支化度

1
degree of branching
...玻璃化转变温度但树枝状聚合物和超支化聚合物之间也有显著的差别超支化聚合物的最显著特征是它的支化度(degree of branching )DB或者说是支化因素 branching factor 它决定了聚合物结构中支化单元末端单元线性单元之间的比例据定义树枝状聚合物的DB 为...
2
branching coefficent
... branching channel 辫状河; 分汊河道; 夹江 branching coefficent 支化度 branching coefficient 支化系数 ...
3
de GREe of branching
... de GREe of association 连带度 de GREe of branching 支化度 de GREe of crosslinking 交联度 ...
4
branching degree
... branching decision 转移判定 branching degree 支化度 branching density 支化密度 ...

短语

1
随着温度的升高聚乙烯产物支化度和甲基支链含量都迅速增加，长支链含量则显著下降。
Branching degree of the polyethylenes and the content of methyl branch rise quickly with reaction temperature, but the content of long branches drops remarkably.
2
较低摩尔质量且支化度小的窄摩尔质量分布级分具有较完善、分布更加均匀的薄片晶结构。
The fraction with smaller molecular weight, molecular weight distribution and lower content of short chain branching could form thinner and more uniform laminar crystals.
3
差示扫描量热分析结果表明，当相对分子质量相差不大时，支化度较高的聚乙烯具有较低的熔点。
DSC analysis showed that polyethylene with higher branching degree had lower melting point when relative molecular masses of the polymers were approximate.

支化度
支化是指在一定的条件下形成枝状非线性结构高分子的过程。支化度是指单位体积中支化点的数目或支化点间的平均相对分子量。支化度=(Σ 支化单元+ Σ 未端单元)/ Σ 重复单元

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