Transparent polyamide compositions

Details Transparent polyamide compositions Transparent polyamide compositions

1999-06-11

2000-02-08

Woodward, Ana

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428339, 428357, 428364, 524538, 525432, C08L 7700, B32B 702

Patent

active

060226137

ABSTRACT:
This invention provides polyamide compositions and films made therefrom, having enhanced physical properties and a high degree of transparency. More particularly, the invention pertains to polyamide compositions having increased transparency while maintaining a high degree of crystallinity. The polyamide compositions contain a first polyamide homopolymer or copolymer having balanced amino and acid terminal group; and a second polyamide homopolymer or copolymer having an excess of terminal amino groups, wherein the first polyamide is present in an amount of from about 10 to about 95 percent by weight and the second polyamide is present in an amount from about 5 to about 90 percent by weight, based on the total weight of the first and second polyamides.

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patent: 5508345 (1996-04-01), Hirata et al.
patent: 5886087 (1999-03-01), Dalla Torre

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