CN109023984B - High-weather-resistance environment-friendly organic silicon synthetic leather and preparation method thereof - Google Patents
High-weather-resistance environment-friendly organic silicon synthetic leather and preparation method thereof Download PDFInfo
- Publication number
- CN109023984B CN109023984B CN201811169575.0A CN201811169575A CN109023984B CN 109023984 B CN109023984 B CN 109023984B CN 201811169575 A CN201811169575 A CN 201811169575A CN 109023984 B CN109023984 B CN 109023984B
- Authority
- CN
- China
- Prior art keywords
- organic silicon
- synthetic leather
- surface layer
- parts
- resin
- 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.)
- Active
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
- D06N3/128—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 silicon polymers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0009—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using knitted fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—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
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
- D06N2209/067—Flame resistant, fire resistant
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/108—Slipping, anti-blocking, low friction
-
- 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
-
- 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
- D06N2209/1685—Wear resistance
-
- 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
- D06N2209/1692—Weather resistance
-
- 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
-
- 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
- D06N2213/00—Others characteristics
- D06N2213/02—All layers being of the same kind of material, e.g. all layers being of polyolefins, all layers being of polyesters
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (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 high weather-resistant environment-friendly organic silicon synthetic leather and a preparation method thereof, wherein the high weather-resistant environment-friendly organic silicon synthetic leather consists of a surface layer, an adhesive layer, base cloth and a surface layer from top to bottom in sequence; the surface layer is composed of two-component polysiloxane surface layer resin, a wear-resistant auxiliary agent and color paste, the bonding layer is composed of two-component polysiloxane bonding layer resin, a bonding auxiliary agent and color paste, and the surface layer is composed of two-component polymethyl siloxane modified resin and a platinum metal catalyst. The production process of the invention has no waste gas and waste liquid discharge, and the prepared high weather-resistant organic silicon synthetic leather has the characteristics of high durability, high light resistance, environmental protection performance, no toxicity, no odor, no harmful gas release and the like, and can be widely applied to the field of outdoor high weather-resistant requirement materials in high-temperature, high-humidity and strong ultraviolet illumination environments.
Description
Technical Field
The invention belongs to the field of high polymer materials, and particularly relates to organic silicon synthetic leather and a preparation method thereof.
Background
Solvent type polyurethane resin is mostly adopted in the traditional synthetic leather industry, polyurethane macromolecules are easy to degrade under the conditions of high temperature, high humidity and strong illumination, and the durability is reduced; secondly, a large amount of waste gas and waste liquid are generated in the production process of the solvent type polyurethane, the energy consumption cost for recovering and treating the waste gas and the waste liquid is high, and the waste gas and the waste liquid cause certain pollution to the environment and are not beneficial to environmental protection. In order to overcome the defects in the prior art, the invention discloses high-weather-resistance organic silicon synthetic leather and a preparation method thereof. The prepared leather has the following characteristics: high durability, high light resistance, no toxicity, no odor, no harmful gas release, environmental protection and consumption reduction in the production process and the like.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention discloses high-weather-resistance environment-friendly organic silicon synthetic leather and a preparation method thereof.
In order to realize the purpose, the technical scheme is as follows:
the high weather-resistant environment-friendly organic silicon synthetic leather consists of a surface layer, an adhesive layer, base cloth and a surface layer from top to bottom in sequence;
the surface layer comprises the following components in parts by weight:
100-150 parts of two-component polysiloxane surface resin
1-4 parts of wear-resistant auxiliary agent
2-10 parts of color paste;
the bonding layer comprises the following components in parts by weight:
100-150 parts of two-component polysiloxane adhesive layer resin
1-4 parts of bonding auxiliary agent
1-5 parts of color paste;
the surface treatment layer consists of the following components in parts by weight:
50-100 parts of two-component polymethylsiloxane modified resin
5-15 parts of a platinum metal catalyst.
