Process for the production of polyvinyl butyral having improved

Details Process for the production of polyvinyl butyral having improved Process for the production of polyvinyl butyral having improved

1993-03-01

1994-09-20

Reddick, Judy M.

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

Synthetic resins

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

524557, 525 60, C08F 800

Patent

active

053490142

ABSTRACT:
A process for the preparation of a polyvinyl butyral having improved properties comprises subjecting a polyvinyl alcohol in an aqueous medium in the presence of butyraldehyde and an acid catalyst and ethoxylated alkylphenol sulfate having the formula

REFERENCES:
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patent: 2915504 (1959-12-01), Berardinelli
patent: 3153009 (1964-10-01), Rombach
patent: 3631225 (1971-12-01), Tenney et al.
patent: 4205146 (1980-05-01), Hermann et al.
patent: 4499236 (1985-02-01), Hermann et al.
patent: 4533697 (1985-08-01), Negeilh

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