1) polyethylene glycol dimethyl ether
聚乙二醇二甲醚
1.
Solvent NHD, analogue of polyethylene glycol dimethyl ether, is produced at present in China by mainly 7 producers i.
目前,我国聚乙二醇二甲醚类溶剂NHD的生产厂家约有7家,分别是鲁南化学工业集团,生产能力2000t/a;江苏宜兴天音化工股份有限公司,生产能力2000t/a;江苏清江石油化工厂,生产能力1000t/a;安徽绩溪天池化工厂,生产能力1000t/a;河北唐山朝阳化工总厂,生产能力500t/a;河北藁城溶剂厂,生产能力300t/a;黑龙江齐齐哈尔黑龙精细化工厂,生产能力300t/a。
2.
Author has introduced the mix compound formula methods for the polyethylene glycol dimethyl ether with diisopropanol amine(DIPA),and triethylene glycol monomethyl ether with methyldiethanol amine MDEA);has discussed the absorption capacity of compound solvent,its reaction heat,the most suitable form.
聚乙二醇二甲醚是酸性气体的物理吸收剂,醇胺是酸性气体的化学吸收剂,二者的复配是优良的脱硫、脱碳溶剂。
3.
In order to recover the acidic gas produced in ammonia synthesis production process,the polyethylene glycol dimethyl ether solvent(NHD) was adopted,high purity hydrogen sulphide was produced through method of physical absorption and heat regeneration.
为回收合成氨生产过程产生的酸性气体,采用聚乙二醇二甲醚溶剂(NHD),通过物理吸收及加热再生的方法,制取高纯度硫化氢气体。
2) dimethyl ether of polyethlene glycol
聚乙二醇二甲醚
1.
Assistant catalyst was used for modifying quartz sand filtration,and the modified quartz sand filtration was used for purifying dimethyl ether of polyethlene glycol(NHD) decarburizated solution.
采用助剂对石英砂过滤系统改进处理,对聚乙二醇二甲醚(NHD)脱碳液进行净化除杂试验。
3) 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。
4) 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)。
5) polyethylene glycol monomethyl ether
聚乙二醇单甲醚
1.
Study on synthesis bromination derivatives of polyethylene 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 of polyethylene 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 with monomethoxyl 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 with monomethoxyl 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 。
补充资料：聚乙二醇二甲醚
分子式：CH3O.(C2H4O)n.CH3
分子量：
CAS号：24991-55-7
性质：
分子量：
CAS号：24991-55-7
性质：
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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