To provide a radiation-curable composition which can be suitably used for producing a cured material capable of having a high refractive index and a high Abbe number.
There are provided a sulfur-containing and ethylenically unsaturated group-containing compound (A) prepared by reacting a sulfur-containing compound represented by formula (1) with a compound having an ethylenically unsaturated group, a radiation-curable composition containing compound (A) and a cured material. Also provided are a radiation-curable composition comprising the compound (A) and a photopolymerization initiator and a radiation-curable composition comprising a compound which is other than the compound (A) and has an alicyclic structure and an ethylenically unsaturated group.
RYU KANETAKE
SHIBAZAKI YUJI
ANDO SHINJI
UEDA MITSURU
SUGAWARA SHUICHI
KURIYAMA KEISUKE
ERIYAMA YUUICHI
TAKASE HIDEAKI
TOKYO INST TECH
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