二甲苯酚与一卤代羧酸酯的反应产率在81%以上。
The yield of O-alkylation of 2,5-dimethylphenol with the monohalogen carboxylic esters is above 81%.
用DSC技术研究了丙烯腈共聚物的热行为以查明含卤代羧酸共聚单体对PAN热稳定化过程的影响。
The thermal stability of AN copolymers was studied by DSC technique in order to get information on the influence of comonomers containing halogenated carboxylic acid on the stabilization of PAN.
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