CN112832034A - Modified organic silicon resin and application thereof in polyurethane solvent-free decorative leather, furniture leather and automobile leather - Google Patents
Modified organic silicon resin and application thereof in polyurethane solvent-free decorative leather, furniture leather and automobile leather Download PDFInfo
- Publication number
- CN112832034A CN112832034A CN202011630006.9A CN202011630006A CN112832034A CN 112832034 A CN112832034 A CN 112832034A CN 202011630006 A CN202011630006 A CN 202011630006A CN 112832034 A CN112832034 A CN 112832034A
- Authority
- CN
- China
- Prior art keywords
- leather
- organic silicon
- parts
- solvent
- silicon 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.)
- Granted
Links
Images
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
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—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
- D06N3/18—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
- 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
- D06N2209/16—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
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1678—Resistive to light or to UV
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Abstract
The invention relates to an organic silicon resin, in particular to a modified organic silicon resin and application thereof in solvent-free polyurethane decorative leather, furniture leather and automobile leather. A modified organic silicon resin comprises the following raw materials in parts by weight: 30-60 parts of organic silicon resin, 10-20 parts of polyether polyol, 10-30 parts of fumed silica, 10-40 parts of liquid silica gel, 0.01-0.5 part of platinum catalyst, 0.1-1 part of inhibitor, 10-40 parts of vinyl double end socket, 5-20 parts of high hydrogen silicone oil, 0.5-2 parts of anti-doodling auxiliary agent and 1-5 parts of hand feeling agent. Compared with pure silica gel leather, the product has the advantages of improving the scratch resistance by 80%, enabling the leather to have full hand feeling and reducing the cost by 50%, and enabling the product performance to exceed that of solvent-free leather and pure silica gel leather.
Description
Technical Field
The invention relates to an organic silicon resin, in particular to a modified organic silicon resin and application thereof in polyurethane solvent-free leather.
Background
The conventional leathers are mainly genuine leather, PVC leathers (subbase + polyvinyl chloride) and oily PU leathers (subbase + polyurethane).
In the years, the scratch resistance of solvent-free water-based PU leather (substrate, solvent-free resin and water-based resin) on the market reaches more than 20 ten thousand times, the manufacturing process is environment-friendly, solvent-free and harmless to personnel, the performance-price ratio is higher, but special functions are not provided, and the environment-friendly scratch resistance is better and has little difference with the traditional leather.
In addition, synthetic leather consisting of organic silicon leather (substrate and silicon resin or silicon rubber) is also available in the market, generally called as organic silicon leather, and organic silicon leather products have excellent weather resistance (hydrolysis resistance, UV resistance and salt mist resistance), flame resistance, antifouling property, easy management, waterproofness, skin friendliness, no stimulation, mildew resistance, antibacterial property, safety, environmental protection and other properties, but leather is stiff in hand feeling, and poor in scratch resistance and tearing resistance due to the fact that a large amount of organic silicon materials are used. In addition, the silica gel is expensive, and the prepared leather cannot be widely accepted by the market.
Disclosure of Invention
The invention aims to provide a modified organic silicon resin which can be stably combined with an intermediate layer formed by solvent-free polyurethane resin, so that the prepared polyurethane solvent-free decorative leather has the advantages of full silica gel leather.
The invention also provides the modified organic silicon resin and application thereof in polyurethane solvent-free leather.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a modified organic silicon resin comprises the following raw materials in parts by weight:
30-60 parts of organic silicon resin,
10-20 parts of polyether polyol,
10-30 parts of gas-phase white carbon black,
10-40 parts of liquid silica gel,
0.01 to 0.5 percent of platinum catalyst,
0.1-1 parts of inhibitor,
10-40 parts of vinyl double-end socket,
5 to 20 portions of high hydrogen-containing silicone oil,
0.5 to 2 portions of anti-doodling auxiliary agent,
1-5 of hand feeling agent.
In the formula, polyether is used for modifying silicon resin, and platinum is used for catalyzing organic silicon to prepare the modified organic silicon resin.
