Metallic complex, catalyst composition and process for the addition of polimeriza\\u00e7ao. Are hafnium complexes of ligands imidazole - 2 - Il organic heterocyclic containing ortometaliza\\u00e7\\u00e3o internal and their use as polymerization catalyst components of compositions olef\\u00ednica,...
It is known that polymaleimides can be used as raw materials for the manufacture of polyaddition products and polymerisation products. Thus, for example, French Pat. No. 1,555,564 describes the polyaddition of N,N'-bis-maleimides with primary diamines and the curing of these pre-adducts ...
A catalyst is provided for addition polymerization of olefinically unsaturated monomers comprising a first compound MY, wherein M is a transition metal in a low valency state or a transition metal in a low valency state coordinated to at least one coordinating non-charged ligand, Y is a monoval...
Zur polymerisation von acrylnitril mit AgNO3, 4. Mitt The complex formation of acrylonitrile (AN) and AgNO 3 is discussed and kinetically evaluated; the assumption that in case of AN the initiation occurs from a complex of the monomer with the salt is substantiated. ln addition, the rate o....
In addition, the notification also concerns the way in ... J Ortyl,M Topa,F Petko,... 被引量: 0发表: 2020年 Kinetic models of stationary and nonstationary photoinitiated polymerisation of dimethacrylates A kinetic model of three-dimensional bulk polymerisation of multifunctional monomers till ...
into high mol wt. polyamide suitable for the prodn. of fibre, film etc. Process can also be integrated with the actual prodn. of PA6, and is cheap and more environmentally acceptable than total depolymerisationag 展开 收藏 引用 批量引用 报错 分享 ...
Process for the preparation of an aqueous polymer dispersion The present inventionelateso processorhe preparationfqueous polymer dispersion,yreeadical polymerisationfnsaturatedonomers, inhe presenceft leastnereeadical initiatorndt leastneAFTompound innqueous polymerisationedium, 1) ≥1nd ≤80 wt%f... ...
An electron-withdrawing group-containing metal compound (I) of an atom of the Group III to the Group XII or lanthanide series of the Periodic Table of the Elements, a catalyst component for addition p
The present invention relates to a process for polymerisation of olefins, in particular gas phase polymerisation of olefins, with the aid of a supported chromium oxide based catalys
The unique kinetics in the nucleation process was confirmed as a thermal hysteresis in a cycle of assembly and disassembly processes. Under appropriate conditions within the hysteresis loop, addition of preassembled nanofiber seeds leads to seeded polymerization from the termini of the seeds in a ...