Film and blends of polyetheramide block copolymer and ethylene v

Details Film and blends of polyetheramide block copolymer and ethylene v Film and blends of polyetheramide block copolymer and ethylene v

1990-01-25

1991-12-03

Teskin, Fred

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Structurally defined web or sheet

Including components having same physical characteristic in...

428333, 4284755, 4284758, 428910, 264171, 26433115, 2641761, 525 58, 525 92, 525 88, 525926, B32B 2708, B32B 2728

Patent

active

050699555

ABSTRACT:
Ethylene vinyl alcohol copolymer is blended with polyetheramide block copolymer to form a novel composition of matter. The blended composition can be extruded and/or coextruded to make packaging films. In the most preferred embodiments, the blend is contained as one layer in a film comprising a multiplicity of layers, and at least the blend layer is molecularly oriented. Methods of making the films are also disclosed.

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patent: 4717618 (1988-01-01), Tse et al.
Deleens, "A New Generation of Thermoplastic Elastomers the Polyether Block Amide (PEBA)", presented at 39th Ann. Tech. Conf. of SPE, Boston, Mass., May 4-7, 1981.
Technical Bulletin on Polyether Block Amides (PEBA) Ato Chimie, Paris, Fr. (1982).

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