxiliary agent a0.2 and the auxiliary agent b0.05 are added according to the proportion of the polyether polyol resin 100 and the isocyanate prepolymer resin 100, and are uniformly mixed to obtain the solvent-free bottom layer;
(4) Coating a water-based surface layer, a water-based middle layer and a solvent-free bottom layer on a mirror surface of the release film in sequence, wherein the coating weights of the water-based surface layer, the water-based middle layer and the solvent-free bottom layer are respectively 70g/m 2、100g/m2 and 300g/m 2, and the water-based surface layer, the water-based middle layer and the water-based bottom layer after coating are a dry surface layer, a dry middle layer and a dry bottom layer in sequence;
The aqueous surface layer, the aqueous middle layer and the solvent-free bottom layer after coating are subjected to gradient drying for one time in sequence, wherein the temperature of gradient drying is 80-100 ℃ and the temperature gradient is 10 DEG C
(5) After baking for 2 minutes at 130 ℃, attaching base cloth on the bottom layer;
(6) After lamination, drying at high temperature for 7 minutes at 140 ℃ and rolling;
(7) And (3) after curing for 24H at normal temperature, separating the mirror leather and the release film by using a stripping paper inspection machine.
The samples produced in the first, second and third examples were subjected to physical properties such as peeling test, bending test, abrasion test and fogging test, and the results are shown in table 1;
Wherein:
1. the peeling detection method comprises the following steps of: SATRA TM410, stripped 25-50N/3CM;
peel testing is a test method used to evaluate the adhesive strength between synthetic leather and its underlying material.
SATRA TM410 is an internationally accepted peel test standard according to which the peel test range is set at 25-50N/3cm. The steps of implementing the peeling test are as follows:
1. Preparing a sample: firstly, preparing a sample meeting the test requirement;
2. the test is performed using a special peel test device, such as a tensile tester. The device needs to be calibrated to ensure that the measurement is accurate;
3. testing: fixing the sample on the test equipment, and stretching according to a specified speed and force range until the materials are separated;
4. Recording data: recording the maximum force value at peeling, which value is to be used to evaluate the peel strength of the material;
5. Analysis results: and according to the recorded data, analyzing whether the adhesive strength between the synthetic leather and the bottom material meets the requirements of SATRA TM410 standard.
2. The wear-resisting detection method comprises the following steps of: ASTM D3884;
ASTM D3884 is an international standard for testing methods for evaluating wear properties of material surfaces. This test is typically performed using a Taber abrasion tester that simulates the abrasion conditions that materials may encounter in actual use, such as rubbing, grinding and scraping. The testing steps are as follows:
1. sample preparation: firstly, preparing a test sample, and ensuring that the size and the shape of the test sample meet the requirements of the ASTM D3884 standard;
2. instrument setting: setting the rotating speed, the load and the type of the abrasion wheel of the Taber abrasion resistance tester to parameters conforming to the standard;
3. starting the test: placing the sample on a tester, starting the machine, and rotating the abrasion wheel on the surface of the sample for a certain number of times or for a certain period of time;
4. Recording data: after the test is completed, the weight loss or volume loss of the sample is recorded, and the data is used for calculating the wear resistance index;
5. Analysis results: based on the recorded data, an abrasion resistance index is calculated and compared to a standard or other test results to evaluate the abrasion resistance of the material.
3. The meandering detection method comprises the following reference standards: ISO 5402-1;
ISO 5402-1 is an international standard, specific for determining the folding endurance of leather. The ISO 5402-1 standard describes the use of a deflectometer to measure the properties of leather during repeated bending. The following is the basic procedure for performing a tortuosity test according to the ISO 5402-1 standard:
1. Sample preparation: firstly, preparing leather samples meeting standard requirements, and ensuring that the sizes and the shapes of the leather samples are suitable for testing;
2. Instrument setting: the deflection instrument is adjusted to proper settings, including test speed, bending angle and the like, so as to meet the requirements of ISO 5402-1;
3. Testing: placing the leather sample on a deflection meter for bending test, and usually performing multiple cycles to simulate the abrasion condition in actual use;
4. recording data: recording required data such as bending times, bending angles and the like during or after the test;
5. Analysis results: based on the data collected, the fold fastness of the leather is evaluated and compared to standard or other test results.
As can be seen from the data in Table 1, the mirror leather of the present invention has good peeling property, excellent tortuosity, excellent wear resistance and no fogging surface precipitation.
