CN111379172A - Preparation method of waterborne polyurethane synthetic leather bass - Google Patents
Preparation method of waterborne polyurethane synthetic leather bass Download PDFInfo
- Publication number
- CN111379172A CN111379172A CN201910981326.XA CN201910981326A CN111379172A CN 111379172 A CN111379172 A CN 111379172A CN 201910981326 A CN201910981326 A CN 201910981326A CN 111379172 A CN111379172 A CN 111379172A
- Authority
- CN
- China
- Prior art keywords
- waterborne polyurethane
- synthetic leather
- polyurethane synthetic
- leather bass
- parts
- 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
- D06N3/12—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
- D06N3/0056—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
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic 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
- D06N3/0063—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
- D06N3/0068—Polymeric granules, particles or powder, e.g. core-shell particles, microcapsules
-
- 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
- D06N3/0088—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 directly applying the resin
-
- 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
- D06N2209/1635—Elasticity
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention discloses a preparation method of waterborne polyurethane synthetic leather bass, which is characterized in that waterborne polyurethane synthetic leather slurry consisting of waterborne polyurethane, a defoaming agent, a leveling agent, polymer hollow microspheres, talcum powder, nano titanium dioxide and a thickening agent is coated on synthetic leather base cloth which is treated by cationic resin in advance and ironed and flattened, and the waterborne polyurethane synthetic leather bass with high physical property is obtained after drying. The invention also contributes to further simplifying the whole production process compared with the prior production technology and greatly shortening the production period of the waterborne polyurethane synthetic leather bass. The waterborne polyurethane synthetic leather base prepared according to the technology of the invention has excellent plump resilience performance and antibacterial performance, and is resistant to organic solvents, yellowing and hydrolysis.
Description
Technical Field
The invention belongs to the field of synthetic leather manufacturing, and particularly relates to a preparation method of a waterborne polyurethane synthetic leather bass.
Background
China is a large producing country of synthetic leather, and the total production amount is the first in the world. At present, the manufacture of domestic synthetic leather mainly adopts solvent polyurethane, and a large amount of toxic and harmful organic solvents such as dimethylformamide and the like are randomly discharged every year in the industry, so that serious environmental pollution and resource waste are caused, and the health of operators is seriously harmed; in addition, a part of toxic and harmful organic solvent still remains in the synthetic leather finished product prepared by the solvent method, which has adverse effect on the health of consumers and limits the product to enter the European and American markets. Therefore, the technical method for preparing the synthetic leather by the solvent is absolutely necessary to be replaced by the preparation technology of the environment-friendly waterborne polyurethane synthetic leather.
Chinese patent 2015107619214 discloses that ammonium nitrate and ammonium carbonate are added into aqueous polyurethane slurry as foaming coagulant of aqueous polyurethane synthetic leather slurry, when the aqueous polyurethane slurry is heated to 110 ℃, the coagulant decomposes to generate NH3, CO2, H2O and HNO3, gas generated by the foaming coagulant forms foam holes in a Bayes coating, and decomposed acid HNO3 breaks and coagulates the aqueous polyurethane. Chinese patent 2017101334605 discloses a method for manufacturing a waterborne polyurethane household synthetic leather, wherein a foaming agent and a foam stabilizer are added into a waterborne polyurethane base slurry, and the waterborne polyurethane base slurry is prepared by a mechanical foaming method, which has the biggest disadvantages of complex process, high price of a foaming machine, the waterborne polyurethane base slurry needs to be prepared at present, the size and distribution of pores in the early and later stages of production can change along with the time extension, the quality of the prepared waterborne polyurethane synthetic leather base is unstable, and the waterborne polyurethane synthetic leather base slurry is not suitable for the production of small and medium-sized enterprises, and on the other hand, the hydrolysis resistance of the synthetic leather is greatly influenced by introducing more surfactant into the waterborne polyurethane base slurry. Chinese patent 2017108108910 discloses a method for manufacturing a bamboo charcoal adsorption synthetic leather bass, which comprises the steps of immersing a synthetic leather bass layer in a bamboo charcoal liquid, demulsifying and coagulating the bass slurry to generate foam holes, cleaning with a large amount of water, and drying.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the preparation method of the high-performance waterborne polyurethane synthetic leather bass, which is simple to operate, environment-friendly and short in production period.
