1) Macromolecular coupling reaction
大分子偶联反应
2) macromolecular coupling agent
大分子偶联剂
1.
Based on nano-Si3N4(in 20nm diameter)modified with 16# macromolecular coupling agent,nano-Si3N4/nitrile-butadiene rubber(NBR)composite were prepared.
用粒径为20nm的纳米氮化硅(Si3N4)填充丁腈橡胶(NBR)制备纳米橡胶复合材料,用16#大分子偶联剂对纳米Si3N4进行表面处理,研究了复合材料的力学性能和热老化性能等。
2.
A macromolecular coupling agent was synthesized by atom transfer radical polymerization(ATRP) using styrene, n-butyl acrylate and γ-methacryloxypropyltrimethoxy silane, and its molecular structure and mass can be controlled.
通过原子自由基转移聚合的方法合成了一种大分子偶联剂 ,即苯乙烯、丙烯酸丁酯和 γ-甲基丙烯酸丙基三甲氧基硅烷的共聚物 ,其分子结构和分子量可控。
3.
Mechanics testing and SEM structure analysis showed that the wood flour modified with mixed silane and macromolecular coupling agents could render better mechanical performance and phase interface combination to the composites.
通过FTIR谱图分析了处理后木粉的表面结构,复合材料的力学性能测试和SEM结构分析表明,采用硅烷偶联剂和大分子偶联剂混合处理的木粉填充PVC复合材料体系力学性能和相界面结合较好。
3) macromolecule coupling agent
大分子偶联剂
1.
A silane coupling agent and two macromolecule coupling agents were used to treat the surface of aluminum hydroxide(ATH) and the influence of these coupling agents on properties of PE/ATH composite was investigated.
研究了用小分子硅烷偶联剂及所合成的大分子偶联剂表面改性的氢氧化铝 (ATH )对其填充的聚乙烯阻燃复合材料性能的影响 ,并对拉伸之后的复合材料的微观形态进行了表征。
2.
Ultrafine talc modified with macromolecule coupling agent and PP was mixed with rheometer and curves of torsion, time, temperature, prescription and rev were investigated in this paper.
用转矩流变仪研究了大分子偶联剂改性的滑石粉与聚丙烯的混炼性能 ,测得了转距与时间、温度、配方、转速的关系曲线。
4) Coupling reaction
偶联反应
1.
Recent advances in palladium catalysts for aryl chlorides coupling reaction;
氯代芳烃偶联反应中钯催化剂的研究进展
2.
Study on the coupling reaction of organotins and acid chlorides catalyzed by Pd/C;
Pd/C催化有机锡试剂和酰氯偶联反应的研究
3.
Catalytic activity of natural high molecule anchored palladium in coupling reaction of alkyltin hydride;
天然高分子锚定钯对烷基锡氢化物偶联反应的催化活性
5) cross-coupling reaction
偶联反应
1.
Sulfoether-functionalized, phosphine-functionalized and un-functionalized imidazolium salts(3a~3d, 4, 5) derived from ferrocene were synthesized and evaluated in the Suzuki-Miyaura cross-coupling reaction.
合成了硫醚官能化、膦官能化及未官能化的二茂铁咪唑盐,并研究了以其作为N-杂环卡宾配体前体对Pd催化的Suzuki-Miyaura偶联反应的影响,发现在4-甲基溴苯与苯硼酸偶联反应中以膦官能化的配体对催化性能提高有利,而硫醚官能化不利于催化性能提高。
2.
Suzuki cross-coupling reaction is one of the most efficient methods for the construction of Caryl-Caryl bonds.
Suzuki偶联反应是合成联芳基结构最有效的方法之一,近年许多用于芳基硼酸与各种卤代芳烃偶合的催化剂相继被开发。
3.
Secondly, the palladium-catalyzed cross-coupling reaction of pentafluoro-5-iodo-1,4-diene 4 w.
在第二部分中,研究了多氟-5-碘-1,4-二烯类化合物4在钯催化下与硼酸和末端炔烃的偶联反应: 1。
6) Coupled reaction
偶联反应
1.
SG is prepared by coupled reaction.
利用偶联反应合成溴甲酚绿键合硅胶,指出溴甲酚绿键合型改性硅胶作为新一代化学键合相,具有很大的发展潜
2.
In this paper, the authors deal with the composite effect and the conditions of coupled reaction of a heterogeneous system involving hydrophobic rubber as continuous phase and the close coupling modified clay as dispersed phase.
本文着重研究以疏水性的橡胶为连续相、以经偶联改性的粘土矿物为分散相的多相体系的复合效应及其偶联反应条件,并利用红外吸收光谱对亲水性粘土矿物的表面偶联方式进行初步的探讨。
补充资料：加特曼重氮盐偶联反应
分子式：
CAS号：
性质：重氮盐ArN2Cl在酸性溶液中用铜粉处理，放出氮气，发生偶联反应。当芳环上有吸电子基团时，偶联生成联苯型化合物Ar-Ar；当芳环上有给电子基团时，偶联生成偶氮化合物ArN=NAr。是合成这两类化合物常用的方法。 2ArN2Cl+2Cu→Ar-Ar(或ArN=NAr)+N2↑+CuCl2
CAS号：
性质：重氮盐ArN2Cl在酸性溶液中用铜粉处理，放出氮气，发生偶联反应。当芳环上有吸电子基团时，偶联生成联苯型化合物Ar-Ar；当芳环上有给电子基团时，偶联生成偶氮化合物ArN=NAr。是合成这两类化合物常用的方法。 2ArN2Cl+2Cu→Ar-Ar(或ArN=NAr)+N2↑+CuCl2
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参考词条