CN114958194A - Durable antifouling leather surface coating agent and preparation method thereof - Google Patents
Durable antifouling leather surface coating agent and preparation method thereof Download PDFInfo
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- CN114958194A CN114958194A CN202111159917.2A CN202111159917A CN114958194A CN 114958194 A CN114958194 A CN 114958194A CN 202111159917 A CN202111159917 A CN 202111159917A CN 114958194 A CN114958194 A CN 114958194A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
- C14C11/003—Surface finishing of leather using macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Paints Or Removers (AREA)
Abstract
A durable antifouling leather surface finishing agent and a preparation method thereof, wherein the finishing agent comprises organic silicon-based glue, hydrogen-containing silicone oil, filler, platinum catalyst, inhibitor, organic solvent and the like, and also comprises the following components: POSS modified vinyl silicone resin: 1-15 parts; nitrogen-boron modified silicone resin: 1-15 parts; according to the invention, the polyorganosiloxane which contains at least two or more vinyl groups at the chain end or side chain and at least one or more POSS functional groups at the main chain or side chain is added into the formula, and the wear resistance of the whole formula is improved by introducing POSS; meanwhile, nitrogen boron silicon resin containing boron, isocyanate and titanium is added into the silicon resin through a specific synthesis method so as to improve the adhesive force between the organic silicon and the polyurethane, thereby avoiding the influence on the adhesive property while greatly improving the mechanical property of the finishing agent by using a small molecular coupling agent. The invention has good wear-resisting effect and can ensure the durability of antifouling.
Description
Technical Field
The invention belongs to the technical field of fine chemical engineering, and particularly relates to a leather surface finishing agent and a using method thereof.
Background
The leather is often polluted by scratches of a marking pen, a ball-point pen or a gel pen in the using process, and once the leather is polluted, the leather is difficult to wipe, so that the appearance of the leather is greatly influenced. Particularly, special protection is needed for some high-grade light-colored leather products such as bags, sofas and the like. At present, the organosilicon leather surface coating agent with the best antifouling effect has a very good antifouling function, but the mechanical property of organosilicon polymers is poor compared with that of traditional polymers such as polyurethane, polyvinyl chloride and the like, so that the antifouling effect of leather treated by the organosilicon coating agent is obviously poor even the antifouling function is not available after the leather is wiped for many times, and the antifouling durability caused by poor wear resistance of the organosilicon coating agent cannot meet the requirements of high-end markets such as automobile seats and the like.
Patent CN201811016831.2 discloses a semi-silicon synthetic leather, which can achieve a good antifouling grade, but can not solve the problem of how to improve the antifouling durability.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide a leather finishing agent which has a very good antifouling function and can keep the antifouling performance for a long time.
The invention is realized by the following technical scheme.
The invention relates to a durable antifouling leather surface finishing agent, which comprises organic silicon-based adhesive, hydrogen-containing silicone oil, a filler, a platinum catalyst, an inhibitor and an organic solvent, and is characterized by also comprising the following components in parts by weight: POSS modified vinyl silicone resin: 1-15 parts; nitrogen-boron modified silicone resin: 1-15 parts.
The POSS modified vinyl silicon resin is polyorganosiloxane which at least contains two or more vinyl groups at the chain end or side chain and at least contains one or more POSS functional groups at the main chain or side chain.
The nitrogen-boron modified silicone resin: sequentially adding silicon resin, boric acid, isocyanate propyl trimethoxy silane and toluene into a reaction bottle, heating to 60 ℃, adding tetrabutyl titanate after boric acid is completely dissolved, uniformly stirring, heating to 78-80 ℃, reacting for 5h, heating to 120 ℃, reducing pressure and vacuumizing (the vacuum degree is 0.6-0.8 MPa) to remove low-boiling-point substances, and vacuumizing for 60min to obtain the nitrogen-boron modified silicon resin.
Preferably, the durable antifouling leather surface finishing agent comprises the following components in parts by weight:
POSS modified vinyl silicone resin: 1-15 parts;
nitrogen-boron modified silicone resin: 1-15 parts;
organic silicon-based adhesive: 40-80 parts;
hydrogen-containing silicone oil: 1-24 parts;
filling: less than or equal to 40 portions;
platinum catalyst: 0.001-1 part;
inhibitor (b): 0.001-0.05 part;
organic solvent: less than or equal to 60 portions.
