Title:
BUILDING MEMBER, ITS PRODUCTION, AND CLEAN ROOM
Document Type and Number:
Japanese Patent JP3288579
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To inhibit a gaseous org. substance from being present in a clean room by using, as the building material of the clean room, a building member obtd. from a compsn. comprising a polyvinyl chloride resin and additives each of which does not generate a gaseous org. substance.
SOLUTION: This building member is formed from a compsn. comprising a polyvinyl chloride resin and additives each of which does not generate a gaseous org. substance. The additives include a plasticizer, an antioxidant, and an antistatic agent. The plasticizer mainly comprises at least one plasticizer selected from among a carboxylic ester, a polyester, and an epoxy compd. and having a mol.wt. of 400 or higher. The antioxidant mainly comprises a phenol compd. having a mol.wt. of 300 or higher. The antistatic agent mainly comprises at least either an ethylene oxide adduct to alkylamine or an ethylene oxide adduct to an alkylamide and has a mol.wt. of 350 or higher.
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Inventors:
Sadao Kobayashi
Masayuki Imafuku
Yoshihide Wakayama
Masayuki Imafuku
Yoshihide Wakayama
Application Number:
JP17464296A
Publication Date:
June 04, 2002
Filing Date:
July 04, 1996
Export Citation:
Assignee:
Taisei Corporation
International Classes:
E04F13/18; C08J5/00; C08K5/10; C08L27/06; E04F15/10; E04H5/02; F24F7/06; (IPC1-7): C08L27/06; C08J5/00; C08K5/10; E04F13/18; E04F15/10; F24F7/06
Attorney, Agent or Firm:
Tetsuya Mori (2 others)
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