二乙二醇单甲醚,diethylene glycol mono-methyl ether
1)diethylene glycol mono-methyl ether二乙二醇单甲醚
1.Diethylene glycol butylmethyl ether(DGBME) was synthesized through Williamson Reaction withdiethylene 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 ofdiethylene 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。
2)polyethylene glycol聚乙二醇单甲醚
1.Synthesis process of monopolyethylene glycol maleate;马来酸单聚乙二醇单甲醚酯的合成工艺
2.Synthesis monopolyethylene glycol maleate with maleic acid andpolyethylene 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。
英文短句/例句
1.Ammonification of Methoxy PolyEthylene Glycol and Graft of Poly (Ethylene Glycol) Brush on Polysulfone Membrane;聚乙二醇单甲醚的氨化与聚乙二醇刷型聚合物在聚砜膜上的接枝
2.Synthesis of mPEG-Succinylcysteine聚乙二醇单甲醚-琥珀酰基半胱氨酸的合成
3.Modification of Chitosan & Carboxymethyl Chitosan Grafted with Monomethoxy Poly(Ethylene Glycol);聚乙二醇单甲醚改性壳聚糖及羧甲基壳聚糖的研究
4.Synthesis of polyethylene glycol monomethyl ethers grafting copolymer of styrene and maleic anhydride聚乙二醇单甲醚接枝苯乙烯马来酸酐共聚物的合成
5.A Novel One-step Synthesis of Polyethylene Glycol Methyl Ether Methacrylate Macromonomer by Inserting Ethylene Oxide into Methyl Methacrylate;聚乙二醇单甲醚甲基丙烯酸酯大分子单体的一步法合成新途径
6.Preparation and Characterization of Methoxyl Poly(Ethylene Glycol) Grafted Chitosan;聚乙二醇单甲醚接枝改性壳聚糖的制备和性能研究
7.Synthesis and Properties of Chitosan Modified with Monomethoxy Poly(Ethylene Glycol)聚乙二醇单甲醚改性壳聚糖的制备及其性能研究
8.Synthesis and Study of a Novel Phase Change Material with Heat Storage-CDA-g-MPEG/PEG;聚乙二醇/二醋酸纤维素-g-聚乙二醇单甲醚相变储能材料的制备及研究
9.NMR STUDIES ON THE SELF-ASSEMBLE BEHAVIOR OF POLY(ETHYLENE GLYCOL) METHYL ETHER-b-POLY(L-ALANINE) DIBLOCK COPOLYMERAB型聚乙二醇单甲醚-聚(L-丙氨酸)嵌段共聚物自组装过程的核磁共振研究
10.hylene etheralcohol乙基二甲苯聚氧乙烯醚醇
11.A Novel Technology to Synthesis of Macromonomer Polyethylene Glycol Monoethyl Ether Methacrylate;大分子单体聚乙二醇单乙醚甲基丙烯酸酯的合成新技术
12.ethylene glycol monoemethyl ether acetate乙二醇独甲醚乙酸酯
13.Gas Chromatogram Analytical of Ethylene GlycolMonomethyl Ether Synthesis Liquid乙二醇单甲醚合成液的气相色谱分析
14.Glycol monomethyl ether, propylene glycol monomethyl ether, ethanol, and eth yleneglycol monophenylether were used as solvents.选择丙二醇甲醚,乙二醇甲醚,丙醇,一半乙二醇甲醚一半乙醇,乙二醇苯醚作为溶剂。
15.Study of Catalysts for the Vapour-phase Synthesis of Guathol (Guaiacol) with Catechol and Ethanol (Methanol)邻苯二酚和乙（甲）醇气相单醚化合成邻羟基苯乙（甲）醚催化剂的研究
16.alkylphenol polyglycol ether烷基聚乙二醇醚（渗透剂）
17.Economic Comparison Between Two Gas Purification Process--Selexol and Rectisol;低温甲醇洗和聚乙二醇二甲醚工艺的技术经济对比
18.Synthesis of Methacrylate Polyglycol(400) Monoester甲基丙烯酸聚乙二醇(400)单酯的合成
相关短句/例句
polyethylene glycol聚乙二醇单甲醚
1.Synthesis process of monopolyethylene glycol maleate;马来酸单聚乙二醇单甲醚酯的合成工艺
2.Synthesis monopolyethylene glycol maleate with maleic acid andpolyethylene 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。
3)methoxy polyethylene glycol聚乙二醇单甲醚
1.The progress of the catalytic esterification of methacrylic acid(MAA)andmethoxy 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.Carboxymethylatemethoxy polyethylene glycol(CMPEG) was prepared throughmethoxy 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)。
4)Ethylene glycol monomethyl ether乙二醇单甲醚
5)polyethylene glycol monomethyl ether聚乙二醇单甲醚
1.Study on synthesis bromination derivatives ofpolyethylene glycol monomethyl ether;聚乙二醇单甲醚溴代衍生物的合成研究
2.methylene diisocyanate(HDI),polyethylene glycol monomethyl ether(MPEG Mn=350),N,N-Dimethylethanolamine(DMEA)and 3-methyl-1-phenyl-2-phosopholene-1-oxide(MPPO).以1,6-六亚甲基二异氰酸酯(HDI)、聚乙二醇单甲醚(MPEG350)、N,N-二甲基乙醇胺(DMEA)、1-苯基-3-甲基膦杂环戊烯-1-氧化物(MPPO)为原料合成了碳化二亚胺型交联剂。
3.In this paper,a copolymer monomer with a vinyl carbon-carbon double bonds was modified by the end-hydroxy ofpolyethylene glycol monomethyl ether(MPEG) with solid-liquid phase change properties,through the molecular design.通过分子设计,把具有固-液相变性能的聚乙二醇单甲醚(MPEG)的端羟基改性为具有乙烯基碳碳双键的大单体,形成一种可以与任意含有乙烯基双键的骨架材料进行自由基共聚合的具有高相变焓的固-固相转变单体材料。
6)monomethoxyl polyethylene glycol聚乙二醇单甲醚
1.The synthesis and properties of polycarboxylic water-reducing agents based on the monoester(MALMPEG) of maleic acid withmonomethoxyl polyethylene glycol(MPEG) were investigated.研究合成了聚乙二醇单甲醚(MPEG)的马来酸单酯(MAMPEG),并将之与丙烯酸(AA)、甲基丙烯酸羟乙酯(HEMA)、乙烯基磺酸钠(SVS)等单体通过自由基水溶液共聚合得到了一系列聚羧酸减水剂,研究了单体加料方式、MPEG相对分子质量、单体组成、引发剂用量等对所得减水剂水泥净浆流动度的影响。
2.FTIR, DSC, 1HNMR, 13 CNMR of graft copolymers of cellulose diacetate withmonomethoxyl polyethylene glycol (CDA_g_MPEG) were investigated.对二醋酸纤维素 (CDA)与聚乙二醇单甲醚 (MPEG)接枝共聚物进行了FTIR ,DSC ,1HNMR和13 CNMR的表征分析 。
延伸阅读
二乙二醇单甲醚分子式：C5H12O3分子量：102.15CAS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。
