Polyester-polyurethane composition and use thereof

Details Polyester-polyurethane composition and use thereof Polyester-polyurethane composition and use thereof

1985-04-03

1986-02-04

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of polyamidoester

252 6254, 360134, 360135, 360136, 427128, 428328, 428329, 428694, 428900, G11B 570, B32B 2740

Patent

active

045686114

ABSTRACT:
A composition containing CrO.sub.2 and a polyester-polyurethane wherein the chain extender contains a mixture of 1,4-butanediol and 1,6-hexanediol; and use thereof, especially in magnetic recording media.

REFERENCES:
patent: 3929659 (1975-12-01), Graham
patent: 4284750 (1981-08-01), Amirsakis
patent: 4286022 (1981-08-01), Vermillion
patent: 4303738 (1981-12-01), Gini
patent: 4420601 (1983-12-01), Kuroda
patent: 4477531 (1984-10-01), Kohler
patent: 4525424 (1985-06-01), Bradshaw

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