Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-07-21
1989-02-14
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
428 364, C08L 5900
Patent
active
048047163
ABSTRACT:
Polyoxymethylene compositions having 15-40 wt. % thermoplastic polyurethane, where the polyurethane has a glass transition of lower than -15.degree. C., the polyoxymethylene has a molecular weight of 20,000-100,000, and the polyurethane is dispersed in the polyoxymethylene as small particles show extraordinary toughness as measured by notched Izod.
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Carrillo A.
E. I. Du Pont de Nemours and Company
Jacobs Lewis T.
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