Acrylic fluororesin and preparation method thereof

Abstract

The invention discloses acrylic fluororesin and a preparation method thereof. The acrylic fluororesin comprises, by weight, 50-55 parts of methyl methacrylate, 11-14 parts of butyl acrylate, 2-5 partsof acrylic acid, 11-14 parts of hydroxyethyl acrylate, 1.2-1.8 parts of tricarboxymethylpropane, 1-1.5 parts of dicumyl peroxide, 2-5 parts of chain transfer agent, 3-7 parts of rutile titanium dioxide, 3-7 parts of anti-settling agent, 3-7 parts of antifoaming agent, 3-7 parts of leveling agent, 3-7 parts of initiator, 60-80 parts of organic solvent and 2-6 parts of antioxidant. A mixed solutionB is placed in a reaction still, the temperature is controlled at 50-60 DEG C, a mixed monomer A is uniformly added dropwise within 2 hours, and heat preservation is conducted for 3 hours. The designis ingenious, and the formed resin has balanced physical and chemical properties, can adapt to different environments, has high adaptability and is suitable for popularization.

Description

Technical field [0001] The invention relates to the technical field of polymer coatings, in particular to an acrylic fluorine resin and a preparation method thereof. Background technique [0002] Acrylic resin is a general term for acrylic acid, methacrylic acid and its derivative polymers. Acrylic resin coating is a thermoplastic or thermosetting resin coating made of acrylic resin obtained by copolymerizing (meth)acrylate and styrene with other acrylates, or acrylic radiation coating. The thermoplastic acrylic resin does not undergo further crosslinking during the film forming process, so its relative molecular weight is relatively large, has good gloss and color retention, water and chemical resistance, fast drying, convenient construction, easy to recoat and rework, and prepare The whiteness and positioning of aluminum powder are good when aluminum powder paint. Thermoplastic acrylic resins are widely used in automobiles, electrical appliances, machinery, construction and o...

AI Technical Summary

Problems solved by technology

[0004] The patent number is CN201210101478.4, which proposes a preparation method and application of water-soluble fluorine-containing acrylic resin, including: adding acrylic acid monomer, fluorine-containing monomer, chain transfer agent, initiator and organic solvent into the reactor in advance, and carrying out Free radical polymerization and esterification, and then neutralized with a neutralizer to obtain a water-soluble fluorine-containing acrylic resin, the resin prepared by this method has weak oxidation resistance

[0005] Existing fluorocarbon resins have poor viscosity, are easy to fall off, have poor oxidation resistance, and are easily oxidized in oxygen-rich areas, thereby forming spots on the surface of the coating, resulting in unsightly appearance. The existing fluorocarbon resins have a single internal monomer structure , the adaptability to the environment is relatively poor, and the harsh environment is easy to age. Therefore, the present invention proposes a kind of acrylic fluororesin and its preparation method

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