Methacrylamide resin composition

Details Methacrylamide resin composition Methacrylamide resin composition

1989-05-10

1991-01-01

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524336, 524337, C08K 513, C08K 510

Patent

active

049818929

ABSTRACT:
A thermoplastic resin composition comprising 0.01 to 10 parts by weight of at least one ultraviolet ray absorbent having a peak absorption wavelength at 240-300 nm in the range of 240-400 nm and 100 parts by weight of methacrylimide group-containing polymer containing at least 5% by weight of imide ring structural unit expressed by the following structural formula is disclosed: ##STR1## (wherein R.sub.1 is a hydrogen atom, or a substituted or non-substituted alkyl group having 1-20 carbon atoms, cycloalkyl group, aryl group, alkalyl group, alalkyl group, or allyl group.)
This composition has an improved weather durability and thermal resistance as well as light transmittance.

REFERENCES:
patent: 2146209 (1939-02-01), Graves
patent: 3206431 (1965-09-01), Doyle et al.
patent: 3382183 (1968-05-01), Donoian et al.
patent: 4246374 (1981-01-01), Kopchik
patent: 4727117 (1988-02-01), Abberton
patent: 4745159 (1988-05-01), Anzai et al.
patent: 4816524 (1989-03-01), Anzai et al.

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