溴使树脂热解过程成碳倾向增加，分解生成的溴化氢是有效的自由基捕获剂。
In the meanwhile, bromine element can increase the char-residue and the HBr created by the pyrolysis of the resin can also act as a radical scavenger.
根据光稳定剂作用机理的不同，将光稳定剂分为光屏蔽剂、紫外线吸收剂、激发态猝灭剂及自由基捕获剂。
Based on different action principle, light stabilizers were defined as ultraviolet light screening agent, ultraviolet absorbent, quencher and free radical catching agent.
根据光稳定剂作用机理的不同，将光稳定剂分为光屏蔽剂、紫外线吸收剂、激发态猝灭剂及自由基捕获剂。
Based on different action principle, light stabilizers were defined as ultraviolet light screening agent, ultraviolet absorbent, quencher and free radical catching agent.
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