In a further scheme, the two-component polysiloxane surface resin is formed by mixing two polymethyl siloxane resins.
Preferably, the two-component polysiloxane surface layer resin is prepared by mixing organic silicon resin 8300A and organic silicon resin 8300B produced by the Dow chemical method according to a mass ratio of 1: 1 are mixed.
In a further scheme, the two-component polysiloxane adhesive layer resin is formed by mixing two types of polymethylsiloxane resin with the modulus of 30-50 MPa.
Preferably, the two-component polysiloxane adhesive layer resin is prepared by mixing silicone resin 8400A and silicone resin 8400B produced by the Dow chemical method according to a mass ratio of 1: 1 are mixed.
In a further scheme, the base cloth is knitted elastic cloth, the thickness of the base cloth is 0.8-1.0 mm, and the gram weight of the base cloth is 270-290 g/m2。
In a further scheme, the bonding auxiliary agent is at least one of vinyltriethoxysilane, vinyltrimethoxysilane, gamma- (2, 3-epoxypropoxy) propyltrimethoxysilane, gamma- (2, 3-epoxypropoxy) propyltriethoxysilane, gamma-methacryloxypropyltrimethoxysilane, 2- (3, 4-epoxycyclohexyl) ethyltrimethoxysilane, 2- (3, 4-epoxycyclohexyl) ethyltriethoxysilane or hydrolysate.
The invention also aims to provide a method for preparing the high-weather-resistance environment-friendly organic silicon synthetic leather, which comprises the following steps:
(1) coating the surface layer slurry on the surface of release paper, and heating and drying to obtain an organic silicon synthetic leather surface layer;
(2) coating the adhesive layer slurry on an organic silicon synthetic leather surface layer, and drying to be semi-dry to obtain an organic silicon synthetic leather adhesive layer;
(3) attaching base cloth to the organic silicon bonding layer, curing, separating and rolling to obtain an organic silicon synthetic leather semi-finished product;
(4) and (4) coating the surface layer slurry on the semi-finished product of the organic silicon synthetic leather treated in the step (3), and curing to obtain the organic silicon synthetic leather product.
Further, the drying temperature of the organic silicon synthetic leather surface layer in the step (1) is 80-130 ℃, and the gap between coating cutter heads of the surface layer slurry is 10-15 filaments;
the drying temperature of the organic silicon synthetic leather bonding layer in the step (2) is 100-110 ℃, and the gap between coating cutter heads of the bonding layer slurry is 15-30 filaments;
curing temperature of the semi-finished product of the organic silicon synthetic leather in the step (3) is 120-150 ℃, curing time is 50-70 minutes, and the base fabric and the solvent-free layer are laminated into 80-100 filaments;
the curing temperature of the organic silicon synthetic leather product in the step (4) is 130-170 ℃, the curing time is 50-70 minutes, and the coating amount of the surface layer slurry is 50-100 g per meter of leather.
The wear-resistant additive, the color paste and the like in the invention are common additives in the field.
The surface treatment layer is prepared from double-component methyl siloxane modified resin and a platinum metal catalyst, wherein the double-component methyl siloxane modified resin can enhance the binding property of the organic silicon resin and the semi-finished product of the organic silicon synthetic leather by adding active groups such as hydroxyl, epoxy, methoxy and the like into organic silicon molecules. Preferably, the silicone resin 1080A and the silicone resin 1080B of the new material ltd of kinson are 10: 1 and mixing. The platinum metal catalyst is used for catalyzing the reaction of the organic silicon resin, so that the quick crosslinking effect can be achieved.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts the organic silicon two-component polysiloxane resin as the surface layer and the bonding layer, the durability has obvious advantage compared with the traditional polyurethane resin, and the invention selects special surface layer (formed by mixing the organic silicon resin 8300A and the organic silicon resin 8300B according to the mass ratio of 1: 1) and bonding layer (formed by mixing the organic silicon resin 8400A and the organic silicon resin 8400B according to the mass ratio of 1: 1) sizing agent, so that the leather surface of the prepared synthetic leather product does not crack or pulverize after the product is placed for 15 weeks according to the standard of QB/T4671 and 2014 under the environment of 70 ℃ and 95 percent relative humidity, and the durability of the product is determined to be more than 15 years.
