Patent · US Expired

Crosslinkable composition for coating substrates, coating process employing this composition, and substrates thus coated

US5936005A · kind A · utility

7Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 1997
Grant dateAug 10, 1999
Priority date
Expiry dateJun 19, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2810/30
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A curable composition comprising (A) a modified copolymer which is a partial ester of a styrene-carboxylic anhydride copolymer, a hydroxyalkyl (meth)acrylate and, if required, a monovalent alcohol; (B) at least one diluent for the modified copolymer; (C) at least one multifunctional epoxy; and (D) a photoinitiator or a system capable of initiating photopolymerisation; and being characterised in that it further includes (E) at least one catalyst for the reaction between carboxylic acid functions and epoxy functions. The composition is useful for coating substrates by heat and radiation curing.

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