Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymerizing in reactor of specified material – or in reactor...
Patent
1994-03-07
1995-05-09
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymerizing in reactor of specified material, or in reactor...
526 74, C08F 200
Patent
active
054140617
ABSTRACT:
A polymer scale preventive liquid for use in polymerization of a monomer having an ethylenic double bond, comprising (A) a protein and (B) an anionic polysaccharide, and having a pH 7 or less; and a method of preventing polymer scale deposition in a polymerization vessel, which comprises carrying out the polymerization of said monomer in a polymerization vessel having a coating on its inner wall surfaces by applying said liquid and then drying. Deposition of polymer scale can be effectively prevented; in addition, polymers with a high whiteness can be prepared. Moreover, this polymer scale preventive liquid has no poisonousness and is highly safe.
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Database WPIL, No. 90-129807, Derwent Publications Ltd, London, GB; & JP-A-2 080 403 (Shin-Etsu) *Abstract*.
Sato Takanori
Shimizu Toshihide
Schofer Joseph L.
Shin-Etsu Chemical Co. , Ltd.
Weber Tom
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