When the monomer concentration increased, the grafting rate, initial polymerization rate and final conversion rate increased, but the grafting efficiency decreased;

  • 单体浓度上升,接枝率、初始聚合速率和最终转化率也上升,但接枝效率则下降;
  • 来源:互联网摘选更新时间:2026-07-13 21:17:43

  • 重点词汇
  • 时该n.When;(after the expression used for time) at that time; then; then;
  • decreasedv.(使)缩短,减小,减少( decrease的过去式和过去分词 );
  • concentrationn.全神贯注;浓度;专注;
  • conversionn.转变,转换;(信仰)改变,皈依;(橄榄球运动中的)附加得分;
  • raten.速度,进度;比率;价格,费用;房产税;
  • polymerizationn.聚合
  • graftingn.嫁接法,移植法;
  • efficiencyn.效率,效能;实力,能力;[物]性能;功效;
  • 相关例句
1、

The influence on the water absorbing capacity, such as monomer concentration, effect of catalyst, and initiator concentration, were investigated.

文中研究了单体浓度、催化剂效果、引发剂浓度对吸水能力的影响。

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2、

Study of Amelioration to Lateritic Red Soil by Copolymer of Humic Acids Grafted Vinyl Monomer

腐植酸接枝共聚物对赤红壤改良的研究

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3、

Kinetics of Vinyl Monomer/ NSubstituted Maleimide Copolymerization

乙烯基单体/N-取代马来酰亚胺共聚合动力学

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4、

The mechanisms of protective colloid in emulsion polymerization were introduced. Research advance of protective colloid in the emulsion polymerization of vinyl monomer, conjugated monomer and acrylic monomer were reviewed in detail.

介绍了乳液聚合中保护胶体稳定聚合物乳液的机理,详细综述了保护胶体在乙烯基单体、共轭烯单体和丙烯酸酯类单体乳液聚合中的研究进展。

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5、

It is expected that grafting modification to starch acetate by a class of vinyl monomer or two kinds of monomers is a developing orientation of starch acetate.

展望了用乙烯基类单体或两种单体对淀粉进行接枝改性是淀粉醋酸酯的一个发展方向。

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6、

A study on graft polymerization of vinyl monomer onto carbon black

乙烯基单体在炭黑表面上的接枝聚合

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7、

Study on Graft Copolymerization of Casein and Vinyl Monomer Initiated with Super Valence Trans-Metals

超常价态过渡金属引发酪素与烯类单体接枝共聚反应的研究

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8、

The basic properties and modification methods of casein are introduced in this paper. A modification example using vinyl monomer is also listed here.

本文论述了酪素的基本性质及其改性方法,交例举一个用乙烯基单体改性酪素的实例。

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9、

The copolymers of vinyl monomer/ N-substituted maleimide were synthesized to be used as the heat-resistant agent ( HRA) of ABS and PVC.

本文以制备通用树脂(ABS、PVC)耐热改性剂为目标,以乙烯基单体N-取代马来酰亚胺共聚和聚合物共混改性为指导,进行共聚物型耐热改性剂的分子设计。

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10、

Studies on the atom transfer radical copolymerization of vinyl monomer and vinyl monomer containing nitroxide group

乙烯基单体与含氮氧稳定自由基单体的原子转移自由基共聚合研究

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11、

The dispersibility of vinyl monomer graft modified carbon black in media has been discussed.

讨论了乙烯基单体接枝共聚改性炭黑在介质中的分散性能。

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12、

The effects of the type and content of vinyl monomer containing polar group on the flame retardance of PP were studied.

着重探讨了含极性基团的乙烯基单体种类及用量等因素对PP阻燃性的影响。

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13、

The end group analysis of polyacrylonitrile by IR spectrum confirmed that the free radical produced by the reaction of MST and eerie ion could initiate the polymerization of vinyl monomer.

由聚丙烯腈的红外光谱端基分析证实了MST组分与铈离子反应产生的自由基能引发烯类聚合。

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14、

Graft copolymerization of betaine type vinyl monomer onto hydroxyethylcellulose

甜菜碱型烯类单体与羟乙基纤维素的接枝聚合

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15、

The layers of montmorillonite contain Lewis acid sites and transition metal ions, which could be used for catalytic polymerization of vinyl monomer.

蒙脱土片层含有Lewis酸点及过渡金属离子可用于烯类单体的催化聚合反应;

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16、

Glycidyl methacrylate was a vinyl monomer having epoxy group. The polymer poly ( glycidyl methacrylate) containing epoxy group can be prepared with glycidyl methacrylate by homopolymerization or copolymerization.

甲基丙烯酸缩水甘油酯(GMA)是一种含环氧基的烯类单体,通过均聚合或者共聚合可以制备带有环氧基团的聚合物大分子。

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17、

The introduction of the vinyl monomer containing polar group into PP macromolecular chain could improve the flame retardance of PP obviously.

在PP大分子链上接枝含极性基团的乙烯基单体,可显著提高PP的阻燃性能;

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18、

Propagation Rate Constants for the Cationic Polymerization of Vinyl Monomer

乙烯基单体正离子聚合中链增长速率常数的研究进展

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19、

The tacticity of polymers is mainly influenced by the polarity of substituent group of vinyl monomer.

作者认为影响聚合物等规度的因素主要是取代基的极性效应。

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20、

Optimization preparation technology of a betaine-type vinyl monomer by uniform design

均匀设计法优化新型甜菜碱型单体的制备工艺

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