The organic silicon-based adhesive is a mixture of white carbon black and vinyl silicone oil, wherein the white carbon black comprises fumed silica and precipitated silica, the ethyl silicone oil comprises terminal vinyl silicone oil and polyvinyl silicone oil, and the viscosity is 1000-100000 mPa.s.
The hydrogen-containing silicone oil has polyorganosiloxane with at least 3 hydrogen atoms directly connected with Si, the hydrogen atoms are positioned at the chain end and/or a side chain, and the content of the hydrogen atoms is 0.3-1.6%.
The filler is one or a mixture of more than two of silicon dioxide, acrylic powder, aluminum hydroxide, aluminum oxide, magnesium hydroxide, zinc borate, aluminum silicate, calcium carbonate, magnesium carbonate, glass beads, white carbon black, organic silicon resin micro powder, silicon dioxide, calcium carbonate or magnesium oxide.
The platinum catalyst is one or a mixture of more than two of chloroplatinic acid isopropanol solution, chloroplatinic acid tetrahydrofuran solution, chloroplatinic acid-divinyl tetramethyl disiloxane complex, chloroplatinic acid-1, 3,5, 7-tetravinyl-1, 3,5, 7-tetramethyl-cyclotetrasiloxane or chloroplatinic acid-divinyl tetramethyl disiloxane, and the Pt atom content in the platinum catalyst is 300-100000 ppm.
The inhibitor is one or a mixture of more than two of methylbutinol, ethynyl cyclohexanol, maleic acid containing alkynyl or derivatives thereof, or polyvinyl polysiloxane.
The organic solvent of the invention is: c 5 -C 30 Alkane and/or arene, C 5 -C 30 One or a mixture of two of the ether and/or ester, octamethylcyclotetrasiloxane or decamethylcyclopentasiloxane.
In the coating agent of the present invention, an organic solvent such as an antioxidant, a coloring agent, an ultraviolet absorber, a light stabilizer, a feeling agent, an antistatic agent, a plasticizer, a flame retardant, a thickener, a surfactant, and a film-forming aid, and other resins may be added within a range that does not affect the performance.
The preparation method of the wear-resistant antifouling leather surface finishing agent comprises the following steps:
(1) adding POSS modified vinyl silicone resin, nitrogen-boron modified silicone resin, organic silicone-based adhesive and organic solvent into a reaction kettle; uniformly stirring by a high-speed dispersion machine at 1500 rpm, adding a filler, stirring at 1500 rpm for 30 min; then adding an inhibitor and hydrogen-containing silicone oil, stirring at 1500 rpm for 30min to obtain a hydrogen-containing component;
(2) adding a catalyst into the hydrogen-containing component obtained in the step (1), and stirring at 1500 rpm for 10min to obtain the durable antifouling leather surface finishing agent.
The technical principle and the technical effect of the invention are as follows: (1) POSS modified vinyl silicone resin is added into the formula, polyorganosiloxane which at least contains two or more vinyl groups at the chain end or side chain and at least contains one or more POSS functional groups in the main chain or side chain improves the wear resistance of the whole formula by introducing POSS; (2) besides the introduction of POSS to improve the wear resistance of the whole formula, the invention introduces the nitrogen-boron modified silicone resin, namely boron, isocyanate and titanium are introduced into the silicone resin by a specific modification method to improve the bonding force between organic silicon and polyurethane, thereby avoiding the use of a small-molecule coupling agent to greatly improve the mechanical property of the coating agent and ensuring the good bonding property of the organic silicon coating agent and leather.
The leather surface treatment agent can help the leather resist the scrawling of oil marking pens, ball pens and gel pens, has no residual mark after being wiped after red wine, coffee and mustard are polluted for 24 hours, and simultaneously has good wear-resisting effect and ensures the durability of antifouling.
Detailed Description
The technical solution of the present invention will be described in detail with reference to examples. The fractions and percentages used in the following examples are by weight unless otherwise indicated.
The raw materials used in the following examples were synthesized by oneself, and other raw materials were commercially available.
Example 1.
