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Title:
3,4-ジアルコキシチオフェンの重合体または共重合体および非水性溶媒を含有する組成物
Document Type and Number:
Japanese Patent JP4208720
Kind Code:
B2
Abstract:
A coating composition, capable of yielding layers with an enhanced transparency at a given surface resistance, prepared according to a method for preparing a composition containing between 0.08 and 3.0% by weight of a polymer or copolymer of a 3,4-dialkoxythiophene in which said two alkoxy groups may be the same or different or together represent a oxy-alkylene-oxy bridge optionally substituted with substituents selected from the group consisting of alkyl, alkoxy, alkyoxyalkyl, carboxy, alkylsulphonato, alkyloxyalkylsulphonato and carboxy ester groups, a polyanion and at least one polyhydroxy non-aqueous solvent from a dispersion of said polymer or copolymer of (3,4-dialkoxythiophene) and said polyanion in water comprising in the following order the steps of: i) mixing at least one of said non-aqueous solvents with said aqueous dispersion of said polymer or copolymer of (3,4-dialkoxythiophene) and said polyanion; and ii) evaporating water from the mixture prepared in step i) until the content of water therein is reduced by at least 65% by weight; and a printing ink, printing paste or coating composition, capable of yielding layers with an enhanced transparency at a given surface resistance, prepared according to the above-described method.

Inventors:
Tahon, Jean-Pierre
Van den Bogert, Rozier
Application Number:
JP2003549414A
Publication Date:
January 14, 2009
Filing Date:
December 03, 2002
Export Citation:
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Assignee:
H.C.Starck Gmbh
International Classes:
B05D5/12; C08G61/12; C08L65/00; C08J3/05; C08L25/18; C09D5/02; C09D5/24; C09D7/12; C09D11/00; C09D11/10; C09D125/18; C09D165/00; G03G7/00
Domestic Patent References:
JP2004502004A
JP2002500408A
JP2004514753A
JP2004535653A
JP2004532292A
JP2004532298A
JP2002060736A
JP2005511809A
JP2004534883A
JP8048858A
Foreign References:
EP1081548A1
Attorney, Agent or Firm:
Patent business corporation Odashima patent office