Table 1:
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The preparation method of the water-based environment-friendly mirror leather is characterized by comprising the following steps of:
(1) The surface layer is made of aliphatic polyether anion resin with the modulus of 70-100KPa and the solid content of 20-40%, 0.5-1.5 of flatting agent, 0.5-1.5 of thickening agent and 2-10 of color paste are added according to the weight percentage of the resin, and the water-based surface layer is obtained after uniform mixing;
(2) The middle layer is aliphatic polyester polyether resin with the modulus of 30-50KPa and the solid content of 20-40%, 0.5-1.5 of flatting agent, 0.5-1.5 of thickening agent and 2-10 of color paste are added according to the weight percentage of the resin, and the water-based middle layer is obtained after uniform mixing;
(3) The bottom layer is a solvent-free mirror resin with the modulus of 70-100KPa, the solvent-free mirror resin comprises solvent-free resin A and solvent-free resin B, and an auxiliary agent a0.2 and an auxiliary agent B0.05 are added according to the proportion of the solvent-free resin A100 and the solvent-free resin B100, and the solvent-free bottom layer is obtained after uniform mixing;
(4) Coating a water-based surface layer, a water-based intermediate layer and a solvent-free bottom layer on a mirror surface of the release film in sequence, wherein the coated water-based surface layer, water-based intermediate layer and solvent-free bottom layer are a dry surface layer, a dry intermediate layer and a dry bottom layer in sequence;
(5) Drying at 130 ℃ for 1.5-2 minutes, and attaching base cloth on the bottom layer;
(6) After lamination, drying at high temperature and rolling;
(7) And (3) after curing for 24H at normal temperature, separating the mirror leather and the release film by using a stripping paper inspection machine.
2. The method for preparing the water-based environment-friendly mirror leather according to claim 1, which is characterized in that: the viscosity of the aqueous surface layer in the step (1) is regulated to 500-1500CPS.
3. The method for preparing the water-based environment-friendly mirror leather according to claim 1, which is characterized in that: and (3) the VOC of the leveling agent, the thickening agent and the color paste in the step (2) is less than 50PPM.
4. The method for preparing the water-based environment-friendly mirror leather according to claim 1, which is characterized in that: the viscosity of the aqueous interlayer in the step (2) is regulated to 500-1500CPS.
5. The method for preparing the water-based environment-friendly mirror leather according to claim 1, which is characterized in that: the solvent-free resin A in the step (3) is polyether polyol resin or polyester polyol resin; the solvent-free resin B is isocyanate prepolymer resin.
6. The method for preparing the water-based environment-friendly mirror leather according to claim 1, which is characterized in that: the solvent-free mirror resin in the step (3) adopts an online solvent-free casting machine.
7. The method for preparing the water-based environment-friendly mirror leather according to claim 1, which is characterized in that: the coating weights of the aqueous surface layer, the aqueous middle layer and the solvent-free bottom layer in the step (4) are respectively 50-100g/m 2、70-130g/m2 and 250-350g/m 2.
8. The method for preparing the water-based environment-friendly mirror leather according to claim 1, which is characterized in that: and (3) sequentially carrying out gradient drying on the aqueous surface layer and the aqueous intermediate layer after coating, wherein the temperature of the gradient drying is 80-100 ℃ and the temperature gradient is 10 ℃.
9. The method for preparing the water-based environment-friendly mirror leather according to claim 1, which is characterized in that: the base fabric in the step (5) is woven fabric, knitted fabric or non-woven fabric.
