Polyamide concentrate useful for producing blends having improve

Details Polyamide concentrate useful for producing blends having improve Polyamide concentrate useful for producing blends having improve

1993-09-13

1994-08-23

Kight, III, John

Stone working

Turning

Grinding-wheel dressing

525425, 524439, 524443, 524474, 528502, 264523, 428480, C08F28304, C08L 7700, B32B 2734

Patent

active

053408845

ABSTRACT:
This invention relates to a polyester/polyamide blend having an excellent gas barrier property and an improved flavor retaining property, and clarity. More particularly, the present invention relates to a polyethylene terephthalate/low molecular weight polyamide blend having an excellent gas barrier property, in which by reducing the concentration of acetaldehyde contained in the polyester, the storage property of a food or the like and the flavor-retaining property and fragrance retaining property are highly improved without producing haze.

REFERENCES:
patent: 4052481 (1977-10-01), Asahara et al.
patent: 4193803 (1980-03-01), Sandhu et al.
patent: 4261473 (1981-04-01), Yamada et al.
patent: 4398017 (1983-08-01), Go
patent: 4501781 (1985-02-01), Kushida et al.
patent: 4837115 (1989-06-01), Igarashi et al.

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