A preparation method of the modified organic silicon resin comprises the following steps:
a. fully mixing the vinyl double-end socket, the fumed silica, the organic silicon resin, the liquid silica gel and the hand feeling agent, heating to 180 +/-10 ℃, fully vacuumizing and stirring for more than 4 hours to prepare a material A;
b. fully stirring the high hydrogen-containing silicone oil, the platinum catalyst and the anti-doodling auxiliary agent for more than 2 hours to prepare a material B;
c. stirring polyether polyol and an inhibitor to prepare a material C;
d. a, B, C are mixed and fully stirred according to the proportion of 100:10-20:10-20 respectively, and a proper amount of toner is added according to the design requirement for color matching to obtain the modified organic silicon resin.
The application of the modified organic silicon resin in solvent-free polyurethane decorative leather, furniture leather and automobile leather.
The organic silicon polyurethane solvent-free leather sequentially comprises a modified organic silicon resin layer, a water-based polyurethane resin layer, a solvent-free foaming bonding layer and base cloth or microfiber cloth from top to bottom, wherein the modified organic silicon resin layer is formed by coating the modified organic silicon resin slurry. The aqueous polyurethane resin layer and the solvent-free foaming adhesive layer are conventional techniques and conventional choices in the field, are not important for the research of the present invention, and will not be described herein.
The invention relates to application of modified organic silicon resin in solvent-free polyurethane decorative leather, furniture leather and automobile leather. The application of the modified organic silicon resin in the aspect of solvent-free leather realizes the effective perfect combination of the functions of silica gel and solvent-free polyurethane, greatly improves the performance and the efficacy of the leather, reduces the cost of the leather product, and is beneficial to popularization and application.
A preparation method of organic silicon polyurethane solvent-free leather comprises the following steps:
s1, preparing modified organic silicon resin slurry, covering the modified organic silicon resin slurry on release paper, and baking the release paper in an oven at the temperature of 110-130 ℃ for 3-5min to obtain a modified organic silicon resin layer;
s2, preparing aqueous polyurethane resin slurry, coating the aqueous polyurethane resin slurry on the modified organic silicon resin layer, and drying and curing at the temperature of 110-130 ℃ for 8-10min to form an aqueous polyurethane resin layer;
s3, preparing solvent-free polyurethane resin slurry, coating the solvent-free polyurethane resin slurry on a water-based polyurethane resin layer to form a solvent-free foaming bonding layer, drying at the temperature of 100-120 ℃ to enable the solvent-free foaming bonding layer to be compounded with base cloth or microfiber cloth, and then drying at the temperature of 120-140 ℃ for 15-20min to obtain semi-finished leather;
s4, separating the release paper from the semi-finished leather, curing at 35 +/-2 ℃ for more than 12 hours, and post-treating the organic silicon resin to obtain the finished leather.
The invention has the beneficial effects that:
the modified organic silicon resin provided by the invention is used in polyurethane solvent-free leather, can exert the advantages of environment-friendly solvent-free leather, low VOC (volatile organic compound) emission, scratch resistance, full hand feeling and the like, and can exert the functions of organic silicon (such as antifouling, smoothness, high and low temperature resistance, weather resistance, antibacterial and mildew resistance, ultraviolet resistance and flame retardance) on the surface of the leather. Compared with pure silica gel leather, the product has the advantages of improving the scratch resistance by 80%, enabling the leather to have full hand feeling and reducing the cost by 50%, and enabling the product performance to exceed that of solvent-free leather and pure silica gel leather.
Drawings
FIG. 1 is a schematic cross-sectional view of a silicone polyurethane solventless leather product of the present invention, in which a modified silicone resin layer (1), an aqueous polyurethane resin layer (2), a solventless foaming adhesive layer (3) and a base fabric (4);
FIG. 2 is a photograph of a silicone polyurethane solventless leather product of the present invention.
Detailed Description
The technical solution of the present invention will be further specifically described below by way of specific examples. It is to be understood that the practice of the invention is not limited to the following examples, and that any variations and/or modifications may be made thereto without departing from the scope of the invention.
