نتایج جستجو برای: styrene polymerization

تعداد نتایج: 35989  

Journal: :AIP Advances 2022

Smart materials with reversible wettability have attracted a lot of attention for application in sewage treatment. In this work, pH-responsive polymer was prepared via the one-step free radical polymerization 3-(trimethoxysilyl) acrylate and 2-dimethylaminoethyl methacrylate. The obtained then coated hydrogenated styrene–ethylene–butadiene–styrene block copolymer to endow material switchable su...

Journal: :Chemical communications 2014
Ying Wu Wei Zhang Zhengbiao Zhang Xiangqiang Pan Zhenping Cheng Jian Zhu Xiulin Zhu

The combo agent with roles of initiator and chain transfer agent was demonstrated in RAFT polymerization of styrene. Polymers with defined structures at both α and ω ends were obtained, which was verified by the successful synthesis of seven-block segments of PS and PMA by sequential addition of monomers in one pot.

Journal: :Journal of colloid and interface science 2013
Eliane Trovatti Adriane de Medeiros Ferreira Antonio José Felix Carvalho Sidney José Lima Ribeiro Alessandro Gandini

This investigation reports the first application of admicellar polymerization to cellulose nanofibers in the form of bacterial cellulose, microfibrillated cellulose, and cellulose nanowhiskers using styrene and ethyl acrylate. The success of this physical sleeving was assessed by SEM, FTIR, and contact angle measurements, providing an original and simple approach to the modification of cellulos...

Journal: :JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 1981

Journal: :Journal of chemical information and computer sciences 2001
Frederick Ignatz-Hoover Ruslan Petrukhin Mati Karelson Alan R. Katritzky

Quantitative structure-reactivity relationships (QSRR) are deduced for kinetic chain-transfer constants for 90 agents on styrene polymerization at 60 degrees C. Three- and five-parameter correlations were obtained with R2 of 0.725 and 0.818, respectively. The descriptors involved in the correlations are consistent with the proposed mechanism of the chain-transfer reactions.

2015
Başak Temur Ergan Mahmut Bayramoğlu Seval Özcan

This article contains original experimental data, figures and methods to the study of Microwave-assisted emulsion polymerization of styrene under the frame of "Enhanced Microwave Synthesis" (EMS), has been examined to investigate the advantages of Microwave (MW) power use in emulsion polymerization (Ergan et al., Eur. Polym. J. 69, 2015, 374-384). For comparative purpose, MW and conventional he...

Journal: :Carbohydrate polymers 2008
Kaewta Kaewtatip Varaporn Tanrattanakul

Cassava starch grafted with polystyrene (PS-g-starch) copolymer was synthesized via free-radical polymerization of styrene by using suspension polymerization technique. Potassium persulfate (PPS) was used as an initiator and water was used as a medium. The graft copolymer was characterized by Fourier transform infrared spectroscopy, differential scanning calorimetry, thermal gravimetric analysi...

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