Ultraviolet light curable coating compositions

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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20415914, 20415915, 20415916, C08J 328, C08F26102

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active

042542340

ABSTRACT:
A process for the preparation of an esterified resin for ultraviolet light curable coating compositions which comprises reacting an ethylenically unsaturated five-membered cyclic compound, such as cyclopentadiene, with a compound having both at least a double bond and hydroxyl group in the molecule, such as allyl alcohol, to obtain a hydroxyl group-containing resin which is then esterified with a carboxyl group-containing benzophenone derivative and, if desired, further esterified with an unsaturated carboxylic acid thereby to obtain the esterified resin. This invention also relates to the esterified resin so obtained and ultraviolet light curable coating compositions containing the same.

REFERENCES:
patent: 3702765 (1972-11-01), Laakso
patent: 3840390 (1974-10-01), Kozu et al.
patent: 3969323 (1976-07-01), Forrer et al.
patent: 3984381 (1976-10-01), Tsuchiya et al.
patent: 4008138 (1977-02-01), Rosen et al.
patent: 4028204 (1977-06-01), Rosen et al.

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