نتایج جستجو برای: bulk polymerization

تعداد نتایج: 106601  

Journal: :Journal of polymer science 2023

Abstract Group transfer polymerization (GTP) is a method developed to obtain targeted (meth)acrylic polymers in solution at ambient temperatures. In this work, it employed with methacrylic monomers low Ð bulk. regard, different initiator systems that exhibit mechanisms are compared concerning the molecular weight, polydispersity and double bond conversion of resulting bulk polymers. The respect...

Journal: :Journal of Polymer Science Part A-1: Polymer Chemistry 1971

Journal: :Molecules 2013
Mohammad A Aldosari Ali A Othman Edreese H Alsharaeh

Polymethylmethacrylate-graphene (PMMA/RGO) nanocomposites were prepared via in situ bulk polymerization using two different preparation techniques. In the first approach, a mixture of graphite oxide (GO) and methylmethacrylate monomers (MMA) were polymerized using a bulk polymerization method with a free radical initiator. After the addition of the reducing agent hydrazine hydrate (HH), the pro...

Journal: :Physical chemistry chemical physics : PCCP 2017
A Richter V Haapasilta C Venturini R Bechstein A Gourdon A S Foster A Kühnle

Molecular electronics has great potential to surpass known limitations in conventional silicon-based technologies. The development of molecular electronics devices requires reliable strategies for connecting functional molecules by wire-like structures. To this end, diacetylene polymerization has been discussed as a very promising approach for contacting single molecules with a conductive polym...

Ahmad Ramazani S.A., Ali Dashti

A new model based on a combination of the polymeric multigrain and multilayer models has been developed to predict the polymerization rate, particle growth, morphology, effective parameters on broadening of the molecular weight distribution, number and weight average of the molecular weight, isotacticity index and bulk density of polymer. Mathematical correlations and the kinetics used in t...

Journal: :Physical Chemistry Chemical Physics 2017

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2008
ali dashti ahmad ramazani s.a.

a new model based on a combination of the polymeric multigrain and multilayer models has been developed to predict the polymerization rate, particle growth, morphology, effective parameters on broadening of the molecular weight distribution, number and weight average of the molecular weight, isotacticity index and bulk density of polymer. mathematical correlations and the kinetics used in this ...

Journal: :Revista da Faculdade de Odontologia - UPF 2018

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