The purpose of the invention is realized by the following technologies:
preparing waterborne polyurethane synthetic leather bass slurry, by weight: 1000 parts of waterborne polyurethane, 0-100 parts of deionized water, 0-5 parts of pH regulator, 2-5 parts of defoaming agent, 4-10 parts of flatting agent, 20-200 parts of talcum powder, 3-10 parts of polymer hollow microspheres, 3-10 parts of nano titanium dioxide and 10-30 parts of thickening agent;
pumping the waterborne polyurethane and the deionized water into a pulping kettle according to the formula, starting stirring, sequentially adding a pH regulator, a defoaming agent, a leveling agent, talcum powder, polymer hollow microspheres and nano titanium dioxide at the rotating speed of 60-80 r/min, slowly adding a thickening agent after uniformly stirring, gradually increasing the stirring speed to 600 + 800 r/min according to the viscosity change of the slurry, continuously stirring for 0.5-1 h after the slurry is completely and uniformly mixed visually, reducing the stirring speed to 50-60 r/min, simultaneously starting vacuum to remove bubbles in the slurry, and filtering to obtain the finished waterborne polyurethane synthetic leather slurry.
Preparing waterborne polyurethane synthetic leather bass: coating the prepared waterborne polyurethane synthetic leather bass slurry on base cloth which is treated by waterborne cationic polyurethane resin or waterborne cationic acrylic resin and ironed and flattened by adopting a blade coating method, wherein the coating amount is 200-
And (3) drying for 8-12 minutes by gradient air blowing at 130 ℃, and cooling to obtain the waterborne polyurethane synthetic leather bass.
The waterborne polyurethane is aliphatic or aromatic waterborne polyurethane which is produced by the unit and has high solid content, high elasticity and hydrolysis resistance.
The pH regulator of the invention is commercially available AMP-95.
The defoaming agent is a silicone defoaming agent or a modified body thereof.
The leveling agent is an organic silicon leveling agent.
The particle size of the talcum powder is 1250 meshes.
The polymer hollow microsphere is an acrylate/acrylonitrile polymer or a single acrylonitrile polymer with a core-shell structure.
The particle size of the nano titanium dioxide is less than 100 nanometers.
The thickening agent is one or the mixture of any two of acrylate, alkali swelling acrylic acid and polyurethane.
Compared with the prior art, the invention has the outstanding contributions that:
the waterborne polyurethane synthetic leather bass slurry prepared by the invention has long-term storage stability, greatly improves the convenience of synthetic leather manufacturers, further simplifies the process operation, further reduces the energy consumption, shortens the production period, does not generate three wastes in the whole production process, and belongs to a green clean production technology; on the other hand, the polymer hollow microspheres are introduced into the aqueous polyurethane synthetic leather bass slurry, the pore size and the distribution uniformity of the synthetic leather bass layer are not influenced by various factors in the production process, the prepared synthetic leather bass has high elasticity and excellent physical and chemical properties, and the introduction of the nano titanium dioxide ensures that the aqueous polyurethane synthetic leather bass has good mildew resistance and sterilization performance.
Detailed Description
The present invention is described in detail with reference to the following specific examples, which however are not intended to limit the scope of the application of the present invention, but only to a part of the examples, and any modifications and equivalents within the scope of the present invention will be apparent to those skilled in the art.
Example 1
Preparing waterborne polyurethane synthetic leather bass slurry:
pumping 1000 kg of aliphatic waterborne polyurethane and 25 kg of deionized water into a 2000L pulping kettle, starting stirring, sequentially adding 5 kg of APM-95, 3 kg of defoaming agent, 8 kg of flatting agent, 180 kg of talcum powder, 6 kg of polymer hollow microspheres and 4 kg of nano titanium dioxide at a stirring speed of 60-80 r/min, slowly adding 20 kg of polyurethane thickener diluted by 5 times of deionized water and 10 kg of alkali swelling acrylic thickener diluted by 5 times of deionized water after the materials are completely and uniformly dispersed, gradually increasing the stirring speed to 600 and 800 r/min in the feeding process according to the change of the viscosity of the slurry, continuously stirring for 0.5-1 h after the slurry is completely and uniformly mixed by visual inspection, reducing the stirring speed to 50-60 r/min, and simultaneously starting vacuum to remove air bubbles in the slurry, and filtering to obtain the waterborne polyurethane synthetic leather bass slurry.
