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- catalytic chain transfer polymerization 催化链转移聚合
- Keywords catalytic chain transfer polymerization;amphiphilic graft copolymer;aggregate;viscoelastic;lamellar liquid crystalline;small-angle X-ray diffraction; 催化链转移聚合;接枝型两亲共聚物;聚集体;粘弹性;层状液晶;小角度X射线衍射;
- Catalytic chain transfer 催化链转移
- It is therefore possible to formulate the chain transfer with ethylbenzene as follows. 所以可以用下式来表示乙苯链转移。
- The ratio of cross-links to branches may be varied by altering the incidence of chain transfer. 通过改变引入的链转剂就可以改变交联与支链的比例。
- Dodecyl mercaptan(DDM) as chain transfer agent was introduced into self-crosslinkable acrylate emulsion system. 在自交联的丙烯酸酯类乳液体系中,引入链转移剂十二硫醇(DDM)。
- The trithiocarbonate moiety in turn, functions as a reversible addition fragmentation chain transfer (RAFT) agent. 线形三硫酯基团可以进一步作为RAFT试剂控制其后的聚合反应。
- In this paper,chain transfer constant of graft copolymerization of SBS and MMA was determined. 测定了MMA与SBS接枝共聚合的链转移常数，讨论了引发剂浓度、温度及溶剂对链转移常数的影响。
- Effects of as 2-mercaptoethanol chain transfer agent to polymerization and the relative molecular weight of copolymer were studied. 研究了2-巯基乙醇作为链转移剂对聚合过程和共聚物相对分子质量的影响。
- The abrasion not only resulted in the fragmentation of macromolecule chain, but also would lead to chain transfer or isomerization. 磨耗不仅会导致高分子链的断裂，而且可能会发生链转移反应和大分子自由基的异构化反应。
- In this paper, the influence of chelator, regulator, solubilization agent and chain transfer agent on the cationic polyacrylamide arediscussed. 主要探讨络合剂、调节剂、助溶剂和链转移剂等对阳离子聚丙烯酰胺聚合的影响。
- A simple method was developed to synthesize the short-chain poly (methylacrylamide) (PDMA) using isopropanol as a chain transfer agent. 以异丙醇为聚合反应链转移试剂，水相法合成了短链聚N，N-二甲基丙烯酰胺（PDMA）。
- The PMMA macromer was obtained by radical polymerization in the presence of 2-mercaptoethanol as a chain transfer agent, followed by termination with acryloyl chloride. 甲基丙烯酸甲酯进行自由基溶液聚合,巯基乙醇为链转移剂,然后用丙烯酰氯封端制备了聚甲基丙烯酸甲酯大分子单体。
- The results of kinetic study and GPC analysis both show that the bulk polymerization of styrene can be controlled effectively when BDB is used as chain transfer agent. 动力学和GPC分析均表明以BDB为链转移剂时苯乙烯本体聚合的可控性最好。
- Amphiphilic heteroarm star-shaped polymer was synthesized by the use of polyfunctional chain transfer agent via sequential free radical polymerization in three steps. 采用多官能链转移剂通过普通自由基聚合制备两亲性杂臂星形聚合物。
- UV curing polyacrylate pressure sensitive adhesive was synthesized by core-shell polymerization, at the same time,chain transfer agent NDM was added for controlled reaction rate. 在常温下涂布后直接紫外光交联固化,考察了光引发剂、交联剂、光固化时间等因素对UV固化压敏胶综合性能的影响。
- In the second part, heteroarm star-shaped polymers were synthesized by conventional free radical polymerization in two steps by the use of polyfunctional chain transfer agent. 在第二部分中，采用多官能链转移剂通过普通自由基聚合制备了杂臂星形聚合物。
- The results indicate that the quantity of the chain transfer agent 2% the total quantity of cationic monomer is added when the copolymerization has been 40mins. The reaction product has the high conversion percent and better dissolving power. 研究结果表明,链转移剂加入量为反应体系单体总重量的2%25,加入时间为反应开始聚合后40分钟的条件下聚合所得阳离子聚丙烯酰胺有较高的转化率和很好的溶解性。
- The chain has fallen foul of plants in the water. 链条已和水中的植物缠绕在了一起。
- She has a gold chain about her neck. 她在脖子的周围挂着一根金项链。
