Composition used for preparing anti-corrosion heat-insulation automobile film and preparation method thereof

A technology of automotive film and composition, applied in the direction of film/sheet adhesive, anti-corrosion coating, film/sheet release coating, etc., can solve the problems of reducing service life, achieve excellent effect, improve stability, Good performance

Inactive Publication Date: 2018-06-19
宁波蒙曼生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, during the use of automobile film, especially for transportation and engineering vehicles, it is vulnerable to acid, alkali and other chemical or physical damage, which reduces the service life. Therefore, in addition to t

Method used

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  • Composition used for preparing anti-corrosion heat-insulation automobile film and preparation method thereof
  • Composition used for preparing anti-corrosion heat-insulation automobile film and preparation method thereof
  • Composition used for preparing anti-corrosion heat-insulation automobile film and preparation method thereof

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preparation example Construction

[0031] A method for preparing a sunscreen and heat insulation car film 1, comprising the steps of:

[0032] (1) The base layer is composed of a copolymer and a plasticizer;

[0033] (2) The anti-corrosion layer is coated on the inner surface of the base layer, mainly composed of butyl hydroxybenzoate, tert-butyldimethylsilyl chloride, antioxidant, poly-L-sodium glutamate;

[0034] (3) The thermal insulation layer is composed of ethyl sorbate, active epoxy resin diluent, low methylated melamine formaldehyde resin, and phenylethyl ester, and the thermal insulation layer is coated on the outer surface of the base layer;

[0035] (4) The wear-resistant layer is made up of micropowder silica gel, propylene glycol p-toluate, microcrystalline cellulose and epoxy resin, and the wear-resistant layer is coated on the surface of the anti-corrosion layer;

[0036] (5) The protective film layer is composed of carboxyl-terminated hyperbranched polyester, antimony oxide, and phosphoric acid...

Embodiment 1

[0049] a. The base layer is made up of a copolymer and a plasticizer; the main material composition of the base layer is composed of 15 parts by weight of a copolymer and 6 parts of a plasticizer, wherein the copolymer is polypropylene-diene- Polystyrene-polypropylene block copolymer, the preparation process of the copolymer is: use rosin acid soap as emulsifier, use sodium persulfate as initiator, add appropriate amount of dodecyl mercaptan and palladium carbon, the prescription amount of acrylic acid Produced by emulsification copolymerization of diene and styrene.

[0050] b. The further steps of the anti-corrosion layer:

[0051] (1) butyl hydroxybenzoate and tert-butyldimethylsilyl chloride in parts by weight are dissolved in n-butane, stirred for 15min, and the rotating speed is 500rpm and a small amount of farnesol is added in the mixed solution, for subsequent use

[0052] (2) Slowly dissolve the poly-L-sodium glutamate of the prescribed amount in the mixed solution o...

Embodiment 2

[0067] Make corresponding changes according to embodiment one, 6 parts of polypropylene glycol diglycidyl ethers, 20 parts of polypropylene-polystyrene-polypropylene block copolymers, 8 parts of dioctyl phthalates, 4 parts of microcrystalline cellulose , 4 parts of sodium metabisulfite, 7 parts of antimony oxide, 16 parts of polyacrylate, 8 parts of carboxyl-terminated hyperbranched polyester, 9 parts of propylene glycol p-toluate, 9 parts of tert-butyldimethylsilyl chloride, dodecyl 10 parts of sodium benzenesulfonate, 12 parts of low methyl etherified melamine formaldehyde resin, 9 parts of phenylethyl ester, 12 parts of poly-L-sodium glutamate, 18 parts of butyl hydroxybenzoate, 5 parts of micropowdered silica gel, ethyl sorbate 20 parts of ester. The main material components of the anticorrosion layer are recorded in parts by weight: 30 parts of n-butane, 5 parts of farnesol, 1.5 parts of leveling agent, and 2 parts of defoamer.

[0068] The main material components of th...

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Abstract

The invention relates to the field of a film, and specifically speaking relates to a composition used for preparing an anti-corrosion heat-insulation automobile film and a preparation method thereof.An anti-corrosive coating employs butyl 4-hydroxybenzoate as a main raw material to increase the anticorrosion performance of the automobile film, tert-butyldimethylsilyl chloride is used for protecting a hydroxyl group in butyl 4-hydroxybenzoate, stability of butyl 4-hydroxybenzoate is effectively increased, acid-resistant performance is increased, a preferably selected anti-oxidant is combined with poly-L-monosodium glutamate for usage, and stability effect can be achieved. through preferably selecting the usage materials of a thermal-insulation layer and a wearing layer, and the heat insulation and antifriction effects are better than that of the prior art. An improved copolymer and carboxyl-terminated hyperbranched polyester are employed, so that long-term storage is achieved, and theperformance cannot be changed.

Description

technical field [0001] The invention relates to the field of film sticking, in particular to a composition for preparing an anti-corrosion and heat-insulating car film and a preparation method thereof. Background technique [0002] With the improvement of people's living standards, cars have gradually replaced ineffective tools, and the requirements for "modification" of cars are getting higher and higher. According to common sense in life, we can know that if exposed to the sun for a long time, not only the seats in the car The temperature of the car and the steering wheel will rise sharply, and the people sitting in the car will also be burned by the sun. The sun continuously radiates energy in the form of electromagnetic waves, and the solar energy radiated to the surface of the earth is about 750W / m2 per second. For objects exposed to sunlight, the surface temperature and internal ambient temperature will increase continuously due to the accumulation of heat. This not ...

Claims

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Application Information

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IPC IPC(8): C09J7/50C09J7/24C09J7/30C09D177/04C09D5/08C09D7/63C09D161/32C09D163/00C09D7/61C09D7/65C09D167/00
CPCC08K3/2279C08K5/101C08K5/1345C08K5/521C08K5/5419C09D5/08C09D161/32C09D163/00C09D167/00C09D177/04C09J2203/306C09J2301/122C09J2433/00C09J2453/006C09J2461/001C09J2467/003C08L1/04C08K3/36
Inventor 高正春
Owner 宁波蒙曼生物科技有限公司
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