1) sodium of diethylene glycol mono-methyl ether
二乙二醇单甲醚钠
1.
5:1,benzene as water carrying agent and in the presence of N_2,sodium of diethylene glycol mono-methyl ether was prepared with diethyl- ene glycol mono-methyl ether (C_5H_(12)O_3) and sodium hydroxide as starting materials.
0和不断通入N_2的条件下,合成了二乙二醇单甲醚钠。
2) diethylene glycol mono-methyl ether mono-Sodium salt
二乙二醇单甲醚醇钠盐
3) diethylene glycol mono-methyl ether
二乙二醇单甲醚
1.
Diethylene glycol butylmethyl ether(DGBME) was synthesized through Williamson Reaction with diethylene glycol mono-methyl ether(DEGME) and butyl bromide(n-C4H9Br) as starting materials at the atmosphere of N2,hydrate sodium as catalyst and benzene as water carrier,its synthetic condition was optimized by orthogonal experiment.
在氮气保护下,以二乙二醇单甲醚(C5H12O3,DEGME)和正溴丁烷为(n-C4H9Br)原料,氢氧化钠为催化剂,苯为带水剂,通过Williamson反应合成了二乙二醇甲基丁基醚(DGBME);用正交实验法对合成条件进行了优化,气相色谱法分析了产品中DGBME的含量,FT-IR和1HNMR法表征了产物结构。
2.
5:1,benzene as water carrying agent and in the presence of N_2,sodium of diethylene glycol mono-methyl ether was prepared with diethyl- ene glycol mono-methyl ether (C_5H_(12)O_3) and sodium hydroxide as starting materials.
以二乙二醇单甲醚(C_5H_(12)O_3)和氢氧化钠为原料、苯为带水剂,在n(NaOH):n(C_5H_(12)O_3)=1。
4) diethylene glycol mono-ethyl ether mono-sodium salt
二乙二醇单乙醚单钠盐
5) polyethylene glycol
聚乙二醇单甲醚
1.
Synthesis process of mono polyethylene glycol maleate;
马来酸单聚乙二醇单甲醚酯的合成工艺
2.
Synthesis mono polyethylene glycol maleate with maleic acid and polyethylene glycol analysis the influencing factors of the reaction,through test,it was found:under condition of existence of self-made catalyst,Fix mol ratio of polyethylene to glycol maleic acid at 2.
由马来酸酐与聚乙二醇单甲醚合成马来酸双聚乙二醇单甲醚酯,对其影响因素进行分析,通过试验确定在自制复合催化剂条件下,当聚乙二醇单甲醚∶马来酸酐摩尔比为2。
6) methoxy polyethylene glycol
聚乙二醇单甲醚
1.
The progress of the catalytic esterification of methacrylic acid(MAA)and methoxy polyethylene glycol(MPEG)was described,and the catalysts were emphatically reviewed.
甲基丙烯酸(MAA)和聚乙二醇单甲醚(MPEG)直接酯化合成中,对其催化剂的研究进展及优缺点进行了简述,并考察了聚乙二醇单甲醚相对分子质量对酯化结果的影响,随着聚乙二醇单甲醚相对分子质量的增大其酯化率呈下降趋势。
2.
Carboxymethylate methoxy polyethylene glycol(CMPEG) was prepared through methoxy polyethylene glycol reactive with ethyl bromoacetate.
首先以聚乙二醇单甲醚(MPEG)与溴乙酸乙酯反应制得羧甲基化聚乙二醇单甲醚(CMPEG),之后在N,N-二甲基乙酰胺/氯化锂(DMAc/LiCl)双组分非水溶剂体系中,以羰基二咪唑(CDI)为催化剂,通过CMPEG上的羧基与醋酸纤维素上残余的羟基进行酯化反应得到羧甲基化聚乙二醇单甲醚-醋酸纤维素接枝共聚物(CA-g-CMPEG)。
3.
The water-soluble copolymer P(AA/MPEGAA) of acrylic acid (AA) andmethoxy polyethylene glycol acrylate (MPEGAA) containing aether groups in theside chains were synthesized by radical aqueous solution copolymerization.
本文选用聚乙二醇单甲醚丙烯酸酯(MPEGAA)及丙烯酸(AA)为共聚单体，采用水溶液共聚的方法制备出了具有长侧链醚基的共聚物阻垢分散剂P(AA／MPEGAA)。
补充资料：二乙二醇单甲醚
分子式：C5H12O3
分子量：102.15
CAS号：111-77-3
性质：无色液体。熔点-70℃，沸点194℃，相对密度1.035（20/4℃），折光率1.4233。闪点83℃。能与水、醇、甘油、醚、丙酮、苯、四氯化碳混溶。具吸湿性，有芳香气味。
制备方法：由乙二醇单甲醚与环氧乙烷反应而得。
用途：用作油墨、染料、树脂、纤维素及涂料的高沸点溶剂，也用于有机合成。该品对鼠口服LD50为9200mg/kg。
分子量：102.15
CAS号：111-77-3
性质：无色液体。熔点-70℃，沸点194℃，相对密度1.035（20/4℃），折光率1.4233。闪点83℃。能与水、醇、甘油、醚、丙酮、苯、四氯化碳混溶。具吸湿性，有芳香气味。
制备方法：由乙二醇单甲醚与环氧乙烷反应而得。
用途：用作油墨、染料、树脂、纤维素及涂料的高沸点溶剂，也用于有机合成。该品对鼠口服LD50为9200mg/kg。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条