Preparing waterborne polyurethane synthetic leather bass:
the prepared waterborne polyurethane synthetic leather bass slurry is scraped and coated on synthetic leather base cloth which is treated by waterborne cationic polyurethane resin and ironed and flattened, the coating amount is 500 g/square meter, the base cloth is dried for 10 minutes in a 50-meter long drying oven by air blowing according to the gradient of 80 ℃ → 100 ℃ → 120 ℃ → 130 ℃, and the base cloth is cooled to room temperature to obtain the high-elasticity and high-strength waterborne polyurethane synthetic leather bass. And (3) dry-process veneering or spraying or roller coating of the waterborne polyurethane resin for the waterborne polyurethane synthetic leather base to obtain a finished product of the waterborne polyurethane synthetic leather.
Example 2
Preparing waterborne polyurethane synthetic leather bass slurry:
pumping 1000 kg of aromatic waterborne polyurethane and 100 kg of deionized water into a 2000L pulping kettle, starting stirring, sequentially adding 4 kg of defoaming agent, 10 kg of flatting agent, 40 kg of talcum powder, 4 kg of polymer hollow microspheres and 2 kg of nano titanium dioxide at the rotating speed of 60-80 r/min, slowly adding 100 kg of acrylate thickening agent diluted by 5 times of deionized water after powder is completely dispersed, gradually increasing the stirring speed to 600 r/min according to the viscosity change of the slurry, observing the slurry to be completely and uniformly mixed by visual observation, continuously stirring for 0.5-1 h, reducing the stirring speed to 50-60 r/min, simultaneously starting vacuum to remove air bubbles in the slurry, and filtering to obtain the waterborne polyurethane synthetic leather bass slurry.
Preparing waterborne polyurethane synthetic leather bass:
the waterborne polyurethane synthetic leather bass slurry prepared by the method is scraped and coated on synthetic leather base cloth which is treated by waterborne cationic acrylic resin and ironed and flattened, the coating amount is 200 g/square meter, the base cloth is dried for 8 minutes in a 50-meter long drying oven by air blowing according to the gradient of 80 ℃ → 100 ℃ → 120 → 130 ℃, and the base cloth is cooled to room temperature, so that the high-elasticity soft waterborne polyurethane synthetic leather bass is obtained. The waterborne polyurethane synthetic leather Bass prepared by the method is subjected to dry veneering or spraying or roller coating of a waterborne polyurethane surface treatment layer by waterborne polyurethane to obtain a finished product of the waterborne polyurethane synthetic leather.
Example 3
Preparing waterborne polyurethane synthetic leather bass slurry:
pumping 1000 kg of aliphatic waterborne polyurethane into a 2000L pulping kettle, starting stirring, sequentially adding 5 kg of defoaming agent, 5 kg of flatting agent, 200 kg of talcum powder, 7 kg of polymer hollow microspheres and 5 kg of nano titanium dioxide at the rotating speed of 60-80 r/min, slowly adding 75 kg of polyurethane thickener diluted by 5 times of deionized water after powder is completely dispersed, gradually increasing the stirring speed to 600 + 800 r/min according to the viscosity change of the slurry, continuously stirring for 0.5-1 h after the slurry is completely and uniformly mixed visually, reducing the stirring speed to 50-60 r/min, simultaneously starting vacuum to remove synthetic leather bubbles in the slurry, and filtering to obtain the waterborne polyurethane base slurry.
Preparing waterborne polyurethane synthetic leather bass:
the aqueous polyurethane synthetic leather bass slurry prepared by the method is scraped and coated on a synthetic leather base cloth which is treated by aqueous cationic polyurethane resin and ironed and flattened, the coating amount is 400 g/square meter, the coating is dried for 10 minutes in a 50-meter long drying oven by air blast with the gradient of 80 ℃ → 100 ℃ → 120 → 130 ℃, and the coating is cooled to room temperature, so that the high-elasticity and high-strength aqueous polyurethane synthetic leather bass is obtained. The waterborne polyurethane synthetic leather Bass prepared by the method is subjected to dry veneering or spraying or roller coating of a waterborne polyurethane surface treatment layer by waterborne polyurethane to obtain a finished product of the waterborne polyurethane synthetic leather.