Adding 2 parts of POSS modified vinyl silicone resin, 14 parts of nitrogen-boron modified silicone resin, 45 parts of organic silicone-based adhesive and 20 parts of dodecane into a reaction kettle, and stirring at 1500 rpm for 5 min; then adding 10 parts of matting powder, stirring at 1500 rpm for 30 min; then adding 0.001 part of inhibitor and 2 parts of hydrogen-containing silicone oil, and stirring at 1500 rpm for 30 min; cooling, adding 0.01 part of platinum catalyst, stirring at 1500 rpm for 10 min; filtering with 150 mesh filter screen, treating the synthetic leather surface with 100 mesh gravure printing construction process, baking in 150 deg.C oven for 5min, standing at room temperature for 24h, and testing.
Example 2.
The preparation method is the same as that of the embodiment 1, and the raw materials of the preparation method comprise the following components in parts by weight:
POSS modified vinyl silicone resin: 14 parts of (1); nitrogen-boron modified silicone resin: 2 parts of (1); organic silicon-based adhesive: 75 parts of a mixture; hydrogen-containing silicone oil: 22 parts of (A); filling: 30 parts of (1); catalyst: 1 part; inhibitor (B): 0.05 part; organic solvent: 60 parts.
Comparative example 1.
The preparation method of the comparative example is the same as that of the example 1, and the raw materials of the comparative example are calculated according to the following weight parts:
POSS modified vinyl silicone resin: 0 part of (C); nitrogen-boron modified silicone resin: 14 parts of (1); organic silicon-based adhesive: 45 parts of (1); hydrogen-containing silicone oil: 2 parts of (1); filling: 10 parts of (A); catalyst: 0.01 part; inhibitor (B): 0.001 part; organic solvent: and 20 parts of the components.
Comparative example 2.
The preparation method of the comparative example is the same as that of the example 1, and the raw materials of the comparative example are calculated according to the following weight parts:
POSS modified vinyl silicone resin: 14 parts of (1); nitrogen-boron modified silicone resin: 0 part of (C); organic silicon-based adhesive: 45 parts of (1); hydrogen-containing silicone oil: 2 parts of (1); filling: 10 parts of (A); catalyst: 0.01 part; inhibitor (B): 0.001 part; organic solvent: and 20 parts.
Comparative example 3.
The preparation method of the comparative example is the same as that of the example 1, and the raw materials of the comparative example are calculated according to the following weight parts:
POSS modified vinyl silicone resin: 20 parts of (1); nitrogen-boron modified silicone resin: 14 parts of (1); organic silicon-based adhesive: 45 parts of (1); hydrogen-containing silicone oil: 2 parts of (1); filling: 10 parts of (A); catalyst: 0.01 part; inhibitor (B): 0.001 part; organic solvent: and 20 parts of the components.
Comparative example 4.
The preparation steps of the comparative example are the same as those of the example 1, and the raw materials of the comparative example are calculated according to the following weight parts:
POSS modified vinyl silicone resin: 14 parts of (1); nitrogen-boron modified silicone resin: 18 parts of a mixture; organic silicon-based adhesive: 45 parts of (1); hydrogen-containing silicone oil: 2 parts of a mixture; filling: 10 parts of (A); catalyst: 0.01 part; inhibitor (B): 0.001 part; organic solvent: and 20 parts.
Comparative example 5.
The coating agent was prepared according to the mass parts in example 1 of the invention patent CN201811016831.2, and the preparation procedure was the same as in example 1.
The measurement method and evaluation method of each experimental method are as follows.
(1) And (5) antifouling property testing.
The test was carried out as specified in ASTM D1308-02 using household chemicals including kitchen seasonings, beverages, ball point pens for 15min, 1h, 2h, 8h, 24h and the evaluation criteria were as follows.
Evaluation criteria: no removal of grade 1 stains; class 2 stains are almost ubiquitous; grade 3 mild stains; grade 4 did not have any residual stain.
(2) Peel strength.
The experiments were carried out as specified in DIN53273 with the following evaluation criteria.
Evaluation criteria: general grade >1.5kgf/cm in machine direction, >1.2kgf/cm in transverse direction; the reinforcement level is more than 2.5kgf/cm in the longitudinal direction and more than 2kgf/cm in the transverse direction; the super strength grade is greater than 3kgf/cm in the longitudinal direction and 2.5kgf/cm in the transverse direction.
(3) And (5) carrying out antifouling test after abrasion resistance.
