Low Tg non-crystalline acetal copolymers

Details Low Tg non-crystalline acetal copolymers Low Tg non-crystalline acetal copolymers

1987-09-14

1988-11-29

Kight, John

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, 528270, C08G 6376, C08L 5904

Patent

active

047882581

ABSTRACT:
Low Tg copolymers of trioxane and 1,3-dioxolane which have a dioxolane content greater than 65 mol percent and less than about 75 mol percent and an IV of from about 1.0 to about 2.3, and which are non-crystalline at room temperature or above, are disclosed. These polymers, when blended with crystalline oxymethylene polymers, improve the latter's impact properties. They can also be used as adhesives for crystalline oxymethylene polymers.

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