Results 41 to 50 of about 26,198 (157)

Green Synthesis of Cationic Polyacrylamide Composite Catalyzed by An Ecologically Catalyst Clay Called Maghnite-H+ (Algerian MMT) Under Microwave Irradiation

open access: yesBulletin of Chemical Reaction Engineering & Catalysis, 2016
In this study, a novel green cationic hydrogel of cationic polyacrylamide composite have been prepared and investigated. The synthesis of green cationic polyacrylamide composite was evaluated for its solubility in water.
Rahmouni Abdelkader, Belbachir Mohammed
doaj   +1 more source

The Cationic Polymerization of Acrolein [PDF]

open access: yesBulletin of the Chemical Society of Japan, 1964
Abstract The cationic polymerization of acrolein with boron trifluoride etherate at various temperatures has been studied. (1) The polymerization rate may be given as follows: RP=K[C] [M]2, on the basis of the polymerization in an ethyl ether solution, and the activation energy of reaction is 4.5 kcal./mol. (
Yoshio Toi, Yoshikazu Hachihama
openaire   +1 more source

Preparation of novel amphoteric polyacrylamide and its synergistic retention with cationic polymers

open access: yese-Polymers, 2020
A novel amphoteric polyacrylamide (PDAA) was prepared by inverse emulsion polymerization. The influence of its cationic degree and molecular weight on retention property was discussed.
Yang Kaiji   +4 more
doaj   +1 more source

Recent Applications of the (TMS)3SiH Radical-Based Reagent

open access: yesMolecules, 2012
This review article focuses on the recent applications of tris(trimethylsilyl)silane as a radical-based reagent in organic chemistry. Numerous examples of the successful use of (TMS)3SiH in radical reductions, hydrosilylation and consecutive radical ...
Chryssostomos Chatgilialoglu   +1 more
doaj   +1 more source

Cationic Polymerization

open access: yes, 2014
Citation: 'cationic polymerization' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.C00910 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +2 more sources

Cationic Gas-Permeable Mold Fabrication Using Sol–Gel Polymerization for Nano-Injection Molding

open access: yesGels
Cationic gas-permeable molds fabricated via sol–gel polymerization undergo cationic polymerization using epoxide, resulting in gas permeability owing to their cross-linked structures. By applying this cationic gas-permeable mold to nano-injection molding,
Sayaka Miura   +6 more
doaj   +1 more source

Photoinduced Synthesis of Block Copolymers by Combination of Atom Transfer Radical Polymerization and Photoinduced Radical Oxidation/Addition/Deactivation

open access: yesJournal of the Turkish Chemical Society, Section A: Chemistry, 2018
A new polymerization mechanistic transformation strategy, combining two different controlled polymerization techniques of different modes, atom transfer radical polymerization (ATRP) and photoinduced radical oxidation/addition/deactivation (PROAD), is ...
Mustafa Çiftci
doaj   +1 more source

DMC-grafted cellulose as green-based flocculants for agglomerating fine kaolin particles

open access: yesGreen Energy & Environment, 2018
Novel cellulose based flocculants C-g-P (DMC) with various chain architectures are synthesized through a situ graft copolymerization. The cationic ammonium chloride group (DMC) is grafted onto cellulose by two separate inverse emulsion polymerization ...
Meng Li   +4 more
doaj   +1 more source

Synthesis, characterization and photopolymerization of vinyl functionalized poly (ε-caprolactone)

open access: yeseXPRESS Polymer Letters, 2009
Vinyl functionalized poly (ε-caprolactone) with molar mass ranging from 500–5000 Da were synthesized by ring opening polymerization and further photopolymerized.
doaj   +1 more source

Synthesis of polystyrene suspensions with positive ζ-potential of particles in the presence of surfactants of various nature

open access: yesТонкие химические технологии, 2012
Colloid-chemical properties of cationic surfactants, as well as kinetic laws of polymerization of styrene in their presence were studied. Conditions of styrene polymerization providing stable polymeric suspensions with a high positive ζ-potential of ...
A. M. Shestakov   +3 more
doaj  

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