The aim of the present invention is to provide a multi-branched polymer, in which branch terminals can be easily modified and which have a high degree of branching and narrow dispersion.

本发明的目的在于提供支链末端容易修饰、支化系数高、而且分散窄的多支链高分子。

The infrared spectrum analysis showed that the polymerization reaction was complete, and the polymer was a kind of thermoplastic material without branched chains.

红外光谱分析表明聚合较为完全，聚合物不存在支链结构，为热塑性材料。

The effects of size of core and arm on star-branched PIB were studied and the structure of polymer was characterized.

考察了聚合物的臂长和核大小对星形支化pib的影响，并时聚合物的结构进行了表征。

The power index was 0.14, which indicated that the polymer had branched molecular structure in dilute solution of tetrahydrofuran.

聚合物分子在四氢呋喃稀溶液中的幂指数为0.14，说明该聚合物具有支化结构。

Branching polymer chains, copolymerizing with another monomer, and blending branched or cross-linked polymers are the basic methods to increase its viscosity so that it can be suitable for foaming.

高分子链的支化，与另一种共聚物接枝，或共混支化聚合物和线性聚合物是增加其粘度的基本方法，以使其能够发泡。