| 摘要 |
<p>PURPOSE:To obtain a new photosensitive resin compsn. excellent in water developing property, showing small swelling during water development, little decrease in strength or dimensional change, and excellent strength of a resin plate after exposure, and having good breaking elongation, impact resistance, transparency, and excellent balance in characteristics. CONSTITUTION:This compsn. contains the following components (1)-(5) (1) Granular diene polymers having a crosslinking structure and containing carboxyl groups. (2) (a) Polymer having two or more photopolymerizable unsatd. groups at the end of the molecular chain and if necessary, having photopolymerizable unsatd. groups, carboxyl groups, hydroxyl groups, amino groups, or epoxy groups in side chains of the molecular chain, or (b) non-diene polymer having photopolymerizable unsatd. groups, carboxyl groups, hydroxyl groups, amino groups, or epoxy groups in side chains of the molecular chain, or straight-chain diene polymer having low mol.wt. (3) Photopolymerizable unsatd. monomers. (4) Amino group-contg. compd. (5) Photopolynan. initiator.</p> |
