短支链

但由于其聚乙烯链中短支链分布不合理，严重影响了聚乙烯抗慢速裂纹增长等性能，达不到PE100等级管材料的使用性能要求。

However , the content and distribution of short chain branches are unsatisfactory , which has a seriously impact on the performance of pipes , especially on the resistance to slow crack growth .

阳离子型短支链全氟烷基拒水拒油整理剂的制备短链烷基芳基磺酸盐

Preparation of cationic short branched-chain perfluoroalkyl-based water and oil repellent finish agent

聚乙烯短支链与其结晶度关系的定量研究

Quantitative Analysis of the Relationship Between Short Branched Chain and Crystallinity in Polyethylene

聚乙烯随着短支链甲基含量的增加，结晶度降低。

The crystallinity of polyethylene decreased with increase of content of short branched chain methyl .

这种短支链分布将会有利于高等级高密度聚乙烯管材料的长期使用性能。

This SCBD might be beneficial for the long term performance of high grade HDPE pipe material .

双烷基过氧化物在短支链助交联剂的配合下，使乙丙二元共聚丙烯和长支链的乙-辛烯共聚物产生网状交联结构。

Crosslinked network structure of COPP and POES with long branched chain was formed by the combination effect of double alkyl peroxide and auxiliary crosslinking agent with short branched chain .

分别用红外光谱技术与差示扫描量热仪定量研究了聚乙烯短支链甲基含量与其结晶度的关系，详细讨论了短支链甲基含量对聚乙烯结晶形态的影响。

The quantitative investigation of the relationship between content of short branched chain methyl and crystallinity in polyethylene was studied by using infrared spectrum technology and differential scanning calorimeter . The effect of content of short branched chain methyl on polyethylene crystalline conformation was discussed in detail .

毛竹竹叶中半纤维素主要为阿拉伯木聚糖，空间结构组成与毛竹竹竿半纤维素相似，随着乙醇浓度的升高，沉淀得到的半纤维素中木糖主链越短，支链越多。

The hemicellulose in the bamboo leaves was mainly arabinoxylan whose structure and composition were the same as in the stem hemicelluloses . With increasing of the ethanol concentration , the main chain of hemicellulose obtained was shorter , and contained more branched-chain , and the acetyl substituent was less .