Title:
保護多糖膜
Document Type and Number:
Japanese Patent JPH09510496
Kind Code:
A
Abstract:
A protective polysaccharide film containing a buffering agent in an amount which is effective for substantially resisting pH changes due to environmental influence; a solution for the application onto a surface to be protected, comprising: a) a polysaccharide dissolved in an aqueous solvent therefore; and b) a buffering agent, said solution being capable of forming a film on said surface which on swelling or dissolution maintains a substantially constant pH due to environmental influence; and a process for protecting a surface from non-desired contamination and to facilitate the removal of such contamination from said surface, comprising the steps: a) applying a solution according to any of claims 7 to 12 on said surface before being subjected to contamination; b) allowing the applied solution to dry with the formation of a solid film on said surface, said film being capable of substantially resisting pH changes due to environmental influence; c) treating said film with a liquid capable of redissolving the film or providing swelling thereof; and d) removing the undesired contamination by completely or partially removing said film from the surface.
Inventors:
スヴエンソン，シグフリード
Application Number:
JP52460095A
Publication Date:
October 21, 1997
Filing Date:
March 23, 1995
Export Citation:
Assignee:
ポリサツカライド・インダストリーズ・アクチエボラーグ・ペー・エス・イー
International Classes:
B05D5/00; B08B17/00; C09D5/00; C09D5/16; C09D101/00; C09D101/28; C09D103/00; C09D105/00; C09D105/14; (IPC1-7): C09D101/00; B05D5/00; C09D5/16; C09D103/00; C09D105/00
Attorney, Agent or Firm:
高木 千嘉 （外２名）