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Author : Nguyen Cam Tat
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (93 download)
Download or read book A Novel Free Radical Polymerisation Approach to Hyperbranched Poly(methyl Methacrylate) written by Nguyen Cam Tat and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marc-Henri Bouhier
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)
Download or read book Synthesis of Branched Poly(methyl Methacrylate) Via Controlled Free Radical Polymerisation written by Marc-Henri Bouhier and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lifeng Ding
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.:/5 (125 download)
Download or read book Synthesis of Soluble Hyperbranched Polymer Via Living Free Radical Polymerisation written by Lifeng Ding and published by . This book was released on 2005 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 694 pages
Book Rating : 4.F/5 ( download)
Download or read book Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards written by and published by . This book was released on 2007 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gregory Mark Carratt
Publisher :
ISBN 13 :
Total Pages : 372 pages
Book Rating : 4.:/5 (29 download)
Download or read book Free Radical Polymerization of Methyl Methacrylate with Gel Effect written by Gregory Mark Carratt and published by . This book was released on 1983 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alastair M. North
Publisher : Pergamon
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Kinetics of Free Radical Polymerization written by Alastair M. North and published by Pergamon. This book was released on 1966 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Abhijit Bandyopadhyay
Publisher : Springer
ISBN 13 : 9811065144
Total Pages : 188 pages
Book Rating : 4.8/5 (11 download)
Download or read book Hyperbranched Polymers for Biomedical Applications written by Abhijit Bandyopadhyay and published by Springer. This book was released on 2017-09-18 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive study on a new class of branched polymers, known as hyperbranched polymers (HBPs). It discusses in detail the synthesis strategies for these particular classes of polymers as well as biocompatible and biodegradable HBPs, which are of increasing interest to polymer technologists due to their immense potential in biomedical applications. The book also describes the one-pot synthesis technique for HBPs, which is feasible for large-scale production, as well as HBPs’ structure-property relationship, which makes them superior to their linear counterparts. The alterable functional groups present at the terminal ends of the branches make HBPs promising candidates in the biomedical domain, and the book specifically elaborates on the suitable characteristic properties of each of the potential biological HBPs’ applications. As such, the book offers a valuable reference guide for all scientists and technologists who are interested in using these newly developed techniques to achieve faster and better treatments.
Author : Chenying Zhao
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (126 download)
Download or read book Synthesis and Functionalization of Hyperbranched Poly(methyl Methacrylate) written by Chenying Zhao and published by . This book was released on 2019 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hyperbranched polymers have unique physical and chemical properties that make them interesting to people in both academia and industry. One way to make hyperbranched polymers is to use self-condensing vinyl polymerization (SCVP). Hyperbranched polymethacrylates can be prepared from methacrylate inimers (inimers are monomers that contain both initiation and polymerizable groups) by atom transfer radical polymerization (ATRP) and self-condensing vinyl polymerization (SCVP). The methyl methacrylate inimer was synthesized by reacting the carboxylic acid group of 2-bromo-3-hydroxy-2- methylpropionic acid with methacrylic acid and esterifying the alcohol group with methanol.4 This methyl methacrylate inimer was then polymerized under atom transfer radical polymerization conditions. Post-polymerization functionalization is often used to change and/or improve the properties of polymers. For hyperbranched polymers made by atom transfer radical polymerization, the halogen atoms (chlorine or bromine) remaining in the polymer backbone provide sites for post-polymerization functionalization. The halogen atoms in polymethacrylates are bonded to tertiary carbons, which are more hindered and less electrophilic than the halogen sites in hyperbranched polyacrylates, but are presumably more susceptible to cationic rearrangement. The hyperbranched poly(methyl methacrylate) is rearrangeable with heating and to give a primary bromine.
Author : P. Gloriot
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 ( download)
Download or read book Novel Free Radical Polymerization Method for the Production of Ethylene Terpolymers and Ethylene Copolymers written by P. Gloriot and published by . This book was released on 1986 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sov Atkinson
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (223 download)
Download or read book High Pressure Free Radical Polymerisation of Methyl Methacrylate written by Sov Atkinson and published by . This book was released on 1998 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mustafa Çıkılmazkaya
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (85 download)
Download or read book A Novel Initiating System for Controlled Radical Polymerization of Methyl Methacrylate written by Mustafa Çıkılmazkaya and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Guojian Wang
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110597098
Total Pages : 326 pages
Book Rating : 4.1/5 (15 download)
Download or read book Polymer Synthesis written by Guojian Wang and published by Walter de Gruyter GmbH & Co KG. This book was released on 2020-11-23 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book systematically presents fundamental principles, properties, implementation methodologies, technologies and applications of polymer synthesis. Ring opening metathesis polymerization, click chemistry, macromolecular self-assembly, carbon nanomaterials and their modification with polymers are discussed in detail. With abundant illustrations, it is an essential reference for polymer chemists, material scientists, and graduate students.
