| 摘要 |
<p>The purpose of the invention is to provide a resin, which has a high refractive index, excellent heat resistance and moldability, and high transparency, and is useful as a material for configuring optical devices, etc. The invention provides a resin comprising acyl hydrazone bonds and having a number average molecular weight of 500 - 500,000, wherein the acyl hydrazone bond equivalent is 100 - 4000.</p> |
