abstract |
POLYMERIC COMPOSITIONS CONTAINING ACETYLENIC GROUPS AND A PHOTOSENSITIZING AGENT, WHICH MAY BE PART OF THE POLYMER MOLECULE OR AN ADDITIVE TO THE POLYMER, AND WHICH UPON ABSORBING ACTINIC RADIATION, ACCELERATES THE CROSS-LINKING OF THE POLYMER, ARE RENDERED INSOLUBLE WHEN EXPOSED TO ULTRAVIOLET IRRADIATION, THEREBY MAKING THEM SUITABLE AS PHOTORESISTS IN THE GRAPHIC ARTS. |