2. The invention adopts the organic silicon resin as the base material, has no degradation and no yellowing under the condition of ultraviolet illumination, has excellent light resistance, does not crack for 8 ten thousand times under the temperature of minus 30 ℃, has good flexibility and high low temperature resistance.
3. The process of the invention uses the organosilicon material to produce the synthetic leather without using a micromolecular solvent, generates no waste gas and waste liquid, has more advantages in the aspect of production environment protection compared with the polyurethane synthetic leather, and has the advantages of environmental protection and low consumption.
4. The synthetic leather prepared by the method has the advantages of high durability, high light resistance, no toxicity, no odor, no harmful gas release and the like.
5. The organic silicon synthetic leather obtained by the invention has excellent high temperature, high humidity and strong illumination resistance, and no micromolecular organic solvent is added in the processing process, so that the organic silicon synthetic leather is high in weather resistance and environment-friendly.
6. The surface treatment layer is adopted on the outermost layer of the synthetic leather, so that the skin-friendly touch feeling of the surface of the leather material can be endowed, and the surface smoothness and the wear resistance of the organic silicon synthetic leather are improved.
Detailed Description
The invention will now be further described with reference to the following examples, which are intended to illustrate, but not limit the invention.
The sources of the raw materials in the following examples are:
8300A and 8300B of the two-component top silicone resin: a Dow chemical product;
8400A and 8400B in the two-component adhesive layer polysiloxane resin: a Dow chemical product;
1080A and 1080B: product of new materials, inc;
knitting elastic cloth: hainin Jingyuan Hua Yuan textile Limited;
example 1
(1) Mixing 100 parts of two-component polysiloxane surface layer resin (the mass ratio of the organic silicon resin 8300A to the organic silicon resin 8300B is 1: 1), 1 part of wear-resistant additive and 2 parts of color paste to form surface layer slurry; coating the surface layer slurry on 15 threads on the surface of release paper DE-43, and placing the release paper DE-43 in an oven at 125 ℃ for heating and drying to obtain an organic silicon synthetic leather surface layer;
(2) mixing 100 parts of two-component polysiloxane adhesive layer resin (the mass ratio of the organic silicon resin 8400A to the organic silicon resin 8400B is 1: 1), 1 part of adhesive auxiliary agent and 1 part of color paste into adhesive layer slurry; coating the adhesive layer slurry on 25 threads of the surface layer, and drying at 100 ℃ to be semi-dry;
(3) attaching elastic knitted fabric to the bonding layer, laminating the gap 80 yarns, curing at 130 ℃ for 1 hour, and then separating and rolling to obtain an organic silicon synthetic leather semi-finished product;
(4) mixing 50 parts of double-component polymethyl siloxane modified resin (the mass ratio of 1080A to 1080B of the organic silicon resin is 10: 1) and 5 parts of platinum metal catalyst to form surface layer slurry; and coating the surface layer slurry on a base cloth layer of the semi-finished product of the organic silicon synthetic leather, and curing at 150 ℃ for 1 hour to improve the wear resistance of the base cloth layer, thereby preparing the organic silicon synthetic leather product.
