以环氧氯丙烷、二甲胺为反应单体,过硫酸钾-亚硫酸钠为引发剂合成了小阳离子聚合物粘土稳定剂pta。
Minor cationic polymer clay stabilizer PTA was synthesized with epichlorohydrin and dimethylamine as monomers and potassium persulfate - sodium sulfite as initiating agent.
以甲基丙烯酸与甲基丙烯酸甲酯为原料,过硫酸钾为引发剂,经溶液聚合制备出药用肠溶性丙烯酸树脂。考察了物料配比、反应温度、溶剂浓度、引发剂用量对反应的影响。
Enteric acrylic acid resin for drug delivery was prepared by the solution polymerization with methacrylic acid and methyl methacrylate as raw materials and potassium persulfate as initiator.
以过硫酸铵和硝酸银为自由基引发剂 ,以 2 ,3 二甲吡嗪和苯乙酸为原料 ,首次采用自由基烃基化反应合成 5 苄基 2 ,3 二甲吡嗪。
Dimethylpyrazine reacted with phenylacetic acid, silver nitrate and ammonium persulfate through a radical hydrocarbylation mechanism to yield 5 benzyl 2,3 dimethylpyrazine.
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