In the present invention, all parts and percentages are by weight, unless otherwise specified, and the equipment and materials used are commercially available or commonly used in the art. The methods in the following examples are conventional in the art unless otherwise specified.
The reagents used in the following examples, unless otherwise specified, were purchased from conventional biochemical reagent stores.
The common equipment used in the following examples is shown in Table 1.
TABLE 1
The sources of reagents used in the following examples are shown in table 2.
TABLE 2
| Name of article | Model number | Manufacturer of the product |
| Silicone resin | LX-7080 | Novel Shandong Shengyu material |
| Polyether polyols | X6033 | Asahi Chuan chemistry |
| Fumed silica | HB152D | Yichang Hui Fu |
| Liquid silica gel | KDS4A58 | Dongguan Keduo |
| Platinum catalyst | D4B21 | Dongguan Dongcheng Cheng |
| Inhibitors | A65 | Beijing Bailingwei science and technology |
| Vinyl double seal head | F02 | JIANGXI HUAER RUNZHI NEW MATERIAL Co.,Ltd. |
| High hydrogen-containing silicone oil | F03 | JIANGXI HUAER RUNZHI NEW MATERIAL Co.,Ltd. |
| Anti-graffiti adjuvants | 3822F3 | Sirocco chemical Co., Guangzhou city |
| Hand feeling agent | 9988 | Changzhou LangYing oil chemical Co Ltd |
The core of the invention is to provide a modified organic silicon resin, which comprises the following raw materials in parts by weight: 30-60 parts of organic silicon resin, 10-20 parts of polyether polyol, 10-30 parts of fumed silica and liquid silica gel
10 to 40 portions of platinum catalyst, 0.01 to 0.5 portion of inhibitor, 10 to 40 portions of vinyl double-end socket, 5 to 20 portions of high hydrogen silicone oil, 0.5 to 2 portions of anti-graffiti auxiliary agent and 1 to 5 portions of hand feeling agent.
The second core of the invention is to provide a preparation method of the modified organic silicon resin, which comprises the following steps:
a. fully mixing the vinyl double-end socket, the fumed silica, the organic silicon resin, the liquid silica gel and the hand feeling agent, heating to 180 +/-10 ℃, fully vacuumizing and stirring for more than 4 hours to prepare a material A;
b. fully stirring the high hydrogen-containing silicone oil, the platinum catalyst and the anti-doodling auxiliary agent for more than 2 hours to prepare a material B;
c. stirring polyether polyol and an inhibitor to prepare a material C;
d. a, B, C are respectively mixed and fully stirred according to the weight ratio of 100:10-20:10-20, and a proper amount of toner is added according to the design requirement for color matching, so as to obtain the modified organic silicon resin.
The third core of the invention is to provide the application of the modified organic silicon resin in polyurethane solvent-free decorative leather, furniture leather and automobile leather.
The fourth core of the invention is to provide the organic silicon polyurethane solvent-free leather which has the structure shown in figure 1 and sequentially comprises a modified organic silicon resin layer 1, a water-based polyurethane resin layer 2, a solvent-free foaming adhesive layer 3 and a base fabric 4 from top to bottom, wherein the modified organic silicon resin layer is formed by coating the modified organic silicon resin slurry. The base cloth 4 may be replaced with a microfiber cloth.
The core of the invention is to provide a preparation method of organic silicon polyurethane solvent-free leather, which comprises the following specific steps:
s1, preparing modified organic silicon resin slurry, covering the modified organic silicon resin slurry on release paper, and baking the release paper in an oven at the temperature of 110-130 ℃ for 3-5min to obtain a modified organic silicon resin layer;
the thickness of the coating of the modified organic silicon resin slurry is controlled to be 0.1-0.15 mm;
the modified organic silicon resin is prepared by the embodiment;
s2, preparing aqueous polyurethane resin slurry, coating the aqueous polyurethane resin slurry on the modified organic silicon resin layer, and drying and curing at the temperature of 110-130 ℃ for 8-10min to form an aqueous polyurethane resin layer;
s3, preparing solvent-free polyurethane resin slurry, coating the solvent-free polyurethane resin slurry on a water-based polyurethane resin layer to form a solvent-free foaming bonding layer, drying at the temperature of 100-120 ℃ to enable the solvent-free foaming bonding layer to be compounded with base cloth or microfiber cloth, and then drying at the temperature of 120-140 ℃ for 15-20min to obtain semi-finished leather;
s4, separating the release paper from the semi-finished leather, curing at 35 +/-2 ℃ for more than 12 hours, and post-treating the organic silicon resin to obtain the finished leather.
