应用化工
應用化工
응용화공
APPLIED CHEMICAL INDUSTRY
2015年
4期
673-676
,共4页
N-乙烯基甲酰胺%苯乙烯%N,N-二甲基二烯丙基氯化铵%无皂乳液聚合%三元共聚物
N-乙烯基甲酰胺%苯乙烯%N,N-二甲基二烯丙基氯化銨%無皂乳液聚閤%三元共聚物
N-을희기갑선알%분을희%N,N-이갑기이희병기록화안%무조유액취합%삼원공취물
N-vinylformamide%styrene%N,N-diallyl dimethyl ammonium chloride%soap-free latex copol-ymerization%terpolymer
以偶氮二异丁脒盐酸盐为引发剂,采用无皂乳液聚合法,合成了N-乙烯基甲酰胺( NVF )、苯乙烯( SM )和N,N-二甲基二烯丙基氯化铵( DADMAC)三元共聚物。探讨了单体质量分数、引发剂用量、单体配比和反应温度对反应的影响。结果表明,在单体配比m(NVF)∶m(SM)∶m(DADMAC)为5∶4∶1,单体质量分数40%,引发剂质量分数1.0%,反应温度75℃下反应5 h时,DADMAC转化率可达99%。红外光谱及DSC分析表明,NVF、SM和DADMAC均参与了聚合反应。
以偶氮二異丁脒鹽痠鹽為引髮劑,採用無皂乳液聚閤法,閤成瞭N-乙烯基甲酰胺( NVF )、苯乙烯( SM )和N,N-二甲基二烯丙基氯化銨( DADMAC)三元共聚物。探討瞭單體質量分數、引髮劑用量、單體配比和反應溫度對反應的影響。結果錶明,在單體配比m(NVF)∶m(SM)∶m(DADMAC)為5∶4∶1,單體質量分數40%,引髮劑質量分數1.0%,反應溫度75℃下反應5 h時,DADMAC轉化率可達99%。紅外光譜及DSC分析錶明,NVF、SM和DADMAC均參與瞭聚閤反應。
이우담이이정미염산염위인발제,채용무조유액취합법,합성료N-을희기갑선알( NVF )、분을희( SM )화N,N-이갑기이희병기록화안( DADMAC)삼원공취물。탐토료단체질량분수、인발제용량、단체배비화반응온도대반응적영향。결과표명,재단체배비m(NVF)∶m(SM)∶m(DADMAC)위5∶4∶1,단체질량분수40%,인발제질량분수1.0%,반응온도75℃하반응5 h시,DADMAC전화솔가체99%。홍외광보급DSC분석표명,NVF、SM화DADMAC균삼여료취합반응。
The terpolymer of N-vinylformamide ( NVF) ,styrene ( SM) and N,N-diallyl dimethyl ammoni-um chloride ( DADMAC) was synthesized by soap-free latex copolymerization with 2,2'-azobis(2-methyl-propionamidine ) dihydrochloride as initiator .The effects of the total monomer mass fraction ,reaction tem-perature,dosage of initiator,monomer (NVF,SM and DADMAC) ratio on polymerization were investiga-ted.The results showed that under the appropriate reaction conditions:the mole ratio of m( NVF)∶m( SM)∶m(DADMAC)=5∶4∶1,the total monomer mass fraction was 40%,dosage of initiator was 1.0%,and reaction temperature was 75 ℃,react for 5 h,the conversion of DADMAC was 99.0%.FTIR and DSC characterization indicate that NVF ,SM and DADMAC are involved in the polymerization reaction .