1) grafting reaction rate
接枝反应速率
2) graft reaction
接枝反应
1.
Effect of heating ways on soy protein isolate-saccharide graft reaction;
加热方式对大豆分离蛋白-糖接枝反应的影响
2.
In this paper,PA6-g-SMA was prepared via a solution graft reaction between SMA and PA6.
通过研究溶液接枝反应制备了尼龙6(PA6)与苯乙烯-马来酸酐(SMA)共聚物(PA6-g-SMA),研究了SMA/尼龙6质量比、反应温度、反应时间对产物接枝率及熔点的影响。
3.
The results indicated that the optimum graft reaction conditions were as follows:protein concentration 2 mg/mL,the weight ratio of dextran to protein 6∶1,(pH 8.
结果表明:接枝反应最佳条件为蛋白质浓度2 mg/mL,糖与蛋白质质量比6∶1,pH8。
3) grafting
[英][grɑ:ft] [美][græft]
接枝反应
1.
Effect of Grafting Reaction on Mechanical Performances of Fiber Reinforced Cement Materials;
接枝反应对纤维增强水泥材料力学性能的影响——维尼纶纤维接枝丙烯酸
2.
Study of graft copolymerization onto fibers preirradiated by electron beam. Ⅱ Grafting acrylic acid onto Vinylon fibers;
电子束预辐照接枝反应研究(Ⅱ)──维尼纶纤维接枝丙烯酸
3.
The effect of screw rotation speed on the grafting level and melt flow index of the grafted product(POE-g-GMA) is investigated.
采用在熔融挤出过程中提高双螺杆挤出机螺杆转速的方法,研究了机械力引发甲基丙烯酸缩水甘油酯(GMA)熔融接枝弹性体POE的接枝反应。
4) grafting reaction
接枝反应
1.
The results indicated that the grafting reaction between PBO fiber surface and the irradiation medium-epichlorohydrin was produced by the irradiation,and some polar groups such as C-Cl,COOH,C-NH2 were introduced on the PBO fiber surface.
结果表明,γ-射线辐照使PBO纤维表面聚合物与辐照介质-环氧氯丙烷之间发生了化学接枝反应,接枝反应将极性官能团C-Cl,COOH和C-NH2引入PBO纤维表面,增加了纤维表面化学活性,改善了纤维表面化学惰性。
2.
The grafting reaction of Cp2Fe with Br)nsted acid sites in HY zeolite supercages was studied under high vacuum condition.
在真空条件下研究了Cp2Fe在HY沸石表面的接枝反应,并用原位FTIR、ICP、XRD、TPD-MS和UV-VisDRS等方法对接枝产物的组成、结构及性质进行了表征。
3.
By researching the influence of the change of peroxide injection quantity on the A171 grafting reaction, it is known that the reaction heat goes up with the addition of peroxide until the peroxide reaches a certain quantity.
研究了DCP(过氧化异丙苯)为引发剂,A171(乙烯基三甲氧基硅烷)与A151(乙烯基三乙氧基硅烷)在LDPE、HDPE、LLDPE上的接枝反应。
5) graft copolymerization
接枝反应
1.
FTIR characterization analysis on poplar wood polymer composites (WPC), which were prepared according to selected technological conditions, indicated that the graft copolymerization of the modifiers with wood cell wall had taken place.
对选定工艺条件下的各种杨木塑合木进行了傅立叶变换红外光谱 ( FTIR)分析 ,确定改性试剂在木材组织内与细胞壁高聚物发生了接枝反
6) graft polymerization
接枝反应
1.
The graft polymerization of polyvinyl alcohol fibers is inhibited eff.
随着预辐照剂量的增大、反应时间的延长或反应温度的提高,聚乙烯醇纤维的接枝率首先增大,然后增大趋缓并趋向定值,而随着丙烯酸浓度的增大,纤维接枝率具有一个峰值,少量摩尔盐加入到聚合体系中,可以有效地抑制乙烯醇纤维的接枝反应。
2.
Ionic liquid is a kind of new green solvent and making more and more important effect on homogeneous graft polymerization of cellulose.
文章介绍了纤维素接枝反应尤其是均相接枝反应的研究进展。
补充资料:接枝共聚反应(graftcopolymerization)
【接枝共聚反应】(graftcopolymerization)生成“接枝共聚物”的反应。一般分三种。(1)聚合物作为引发剂。使聚合物高分子链上形成活性中心,然后引发单体进行接枝反应。例如,聚三氟氯乙烯通过辐照,高分子链上产生游离基,加入苯乙烯,则聚三氟氯乙烯分子链上能接枝苯乙烯。(2)聚合物作为链转移剂。将聚合物溶解在接枝单体中进行聚合,聚合过程中活性中心向原先加入的聚合物分子链上转移,单体分子便可接枝上去。例如,溶解有橡胶的苯乙烯进行游离基
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条