نتایج جستجو برای: chemical polymerization

تعداد نتایج: 405925  

Journal: :Chemical communications 2012
Anshu Kumar Rekha Singh Sreelekha P Gopinathan Anil Kumar

In this communication, we report on a solvent free chemical oxidative polymerization route for the monomers based on 3,4-propylenedioxythiophenes wherein the process is applicable to both solid as well as liquid monomers and results in the bulk synthesis of ultra high molecular weight polymers.

Journal: :Acta odontologica latinoamericana : AOL 2010
Rodrigo O A Souza Mutlu Ozcan Alfredo M M Mesquita Renata M De Melo Graziella A P Galhano Marco A Bottino Carlos A Pavanelli

Polymerization of indirect resin composites (IRC) is carried out in the 'laboratories using special photo-polymerization devices to achieve a higher degree of conversion (DC). Such devices present variation in chambers and light output which may have consequences on the chemical and physical properties of IRCs. This study evaluated the effect of different polymerization devices on the flexural ...

Journal: :Chemical communications 2012
Jianxi Liu Qian Ye Bo Yu Xiaolong Wang Feng Zhou

Biomimic catecholic "ink" is employed in surface patterning by using microcontact printing (μCP) on a variety of surfaces. The surface chemical patterning can be proofed by implementing a derivation reaction, such as specific biological recognition and surface-initiated polymerization for growth of polymer brushes.

2008
Laura C. Pavelka Simon J. Holder Kim M. Baines

If you believe this document infringes copyright then please contact the KAR admin team with the take-down information provided at http://kar.kent.ac.uk/contact.html Citation for published version Pavelka, Laura C. and Holder, Simon J. and Baines, Kim A. (2008) Addition polymerization of 1,1-dimesitylneopentylgermene: synthesis of a polygermene. Chemical Communications (20). pp. 2346-2348. ISSN...

Journal: :Chemical communications 2011
Changgang Xu Lei Ye

Terminal alkynyl and azide groups are introduced on the surface of molecularly imprinted core-shell nanoparticles using precipitation polymerization. These clickable groups enable simple nanoparticle conjugation and surface modification under mild reaction conditions, opening new opportunities for nanoparticle-based assays and chemical sensing.

Journal: :Chemical Engineering Journal 2021

Several systems in organic chemistry are so large and complex that formulating the rate equations for their kinetics is difficult. Examples include polymerization of bio-derived materials, such as natural oils resins, metabolic oxidation reactions, Krebs cycle. The challenge lies diversity reaction products growth size, which may be unbounded due to polymerization-like reactions. Here we demons...

Journal: :E3S web of conferences 2021

The driving idea and the main objective of this synthetic work is study physicochemical factors such as dielectric constant solvent, polarizability chains Gap energy conductive polymers, these characteristics condition their properties. electrical electrochemical. We focused our on polyaniline, two methods are presented: chemical polymerization electropolymerization with emphasis theoretical as...

2012
Minna Annala Jukka Seppälä

Aalto University, P.O. Box 11000, FI-00076 Aalto www.aalto.fi Author Minna Annala Name of the doctoral dissertation Electrically conductive polymeric materials through polymerization and compatibilization Publisher School of Chemical Technology Unit Department of Biotechnology and Chemical Technology Series Aalto University publication series DOCTORAL DISSERTATIONS 116/2012 Field of research Po...

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