Elastomeric crosslinked poly(1,3-dioxlane)

Details Elastomeric crosslinked poly(1,3-dioxlane) Elastomeric crosslinked poly(1,3-dioxlane)

1991-07-25

1994-02-15

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, 528230, 5282453, 528249, 528403, 528405, 528406, 528418, 528421, C08L 2914

Patent

active

052868087

ABSTRACT:
Crosslinked elastomeric acetal polymers are made by the copolymerization of 1,3-dioxolane with a smaller amount of one or more bifunctional monomers. The two functional groups of the bifunctional monomer react under the same cationic polymerization conditions as the 1,3-dioxolane. The elastomeric acetal polymer does not crystallize even when the temperature is as low as -50.degree. C. The elastomeric acetal polymer is particularly useful for blending with crystalline acetal polymers to yield a composition with improved impact resistance.

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: 4937312 (1990-06-01), Collins et al.

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