Patent · US Expired

Photopolymerizable composition and optical disk having cured coating thereof

US6066684A · kind A · utility

3Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 20, 1998
Grant dateMay 23, 2000
Priority date
Expiry dateJan 20, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/21
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A photopolymerizable composition comprising PA1 (A) 100 parts by weight of a mixture of (meth)acrylic acid ester monomers, PA1 (B) from 0.1 to 5 parts by weight of a surfactant having a perfluoroalkyl group and represented by the general formula (1) EQU CF.sub.3 (CF.sub.2).sub.n AM (1) wherein A represents --CO.sub.2 -- or --SO.sub.3 --, M represents an alkali metal, and n is an integer of 3 to 9, and PA1 (C) from 0.2 to 10 parts by weight of a photopolymerization initiator, and a plastic optical disk provided with a cured coating of the photopolymerizable composition on at least one side thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.