1) Rare Earth modifying agent
稀土蠕化剂
2) rare earth catalyst
稀土催化剂
1.
Developments of rare earth catalyst for cis-1,4-polybutadiene rubber;
合成顺丁橡胶用稀土催化剂的开发进展
2.
The characteristics of the copolymerizations catalyzed by each kind of catalyst were generalized,and the advantages of rare earth catalysts for the synthesis of biodegradable polymers were discussed.
论述了六元环碳酸酯三亚甲基环碳酸酯(TMC)或2,2-二甲基三亚甲基环碳酸酯(DTC)与己内酯(ε-CL)开环共聚合的研究进展,概括了每种催化剂催化DTC或TMC与ε-CL开环共聚合的特征,并讨论了稀土催化剂在生物降解聚合物合成中的优势。
3.
The article analyzes development trends of synthetic rubber industry, introduces characteristics and development direction of solution polymerization technology using rare earth catalyst to synthesize butadiene rubber and puts forward R & D direction of isoprene rubber.
分析了合成橡胶工业的发展趋势,介绍了稀土催化剂合成顺丁橡胶的溶液聚合工艺特点及发展方向,并提出了异戊橡胶的研发方向。
3) rare-earth catalyst
稀土催化剂
1.
Application of rare-earth catalysts in environmental protection;
稀土催化剂在环境保护中的应用进展
2.
Cis-1,4-polybutadiene rubbers were synthesized with rare-earth catalyst systems (NdBR), such as Neodymium naphthenate, and Neodymium caprate.
稀土催化剂顺式聚丁二烯橡胶(NdBR)不仅顺式1,4 结构含量(>97%)高于镍顺丁橡胶(NiBR)(约95%),而且具有较高的拉伸强度、撕裂强度、回弹、抗湿滑性,以及较低的生热和滚动阻力。
3.
The properties of polyisoprene bulk polymerized with rare-earth catalyst (Ln-IR) are reported.
杨彩云等用稀土催化剂对异戊二烯(Ip)进行本体聚合,聚合转化率达80%以上,聚合物中无疑胶,且分子量分布较窄(M_w/M?<2)。
4) rare-earth nodularizer
稀土球化剂
5) RE grain-refiner
稀土细化剂
6) Re-Mg compacted graphite cast iron
稀土镁蠕铁
1.
In this paper, the best technique of the isothermal quenching is obtained from the result of quite cross experiment, to increare the strenglh and toughness of the Re-Mg compacted graphite cast iron, on the basis of the C-curve of it.
本文在作者测定的稀土镁蠕铁C—曲线的基础上,经正交设计,优选出稀土镁蠕铁等温淬火的最佳工艺,使蠕铁的强韧性成倍提高。
补充资料：蠕化剂
vermiculizer：生产蠕墨铸铁的添加剂。
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