| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a volume hologram recording medium capable of achieving various functions that particulates have, ease of machining and molding of polymer and capable of reducing rate of shrinkage in polymerization. <P>SOLUTION: A composition for this volume hologram-recording material for recording interference fringes caused by interference of interferential light based on difference in refractive index contains (a) an ethylene compound having at least two ethylene unsaturated groups, (b) a thiol compound having at least two mercapto groups, and (c) particulates having particle diameter of 1 nm or more and 100 nm or less or (d) a branching polymer having weight-average molecular weight (Mw) measured by polystyrene conversion by gel permeation chromatography of 500-5,000,000. <P>COPYRIGHT: (C)2011,JPO&INPIT |
