这类反应又分直链反应(straight chain reaction)和支链反应(side chain reaction)两大类。 链反应一般包括链的引发(chain initiation)、链的传递 (chain transfer)和链的终止 (chain termination)三个阶段。
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side chain alkylation reaction 侧链烷基化反应
Polycarboxylate superplasticizer with carboxylic, sulfonation groups in its main chain and polyoxyethylene ether as side chains was prepared by the macromolecular reaction.
通过大分子反应，合成了一类主链带羧基、磺酸基，支链带聚氧乙烯基醚的聚羧酸系高效减水剂。
So, the co-carbonization mechanism mainly involves the short alkyl side chain and hydrogen trans-fer reaction between LDOHF and MCTP during pyrolysis and condensation of LDOHF.
共炭化作用的机理主要为共炭化剂的短烷基侧链转移和在热解及聚合时生成氢自由基的氢转移作用。
The results show that medium-strength basic sites are beneficial to the side chain alkylation reaction.
实验表明，中等强度的碱性中心，对侧链烷基化反应有利。
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