Low yellow index polymer compositions, polymerisable composition

Details Low yellow index polymer compositions, polymerisable composition Low yellow index polymer compositions, polymerisable composition

1993-12-21

1995-08-15

Nagumo, Mark

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526313, 526286, 526289, 522181, 522182, 522178, 522180, C08F23204

Patent

active

054420229

ABSTRACT:
A polymer composition obtained by polymerisation of a polymerisable composition comprising: at least 50% by weight of a monomer or mixture of monomers having formula I ##STR1## wherein R.sub.1 and R.sub.2, which may be identical or different, represent hydrogen or C.sub.1 -C.sub.6 alkyl, X represents ##STR2## and wherein m+n is between 0 and 10, 0 to 50% by weight of one or more mono- or polyfunctional vinyl, acrylic or methacrylic comonomers (II); 0.5 to 15% by weight with respect to the weight of components (I) and (II) of a compound having formula (III) ##STR3## where R.sub.3 and R.sub.4 represent hydrogen or one of radicals R.sub.3 and R.sub.4 represents a hydrogen atom while the other forms a ring with R.sub.7 ; R.sub.5, R.sub.6 and R.sub.7 are hydrogen or an alkyl group which may be substituted by OH and/or interrupted.

REFERENCES:
patent: 4443588 (1984-04-01), Fukuda et al.
patent: 4931523 (1990-06-01), Watanabe et al.
patent: 4959429 (1990-09-01), Misura et al.
patent: 5235014 (1993-08-01), Chen et al.

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