Aqueous polyurethane resin slurry, solvent-free polyurethane resin slurry are conventional choices.
Firstly, preparing modified organic silicon resin
1. The raw material formulation of the modified silicone resin is shown in table 3.
TABLE 3 formulation of modified Silicone resin (unit: kg)
| Raw materials | Example 1 | Example 2 | Example 3 |
| Silicone resin | 30 | 60 | 40 |
| Polyether polyols | 20 | 20 | 10 |
| Fumed silica | 15 | 20 | 30 |
| Liquid silica gel | 20 | 40 | 10 |
| Platinum catalyst | 0.5 | 0.5 | 0.5 |
| Inhibitors | 0.5 | 0.9 | 1 |
| Vinyl double seal head | 30 | 40 | 10 |
| High hydrogen-containing silicone oil | 20 | 5 | 10 |
| |
1 | 1 | 2 |
| |
2 | 3 | 5 |
2. Preparation process
a. And (3) fully mixing the vinyl double-end socket, the fumed silica, the organic silicon resin, the liquid silica gel and the hand feeling agent, heating to 180 ℃, fully vacuumizing and stirring for more than 4 hours to obtain the material A.
b. And fully stirring the high-hydrogen silicone oil, the platinum catalyst and the anti-doodling auxiliary agent for more than 2 hours to prepare a material B.
c. And stirring the polyether polyol and the inhibitor to obtain a material C.
Second, leather product production process
A preparation method of organic silicon polyurethane solvent-free leather comprises the following specific steps:
s1, mixing A, B, C three groups of the raw materials according to the weight ratio of 100:10:10, stirring fully, adding toner for color mixing, and preparing an M1 material;
s2, fully stirring the aqueous polyurethane resin slurry, and adding color paste to obtain an intermediate layer material M2;
s3, putting the solvent-free polyurethane resin slurry into a casting tank for later use to prepare M3;
s4, the concrete process of the product production refers to the content of the fifth core of the invention, and the process flow is as follows: a leather production line adopting a three-coating four-drying method
The aqueous polyurethane resin layer and the solvent-free foaming adhesive layer are conventional techniques and conventional choices in the field, are not important for the research of the present invention, and will not be described herein.
Test results
The photo of the leather produced by the process is shown in figure 2, and the market is commonly called semi-silica gel leather. Through detection, the detection result of the organic silicon polyurethane solvent-free leather product prepared by the method is as follows:
a. the leather comprises the following components:
40-45% of fiber fabric, 50-55% of solvent-free polyether, polycarbon, 10-15% of organic silicon polymer, no PVC (polyvinyl chloride) and low VOCs (volatile organic compounds) emission; can be recovered, meets the RoHs environmental protection, REACH, 65 standards of California of America, and has no toxicity, formaldehyde and lead; contains no plasticizer/phthalate/heavy metal/BPA, is harmless to air and water, and has no odor. b. Color fastness of leather:
dry wiping color fastness is 4 grade, wet wiping is 3 grade;
perspiration fastness AATCC15 grade 4.
c. Leather stain resistance:
ink CFFA-141, grade 5; indigo transfer (no knowledge of translation accuracy) CFFA-141, grade 5,
cooking oil CFFA-141, grade 5; coffee/chocolate CFFA-141, grade 5,
blood stain/urine/iodine CFFA-141, grade 5; mustard sauce/red wine CFFA-141, grade 5,
lipstick CFFA-141, grade 5; ball-point pen, oil marker pen, Mark pen CFFA-141, grade 5.
