Silicon fluoride super-amphiphobic non-stick coating material

A non-stick coating and super-amphiphobic technology, applied in the coating and other directions, can solve the problems of non-drying at room temperature, poor decorative effect, and large environmental impact, and achieve the effect of easy peeling and rich varieties

Active Publication Date: 2006-07-26
ZIBO YINGQIANG CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 2. Some products cannot be dried at room temperature, and their construction is greatly affected by the environment;
[0005] 3. The product variety is single and the decorative effect is poor;
[0006] 4. The long-term non-stickiness of the product cannot be guaranteed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1: solid color white paint

[0034] Add 400g of tetrafluororesin to a 1.5L stainless steel tank. Tetrafluororesin is copolymerized from tetrafluoroethylene monomer, vinyl acetate, allyl alcohol and undecylenic acid. The solvent is butyl acetate, and its solid content is wt55 %, PTFE resin with a fluorine content of wt38%; 100g of silicone resin, which is a hydroxyl-terminated silicone resin with a solid content of 52% and an average molecular weight of 400,000; and 5g of dispersant BYK-163, 230g of rutile titanium dioxide , 30g of fumed silica with an average particle size of 5 microns, 100g of polytetrafluoroethylene micropowder with an average particle size of 5 microns, after high-speed dispersion, be sanded by a sand mill until the fineness is ≤15um, and then 2g of leveling agent is added BYK-300, 30g butyl acetate, 40g methyl isobutyl ketone, 63g propylene glycol methyl ether acetate, dispersed evenly to obtain a white fluorosilicone supe...

Embodiment 2

[0035] Example 2: Metallic Glitter Paint

[0036] Add 300g of tetrafluoroethylene monomer, vinyl acetate, allyl alcohol and undecylenic acid to a 1.5L stainless steel tank. The solvent is MIBK and butyl acetate. PTFE resin, 200g solid content of 48%, hydroxyl-terminated silicone resin with an average molecular weight of 650,000, 10g of fumed silica with an average particle size of 0.8 microns, 100g of polytetrafluoroethylene micropowder with an average particle size of 2 microns, through high-speed Disperse evenly to obtain a resin dispersion. In another container, add 80g of 40um aluminum powder slurry, 1g of dispersant BYK-163, 2g of leveling agent BYK-306, 100g of butyl acetate, and 187g of methyl isobutyl ketone. The above resin dispersion liquid is stirred at a low speed to disperse evenly to obtain a metallic flash fluorosilicon super amphiphobic non-stick coating. Take 100g of the above-mentioned paint and mix evenly with 6.5g of HDI trimer, add diluen...

Embodiment 3

[0037] Embodiment 3: pearlescent paint

[0038] Add 500g of tetrafluoroethylene monomer, vinyl acetate, allyl alcohol and undecylenic acid copolymerized into a 1.5L stainless steel tank, the solvent is PMA and MIBK, its solid content wt50%, fluorine content wt35% tetrafluoro Resin, 200g of hydroxyl-terminated silicone resin with a solid content of 50% and an average molecular weight of 520,000, 10g of fumed silica with an average particle size of 5 microns, and 80g of polytetrafluoroethylene micropowder with an average particle size of 2 microns, uniformly dispersed at high speed , to obtain a resin dispersion. In another container, add 60g of 15um pearl powder, 1g of dispersant BYK-163, 2g of leveling agent BYK-306, 120g of butyl acetate, and 17g of propylene glycol methyl ether acetate. Resin dispersion liquid, stirred at low speed to disperse evenly to obtain pearlescent fluorosilicon super amphiphobic non-stick coating. Take 100g of the above paint, mix...

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PUM

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Abstract

The invention relates to a non-sticking paint containing fluorine-silicon materials, which comprises a coating material portion and a curing agent portion, wherein the amount of the curing agent is 6.5-12% of the coating material portion, the coating material portion mainly comprises fluorocarbon resin, 10-20% of organosilicon resin, 3-30% of color filler, 1-5% of silicon micronized quartz powder and 3-10% of fluorine micronized powder, the curing agent is at least one of biuret, HDI trimer and organotin, the fluorocarbon resin is prepared from perfluoroethylene monomer, alkyl vinyl ester and functional monomers through copolymerization, wherein the fluorine content is greater than 35wt%, the solid content is greater than 50%, the organosilicon resin is end monohydric organosilicon resin.

Description

(1) Technical field [0001] The invention relates to a non-stick coating, in particular to a non-stick coating of a fluorine-containing silicon material. (2) Background technology [0002] The existing non-stick coatings in the market can be roughly divided into two categories: one is non-stick coatings for cooking utensils and home appliances, and the other is anti-graffiti non-stick coatings. The former category is represented by DuPont "Teflon". Due to the influence of the carcinogen perfluorooctanoic acid amine, its safety performance is being doubted by the world. However, due to the influence of various factors, the second category of coatings still has the following deficiencies: Where: [0003] 1. The non-stickiness is not particularly prominent; [0004] 2. Some products cannot be dried at room temperature, and their construction is greatly affected by the environment; [0005] 3. The product variety is single and the decorative effect is poor; [0006] 4. The lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/18C09D5/00C09D183/00
Inventor 张景海杨克济
Owner ZIBO YINGQIANG CHEM TECH
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