Varnish composition

Details Varnish composition Varnish composition

1997-04-28

1999-05-25

Morgan, Kriellion S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524106, 524233, 524234, 524315, 524361, 524378, C08K 534, C08K 520, C08K 510

Patent

active

059070056

ABSTRACT:
A varnish composition suitable for producing a liquid crystal aligning film having a thickness of several tens to one hundred nanometers having 1 to 10% by weight of polyamic acid or soluble polyimide, and 90 to 99% by weight of a solvent which comprises 5 to 80% by weight of at least one compound selected from a group of solvent components A and 20 to 95% by weight of at least one compound selected from a group consisting of component B and component C where the group of solvent components A consists of N-methyl-2-pyrrolidone and dimethylimidazolidinone and the component B is alkyl lactate, and the component C is

REFERENCES:
patent: 4073788 (1978-02-01), Peterson
patent: 4309321 (1982-01-01), Aihara et al.
patent: 5517341 (1996-05-01), Kim et al.
patent: 5521035 (1996-05-01), Wolk et al.

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