d. Physical properties of leather:
martindale is wear resistant for 20 ten thousand times and is not broken;
TABOR H18500 g weight more than 10000 turns;
bending resistance is carried out for 50 ten thousand times at normal temperature; hydrolysis resistance: ASTM D3609-02,7 weeks; soaking 10% of NaoH at normal temperature; the physical properties were not significantly changed after 72 hours.
e. And (3) leather flame retardance:
the united states standard flame retardant, california 117, the british standard flame retardant, B1,
does not promote the growth of the mould, does not contain antibacterial additive/bactericide/or flame retardant,
cytotoxicity test: the ISO 10993-5 GLP-test passes,
skin allergy test: ISO10993-10 GLP-irritation was negligible.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (6)
1. The modified organic silicon resin is characterized by comprising the following raw materials in parts by weight:
30-60 parts of organic silicon resin,
10-20 parts of polyether polyol,
10-30 parts of gas-phase white carbon black,
10-40 parts of liquid silica gel,
0.01 to 0.5 percent of platinum catalyst,
0.1-1 parts of inhibitor,
10-40 parts of vinyl double-end socket,
5 to 20 portions of high hydrogen-containing silicone oil,
0.5 to 2 portions of anti-doodling auxiliary agent,
1-5 of hand feeling agent.
2. A method for preparing a modified silicone resin according to claim 1, comprising the steps of:
a. fully mixing the vinyl double-end socket, the fumed silica, the organic silicon resin, the liquid silica gel and the hand feeling agent, heating to 180 +/-10 ℃, fully vacuumizing and stirring for more than 4 hours to prepare a material A;
b. fully stirring the high hydrogen-containing silicone oil, the platinum catalyst and the anti-doodling auxiliary agent for more than 2 hours to prepare a material B;
c. stirring polyether polyol and an inhibitor to prepare a material C;
d. a, B, C are respectively mixed and fully stirred according to the weight ratio of 100:10-20:10-20, and a proper amount of toner is added according to the design requirement for color matching, so as to obtain the modified organic silicon resin.
3. Use of the modified silicone resin of claim 1 in solvent-free polyurethane decorative leather, furniture leather, and automobile leather.
4. An organic silicon polyurethane solvent-free leather is characterized in that: the modified silicone resin comprises a modified silicone resin layer (1), a water-based polyurethane resin layer (2), a solvent-free foaming adhesive layer (3) and a base cloth or a microfiber cloth (4) from top to bottom in sequence, wherein the modified silicone resin layer is formed by coating the modified silicone resin slurry as claimed in claim 1.
5. A preparation method of organic silicon polyurethane solvent-free leather is characterized by comprising the following steps:
s1, preparing modified organic silicon resin slurry, covering the modified organic silicon resin slurry on release paper, and baking the release paper in an oven at the temperature of 110-130 ℃ for 3-5min to obtain a modified organic silicon resin layer;
s2, preparing aqueous polyurethane resin slurry, coating the aqueous polyurethane resin slurry on the modified organic silicon resin layer, and drying and curing at the temperature of 110-130 ℃ for 8-10min to form an aqueous polyurethane resin layer;
s3, preparing solvent-free polyurethane resin slurry, coating the solvent-free polyurethane resin slurry on a water-based polyurethane resin layer to form a solvent-free foaming bonding layer, drying at the temperature of 100-120 ℃ to enable the solvent-free foaming bonding layer to be compounded with base cloth or microfiber cloth, and then drying at the temperature of 120-140 ℃ for 15-20min to obtain semi-finished leather;
s4, separating the release paper from the semi-finished leather, curing at 35 +/-2 ℃ for more than 12 hours, and post-treating the organic silicon resin to obtain the finished leather.