10. The method for preparing the water-based environment-friendly mirror leather according to claim 1, which is characterized in that: the high-temperature drying time in the step (6) is 5-10 minutes, and the high-temperature drying temperature is 140 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410932559.1A CN118461333A (en) | 2024-07-12 | 2024-07-12 | Preparation method of water-based environment-friendly mirror leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410932559.1A CN118461333A (en) | 2024-07-12 | 2024-07-12 | Preparation method of water-based environment-friendly mirror leather |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118461333A true CN118461333A (en) | 2024-08-09 |
Family
ID=92157946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410932559.1A Pending CN118461333A (en) | 2024-07-12 | 2024-07-12 | Preparation method of water-based environment-friendly mirror leather |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118461333A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1668699A (en) * | 2002-07-09 | 2005-09-14 | 可乐丽股份有限公司 | thermoplastic polymer composition |
| CN107313264A (en) * | 2017-08-18 | 2017-11-03 | 安徽安利材料科技股份有限公司 | A kind of preparation method of the double processing procedure mirror crystal leathers of environmental protection |
| CN107385940A (en) * | 2017-08-22 | 2017-11-24 | 安徽安利材料科技股份有限公司 | A kind of solvent-free bloom lacquer painting superfine fiber polyurethane leather and preparation method thereof |
| CN113308906A (en) * | 2021-06-01 | 2021-08-27 | 浙江禾欣新材料有限公司 | Water-based high-transparency bright mirror ecological synthetic leather and preparation method thereof |
| CN117818199A (en) * | 2024-01-04 | 2024-04-05 | 浙江壹佳壹科技有限公司 | Preparation method of water-based high-frequency earphone sleeve leather |
-
2024
- 2024-07-12 CN CN202410932559.1A patent/CN118461333A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1668699A (en) * | 2002-07-09 | 2005-09-14 | 可乐丽股份有限公司 | thermoplastic polymer composition |
| CN107313264A (en) * | 2017-08-18 | 2017-11-03 | 安徽安利材料科技股份有限公司 | A kind of preparation method of the double processing procedure mirror crystal leathers of environmental protection |
| CN107385940A (en) * | 2017-08-22 | 2017-11-24 | 安徽安利材料科技股份有限公司 | A kind of solvent-free bloom lacquer painting superfine fiber polyurethane leather and preparation method thereof |
| CN113308906A (en) * | 2021-06-01 | 2021-08-27 | 浙江禾欣新材料有限公司 | Water-based high-transparency bright mirror ecological synthetic leather and preparation method thereof |
| CN117818199A (en) * | 2024-01-04 | 2024-04-05 | 浙江壹佳壹科技有限公司 | Preparation method of water-based high-frequency earphone sleeve leather |
Non-Patent Citations (1)
| Title |
|---|
| 钟安华等: "《服装面料学》", 30 September 2018, 东华大学出版社, pages: 179 - 181 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109438655B (en) | Carbon dioxide-based polycarbonate ether polyol polyurethane and preparation method and application thereof | |
| US3642936A (en) | Coating composition of an isocyanate terminated polyurethane a vinyl chloride polymer and polysiloxane | |
| CN105237725B (en) | A kind of middle hard height resists cold heat resistanceheat resistant adhesion agreeable type minute surface face layer polyurethane resin and preparation method thereof | |
| CN103643532B (en) | A kind of water-fast wiping artificial leather and preparation method thereof | |
| CN109970940B (en) | Silicone-modified aqueous polyurethane dispersion and aqueous nail polish prepared therefrom | |
| CN110229301A (en) | A kind of preparation method of waterborne polyurethane resin and its synthetic leather | |
| CN102746714A (en) | Preparation method for transference resistance leather dye | |
| CN112280283B (en) | Double-component polyurethane resin for automobile leather and preparation method thereof | |
| CN105330815A (en) | Polyurethane nubuck resin for high-resilience high-velvet-feeling clothing leather and preparation method of thereof | |
| CN103740262A (en) | High temperature resistant release coating material for artificial synthetic leather release paper, and preparation method and application thereof | |
| CN105131565A (en) | A kind of thermoplastic polyurethane with high color fastness, thermoplastic polyurethane synthetic leather and preparation method thereof | |
| CN101285268A (en) | High temperature resistant and color-changing resin composition for chemical leather | |
| CN106496514A (en) | A kind of waterborne polyurethane resin | |
| CN108456482A (en) | A kind of graphene modified double components Aqueous Polyurethane Leather Finishing Agent and preparation method thereof | |
| CN118461333A (en) | Preparation method of water-based environment-friendly mirror leather | |
| CN104530382A (en) | Wet polyurethane resin for imitated micro-fiber synthetic leather and preparation method of wet polyurethane resin | |
| CN113336913B (en) | Polyurethane resin with explosion-proof needle function and preparation method thereof | |
| CN103709723B (en) | A kind of method of dye sheep bar Glove suede urethane resin and preparation method and making synthetic leather | |
| CN106283708A (en) | A kind of production technology of the refrigerant superfine fiber chemical leather of aqueous | |
| CN115286765A (en) | Preparation and application methods of high-solid flame-retardant foaming waterborne polyurethane for home leather | |
| CN112301754A (en) | Preparation process of water-based space sports shoe leather | |
| CN109629263A (en) | A kind of imitative reactive adhesive composition and preparation method thereof | |
| CN119411401A (en) | A method for preparing waterborne polyurethane environmentally friendly mirror leather | |
| CN115287913A (en) | Soft suede basketball synthetic leather and preparation method thereof | |
| CN114481644A (en) | Waterborne polyurethane synthetic leather and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |