| 摘要 |
<p>A polymer prepared by metathesis polymerizing at least one compound representing by the formula <CHEM> wherein m is 0 or 1 and R1 and R2 respectively represent hydrogen atom or an alkyl group containing up to three carbon atoms provided that both R1 and R2 are not hydrogen atom at the same time, or a mixture of said compound with at least one other metathesis polymerizable comonomer, a useful molded article, processes for preparing the polymer and the article and a polymerizable composition therefor.</p> |
