Title:
濾過助剤として好適なポリマーブレンドの製造方法
Document Type and Number:
Japanese Patent JP2008536660
Kind Code:
A
Abstract:
Process for production of polymer blends which are suitable as filter aids and are composed of polystyrene and of crosslinked water-insoluble polyvinylpyrrolidones via processing of the two components in an extruder, which comprises melting polystyrene in an extruder and then treating it with the polyvinylpyrrolidone, and adding, to the mixture of the components, from 0.1 to 10% by weight of water, based on the total amount of polystyrene and popcorn polymer, and extruding and comminuting the mixture.
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Inventors:
Mathouer, Clemens
Clownbon, marianna
Petch, Tobias
Siro, Simone
Kelber, michael
Mueller, frank
Clownbon, marianna
Petch, Tobias
Siro, Simone
Kelber, michael
Mueller, frank
Application Number:
JP2008501290A
Publication Date:
September 11, 2008
Filing Date:
March 14, 2006
Export Citation:
Assignee:
BASF SE
International Classes:
B01J20/26; A23L2/70; C08J3/12; C08L25/04; C08L39/04; C12C11/00; B29C48/04
Attorney, Agent or Firm:
Yusuke Hiraki
Ishii Teiji
Satoshi Fujita
Ishii Teiji
Satoshi Fujita