Patent · US Expired

Hard coat film

US6933040B2 · kind B2 · utility

0Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 2002
Grant dateAug 23, 2005
Priority date
Expiry dateMar 22, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31935
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A hard coat film which comprises a substrate and a hard coat layer, wherein the hard coat layer is formed by applying on the substrate with a curable composition containing a photocurable substance and an oligomer type photopolymerization initiator and then curing by light irradiation to the applied curable composition. The hard coat film is excellent in the adhesion property between the hard coat layer and the substrate after heat treatment, and can restrain the gases generated in heat treatment.

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