Title:
METHOD FOR REMOVING GEL SUBSTANCES
Document Type and Number:
Japanese Patent JPH06298968
Kind Code:
A
Abstract:
PURPOSE: To perform efficient and complete removal of gels from jigs or the like for plastic lens by dipping the bodies the gels stick to in a surfactant, then in an alkali solution.
CONSTITUTION: Plastics, glass or metal bodies which gels or cross-linked by- products such as organosilicon compound of the formula (R1, R2 are alkyl, alkenyl, aryl, halogen; R3 is 1-8C alkyl, alkoxyalkyl, acyl, phenyl; a, b are 0, 1) and/or its hydrolyzate are soaked in an anionic or other surfactant solution 11, then in an alkaline solution such as a sodium hydroxide solution 12.
Inventors:
MIYASHITA KAZUNORI
Application Number:
JP9139993A
Publication Date:
October 25, 1994
Filing Date:
April 19, 1993
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
B01J19/00; B01J19/10; B08B7/00; B29D11/00; C08J7/00; B29K83/00; (IPC1-7): C08J7/00; B01J19/00; B01J19/10; B08B7/00; B29D11/00
Attorney, Agent or Firm:
Kisaburo Suzuki (1 outside)