Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carbohydrate or derivative as a reactant
Patent
1990-06-27
1992-03-03
Stoll, Robert L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carbohydrate or derivative as a reactant
527312, 527314, 527315, C08G 6100, C08G 6300
Patent
active
H00010324
ABSTRACT:
Processes for manufacturing starch copolymer compositions are provided. In one process, a modified starch is reacted with a hydrophilic vinyl monomer to produce a starch copolymer gel which is, in turn, divided in a plurality of gel fragments. The gel fragments are then dried with a stream of gel to produce a flowable, particulate starch copolymer composition. In another process, water is evaporated from the copolymer gel and further polymerization of vinyl monomers is inhibited during the evaporating by any of a variety of means such as reducing the level of residual vinyl monomer or avoiding conditions which initiate polymerization.
Arnold John C.
Mooth Robert A.
Portnoy Norman A.
Stanley Keith D.
A. E. Staley Manufacturing Company
Stoll Robert L.
Wu Shean C.
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