Preparation of (meth) acrylic/glutarimide copolymers

Details Preparation of (meth) acrylic/glutarimide copolymers Preparation of (meth) acrylic/glutarimide copolymers

1993-10-04

1995-05-30

Lipman, Bernard

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253299, 528481, 528492, 528503, C08F 832

Patent

active

054202094

ABSTRACT:
(Meth)acrylic/glutarimide copolymers, well suited, e.g., for optical applications, having enhanced glass transition temperatures (Tg), are prepared by salifying the acid functions of (meth)acrylic ester/(meth)acrylic acid copolymers, and then imidifying such "intermediate" salified copolymers into the subject (meth)acrylic/glutarimide polymers.

REFERENCES:
patent: 3284425 (1966-11-01), Schroder et al.
patent: 4169924 (1979-10-01), Barbas et al.
patent: 4816524 (1989-03-01), Anzai et al.
patent: 5159058 (1992-10-01), Jerman et al.
Chemical Abstract No. 60149s, vol. 113, No. 8, Otani et al., p. 22, "Heat-Resistant Copolymers Containing Six-Membered Acid Anhydride And Imide Units".
Japanese Abstract No. A-61,043,604, "Modified Copolymer".

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