Cellulose acylate film, cellulose acylate film with...

Details Cellulose acylate film, cellulose acylate film with... Cellulose acylate film, cellulose acylate film with...

2007-06-05

2007-06-05

Nutter, Nathan M. (Department: 1711)

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

C106S170580, C106S171100, C524S413000, C524S437000, C524S444000, C524S492000, C524S493000

Reexamination Certificate

active

10470193

ABSTRACT:
The present invention relates to a cellulose acylate film having a high modulus of elasticity and a high surface hardness. The cellulose acylate film of the present invention is characterized by containing 1 vol % to 99 vol % of a metal oxide having an average particle size of 1 nm to 400 nm. The metal oxide used here is preferably a metal oxide having a Mohs hardness of at least 7, and specific examples thereof include aluminum oxide and silicon dioxide. This metal oxide may be subjected to a surface treatment. Furthermore, a functional thin film such as a hardcoat layer may be formed on the cellulose acylate film containing the metal oxide.

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Macromolecules 1994, 27, 606-607. Tanahashi et al “Adsorption of Poly(N-isopropylacrylamide) on Silica Surfaces”.

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