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Photosensitive compositions

  • US 5,476,748 A
  • Filed: 12/14/1993
  • Issued: 12/19/1995
  • Est. Priority Date: 12/21/1992
  • Status: Expired due to Term
First Claim
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1. A photosensitive composition comprisingA) from 40 to 80% by weight of at least one liquid epoxy resin having an epoxy functionality of equal to or greater than 2,B) from 0.1 to 10% by weight of at least one cationic photoinitiator for component A),C) from 5 to 40% by weight of at least one liquid cycloaliphatic or aromatic diacrylate,D) from 0 to 15% by weight of at least one liquid poly(meth-)acrylate having a (meth-)acrylate functionality of greater than 2, the proportion of component D) constituting a maximum of 50% by weight of the total (meth-)acrylate content,E) from 0.1 to 10% by weight of at least one radical photoinitiator for component C) and, where appropriate, component D) andF) from 5 to 40% by weight of at least one OH-terminated polyether, polyester or polyurethane.

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