Transparent thermoplastic elastomeric compositions and articles

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524269, 524490, 524505, C08K 524

Patent

active

046136401

ABSTRACT:
Compositions, including hydrocarbon elastomeric block copolymers, such as styrene-ethylene-butylene-styrene and styrene-butadiene-styrene with mineral oil and essentially linear (i.e. non-cross-linked) polysiloxanes are made transparent by using polysiloxanes which are miscible with mineral oil. A preferred polysiloxane is polymethyloctyl siloxane. Transparent films, bags, tubes and other articles, especially useful in medical applications, such as catheters, blood tubes and blood bags, can be processed from the compositions.

REFERENCES:
patent: 4386179 (1983-05-01), Sterling
patent: 4481323 (1984-11-01), Sterling
patent: 4511354 (1985-04-01), Sterling

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