Title:
METHOD FOR PRODUCING ALKALI-SOLUBLE RESIN, ALKALI-SOLUBLE RESIN OBTAINED BY THE PRODUCTION METHOD, PHOTOSENSITIVE COMPOSITION CONTAINING THE ALKALI-SOLUBLE RESIN AND PHOTOSENSITIVE PLANOGRAPHIC PRINTING PLATE MATERIAL CONTAINING THE PHOTOSENSITIVE COMPOSITION
Document Type and Number:
Japanese Patent JP2009007441
Kind Code:
A
Abstract:
To provide a method for producing an alkali-soluble resin having improved stability with time.
The method for producing the alkali-soluble resin having improved stability with time comprises a heat treatment in the presence of oxygen after a polymerization reaction. Preferably the alkali-soluble resin is an acrylic or methacrylic copolymer, an oxygen concentration in the heat treatment is 7-16 vol.%, a treatment temperature is 80-120C and a heat treatment time is 2-24 hours.
Inventors:
KUROKI TAKAAKI
Application Number:
JP2007168904A
Publication Date:
January 15, 2009
Filing Date:
June 27, 2007
Export Citation:
Assignee:
KONICA MINOLTA MED & GRAPHIC
International Classes:
C08F6/00; C08F2/44; C08F20/10; C08F265/06; G03F7/00; G03F7/033