Example 2
(1) Mixing 100-150 parts of two-component polysiloxane surface layer resin (the mass ratio of the organic silicon resin 8300A to the organic silicon resin 8300B is 1: 1), 1-4 parts of wear-resistant auxiliary agent and 2-10 parts of color paste to form surface layer slurry; coating the surface layer slurry on 15 threads on the surface of release paper R-206, and placing the release paper R-206 in an oven at 115 ℃ for heating and drying to obtain an organic silicon synthetic leather surface layer;
(2) 120 parts of two-component polysiloxane adhesive layer resin (the mass ratio of the organic silicon resin 8400A to the organic silicon resin 8400B is 1: 1), 2 parts of adhesive auxiliary agent and 3 parts of color paste are mixed to form adhesive layer slurry; coating the adhesive layer slurry on 30 threads of the surface layer, and drying at 110 ℃ to be semi-dry;
(3) attaching elastic knitted fabric to the bonding layer, laminating the gap 90 yarns, curing at 130 ℃ for 1 hour, and then separating and rolling to obtain an organic silicon synthetic leather semi-finished product;
(4) 100 parts of double-component polymethyl siloxane modified resin (the mass ratio of 1080A to 1080B of the organic silicon resin is 10: 1) and 10 parts of platinum metal catalyst are mixed to form surface layer slurry; and coating the surface layer slurry on a base cloth layer of the semi-finished product of the organic silicon synthetic leather, curing for 1 hour at 150 ℃ to improve the wear resistance of the base cloth layer, and obtaining the organic silicon synthetic leather product.
Example 3
(1) Mixing 150 parts of two-component polysiloxane surface layer resin (the mass ratio of the organic silicon resin 8300A to the organic silicon resin 8300B is 1: 1), 4 parts of wear-resistant additive and 10 parts of color paste into surface layer slurry; coating the surface layer slurry on 15 threads on the surface of release paper R-206, and placing the release paper R-206 in an oven at 130 ℃ for heating and drying to obtain an organic silicon synthetic leather surface layer;
(2) 150 parts of two-component polysiloxane adhesive layer resin (the mass ratio of the organic silicon resin 8400A to the organic silicon resin 8400B is 1: 1), 4 parts of adhesive auxiliary agent and 5 parts of color paste are mixed to form adhesive layer slurry; coating the adhesive layer slurry on 20 threads of the surface layer, and drying at 105 ℃ to be semi-dry;
(3) attaching elastic knitted fabric to the bonding layer, laminating the gap of 85 filaments, curing at 130 ℃ for 1 hour, and then separating and rolling to obtain an organic silicon synthetic leather semi-finished product;
(4) mixing 80 parts of double-component polymethyl siloxane modified resin (the mass ratio of 1080A to 1080B of the organic silicon resin is 10: 1) and 8 parts of platinum metal catalyst to form surface layer slurry; and coating the surface layer slurry on a base cloth layer of the semi-finished product of the organic silicon synthetic leather, curing for 1 hour at 150 ℃ to improve the wear resistance of the base cloth layer, and obtaining the organic silicon synthetic leather product.
The relevant properties of the silicone synthetic leather products prepared in the above 3 examples are shown in the following table:
as can be seen from the above table, the organosilicon synthetic leather product prepared by the invention has 15 weeks hydrolysis resistance test, the leather surface does not crack or pulverize, the illumination resistance reaches 4 grades, and the organosilicon synthetic leather product also has the performance of bending at-30 ℃ and winding for 8 ten thousand times without cracking.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention is subject to the protection scope of the claims.
Claims (5)
1. A high resistant environmental protection organosilicon synthetic leather of waiting, its characterized in that: the adhesive fabric sequentially comprises a surface layer, an adhesive layer, base cloth and a surface layer from top to bottom;
the surface layer comprises the following components in parts by weight:
100-150 parts of two-component polysiloxane surface resin
1-4 parts of wear-resistant auxiliary agent
2-10 parts of color paste;
the two-component polysiloxane surface layer resin is prepared by mixing organic silicon resin 8300A and organic silicon resin 8300B produced by the Dow chemical method according to the mass ratio of 1: 1, mixing;
the bonding layer comprises the following components in parts by weight:
100-150 parts of two-component polysiloxane adhesive layer resin
1-4 parts of bonding auxiliary agent
1-5 parts of color paste;
the two-component polysiloxane adhesive layer resin is prepared from two organic silicon resins 8400A and 8400B which have the modulus of 30-50MPa and are produced by the Dow chemical method according to the mass ratio of 1: 1, mixing;
the surface treatment layer consists of the following components in parts by weight:
50-100 parts of two-component polymethylsiloxane modified resin
5-15 parts of a platinum metal catalyst.
