| abstract |
PURPOSE: To obtain a photopolymer material which is improved in storage stability and an ability to form a thick film and can give a coating film excellent in photosensitivity and its stability by mixing a specified polymer with a urea compound. n CONSTITUTION: The title material is obtained by mixing a polymer mainly consisting of repeating units of formula I (wherein X is a trivalent or tetravalent organic group; Y is a bivalent organic group; and n is 1-2) with 0.2-1.5 mol equivalents, in relation to the COOH groups of the polymer, urea compound of formula II (wherein R 1 is a group having a functional group which can be dimerized or polymerized by irradiation with light or a radiation; and R 2 and R 3 are each H or a monovalent organic group) as a photosensitive component and optionally a sensitizer having a function of sensitizing the photosensitive group of the urea, a polymerization initiator having a function of initiating polymerization, a photopolymerizable or photodimerizable compound, a functional alcoxilane compound, etc. n COPYRIGHT: (C)1992,JPO&Japio |