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Title:
プラスチックの溶媒処理方法
Document Type and Number:
Japanese Patent JP4642072
Kind Code:
B2
Abstract:
Process for the solvent treatment of a plastic, by dissolving the plastic with a solvent and with at least one phase separation agent compatible with the solvent to form a solution, precipitating the plastic by contacting the solution with at least one non-solvent so as to obtain a solvent/non solvent mixture containing precipitated plastic particles, and substantially eliminating the solvent from the mixture and recovering solid plastic particles. After dissolution but before substantially eliminating the solvent a stripping takes place during which at least a substantial portion of the PSA is removed from the solution or from the mixture using a stripping composition.

Inventors:
Van den an der bernard
Fashion show eric
Application Number:
JP2007507803A
Publication Date:
March 02, 2011
Filing Date:
April 14, 2005
Export Citation:
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Assignee:
Solvay (Societe Anonym)
International Classes:
C08J11/08; C08J3/12; B01D3/00; B01D3/36
Domestic Patent References:
JP2003528191A
JP2003510436A
JP11310660A
JP4713683A
Attorney, Agent or Firm:
Sadao Kumakura
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama