Cellulose acylate-based dope, cellulose acylate film, and...

Details Cellulose acylate-based dope, cellulose acylate film, and... Cellulose acylate-based dope, cellulose acylate film, and...

2007-10-16

2007-10-16

Brunsman, David M. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

C106S170270, C106S170470, C106S170500, C106S203100, C106S203300

Reexamination Certificate

active

10858288

ABSTRACT:
A cellulose acylate-based dope, which has an exothermic peak giving a calorific value of 1 to 10 J/g (inclusive), between 0 and 40° C.; wherein collected wastes of cellulose acylate which are obtained by collecting and crushing a cellulose acylate film edge trimmed when raw material of the film is cast, are used in an amount of 5 to 60% by weight of the whole of the cellulose acylate or; wherein the dope comprises a solvent, wherein a recovery solvent is used in an amount of 20 to 100% of the entire solvent and; a cellulose acylate film produced by using the same.

REFERENCES:
patent: 2002-160242 (2002-06-01), None
patent: 2002-192541 (2002-07-01), None
patent: 2003-55476 (2003-02-01), None

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