Process for the aqueous plasticization of polyvinyl acetal...

Details Process for the aqueous plasticization of polyvinyl acetal... Process for the aqueous plasticization of polyvinyl acetal...

2007-10-23

2007-10-23

Smith, Duane (Department: 1724)

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

Synthetic resins

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

C524S557000, C524S145000, C428S442000, C428S426000, C428S441000, C428S500000

Reexamination Certificate

active

11099901

ABSTRACT:
An improved aqueous slurry composition for the plasticizing of polyvinyl acetal resins whereby salts, acids and/or bases are used to enhance absorption rates of the plasticizer into the resin, and a process therewith for the production of plasticized polyvinyl acetal resins.

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