Polyvinyl butyral polymer mixture for making intermediate sheeti

Details Polyvinyl butyral polymer mixture for making intermediate sheeti Polyvinyl butyral polymer mixture for making intermediate sheeti

1975-11-11

1976-12-21

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

526 7, 526 9, 526 11, C08F 1634, C08F 1606

Patent

active

039987922

ABSTRACT:
Mixtures of two distinct polyvinyl butyral grades, viz., one high viscosity and one low viscosity grade, both having a narrow molecular weight distribution exhibit good processing characteristics which nearly reach the performance of the high viscosity grades hitherto used.

REFERENCES:
patent: 2135075 (1938-11-01), Hermann
patent: 2690410 (1954-09-01), Nelson
patent: 2909507 (1959-10-01), Cahill et al.
patent: 3823113 (1974-07-01), Reisman
patent: 3926918 (1975-12-01), Shibata et al.
patent: 3950305 (1976-04-01), Schmidt

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