Claims (11)
1. A preparation method of the waterborne polyurethane synthetic leather bass is characterized by comprising the following steps:
the waterborne polyurethane synthetic leather bass slurry comprises the following components in parts by weight: 1000 parts of waterborne polyurethane, 0-100 parts of deionized water, 0-5 parts of pH regulator, 2-5 parts of defoaming agent, 4-10 parts of flatting agent, 20-200 parts of talcum powder, 3-10 parts of polymer hollow microspheres, 3-10 parts of nano titanium dioxide and 10-30 parts of thickening agent.
2. Pumping the waterborne polyurethane and the deionized water into a pulping kettle according to the proportion, starting stirring, sequentially adding the pH regulator, the defoaming agent, the leveling agent, the talcum powder, the polymer hollow microspheres and the nano titanium dioxide under slow stirring, uniformly mixing by visual observation, slowly adding the thickening agent, gradually increasing the stirring speed according to the viscosity change of the slurry, stirring at a high speed for 0.5-1 hour, then stirring at a slow speed, starting vacuum to remove bubbles in the slurry, discharging, filtering and packaging to obtain the waterborne polyurethane synthetic leather bass slurry.
3. And (3) blade-coating the prepared waterborne polyurethane synthetic leather slurry on synthetic leather base cloth which is treated by the waterborne cationic resin and ironed, wherein the coating amount is 200-600 g/square meter, and the waterborne polyurethane synthetic leather bass is obtained by drying for 8-12 minutes in an oven with the length of 50 meters by air blast in a gradient manner of 80 ℃ → 100 ℃ → 120 → 130 ℃.
4. The method for preparing the waterborne polyurethane synthetic leather bass of claim 1, wherein the waterborne polyurethane is polyester type aliphatic (aromatic) or polyether type aliphatic (aromatic) or polyester-polyether mixed type aliphatic (aromatic) waterborne polyurethane.
5. The method for preparing the waterborne polyurethane synthetic leather bass of claim 1, wherein the pH regulator is AMP-95.
6. The method for preparing the waterborne polyurethane synthetic leather bass of claim 1, wherein the defoamer is a silicone defoamer or a modified body thereof.
7. The preparation method of the waterborne polyurethane synthetic leather bass of claim 1, wherein the leveling agent is an organic silicon leveling agent.
8. The method for preparing the waterborne polyurethane synthetic leather bass according to claim 1, wherein the mesh number of the talcum powder is more than 1000 meshes.
9. The method for preparing the waterborne polyurethane synthetic leather bass of claim 1, wherein the polymer hollow microsphere is an acrylate/acrylonitrile polymer or a single acrylonitrile polymer with a core-shell structure.
10. The method for preparing the waterborne polyurethane synthetic leather bass of claim 1, wherein the particle size of the nano titanium dioxide is less than 100 nm.
11. The method for preparing the waterborne polyurethane synthetic leather bass of claim 1, wherein the thickener is one or the combination of any two of acrylate, alkali swelling acrylic acid and polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910981326.XA CN111379172A (en) | 2019-10-16 | 2019-10-16 | Preparation method of waterborne polyurethane synthetic leather bass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910981326.XA CN111379172A (en) | 2019-10-16 | 2019-10-16 | Preparation method of waterborne polyurethane synthetic leather bass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111379172A true CN111379172A (en) | 2020-07-07 |
Family
ID=71216944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910981326.XA Pending CN111379172A (en) | 2019-10-16 | 2019-10-16 | Preparation method of waterborne polyurethane synthetic leather bass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111379172A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962327A (en) * | 2021-02-03 | 2021-06-15 | 合肥科天水性科技有限责任公司 | Thermal-insulation cold-proof water-based clothing leather and preparation method thereof |
| CN113026376A (en) * | 2021-02-25 | 2021-06-25 | 江西铭川科技实业有限公司 | Preparation method of slurry for producing high-physical-property waterborne polyurethane base |
| CN113789672A (en) * | 2021-09-22 | 2021-12-14 | 安徽安利材料科技股份有限公司 | Polyurethane synthetic leather for outdoor sports leisure shoes and preparation method thereof |
