Tear resistant, crystalline midblock copolymer gels and...

Details Tear resistant, crystalline midblock copolymer gels and... Tear resistant, crystalline midblock copolymer gels and...

2005-03-15

2005-03-15

Harlan, Robert D. (Department: 1713)

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...

C524S507000, C524S508000, C524S513000, C524S515000, C623S059000, C623S061000, C623S063000

Reexamination Certificate

active

06867253

ABSTRACT:
Novel gels and articles are formed from one or more multiblock copolymers having at least one block segment of poly(ethylene) and selected amounts of one or more low viscosity plasticizers, said gels having an amount of crystallinity, glassy components, selected amounts of plasticizers, with or without other additives sufficient to achieve improvements in one or more physical properties including improved crack propagation resistance, improved tea resistance, improved resistance to fatigue and resistance to catastrophic failure not obtainable in amorphous gels and exceptionally lower and/or no tack.

REFERENCES:
patent: 5459193 (1995-10-01), Anderson et al.

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