Title:
REDUCTION IN TACK OF TRANSPARENT ACRYLIC RUBBER
Document Type and Number:
Japanese Patent JPH04342738
Kind Code:
A
Abstract:
PURPOSE:To reduce tack of transparent molded article of acrylic rubber by heating and crosslinking a copolymer of an alkyl (meth)acrylate and a dicyclopentenyl group-containing (meth)acrylate. CONSTITUTION:A transparent acrylic rubber composition comprising an ethyl acrylate-dicyclopentenyl acrylate (molar ratio of 97:3) copolymer, tetraethylene glycol diacrylate and an organic peroxide is compression molded at 115 deg.C for 40 minutes to give a transparent rubber sheet. A glass filter and an interference filter are arranged between the transparent rubber sheet and a light source of 400W mercury vapor lamp and the rubber sheet is irradiated with ultraviolet rays for 5 minutes in a nitrogen gas atmosphere to extremely reduce surface tack without substantially damaging light transmission of rubber sheet.
Inventors:
NAKAGOME SEIJI
SEKI KAZUHIKO
SEKI KAZUHIKO
Application Number:
JP14127591A
Publication Date:
November 30, 1992
Filing Date:
May 17, 1991
Export Citation:
Assignee:
NOK CORP
International Classes:
C08J3/28; C08J7/00; C08L33/00; C08L33/04; C08L33/08; (IPC1-7): C08J3/28; C08J7/00; C08L33/00; C08L33/08
Attorney, Agent or Firm:
Toshio Yoshida