2. The high weather-resistant environment-friendly organic silicon synthetic leather according to claim 1, characterized in that: the base fabric is knitted elastic fabric, the thickness of the base fabric is 0.8-1.0 mm, and the gram weight of the base fabric is 270-290 g/m2。
3. The high weather-resistant environment-friendly organic silicon synthetic leather according to claim 1, characterized in that: the bonding auxiliary agent is at least one of vinyl triethoxysilane, vinyl trimethoxysilane, gamma- (2, 3-epoxypropoxy) propyl triethoxysilane, gamma-methacryloxypropyl trimethoxysilane, 2- (3, 4-epoxycyclohexyl) ethyl triethoxysilane or hydrolysate.
4. The preparation method of the high weather-resistant environment-friendly organic silicon synthetic leather according to any one of claims 1 to 3, characterized by comprising the following steps: the method comprises the following steps:
(1) coating the surface layer slurry on the surface of release paper, and heating and drying to obtain an organic silicon synthetic leather surface layer;
(2) coating the adhesive layer slurry on an organic silicon synthetic leather surface layer, and drying to be semi-dry to obtain an organic silicon synthetic leather adhesive layer;
(3) attaching base cloth to the organic silicon bonding layer, curing, separating and rolling to obtain an organic silicon synthetic leather semi-finished product;
(4) and (4) coating the surface layer slurry on the semi-finished product of the organic silicon synthetic leather treated in the step (3), and curing to obtain the organic silicon synthetic leather product.
5. The method of claim 4, wherein: the drying temperature of the organic silicon synthetic leather surface layer in the step (1) is 80-130 ℃, and the gap between coating cutter heads of the surface layer slurry is 10-15 filaments;
the drying temperature of the organic silicon synthetic leather bonding layer in the step (2) is 100-110 ℃, and the gap between coating cutter heads of the bonding layer slurry is 15-30 filaments;
curing the semi-finished product of the organic silicon synthetic leather in the step (3) at the temperature of 120-150 ℃ for 50-70 minutes, wherein the lamination gap between the base cloth and the organic silicon bonding layer is 80-100 filaments;
the curing temperature of the organic silicon synthetic leather product in the step (4) is 130-170 ℃, the curing time is 50-70 minutes, and the coating amount of the surface layer slurry is 50-100 g per meter of leather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811169575.0A CN109023984B (en) | 2018-10-08 | 2018-10-08 | High-weather-resistance environment-friendly organic silicon synthetic leather and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811169575.0A CN109023984B (en) | 2018-10-08 | 2018-10-08 | High-weather-resistance environment-friendly organic silicon synthetic leather and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109023984A CN109023984A (en) | 2018-12-18 |
| CN109023984B true CN109023984B (en) | 2021-03-26 |
Family
ID=64615755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811169575.0A Active CN109023984B (en) | 2018-10-08 | 2018-10-08 | High-weather-resistance environment-friendly organic silicon synthetic leather and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109023984B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629246A (en) * | 2019-01-04 | 2019-04-16 | 昆山阿基里斯人造皮有限公司 | A kind of organosilicon ecological synthetic leather and preparation method thereof |
| CN111676707B (en) * | 2020-06-10 | 2021-07-23 | 浙江康成新材料科技有限公司 | Semi-silicon synthetic leather and preparation method thereof |
| CN112593419B (en) * | 2020-12-07 | 2023-09-08 | 安徽安利材料科技股份有限公司 | Preparation method of water-based low-temperature printing environment-friendly polyurethane synthetic leather |