| CN115418865A (en) * | 2022-09-06 | 2022-12-02 | 山东同大海岛新材料股份有限公司 | Environment-friendly microfiber leather and processing method and application thereof |
-
2019
- 2019-10-16 CN CN201910981326.XA patent/CN111379172A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962327A (en) * | 2021-02-03 | 2021-06-15 | 合肥科天水性科技有限责任公司 | Thermal-insulation cold-proof water-based clothing leather and preparation method thereof |
| CN112962327B (en) * | 2021-02-03 | 2022-04-22 | 合肥科天水性科技有限责任公司 | Thermal-insulation cold-proof water-based clothing leather and preparation method thereof |
| CN113026376A (en) * | 2021-02-25 | 2021-06-25 | 江西铭川科技实业有限公司 | Preparation method of slurry for producing high-physical-property waterborne polyurethane base |
| CN113026376B (en) * | 2021-02-25 | 2022-11-25 | 江西铭川科技实业有限公司 | Preparation method of slurry for producing high-physical-property waterborne polyurethane base |
| CN113789672A (en) * | 2021-09-22 | 2021-12-14 | 安徽安利材料科技股份有限公司 | Polyurethane synthetic leather for outdoor sports leisure shoes and preparation method thereof |
| CN113789672B (en) * | 2021-09-22 | 2023-09-22 | 安徽安利材料科技股份有限公司 | Polyurethane synthetic leather for outdoor sport casual shoes and preparation method thereof |
| CN115418865A (en) * | 2022-09-06 | 2022-12-02 | 山东同大海岛新材料股份有限公司 | Environment-friendly microfiber leather and processing method and application thereof |
| CN115418865B (en) * | 2022-09-06 | 2024-06-14 | 山东同大海岛新材料股份有限公司 | Environment-friendly microfiber leather and processing method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111379172A (en) | Preparation method of waterborne polyurethane synthetic leather bass | |
| CN102418284B (en) | Preparation method of water-soluble polyurethane leather beth | |
| CN108755169B (en) | Preparation method of soft and breathable waterborne polyurethane clothing leather bass | |
| CN102408699B (en) | Composite slurry, synthetic leather substrate and preparation method of synthetic leather substrate | |
| US8940881B2 (en) | Method for producing chitin nanofibers, composite material and coating composition each containing chitin nanofibers, and method for producing chitosan nanofibers, composite material and coating composition each containing chitosan nanofibers | |
| CN106543406B (en) | Aqueous polyurethane dispersion slurry and method for preparing wet-process bass by using same | |
| CN102115983A (en) | Aqueous polyurethane superfine fiber synthetic leather and preparation method thereof | |
| CN106118034A (en) | A kind of dry method clothing leather bass and preparation technology thereof | |
| CN106868880B (en) | Water-based polyurethane imitated microfiber and manufacturing method thereof | |
| CN103774455A (en) | Water-based polyurethane superfine fiber synthetic leather and preparation method thereof | |
| CN102234938B (en) | Process for manufacturing super-fiber nubuck leather | |
| CN101619184A (en) | Hand-feeling coating and preparation method thereof | |
| CN108951186B (en) | Method for manufacturing full-aqueous superfine fiber synthetic leather | |
| WO2016197938A1 (en) | Method for manufacturing degradable sponge product | |
| CN103397533A (en) | Manufacturing method of waterborne polyurethane nubuck leather | |
| CN110982307A (en) | Ecological shell powder interior wall coating and preparation method thereof | |
| CN108658130A (en) | A method of preparing iron oxide and aerosil simultaneously from iron tailings | |
| CN110358437A (en) | A kind of high-performance environment-friendly water paint and preparation method thereof | |
| CN110423531A (en) | Environment-friendly water-based paint of one kind and preparation method thereof | |
| CN105544203B (en) | A kind of preparation method of fluorescence spandex material | |
| CN106866074A (en) | A kind of high temperature resistant high-hardness water-proof wall covering and preparation method thereof | |
| CN114657789B (en) | Organic silicon super-hydrophobic coating, super-hydrophobic coating based on organic silicon super-hydrophobic coating and application of organic silicon super-hydrophobic coating | |
| CN106917298B (en) | A kind of preparation method of high color fastness dyeing-free superfine fiber chemical leather bass | |
| CN111254746A (en) | Simple method for preparing super-hydrophobic filter paper by solution soaking method | |
| CN107723393A (en) | A kind of high-quality matte surface finishing agent of leather material for leatherware production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200707 |