Usually fluorinated copolymer unit, said the number of fluorine atoms, such as fluorine rubber, 23, is a vinylidene fluoride copolymers with chlorotrifluoroethylene. 通常以共聚物中含氟单元的氟原子数目来表示,如氟橡胶23,是偏二氟乙烯同三氟氯乙烯的共聚物。
A newly developed grafting copolymer of synthetic rubber with acrylic monomer has been reported. 报道了将丙烯酸单体接枝到合成橡胶上的接枝共聚方法。
The graft copolymer latex of chloroprene rubber ( CR)/ methyl methacrylate ( MMA) was prepared by emulsion graft polymerization and then powdered with coagulation method. 用乳液接枝聚合法合成了氯丁橡胶(CR)/甲基丙烯酸甲酯(MMA)接枝共聚物CR-g-MMA乳液;
Progress on Research and Application of Cis-butadiene-isoprene Copolymer Rubber 高顺式丁二烯-异戊二烯共聚橡胶研究进展
A series of PB-g-SAN copolymer ( ABS) were synthesized by grafting styrene and acrylonitrile onto polybutadiene ( PB) latex rubber particles with seeded emulsion polymerization technique. 采用种子乳液聚合技术在聚丁二烯(PB)乳胶粒上接枝共聚苯乙烯(St)和丙烯腈(AN),合成了一系列PB-g-SAN共聚物(ABS)。
Study on graft copolymer of natural rubber by suspension polymerization 悬浮聚合法合成天然橡胶接枝共聚物的研究
The results indicate that the ethylene content in the propylene copolymer, rubber content and ethylene content in the rubber phase are comparatively high and the ethylene distribution on the molecular chains are homogeneous and rational, thereby benefiting the increase in impact resistance of the resin product. 结果表明开发的汽车用高流动性共聚聚丙烯中乙烯含量、橡胶含量以及橡胶中乙烯含量均较高,且乙烯在分子链上的分布均匀、合理,有效地提高了产品的抗冲击性能;
Of A influences greatly on copolymerization and properties of copolymer, the change of quantity of A can transfer copolymer to silicone rubber or to general-purpose silicone resins; A的分子量对共聚反应和共聚物性能有明显影响,改变A的用量可使共聚物向硅橡胶或向硅树脂转化;
Poly ( butyl-acrylate)/ styrene/ acrylonitrile copolymer ( ASA resin) was synthesized, according to the principle of toughening plastics by rubber. 本文根据橡胶增韧塑料的原理,合成了聚丙烯酸丁酯/苯乙烯/丙烯腈三元共聚物&ASA树脂。
Preparation and properties of ethylene-1-octene copolymer/ reclaimed isobutylene-isoprene rubber thermoplastic elastomer 乙烯-辛烯共聚物/再生丁基橡胶热塑性弹性体的制备及其性能
Effect of conversion rate on micro-structure and properties of high trans-butadiene-isoprene copolymer rubber 聚合转化率对高反式丁二烯-异戊二烯共聚橡胶微观结构及性能的影响
This paper mainly studies to synthesize adhesive by graft modification of SBS/ SIS block copolymer with rubber or acrylic acid and acrylic ester. 以SBS和SIS为基材,采用不同橡胶胶种、丙烯酸及其酯类单体进行接枝共聚合成胶粘剂。
The experimental results demonstrate that in the impact specimen there exists a multiphase system comprising homopolymer of propylene, diblock copolymer of propylene and ethylene-propylene, ethylene-propylene rubber ( EPR) and homopolymer of ethylene. 实验结果表明:抗冲PP是一个含有PP均聚物、丙烯与乙烯-丙烯两嵌段共聚物、乙丙橡胶(EPR)、聚乙烯均聚物等的多相体系。
The rheological performances of the butadiene-isoprene copolymer glue were investigated to measure its rheological behavior, determine the fluid properties of butadiene-isoprene rubber glue. 在不同温度下测试了丁二烯-异戊二烯共聚橡胶的流变性能,确定了聚合液的流体性质,得到该胶液的表观黏度,并与顺丁橡胶进行了对比。
Synthesis of tetrabasic graft copolymer of chloroprene rubber/ styrene/ methyl methacrylate/ acrylic acid 氯丁橡胶/苯乙烯/甲基丙烯酸甲酯/丙烯酸接枝共聚物的合成
The research progress and application of cis-butadiene-isoprene copolymer rubber ( CBIR) were addressed. 综合评述了国内外高顺式丁二烯异戊二烯共聚橡胶的研究进展,包括合成方法、结构与性能及其应用;
Addition of 2% of the amphiphilic copolymer is beneficial to the blending of polystyrene and epichlorohydrine rubber, improving the physico-mechanical properties of the blend. 加2%星形嵌段共聚物有利于聚苯乙烯与氯醇橡-胶的共混,使产物的物理机械性能有所提高。
The ratio and efficiency of grafting SAN copolymer noto PB rubber were calculated by separating ungrafted SAN from PB-g-SAN copolymer with ultra-centrifuge in acetone solution. 将这些共聚物用丙酮溶解并在超速离心机上将PB-g-SAN和未接枝在PB上的游离SAN分离,计算出SAN在PB上的接枝率和接枝效率。
The Effect of the Molecular Weight of SAN Copolymer Grafted onto PB Rubber Particles on Morphology and Property of ABS Resins 接枝SAN分子量对ABS树脂性能和形态结构的影响
To meet the application needs of the ethylene-propylene copolymer viscosity index improver for lubricating oil, a series of thermo-oxidative degradation reaction systems with ethylene-propylene rubber were designed, and the effect factors on the reaction product of the thermo-oxidative degradation were analyzed. 针对润滑油用乙丙共聚物粘度指数改进剂的应用需求,设计一系列乙丙橡胶的热氧化降解体系,系统考察反应条件对乙丙橡胶热氧化降解的影响规律。
The graft copolymer of unsaturated polyether rubber and methyl acrylate is synthesized by using oxidize_reduction catalysis system composed of BPO and DMA. The influence of some factors on the graft copolymerization is studied. The use of graft system as adhesives in chemical anchor is discussed. 应用BPO&DMA氧化还原体系,合成了不饱和聚醚橡胶接枝丙烯酸甲酯粘合剂,讨论了几种因素对接枝共聚反应的影响,并探讨了该接枝体系在化学锚中的应用。
After the termination of copolymerization, the copolymer solution was steam-stripped continuously in an agitated vessel, and then the rubber crumbs obtained were dewatered and dried in a single screw extruder-expander machine and finally cutted into granular product. 终止反应后,共聚物溶液在搅拌单釜中连续吹脱,胶团在单螺杆挤压-膨胀机中脱水、干燥,最后切成细粒。
In this paper, the synthesis of chlorinated ethylene propylene copolymer rubber was studied, the relation between chlorine content and reaction condition, such as BPO content, temperature, time, were discussed. 研究了氯化乙丙橡胶的合成,讨论了产物含氯量与BPO加入量、反应温度及反应时间的关系。
Mechanical properties and morphology of blends have been researched and the conclusion are as follows: ( 1) A series of ASA grafted copolymer were synthesis by changing the rubber particle size, and melt blending with SAN, and the ASA/ SAN blends were gained. 研究了共混物的力学性能和形态结构,得到结论如下:(1)合成橡胶粒径不同的ASA接枝共聚物,再与SAN树脂熔融共混,制得ASA/SAN共混物。