| CN112832034B (en) * | 2020-12-31 | 2023-04-21 | 浙江路联装饰材料有限公司 | Modified organic silicon resin and application thereof in polyurethane solvent-free decorative leather, furniture leather and automobile leather |
| CN117103812B (en) * | 2023-08-28 | 2024-05-24 | 浙江禾欣新材料有限公司 | Intelligent wearable synthetic leather for organosilicon glove and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174262B (en) * | 2011-01-30 | 2012-12-19 | 东莞市贝特利新材料有限公司 | Environmental-friendly synthetic organosilicon leather and method for producing same |
| CN103821008B (en) * | 2014-03-12 | 2016-09-07 | 李江群 | Organosilicon synthetic leather of three-decker and preparation method thereof |
| CN104652137B (en) * | 2015-03-13 | 2017-03-01 | 厦门信得利投资发展有限公司 | A kind of preparation method of environment friendly silicon gluing finished leather |
-
2018
- 2018-10-08 CN CN201811169575.0A patent/CN109023984B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109023984A (en) | 2018-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109023984B (en) | High-weather-resistance environment-friendly organic silicon synthetic leather and preparation method thereof | |
| CN106590501B (en) | Single-component epoxy modified organosilicon sealant and preparation method thereof | |
| CN104974530B (en) | A kind of high-performance anti creepage trace silicon rubber and preparation method thereof | |
| CN107503168A (en) | A kind of high flame retardant no-solvent polyurethane synthetic leather and preparation method thereof | |
| CN113667399B (en) | Flexible thermal protection coating, flexible thermal protection coating for ethylene propylene rubber and preparation method of flexible thermal protection coating | |
| Pang et al. | Mussel‐inspired bio‐based water‐resistant soy adhesives with low‐cost dopamine analogue‐modified silkworm silk Fiber | |
| CN107722918B (en) | Sealing material for sensor and preparation method thereof | |
| CN117089313B (en) | PUR hot melt adhesive for composite board and production process thereof | |
| CN111154377B (en) | Ceramic-based submicron high-temperature corrosion-resistant wear-resistant composite coating and preparation method and application thereof | |
| CN102634026A (en) | Hydrogen-based silicone resin containing trifunctional group chain element and preparation method thereof | |
| CN102924734A (en) | Fluorosilicone, preparation method and application of fluorosilicone | |
| CN103880338B (en) | A kind of preparation method of coal ash heat-preservation decorative integrated plate | |
| CN113980601B (en) | Antistatic protective film | |
| CN103059283B (en) | Method for preparing polyester polyol by taking waste polyester bottles as main raw materials | |
| CN108755255B (en) | Local matte high-temperature-resistant release paper and preparation method thereof | |
| CN105001482A (en) | HDPE composite material for snowboard and preparation method thereof | |
| CN110483783B (en) | Preparation method of phenyl vinyl silicone resin | |
| CN114851648B (en) | High-toughness high-temperature-resistant CEM-1 plate and preparation method thereof | |
| CN115340809A (en) | Antistatic epoxy floor coating and preparation method thereof | |
| CN104448327A (en) | Flexible and rigid chain interactive boron-containing organic silicon resin as well as preparation method and application of flexible and rigid chain interactive boron-containing organic silicon resin | |
| CN108084930A (en) | A kind of LED display binding agent and preparation method thereof | |
| CN112442904A (en) | Polyurethane synthetic leather for silky suede sofa furniture and preparation method thereof | |
| CN115160608A (en) | Basalt fiber reinforced polyether-ether-ketone-based composite material and preparation method and application thereof | |
| CN112431029A (en) | High-environmental-protection solvent-free polyurethane synthetic leather for sofa furniture and preparation method thereof | |
| CN116751513A (en) | Leather surface treating agent 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |