Results 21 to 30 of about 286,240 (297)

Synthesis and Characterization of Polysulfone-based Graft Copolymer Possessing Quaternary Ammonium Salts via Photoiniferter Polymerization

Journal of the Turkish Chemical Society, Section A: Chemistry, 2017
Well-defined polysulfone-based graft copolymers containing quaternary ammonium salts are successfully prepared by photoiniferter method under mild conditions.
Mehmet Atilla Taşdelen, Serhat Oran
doaj   +1 more source

Improvement of Thermal and Mechanical Properties of Vietnam Deproteinized Natural Rubber via Graft Copolymerization with Methyl Methacrylate

International Journal of Polymer Science, 2020
In this study, we investigated the improvement of the thermal and mechanical properties of Vietnam deproteinized natural rubber (DPNR) via graft copolymerization of methyl methacrylate (MMA).
Thi Nhan Nguyen, Hieu Nguyen Duy, Dung Tran Anh, Thuong Nghiem Thi, Thu Ha Nguyen, Nam Nguyen Van, Tung Tran Quang, Tung Nguyen Huy, Thuy Tran Thi   +8 more
doaj   +1 more source

Biodegradation of starch–graft–polystyrene and starch–graft–poly(methacrylic acid) copolymers in model river water [PDF]

Journal of the Serbian Chemical Society, 2013
In this paper the biodegradation study of grafted copolymers of polystyrene (PS) and corn starch and poly(methacrylic acid) and corn starch in model river water is described. These copolymers were obtained in the presence of different amine activators.
Nikolić Vladimir, Veličković Sava, Antonović Dušan, Popović Aleksandar   +3 more
doaj   +1 more source

Synthesis and Characterization of Cellulose-graft-poly(p-dioxanone) Copolymers via Homogeneous Ring-Opening Graft Polymerization in Ionic Liquids

BioResources, 2016
Cellulose-graft-poly(p-dioxanone) copolymers (cellulose-g-PPDO) were homogeneously prepared via ring-opening graft polymerization (ROP) between p-dioxanone (PDO) and hydroxyl groups of cellulose using the catalyst 4-dimethylaminoptridine (DMAP) in the ...
Li Zhang, Yanzhu Guo, Jinghui Zhou, Guangwei Sun, Ying Han, Xiaohui Wang   +5 more
doaj   +1 more source

GRAFT-COPOLYMERS BY FREE-RADICAL COUPLING REACTIONS .2. POLY(METHYL METHACRYLATE)-POLYBUTADIENE GRAFT-COPOLYMERS

, 1995
''Active'' poly(methyl methacrylate) having peroxygen groups of 1.6 wt-% and with M(n)=15000 g/mol, were prepared and used in the free radical coupling reactions of polybutadiene.
HAZER, B
core   +2 more sources

Free-radical graft copolymerization acrylamide, 2-sodium 2-acrylamido-2-methylpropane sulfonic onto chitosan [PDF]

Известия Саратовского университета. Новая серия: Серия Химия. Биология. Экология, 2023
The method presents obtaining hydrosoluble graft copolymer of complicated structure based on сhitosan, acrylamide (AM), sodium 2-acrylamido-2-methylpropane sulfonic (АМPS-Na) in order to obtain fl ocсulant which is resistant to salt of transition metals ...
Obshitser, Аrtur S., Bayburdov, Telman А., Shmakov, Sergei L.   +2 more
doaj   +1 more source

In vitro mineralisation of grafted ePTFE membranes carrying carboxylate groups

Bioactive Materials, 2017
In vitro mineralisation in simulated body fluid (SBF) of synthetic polymers continues to be an important area of research as the outcomes cannot be predicted. This study evaluates a series of ePTFE membranes grafted with carboxylate-containing copolymers,
Norsyahidah Mohd Hidzir, David J.T. Hill, Darren Martin, Lisbeth Grøndahl   +3 more
doaj   +1 more source

Effect of the structure of ethylene-propylene-diene-graft-polystyrene graft copolymers on morphology and mechanical properties of SAN/EPDM blends

eXPRESS Polymer Letters, 2007
Ethylene-propylene-diene-graft-polystyrene (EPDM-g-PS) copolymers were synthesized to obtain different structures of graft copolymers with different graft lengths and graft densities. The structure of synthesized EPDM-g-PS copolymers was characterized by
doaj   +1 more source

Fortschritte bei der Synthese von Kunststoffen

CHIMIA, 1974
One of the main tasks of industrial polymer research is to verify physical models via directed synthesis using common monomers. Recent advances in this direction are described in the area of copolymerization (alternating copolymers, random copolymers ...
H. Cherdon
doaj   +1 more source

Synthesis, Characterization and Evaluation of the Transformations in Hibiscus sabdariffa-graft-poly(butyl acrylate)

E-Journal of Chemistry, 2008
Different reaction parameters for the graft copolymerization of butyl acrylate onto Hibiscus sabdariffa fiber were optimized. Graft copolymers thus obtained were subjected to characterization using XRD, TGA, DTA, SEM and FTIR techniques and were ...
B. S. Kaith, Aashish Chauhan
doaj   +1 more source