本发明涉及使用二膦二卤化钴类催化剂及制备乙烯基单体聚合物的方法。
The invention relates to a process for utilizing catalyst such as diphosphonic dihalide cobalt to prepare vinyl monomer polymer.
就弹性体、热塑性树脂、膨胀单体聚合物改性环氧树脂的研究,在近年来取得的新成就进行了概述。
The recent research successes of modified epoxy resin by elastic body, thermoplastic resin and expansive monomer polymer are reviewed in this paper.
舍尔强调他们的主要目标在于研发一种单体物质-我们大多数人称为塑料的一种聚合物的构件---完全来源于海藻这种生物质原料。
Scheer stresses that his team's main goal is to derive a monomer—the building block of the polymers most of us call plastics—entirely from algae biomass.
聚酯:单体之间以酯键连接而形成的一类聚合物,为有机化合物。
Polyester: Organic compound, any of a class of polymers formed by ester linkages between monomers.
硅丙烯酸树脂是由硅树脂和丙烯酸单体反应而得到的产品,或是硅树脂和丙烯酸类聚合物的共混物。
Silicone acrylic resins can be either the reaction product of a silicone intermediate with acrylic monomers, or a cold blend of silicone resin and acrylic polymers.
研究了单体浓度、引发剂浓度、反应时间和反应温度对接枝聚合物接枝率、凝胶率等的影响。
The influences of concentration of BPO, concentration of monomer, reaction time, reaction temperature were investigated in terms of grafting degree and gel content.
以丙烯酰胺为单体,加入有机硅交联剂、引发剂过硫酸钠、反应速度调节剂,制得聚合物堵水剂hy。
The polymer water shutoff agent HY was prepared using acrylamide as monomer, adding organosilicon crosslinking agent, sodium persulfate initiator, and reaction rate regulator.
从拒水拒油机理、含氟单体的合成、含氟聚合物的聚合方法及其应用等方面对含氟多功能织物整理剂的国内外最新研究进展进行了较详尽的综述。
In this paper, the mechanism of water-and oil-repellency, the advances in the synthesis of fluorine-containing monomers, the methods of polymerization and their application are reviewed in detail.
结果表明,苯胺的氨基邻位上引入氯后,单体的电化学聚合速率显著下降,形成的聚合物更易水解。
After chlorine is introduced into the ortho-position of aniline, the polymerization rate of the monomer decreases markedly, the formed polymer is hydrolyzed easily.
结合实际情况,选择适宜的合成条件,对含有DM16疏水单体的三元聚合物,合成了两个系列聚合物。
Two kinds of polymers are synthesized with ternary polymers which contain DM16 hydropHobic monomers on appropriate condition combining practice.
用红外光谱证实了单体和聚合物的结构。
And Infrared Spectra testified the structure of the monomer and the polymer.
用红外光谱对疏水单体和聚合物进行了表征,确定了其分子结构。
The hydrophobic monomer and polymer were characterized by the infrared absorption spectrum, and then the molecular structure was confirmed.
聚合化:由称为单体的较简单化合物经化学方法形成聚合物的情况。
Polmeristion: The chemical formation of a polymer from a simpler compound called a monomer.
以IR、DTA、TG等对单体和酞菁聚合物的结构和热性能进行了表征和研究。
The structure and the thermal properties of the monomers and phthalocyanine polymers were characterized and evaluated by IR, DTA, TG.
链转移氢、其它原子或反应种转移到反应体系的化合物中(单体、引发剂或溶剂),从而导致聚合物增长终止,这种情况称为链转移。
A growing polymer is terminated by the transferred of a hydrogen or other atom or species to it from some compound present in the system-the monomer, initiator, or solvent, as the case may be.
并用高压液体色谱法测定了聚合物中残余单体含量。
The contents of residual monomer in the polymers produced are determined by high-pressure liquid chromatography.
用非共价法,在极性溶剂中,以丙烯酰胺作功能单体,以强极性化合物槲皮素为模板,制备了分子烙印聚合物(mip)。
A molecularly imprinted polymer (MIP) was prepared using quercetin as the template and acrylamide as the hydrogen-bonding functional monomer in a polar solvent.
很多聚合物在固化前与热固性单体往往是相容的,而在固化后得到的却是宏观相分离的结构。
As we have known, many kinds of polymers are miscible with the thermosets before curing, but after curing the macrophase separation will take place.
通过对近年来国内外的文献综合,讨论了反应单体、聚氧烷基链和端基的选择、聚合物相对分子质量及其分布、减水剂添加量等对减水剂性能的影响因素。
The select ion of reactive monomer and oxyethylene group number, molecular weight of copolymer and its distribution, influence of terminal group and the amount of reducing agent added were discussed.
通过计算控制等规度的活化能参数,认为单体的锡氧配位是影响聚合物等规度的主要因素。
The tacticity of polymers is mainly influenced by the coordination ability of organotin monomers and polymers.
控制项目主要包括进料量、反应温度、催化剂用量及配比、单体转化率、聚合物门尼粘度控制。
The controlled items mainly consist of feed quantity, reaction temperature, catalyst usage and ratio, conversion rate and polymer Mooney viscosity.
在缩合聚合中,单体的纯度会影响到官能团的摩尔比,从而使聚合物的分子量偏离设定值。
In condensation polymerization, the monomer will affect the purity of the molar ratio of functional groups, so that the molecular weight deviates from the set value.
聚合物混合体应按单体单元比例相等、 种类相同的聚合物归入相应子目。
Polymer blends are to be classified in the same subheading as polymers of the same monomer units in the same proportions.
木材是天然的聚合物。与乙烯聚合体结合形成聚乙烯的方式一样,葡萄糖单体与木材聚合可以形成维生素聚合物。
Wood is a natural polymer in the same manner that polymers of ethylene are joined to form polyethylene, glucose monomers polymerize in wood to form cellulose polymers.
对许多聚合物,例如对所有的乙烯基单体的聚合物来说,结构单元的分子量等于单体的分子量。
With many polymers the molecular weight of the structural unit is. equal to the molecular weight of the monomer, e. g. with all vinyl monomers.
引入活性单体和丙烯酸酯来改善聚合物的增稠性能和抗电解质性能。
Active monomer and acrylic esters were introduced to improve the thickening property and electrolyte resistance.
结果表明,单体和聚合物均呈现向列型液晶织态结构,聚合物在较宽的温度范围内有很好的液晶性。
The results show that the texture of monomer and polymer are the type of nematic liquid crystalline, and the polymer has good liquid crystal performance .
摸索出图案化限域的关键工艺条件,认为聚合过程中单体挥发产生的空隙和链段热运动产生的空穴是影响聚合物膜层隔绝电解液性能的关键因素之一。
The experiments showed that the spacing after monomer volatilizing during polymerization and the cavity produced by thermal motion of segment were the key factors to weaken the protection of film.
摸索出图案化限域的关键工艺条件,认为聚合过程中单体挥发产生的空隙和链段热运动产生的空穴是影响聚合物膜层隔绝电解液性能的关键因素之一。
The experiments showed that the spacing after monomer volatilizing during polymerization and the cavity produced by thermal motion of segment were the key factors to weaken the protection of film.
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