广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2012年
5期
104-105,127
,共3页
聚苯乙烯%1,4-二氯甲氧基丁烷%氯甲基化反应%交联
聚苯乙烯%1,4-二氯甲氧基丁烷%氯甲基化反應%交聯
취분을희%1,4-이록갑양기정완%록갑기화반응%교련
polystyrene%1%4-dichloro-methoxy-butane%chloromethylation%cross-linking
以1,4-丁二醇和多聚甲醛为原料,制备一种无致癌毒性的氯甲基化试剂—1,4-二氯甲氧基丁烷。实验结果表明最佳反应条件为:1,4-丁二醇:多聚甲醛:无水氯化钙=9∶6.5∶7.0(质量比),加盐酸75 mL、硫酸100 mL、苯15 mL,常温下反应5 h,目标产物的产率达到75%以上。经试验证明所制备的氯甲基化试剂可以使白球氯甲基化,其氯含量达到17%。
以1,4-丁二醇和多聚甲醛為原料,製備一種無緻癌毒性的氯甲基化試劑—1,4-二氯甲氧基丁烷。實驗結果錶明最佳反應條件為:1,4-丁二醇:多聚甲醛:無水氯化鈣=9∶6.5∶7.0(質量比),加鹽痠75 mL、硫痠100 mL、苯15 mL,常溫下反應5 h,目標產物的產率達到75%以上。經試驗證明所製備的氯甲基化試劑可以使白毬氯甲基化,其氯含量達到17%。
이1,4-정이순화다취갑철위원료,제비일충무치암독성적록갑기화시제—1,4-이록갑양기정완。실험결과표명최가반응조건위:1,4-정이순:다취갑철:무수록화개=9∶6.5∶7.0(질량비),가염산75 mL、류산100 mL、분15 mL,상온하반응5 h,목표산물적산솔체도75%이상。경시험증명소제비적록갑기화시제가이사백구록갑기화,기록함량체도17%。
A non-carcinogenic toxicity of methyl chloride reagent-1,4-bis(chloromethoxy) butane(BCMB)was sythesized by 1,4-butanediol and paraformaldehyde as raw material,The effects of various factors on the reaction were examined,the optimum conditions were as follos;HO(CH2)4OH∶(CH2O)n∶CaCl2 = 9:6.5:7.0(quality rate),hydrochloric acid 75 mL,sulfuric acid 100 mL and benzene 15 mL,time 5 h,under normal temperature,the target product yield reached 75%.Experiments showed that the methyl chloride reagent can make white balls chlorine methylation,and its chlorine content achieved 17%.