Process for preparing polyoxymethylene copolymers (POMs) by a) polymerizing a reaction mixture comprising suitable main monomers and comonomers and also a polymerization initiator and, if appropriate, a regulator, b) adding a deactivator and c) removing the residual monomers, wherein the amount of ...
acountable nouns 可数的名词 [translate] aThis section is to investigate the effects of polymerization reaction and scale-up on the hydrodynamic behaviors of polydisperse system in the FBR. 这个部分是调查聚化反应的作用并且称在polydisperse系统水力行为在快中子增殖反应堆。 [translate] ...
(redirected fromPolymerization reaction) Thesaurus Medical Encyclopedia po·lym·er·i·za·tion (pə-lĭm′ər-ĭ-zā′shən, pŏl′ə-mər-) n. 1.The bonding of two or more monomers to form a polymer. 2.A chemical process that effects this bonding. ...
The mechanism of the anionic coordination polymerization of isoprene The kinetics of isoprene (2-methyl-1,3-butadiene) in benzene with butyllithium as the was investigated by the gas chromatographic method. After completion of the initial period of the reaction, its order with respect to the initia...
The Barbier reaction, a widely utilized reaction for carbon–carbon bond formation, has played important roles in modern organic chemistry for more than a century. Here, we show its successful introduction to polymer chemistry. Through one-pot Barbier polyaddition (both A2+B2 type and AB type) ...
Or complexes d- or f- block metal-containing olefin polymerization catalyst compound and at least one (MAOC) methylaluminoxane novel compositions which are solid at 25 ℃ have a total aluminum content of 47 wt% 39 carrying out the polymerization of olefin monomers by using a. Do not include...
Density functional theory (DFT) calculations were performed to study the detailed reaction mechanism of the cross-metathesis of ethylene and 2-butylene over heterogeneous Mo/HBeta catalysts. The whole process is divided into two stages: the initiation of Mo–carbene species from Mo-oxo precursors an...
are artificial. Polymers have extremely high molecular weights, make up many of the tissues of organisms, and are used to make such materials as plastics, concrete, glass, and rubber. ♦ The process by which molecules are linked together to form polymers is calledpolymerization(pə-lĭm′...
intrinsic processes to artificially construct the desired specific and functional nanostructures. We try to describe the most directive and effective way to control the structures of nanocrystals for researchers who can master the major reaction mechanism and grasp the basic technologies in synthetic ...
living polymerization 活性聚合 living radical polymerization 活性自由基聚合 simultaneous reaction平行反应 undergo 进行,经历 mediate 传递,媒介 specificity 特异性,专一性,特征 critical 决定性的 nitroxide-mediated polymerization (NMP) 硝基氧介导聚合 atom transfer radical polymerization ( ATRP ) 原子转移自由基聚合...