缩二乙二醇
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在一缩二乙二醇溶液中,以PVP作为可控性因素,选择性地合成出了花状或中空圆片状氢氧化镁晶体。
As PVP was a controlled factor , the flower-like and hollow wafer-like Mg ( OH ) 2 crystals were prepared selectively in the diethylene glycol solution system .
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以聚氧化丙烯二醇和甲苯二异氰酸酯、一缩二乙二醇等为主要基体材原料,以联二脲(LDA)、聚磷酸铵(APP)作为阻燃剂,制作了聚醚聚氨酯弹性体。
Polyether polyurethane elastomer material was prepared based on polypropylene oxide glycol , toluene diisocyanate ( TDI ) and DEG as main base meterial , LDA and APP as flame retardants .
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研究了H2SO4催化一缩二乙二醇(二甘醇)脱水环化生成1,4-二氧六环液相反应的速率与温度、H2SO4浓度的关系。
A method and apparatus for studying the kinetics of liquid phase dehydration reaction of diethylene glycol forming 1,4-dioxane are presented , The relationships between the dehydration rate and the reaction temperature and concentration of H_2SO_4 catalyst have been investigated .
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一缩二乙二醇二缩水甘油醚(DGDE)与丙烯酸为原料,合成紫外光固化环氧丙烯酸(ADGDE)齐聚物。
The acrylated epoxy oligomer ( ADGDE ) used for UV curing process was synthesized by the reaction of diethylene glycol diglycidyl ether with acrylic acid .
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一缩二乙二醇催化脱水制取1,4-二氧六环的研究
Study on Synthesis of Dioxane from Catalytic Cyclization of Diethylene Glycol
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一缩二乙二醇复酯冷冻机油的合成与研究
A study on the synthesis of diglycol duplicate-ester refrigerant lubricants
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固液相转移催化法合成一缩二乙二醇双丁醚
Study on the Solid-liquid Phase Transfer Catalyzed Synthesis of Diethylene Glycol Dibutyl Ether
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一缩二乙二醇与季戊四醇代替甘油生产聚氨酯漆季戊四醇制聚氨酯漆
To Make Polyurethane Paint by Using Diethylene Glycol and Pentaerythritol to Replace Glycerine
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固体酸催化丙烯酸一缩二乙二醇的酯化反应
Esterification of acrylic diol catalyzed with solid acids
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一缩二乙二醇制1,4-二氧六环的液相反应动力学研究
A Study on Kinetics of Liquid Phase Dehydration Reaction of Diethylene Glycol Forming 1,4-Dioxane
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丙烯酸一缩二乙二醇酯的合成及其结构分析
Synthesis and Structure Analysis of Diethylene Glycol Monoacrylate
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端基硅氧烷化聚己二酸一缩二乙二醇酯的制备及其固化反应聚合物基磁性复合材料
Synthesis and cross-linking of trimethoxysilane terminated poly ( diethylene glycol adipate ) Polymer - based Magnets
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随着一缩二乙二醇用量增加,体系粘度逐渐增大;
With the increase of the content of diethylene - glycol , the viscosities of system gradually ascend ;
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用不同摩尔比的己二酸,一缩二乙二醇合成不饱和聚酯树脂,并对增韧效果进行研究。
Synthesis of unsaturated polyester resin with different mole ratio of adipic acid to diethylene glycol and effects of toughening were studied .
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对732*型强酸性阳离子交换树脂催化酯化合成丙烯酸一缩二乙二醇酯动力学进行了研究,测定并推算出反应级数、反应速度常数及活化能等动力学参数。
The kinetics of reaction of diethylene glycol with acrylic acid by using 732 # strong acidic cationic exchange resin as catalyst is investigated .
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前言:研究了以乙二醇、一缩二乙二醇、1,4-丁二醇和1,6-己二醇作为扩链剂对聚醚聚氨酯弹性体性能的影响。
Abstact : The effects of ethylene glycol , diglycol , 1,4-butylene-glycol and1,6-hexene-glycol as the chain-extender on the properties of polyurethane elastomers based on polyether-polyols were studied .
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以镍(Ⅱ)离子为模板剂,合成了一缩二乙二醇双缩水甘油醚交联的壳聚糖树脂,并研究了该类树脂对金属离子(Cu~2+,Ni~2+,Co~2+)的静态吸附性能。
Using Ni (ⅱ) as template , the chitosan resin crosslinked by diethylene glycol bis-glycidyl ether was synthesized , and its static adsorption properties for metal ions were studied .
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本文以对羟基苯甲酸甲酯、1,4-丁二醇、一缩二乙二醇、对苯二甲酸与氯化亚砜为原料通过三步合成了丁二醇酯液晶与一缩二乙二醇酯液晶。
In this paper , two polyester liquid crystal ( butanediol ester liquid crystal and diethylene glycol ester liquid crystal ) were synthesized with methyl p-hydroxybenzoate , 1,4-butanediol , diethylene glycol , terephthalic acid and thionyl chloride as materials through three steps .