Firstly, a CS-10 grinding wheel is adopted according to the specification of QB-T2726-2005, the load of the experimental condition is 1000g, after the test revolution is 1000 turns, the experiment is carried out according to the specification of ASTM D1308-02, household chemicals including kitchen seasonings, beverages and ball pens are used, the test time is 15min, 1h, 2h, 8h and 24h, and the evaluation standard is as follows.
And (4) evaluation standard: no removal of grade 1 stains; class 2 stains are almost ubiquitous; grade 3 mild stains; grade 4 did not have any residual stain.
Table 1 results of performance tests of examples 1 to 2 and comparative examples 1 to 5.
Physical property analysis: as can be seen from the data in table 1, examples 1 and 2 have excellent antifouling property, peel strength, and durable antifouling property after abrasion resistance, and satisfy the requirements of high-end markets. In contrast, in comparative example 1, the POSS-free modified vinyl silicone resin has no stain removal after wear resistance, and has no antifouling function after wear resistance; in comparative example 2, no nitrogen-boron modified silicone resin is added, and the organosilicon coating agent is easy to fall off on leather after being dried, so that the application cannot be met; in comparative example 3, the content of the POSS modified silicone resin is more than 15 parts, the silicone coating agent becomes brittle after being cured, and the silicone coating agent is cracked under a microscope, so that the application cannot be satisfied; in comparative example 4, the content of the nitrogen-boron modified silicone resin exceeds 15 parts, the compatibility with a system is poor, the resin is in a cracking state, and the application requirement cannot be met; in comparative example 5, after abrasion resistance, the stain was not removed at all, the stain-proofing function was not exhibited, and the stain-proofing could not be sustained.
The above experimental results demonstrate the rationality and the practical effect of the solution proposed by the present invention.
The applicant states that the present invention is illustrated in detail by the above examples, but the present invention is not limited to the above detailed methods, i.e. it is not meant that the present invention must rely on the above detailed methods for its implementation. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
Claims (10)
1. A durable antifouling leather surface finishing agent comprises organic silicon-based glue, hydrogen-containing silicone oil, a filler, a platinum catalyst, an inhibitor and an organic solvent, and is characterized by further comprising the following components in parts by weight: POSS modified vinyl silicone resin: 1-15 parts; nitrogen-boron modified silicone resin: 1-15 parts;
the POSS modified vinyl silicon resin is polyorganosiloxane which at least contains two or more vinyl groups at the chain end or side chain and at least contains one or more POSS functional groups at the main chain or side chain;
the nitrogen-boron modified silicone resin: sequentially adding silicon resin, boric acid, isocyanate propyl trimethoxy silane and toluene into a reaction bottle, heating to 60 ℃, adding tetrabutyl titanate after boric acid is completely dissolved, uniformly stirring, heating to 78-80 ℃, reacting for 5h, heating to 120 ℃, reducing pressure, vacuumizing to 0.6-0.8MPa, removing low-boiling-point substances, and vacuumizing for 60min to obtain the nitrogen-boron modified silicon resin.
2. The durable antifouling leather surface finishing agent as claimed in claim 1, which is characterized by comprising the following components in parts by mass:
POSS modified vinyl silicone resin: 1-15 parts;
nitrogen-boron modified silicone resin: 1-15 parts;
organic silicon-based adhesive: 40-80 parts;
hydrogen-containing silicone oil: 1-24 parts;
filling: less than or equal to 40 portions;
platinum catalyst: 0.001-1 part;
inhibitor (B): 0.001-0.05 part;
organic solvent: less than or equal to 60 portions.
3. The durable antifouling leather surface finishing agent as claimed in claim 1 or 2, wherein the silicone-based adhesive is a mixture of white carbon black and vinyl silicone oil, wherein the white carbon black comprises fumed silica, precipitated silica, ethyl silicone oil comprises terminal vinyl silicone oil and polyvinyl silicone oil, and the viscosity is 1000-100000 mPa.s.
4. A durable antifouling leather surface finishing agent as claimed in claim 1 or 2, wherein said hydrogen-containing silicone oil is a polyorganosiloxane having at least 3 hydrogen atoms directly bonded to Si, the hydrogen atoms being located at the chain end and/or side chain, and the hydrogen atom content is 0.3 to 1.6%.
5. The durable antifouling leather surface coating agent according to claim 1 or 2, wherein the filler is one or a mixture of two or more of silica, acrylic powder, aluminum hydroxide, aluminum oxide, magnesium hydroxide, zinc borate, aluminum silicate, calcium carbonate, magnesium carbonate, glass beads, white carbon, silicone resin fine powder, silica, calcium carbonate, and magnesium oxide.
