Crosslinked elastomeric acetal polymers

Details Crosslinked elastomeric acetal polymers Crosslinked elastomeric acetal polymers

1991-07-25

1995-05-02

Seidleck, James J.

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

Synthetic resins

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

525398, 528403, C08L 5902

Patent

active

054120420

ABSTRACT:
A crosslinked elastomeric acetal polymer is synthesized from 1,3-dioxolane, 1,3-dioxepane, and a polyfunctional crosslinking compound having two or more functional groups that react under conditions of cationic polymerization, such as 1,4-divinyloxybutane or poly(butadiene oxide). The polymers are elastomeric and non-crystalline at temperatures well below room temperature. They can be blended with crystalline acetal polymers to produce blends that have improved impact properties.

REFERENCES:
patent: 3393157 (1968-07-01), Janssen et al.
patent: 3422035 (1969-02-01), May et al.
patent: 4898925 (1990-02-01), Collins et al.
patent: 5041505 (1991-08-01), Collins et al.

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