| 摘要 |
<p>Photopolymerisable masses containing ethylenically unsatd. monomers and a alpha-phenyl ethyl alcohols of formula (where R1, R2 and/or R3 = H or C6H5 and R4 = OH, NH2, H or C6H5). 0.01-5 wt.% of the alcohol is used and a pref. base for the mass is a hardenable unsatd polyester resin.</p> |
