阀座材料应该是下列材料之一:乙烯-丙烯-二烯系单体或氟橡胶,在顶部和底部配置聚四氟乙烯轴承支撑。
The seat material shall be one of the following materials: ethylene-propylene-diene monomer or fluoroelastomer with polytetrafluoroethylene bearing support at the top and bottom.
ABS的多功能性來源于其三种组成单体丙烯睛,丁二烯和苯乙烯。
The versatility of ABS is derived from its monomer building blocks Acrylonitrile, Butadiene and Styrene.
这些化合物能均聚反应,亦易与苯乙烯、甲基丙烯酸甲酯及丙烯腈等乙烯类单体共聚合,得有色的高聚物。
These colored compounds can be homopolymerized and copolymerized with most vinyl monomers such as styrene, methyl methacrylate and acrylonitrile, to give the corresponding colored polymers.
本论文采用乳液聚合的方法合成了聚醋酸乙烯树脂,并通过加入硬单体—甲基丙烯酸甲酯对其进行改性。
The method of emulsion polymerization was used to synthesize polyvinyl acetate resin by adding hard monomer_methyl methacrylate to modify it.
以丙烯腈为单体,二乙烯苯为交联剂,采用原位聚合法制备出了强极性的有机高聚物多孔层开管柱- OPPLOT - A型柱。
A new type of strongly polar organic polymer porous layer open tubular column (OPPLOT-A) was prepared by in situ copolymerization of acrylonitrile and divinylbenzene.
以最常见的两种单体甲基丙烯酸甲酯和苯乙烯为例。
Take the most widely used monomers, styrene and methyl methacrylate as an example.
以醋酸乙烯酯和丙烯酸丁酯为主要原料,引入自交联型单体羟甲基丙烯酸胺合成了纸张——铝箔复合膜粘合剂。
The self - cross linking adhesive for paper - Al foil composite can be abtained by using vinyl acetate and acrylate as raw materials and hydroxy methyl acrylamide as self - cross linking monomer.
本文采用乙烯类和丙烯酸酯类单体、阴离子乳化、氧化还原系统引发反应体系对酪素进行接枝改性,以正交试验法优化合成反应条件。
In this paper, the grafting modification of casein was carried out by using vinyl and acrylic ester monomers, anionic emulsifier and REDOX catalyst system.
以丙烯酸酯为单体,二乙烯基苯为交联剂,采用悬浮聚合法合成低交联度的聚丙烯酸酯类吸油树脂。
The acrylate oil absorbing resin were synthesised by means of suspension polymerization and using divinylbenzene as crosslinking agent.
可与醋酸乙烯酯共聚的单体很多,其中主要有乙烯、氯乙烯、丙烯酸酯、不饱和羧酸、丙烯酰胺、丙烯腈、乙烯基醚等不饱和单体。
The comonomers include those unsaturated ones, such as ethylene monomer, ethylene chloride, acrylate, unsaturated carboxylic acid, acrylamide, acrylonitrile and so on.
进口乙烯和丙烯单体运输成本相对较高。
以2 -丙烯酰胺基- 2 -甲基丙磺酸(AMPS)等乙烯基单体为基本原料,合成出新型抗高温多元聚合物降滤失剂fla。
Filtration reducer FLA is a copolymer of 2-acrylamide-2-methyl propane sulfonic acid CAMPS, and other vinyl monomers.
以醋酸乙烯及丙烯酸丁酯为混合单体来制备高固含量水基白乳胶。
Vinyl acetate and butyl acrylate as mixed monomer can be used to prepare high solid content water based white emulsion.
在诸多的功能化方法中,乙烯、丙烯与极性单体在温和条件下催化共聚是最理想的方法。
A few approaches have been invented, but the incorporation of functional groups into the polyolefin chains by catalytic copolymerization under mild conditions is the optimal choice.
将聚苯乙烯溶解在甲基丙烯酸甲酯单体或其与苯乙烯的混合液中进行原位聚合,制备高散射有机玻璃导光材料。
High scattering optical transmission PMMA was prepared by the in situ copolymerization of methyl methacrylate and styrene with polystyrene.
本文以苯乙烯和丙烯酸酯的低分子共聚物为B段,以含有极性基团的单体为A段合成了A—B嵌段型颜料分散剂。
An A-B blocked pigment-dispersing agent has been synthesised , in which the A block is a monomer with polar groups and the B fo'oek is the oligomer of styrene and acrylate with lower molecular weight.
以丙烯酸酯为单体,二乙烯基苯为交联剂,三氯甲烷为致孔剂,采用悬浮聚合法合成了轻度交联的多孔丙烯酸酯类吸油树脂。
Using acrylate as monomer, divinyl benzene as crosslinking agent, chloroform as microvoid agent, acrylate resin was synthesized by means of suspension polymerization. It had low crosslinking density.
三中单体的聚合产生了具有两相的三元共聚物,一个是苯乙烯-丙烯腈的连续相, 另一个是聚丁二烯橡胶分散相。
The polymerization of the three monomers produces a terpolymer which has two phases: a continuous phase of styrene-acrylonitrile (SAN) and a dispersed phase of polybutadiene rubber.
以丙烯酸 2 -乙基己酯与醋酸乙烯酯为单体 ,采用悬浮聚合法 ,以单体自交联制得高吸油性树脂。
The high oil-absorption resin of copolymer of vinyl acetate and (2-ethylhexyl) acrylate was prepared by suspension polymerization with self-crosslinking.
利用预辐射方法,在聚乙烯薄膜上接枝不同分子量的缩乙二醇丙烯酸酯单体。
In this paper, some condensed ethylene glycol acrylate monomers with different molecular weight being grafted to the PE film by means of pre-irradiation is reported.
采用球形Z-N催化剂,使用乙烯、丙烯和1-丁烯作为共聚单体,分步聚合催化合成了三元多相共聚聚丙烯。
The preparation of polypropylene alloy by 2-stage heterophase catalytic copolymerization of ethylene, propylene and 1-butene on spheric Ziegler-Natta catalyst had been studied.
采用七甲基乙烯基环四硅氧烷和丙烯酸酯类单体,用乳液聚合的方法同时对明胶改性制作皮革涂饰剂。
In the research, organic silicon and acrylic esters were used to modify the gelatin as leather finishing coatings.
ABS是由丙烯腈、丁二烯和苯乙烯三种化学单体合成。
ABS is produced by a combination of three monomers: acrylonitrile, butadiene, and styrene.
ABS是由丙烯腈、丁二烯和苯乙烯三种化学单体合成。
ABS is produced by a combination of three monomers: acrylonitrile, butadiene, and styrene.
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