Polyvinyl butyral pellicle compositions

Details Polyvinyl butyral pellicle compositions Polyvinyl butyral pellicle compositions

1989-08-03

1991-06-25

Schofer, Joseph L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

428 38, 428524, 315315, 315318, C08F 828, C08G 6312, B32B 2736

Patent

active

050267752

ABSTRACT:
An improved pellicle for use in projection printing comprises a pellicle in which the transparent film is formed from a specific polyvinyl butyral resin from a casting composition which is a mixture of the specific polyvinyl butyral resin and dimethylformamide.

REFERENCES:
patent: 4413091 (1983-11-01), Iwasaki et al.
patent: 4476172 (1984-10-01), Ward
patent: 4482591 (1984-11-01), Ward
Catalog 381, Scientific Polymer Products.

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