6. The method for preparing polyurethane solvent-free decorative leather according to claim 5, wherein the method comprises the following steps: in step S1, the thickness of the coating of the modified organic silicon resin slurry is controlled to be 0.1-0.15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011630006.9A CN112832034B (en) | 2020-12-31 | 2020-12-31 | Modified organic silicon resin and application thereof in polyurethane solvent-free decorative leather, furniture leather and automobile leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011630006.9A CN112832034B (en) | 2020-12-31 | 2020-12-31 | Modified organic silicon resin and application thereof in polyurethane solvent-free decorative leather, furniture leather and automobile leather |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112832034A true CN112832034A (en) | 2021-05-25 |
| CN112832034B CN112832034B (en) | 2023-04-21 |
Family
ID=75924831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011630006.9A Active CN112832034B (en) | 2020-12-31 | 2020-12-31 | Modified organic silicon resin and application thereof in polyurethane solvent-free decorative leather, furniture leather and automobile leather |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112832034B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232358A (en) * | 2021-12-25 | 2022-03-25 | 华伦皮塑（苏州）有限公司 | Environment-friendly anti-doodling solvent-free foamed synthetic leather and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000016996A (en) * | 1998-06-29 | 2000-01-18 | Dow Corning Asia Ltd | Production of aromatic chlorosilane compound by hydrosilylation reaction |
| CN102365289A (en) * | 2009-04-01 | 2012-02-29 | 瓦克化学股份公司 | Method for producing hydrocarbon oxy-silicon compounds |
| CN103724609A (en) * | 2013-12-31 | 2014-04-16 | 广州星业科技股份有限公司 | Modified monomer and organic modified polysiloxane prepared thereby |
| CN104910388A (en) * | 2015-06-24 | 2015-09-16 | 吉林大学 | Polyol ester/polyether co-modified silicone oil and special oil agent for carbon fibers |
| CN106498759A (en) * | 2016-11-15 | 2017-03-15 | 惠州赛力珑新材料有限公司 | A kind of wear-resisting organosilicon synthetic leather and preparation method thereof |
| CN109023984A (en) * | 2018-10-08 | 2018-12-18 | 安徽安利材料科技股份有限公司 | A kind of high durable environmental protection organosilicon synthetic leather and preparation method thereof |
| CN109337029A (en) * | 2018-09-11 | 2019-02-15 | 东莞市雄林新材料科技股份有限公司 | A kind of high abrasion TPU/ material silica gel composite and preparation method thereof |
| CN109722917A (en) * | 2019-01-31 | 2019-05-07 | 四川大学 | A kind of surface tension and recoatability method for improving of organosilicon synthetic leather coating |
| CN111676707A (en) * | 2020-06-10 | 2020-09-18 | 浙江康成新材料科技有限公司 | Semi-silicon synthetic leather and preparation method thereof |
-
2020
- 2020-12-31 CN CN202011630006.9A patent/CN112832034B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000016996A (en) * | 1998-06-29 | 2000-01-18 | Dow Corning Asia Ltd | Production of aromatic chlorosilane compound by hydrosilylation reaction |
| CN102365289A (en) * | 2009-04-01 | 2012-02-29 | 瓦克化学股份公司 | Method for producing hydrocarbon oxy-silicon compounds |
| CN103724609A (en) * | 2013-12-31 | 2014-04-16 | 广州星业科技股份有限公司 | Modified monomer and organic modified polysiloxane prepared thereby |
| CN104910388A (en) * | 2015-06-24 | 2015-09-16 | 吉林大学 | Polyol ester/polyether co-modified silicone oil and special oil agent for carbon fibers |
| CN106498759A (en) * | 2016-11-15 | 2017-03-15 | 惠州赛力珑新材料有限公司 | A kind of wear-resisting organosilicon synthetic leather and preparation method thereof |
| CN109337029A (en) * | 2018-09-11 | 2019-02-15 | 东莞市雄林新材料科技股份有限公司 | A kind of high abrasion TPU/ material silica gel composite and preparation method thereof |
| CN109023984A (en) * | 2018-10-08 | 2018-12-18 | 安徽安利材料科技股份有限公司 | A kind of high durable environmental protection organosilicon synthetic leather and preparation method thereof |
| CN109722917A (en) * | 2019-01-31 | 2019-05-07 | 四川大学 | A kind of surface tension and recoatability method for improving of organosilicon synthetic leather coating |
