High performance rubber-polyester blends

Details High performance rubber-polyester blends High performance rubber-polyester blends

1984-06-04

1985-12-10

Bleutge, John C.

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

Synthetic resins

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

525168, 525171, 525174, 525176, 525177, C08L 6702, C08L 2316

Patent

active

045580960

ABSTRACT:
This invention specifically relates to blends of grossly incompatible polymers (polyethylene terephthalate and rubber) which are blended with a dispersion stabilizer (compatibilizing agent) to obtain optimum properties, particularly impact strength. The dispersion stabilizers disclosed herein are alkenyl succinic anhydrides wherein said alkenyl group contains from 8 to 30 carbon atoms; alkyl succinic anhydrides wherein said alkyl group contains from 8 to 30 carbon atoms; and dimers, oligomers, and polymers of the structural formula: ##STR1## wherein x and y are integers, wherein R and Z can be the same or different, wherein R and Z are selected from the group consisting of alkyl moieties containing from 1 to 30 carbon atoms, alkenyl moieties containing from 2 to 30 carbon atoms, and hydrogen, wherein the total number of carbon atoms in R and Z is between 8 and 30, and wherein the indicates that the repeat units can be distributed in any order.

REFERENCES:
patent: 4219628 (1980-08-01), Weemes
patent: 4251644 (1981-02-01), Joffrion
patent: 4299927 (1981-11-01), Dombroski
patent: 4368295 (1983-01-01), Newton

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