The cyclic compound so obtained has profound effects upon the MW, MWD and functionability of the polymer product.
这些环化物对聚合产物的分子量、分子量分布和官能度都有较显著的影响。
And if there is a hydroxyl in ortho position of carboxyl, the oxygen of hydroxyl and carboxyl in ligand are bound to ti to form hexatomic cyclic compound.
而羧基邻位有酚羟基存在时，则配体以双齿形式与钛配位形成二茂钛六元环状化合物。
Poly(L-lactide)(PLLA) was synthesized by ring-opening polymerization of L-lactide using cyclic tin alkoxide compound as initiator.
以环烷氧锡化合物引发L-丙交酯开环聚合制备高分子量聚L-乳酸。
Saturated cyclic steroid and terpenoid compound is the better reductant.
含有饱和环的甾萜类是良好的还原剂。
The content of the cyclic ether compound is adjusted to 0.01 to 5 parts by mass based on 100 parts by mass of the ester compound.
具有带酯键的侧链的五元环或六元环的环状醚化合物，其中所述环状醚化合物的含量，按每100质量份所述酯化合物，调整到0.01至5质量份。
The content of the cyclic ether compound is adjusted to 0.01 to 5 parts by mass based on 100 parts by mass of the ester compound.
具有带酯键的侧链的五元环或六元环的环状醚化合物，其中所述环状醚化合物的含量，按每100质量份所述酯化合物，调整到0.01至5质量份。
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