Methacrylimide containing polymer

Details Methacrylimide containing polymer Methacrylimide containing polymer

1989-12-28

1990-09-04

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...

5253249, 525378, 525379, C08F 832

Patent

active

049545752

ABSTRACT:
A methacrylimide containing polymer, which is a thermoplastic polymer comprising from 2 to 100% by weight of a structural unit represented by the general formula (I): ##STR1## where R represents a hydrogen atom or an aliphatic group, aromatic group or cycloaliphatic hydrocarbon group with 1 to 20 carbon atoms, and from 0 to 98% by weight of a structural unit derived from an ethylenic monomer, in which a distribution range of an imidization radio of the polymer is less than 5%. The methacrylimide containing polymer has excellent transparency and heat resistance.

REFERENCES:
patent: 2146209 (1939-02-01), De Witt Graves
patent: 3284425 (1966-11-01), Schroder et al.
patent: 4246374 (1981-01-01), Kopchik
patent: 4727117 (1988-02-01), Hallden-Abberton et al.
patent: 4745159 (1988-05-01), Anzai et al.

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