应用化工
應用化工
응용화공
Applied Chemical Industry
2015年
11期
2032-2035
,共4页
丙烯酸甲酯%3-环己烯-1-甲醇%丙烯酸-3-环己烯基甲酯%酯交换
丙烯痠甲酯%3-環己烯-1-甲醇%丙烯痠-3-環己烯基甲酯%酯交換
병희산갑지%3-배기희-1-갑순%병희산-3-배기희기갑지%지교환
methacrylate%3-cyclohexene-1-methanol%3-cyclohexenylmethyl methacrylate%transesterifi-cation
以丙烯酸甲酯( MA)和3-环己烯-1-甲醇为原料,采用酯交换法合成了丙烯酸-3-环己烯基甲酯,考察了催化剂种类与用量、反应时间、反应物配比、阻聚剂种类以及用量等因素对反应结果的影响。结果表明,采用有机锡类催化剂和吩噻嗪阻聚剂,m(有机锡)∶m(3-环己烯-1-甲醇)=0.04、反应时间7 h、n(MA)∶n(3-环己烯-1-甲醇)=3．5∶1,在此条件下,3-环己烯-1-甲醇的转化率达95%以上,产品收率>91%。并采用IR和1 H NMR技术对产品的结构进行了表征。
以丙烯痠甲酯( MA)和3-環己烯-1-甲醇為原料,採用酯交換法閤成瞭丙烯痠-3-環己烯基甲酯,攷察瞭催化劑種類與用量、反應時間、反應物配比、阻聚劑種類以及用量等因素對反應結果的影響。結果錶明,採用有機錫類催化劑和吩噻嗪阻聚劑,m(有機錫)∶m(3-環己烯-1-甲醇)=0.04、反應時間7 h、n(MA)∶n(3-環己烯-1-甲醇)=3．5∶1,在此條件下,3-環己烯-1-甲醇的轉化率達95%以上,產品收率>91%。併採用IR和1 H NMR技術對產品的結構進行瞭錶徵。
이병희산갑지( MA)화3-배기희-1-갑순위원료,채용지교환법합성료병희산-3-배기희기갑지,고찰료최화제충류여용량、반응시간、반응물배비、조취제충류이급용량등인소대반응결과적영향。결과표명,채용유궤석류최화제화분새진조취제,m(유궤석)∶m(3-배기희-1-갑순)=0.04、반응시간7 h、n(MA)∶n(3-배기희-1-갑순)=3．5∶1,재차조건하,3-배기희-1-갑순적전화솔체95%이상,산품수솔>91%。병채용IR화1 H NMR기술대산품적결구진행료표정。
3-Cyclohexenyl methacrylate was synthesized by transesterification using methacrylate and 3-cy-cloexene-1-methanol as raw materials. The effects of the factors such as catalyst type,catalyst amount,raw material ratio,reaction time,inhibitor amount on reaction results were investigated. Results showed that:using organotin as catalyst and phenothiazine as inhibitor,m(catalyst)∶m(3-cyclohexene-1-methanol) =0. 04,n(MA)∶n(3-cyclohexene-1-methanol) =3. 5∶1,reaction time 7 h. Under above conditions,the conversion of 3-cyclohexene-1-methanol was more than 95%, while the product yield was more than 91%. The structure of the product was characterized by IR and 1 H NMR.