6. The durable antifouling leather surface coating agent as claimed in claim 1 or 2, wherein the platinum catalyst is one or a mixture of two or more of chloroplatinic acid isopropanol solution, chloroplatinic acid tetrahydrofuran solution, chloroplatinic acid-divinyltetramethyldisiloxane complex, chloroplatinic acid-1, 3,5, 7-tetravinyl-1, 3,5, 7-tetramethyl-cyclotetrasiloxane or chloroplatinic acid-divinyltetramethyldisiloxane, and the platinum catalyst contains Pt atom in an amount of 300-100000 ppm.
7. The durable antifouling leather surface finishing agent as claimed in claim 1 or 2, wherein said inhibitor is one or a mixture of two or more of methylbutynol, ethynylcyclohexanol, alkynyl-containing maleic acid or its derivative, or polyvinyl polysiloxane.
8. A durable antifouling leather surface finish according to claim 1 or 2, characterized in that said organic solvent is: c 5 -C 30 Alkane and/or arene, C 5 -C 30 One or a mixture of two of the ether and/or ester, octamethylcyclotetrasiloxane or decamethylcyclopentasiloxane.
9. The surface finishing agent for durable antifouling leather as claimed in claim 1 or 2, wherein an antioxidant, a coloring agent, an ultraviolet absorber, a light stabilizer, a feeling agent, an antistatic agent, a plasticizer, a flame retardant, a thickener, a surfactant, a film-forming aid or other resins are added to the coating agent.
10. The preparation method of the wear-resistant antifouling leather surface finishing agent as claimed in claim 1 or 2, comprising the following steps:
(1) adding POSS modified vinyl silicone resin, nitrogen-boron modified silicone resin, organic silicone-based adhesive and organic solvent into a reaction kettle; uniformly stirring by a high-speed dispersion machine at 1500 rpm, adding a filler, stirring at 1500 rpm for 30 min; then adding an inhibitor and hydrogen-containing silicone oil, stirring at 1500 rpm for 30min to obtain a hydrogen-containing component;
(2) adding a catalyst into the hydrogen-containing component obtained in the step (1), and stirring at 1500 rpm for 10min to obtain the durable antifouling leather surface finishing agent.
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| CN202111159917.2A CN114958194B (en) | 2021-09-30 | 2021-09-30 | Durable antifouling leather surface coating agent and preparation method thereof |
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| CN202111159917.2A CN114958194B (en) | 2021-09-30 | 2021-09-30 | Durable antifouling leather surface coating agent and preparation method thereof |
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| CN114958194B CN114958194B (en) | 2023-03-10 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056349A (en) * | 2018-09-03 | 2018-12-21 | 江苏纳恩新材料有限公司 | Half silicon synthetic leather of one kind and preparation method thereof |
| CN109056357A (en) * | 2018-06-29 | 2018-12-21 | 启东纳恩新材料有限公司 | A kind of wear-resisting organosilicon leather and preparation method |
| WO2019031890A1 (en) * | 2017-08-10 | 2019-02-14 | 주식회사 케이씨씨 | Composition for coating silicone |
| US20190390084A1 (en) * | 2017-11-14 | 2019-12-26 | Guangzhou Xibo Chemical Technology Co., Ltd. | Organosilicon synthetic leather and preparation method thereof |
-
2021
- 2021-09-30 CN CN202111159917.2A patent/CN114958194B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019031890A1 (en) * | 2017-08-10 | 2019-02-14 | 주식회사 케이씨씨 | Composition for coating silicone |
| US20190390084A1 (en) * | 2017-11-14 | 2019-12-26 | Guangzhou Xibo Chemical Technology Co., Ltd. | Organosilicon synthetic leather and preparation method thereof |
| CN109056357A (en) * | 2018-06-29 | 2018-12-21 | 启东纳恩新材料有限公司 | A kind of wear-resisting organosilicon leather and preparation method |
| CN109056349A (en) * | 2018-09-03 | 2018-12-21 | 江苏纳恩新材料有限公司 | Half silicon synthetic leather of one kind and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 展喜兵等: ""加成型有机硅用增粘剂制备及性能研究"", 《粘接》 * |
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