UV curing resin, preparation method thereof and coating prepared therefrom

A technology of curing resin and curing coating, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve problems such as difficult control and unstable system, achieve high elasticity, increase internal crosslinking density, and improve flexibility.
CN103483537AActive Publication Date: 2014-01-01HUNAN BENAN YADA NEW MATERIALS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HUNAN BENAN YADA NEW MATERIALS
Publication Date
2014-01-01

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Abstract

The invention provides a UV curing resin. The UV curing resin comprises the following raw materials: polycaprolactone glycol, a polyhydroxy monomer, hydroxypropyl polydimethylsiloxane, aliphatic diisocyanate, hydroxy-terminated acrylic ester, a catalyst and a polymerization inhibitor. The UV curing resin is aliphatic polyfunctional urethane acrylate, and the backbone structure of the resin contains an internal cross-linked structure formed by the polyhydroxy monomer and the aliphatic diisocyanate; as the aliphatic diisocyanate is used, the internal cross-linked structure can not enable a paint film to be fragile while improving the hardness of the paint film; through reaction between the hydroxypropyl polydimethylsiloxane and the aliphatic diisocyanate, a siloxane structure is introduced into the backbone of the UV curing resin, so that the UV curing resin has excellent light transmittance. The invention also discloses a preparation method for the UV curing resin, as well as a UV curing coating prepared from the UV curing resin, and the UV curing coating also has high abrasion resistance and excellent light transmittance.
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Description

technical field

[0001] The invention relates to the field of coatings, in particular to an ultraviolet curable resin, a preparation method thereof and a coating prepared therefrom. Background technique

[0002] UV-curable coatings have short curing time, low curing temperature, and low volatility. They are energy-saving, environmentally friendly, and efficient coatings. For the coatings used on mobile phone buttons, computer keyboards, mice and other electronic products, high hardness and wear resistance are required, and good light transmission is required. Traditional UV-curable wear-resistant coatings are difficult to meet the requirements.

[0003] The patent number is 200710055531.0, and the patent name is a high wear-resistant light-cured coating, which discloses a high-wear-resistant light-cured coating, which uses nano-silica as the anti-wear agent and polyether-type aromatic polyurethane acrylate as the main resin , together with difunctional and multifunctional ac...

Claims

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