| CN111676707A (en) * | 2020-06-10 | 2020-09-18 | 浙江康成新材料科技有限公司 | Semi-silicon synthetic leather and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王娟等: "聚醚改性有机硅的合成及其表征", 《毛纺科技》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232358A (en) * | 2021-12-25 | 2022-03-25 | 华伦皮塑（苏州）有限公司 | Environment-friendly anti-doodling solvent-free foamed synthetic leather and preparation method thereof |
| CN114232358B (en) * | 2021-12-25 | 2023-11-03 | 马鞍山瑞高科技有限公司 | Environment-friendly anti-graffiti solvent-free foaming synthetic leather and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112832034B (en) | 2023-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105297449B (en) | Agent and preparation method at a kind of artificial leather, use for synthetic leather aqueous wear-resistant scratch resistance table | |
| CN106543840B (en) | Water based acrylic resin and water soluble acrylic acid amino-stoving varnish and preparation method and metal works beneficial to deep processing | |
| CN109517414B (en) | Inorganic antibacterial coating and preparation method thereof | |
| CN101298550B (en) | Nanometer mildewproof sealing neutral silicone resin | |
| CN101717603A (en) | Aqueous dull finishing coat, preparation method and use method thereof | |
| CN108250411B (en) | Organosilicon modified epoxy resin aqueous curing agent and preparation method thereof | |
| CN103467697B (en) | A kind of environment-friendly water-based polyurethane coating and adopt the wallpaper of this kind of coating | |
| CN109627959B (en) | Water-based UV (ultraviolet) high-fullness high-transparency primer as well as preparation method and application thereof | |
| CN112832034A (en) | Modified organic silicon resin and application thereof in polyurethane solvent-free decorative leather, furniture leather and automobile leather | |
| CN109486393B (en) | Special high-gloss anti-fouling wear-resistant water-based paint for PVC surface decoration and preparation method thereof | |
| CN113088231A (en) | True porcelain cement and preparation method thereof | |
| CN107141989A (en) | PVC, PU artificial leather aqueous surface-treating agent and preparation method thereof, product | |
| CN106242365A (en) | A kind of high intensity heavy antisepsis height anti-soil quartzite slate and preparation method thereof | |
| WO2017088083A1 (en) | Water-based polishing treating agent for synthetic leather and preparation method therefor | |
| CN103102766A (en) | High adhesive force water-based glass paint and preparation method thereof | |
| CN114381174A (en) | Automobile exterior high-brightness black coating and preparation method and application thereof | |
| CN101245220A (en) | Polyurethane water paint | |
| CN114381126A (en) | Organic silicon synthetic leather and preparation method thereof | |
| CN109023982A (en) | Zero DMF environment-friendly and high-performance silastic polymer synthetic leather and its manufacturing technology | |
| CN106317764B (en) | A kind of method of modifying improving phenolic resin toughness and anti-flammability | |
| KR100292584B1 (en) | Pollution-free Flooring and Method for the Manufacturing thereof | |
| CN113502664B (en) | Low-atomization PU synthetic leather and preparation method thereof | |
| CN109354996A (en) | A kind of powdery paints and application thereof | |
| CN109468051A (en) | Woodcare paint closes resin and its synthetic method with waterborne cation polysiloxane modified polyurethane | |
| CN115538188B (en) | Low-odor water-based antifouling polyurethane synthetic leather and preparation method and application 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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yuhui Inventor after: Shu Jiajun Inventor after: Wang Haibo Inventor before: Zhang Yuhui Inventor before: Cao Wenkui |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313300 Tangpu, Anji Economic Development Zone, Huzhou City, Zhejiang Province Patentee after: Zhejiang Lulian Decorative Material Co.,Ltd. Address before: 313300 Tangpu, Anji Economic Development Zone, Huzhou City, Zhejiang Province Patentee before: ZHEJIANG LULIAN DECORATIVE MATERIAL Co.,Ltd. |