Thermoplastic block copolymer films

Details Thermoplastic block copolymer films Thermoplastic block copolymer films

1989-08-22

1990-12-11

Seccuro, Carman J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

525 93, 524505, C08J 518, C08L 5302, C08L 3104, C08L 2506

Patent

active

049770144

ABSTRACT:
The properties of polymer films which contain thermoplastic block copolymer compositions and ethylene/vinyl acetate copolymers are improved by the addition of small amounts of polystyrene. Specific improvements have been made in elastically and tensile strength as well as in reduced die build-up during processing.

REFERENCES:
patent: 3980736 (1976-09-01), Agouri et al.
patent: 3994439 (1976-11-01), VanBreen et al.
patent: 4367312 (1983-01-01), Bantinck et al.
patent: 4476180 (1984-10-01), Wnuk

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