Author : Robert Bernard Grubbs
Publisher :
ISBN 13 :
Total Pages : 113 pages
Book Rating : 4.:/5 (419 download)
Download or read book Preparation of Branched and Hyperbranched Macromolecules Through Living Cationic and Free Radical Polymerization written by Robert Bernard Grubbs and published by . This book was released on 1998 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download Experimental and Modelling Investigation of a Novel Tetrafunctional Initiator in Free Radical Polymerization [electronic Resource] PDF Online Free](https://books.google.com/books/content/images/frontcover/5HL8twEACAAJ?fife=w200-h370)
Author : Matthew Scorah
Publisher : University of Waterloo
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (1 download)
Download or read book Experimental and Modelling Investigation of a Novel Tetrafunctional Initiator in Free Radical Polymerization [electronic Resource] written by Matthew Scorah and published by University of Waterloo. This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Graeme Moad
Publisher : Pergamon
ISBN 13 : 9780080420783
Total Pages : 0 pages
Book Rating : 4.4/5 (27 download)
Download or read book The Chemistry of Free Radical Polymerization written by Graeme Moad and published by Pergamon. This book was released on 1995 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall aim of this work is to provide a framework for greater understanding of free radical polymerization. Each chapter describes some of the techniques that have been employed to characterize polymers and polymerizations.
Author : Omari E Ansong
Publisher :
ISBN 13 :
Total Pages : 153 pages
Book Rating : 4.:/5 (128 download)
Download or read book Preparation and Evaluation of Novel Initiators for the Thermally Mild Living and Controlled Free Radical Polymerization of Methacrylates written by Omari E Ansong and published by . This book was released on 2008 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: A number of nitroxide adducts and N-acyloxytrialkylammonium salts were prepared, isolated, characterized and evaluated as initiators for the controlled and living free radical polymerization of methacrylate and dimethacrylate monomers under mildly thermal and photochemical conditions. The initiators and polymerization methods that were developed could potentially be used for improving resins employed in dental applications. Using very easy synthesis strategies, the following nitroxide initiators were prepared in high purity, isolated and characterized: 1-Benzoylperoxy-2,2,6,6-tetramethyl-piperidine (BPO/TEMPO), 1-(2'-Cyano-2'-propoxy)-2,2,6,6-tetramethylpiperidine (AIBN/TEMPO), 1,1-ditertbutyl-1-(1-methyl-1-cyanoethoxy)-amine (AIBN/DBN), 1,1-ditertbutyl-1-(benzoylperoxy)-amine (BPO/DBN) and 2,2,6,6,-tetramethyl-4-oxo-1-(1-methyl-1-cyanoethoxy)-piperidine (AIBN/4-OXO-TEMPO). Using H2SO4 additive and an improved unimolecular initiation in nitroxide mediated polymerization, living and controlled polymerization of methyl methacrylate (MMA), tri-ethylene glycol dimethacrylate (TEGDMA) and ethoxylated bisphenol A dimethacrylate (EBPADMA) were accomplished, for the first time ever for most of the initiators. Linear polymers (PMMA) were produced in high yield (93 %) under mildly thermal conditions (T = 70 oC) and with excellent attributes: (PDI = 1.04-1.26), Mn (87000), Tg (122-128 oC), Td (290-410 oC). Highly crosslinked polymers, poly(TEGDMA) and poly(EBPADMA), were produced in high yield (100 %) with Td (350-400 oC). The initiators were stable for a year and half at 0 oC. Two routes were investigated for the preparation of N-acyloxytrialkylammonium salts. The more efficient of these routes was used to make several novel analogs of the salts. The salts were evaluated for the free radical polymerization of MMA, TEGDMA and EBPADMA under mildly thermal (T = 60 oC) conditions with and without H2SO4 additive. Polymerization rate, yield and polymer attributes all improved upon application of H2SO4 additive. PMMA was produced with excellent attributes (PDI = 1.01-1.06), Mn (96,000-122000), Td (330-385) and Tg (127-134). Highly crosslinked poly(TEGDMA) and poly(EBPADMA) were produced with Td ranges of 300-374 oC and 375-411 oC respectively.
Author : Narendra Pal Singh Chauhan
Publisher : CRC Press
ISBN 13 : 1000291111
Total Pages : 304 pages
Book Rating : 4.0/5 (2 download)
Download or read book Functionalized Polymers written by Narendra Pal Singh Chauhan and published by CRC Press. This book was released on 2021-05-14 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functionalized polymers are macromolecules to which chemically bound functional groups are attached which can be used as catalysts, reagents, protective groups, etc. Functionalized polymers have low cost, ease of processing and attractive features for functional organic molecules. Chemical reactions for the introduction of functional groups in polymers and the conversion of functional groups in polymers depend on different properties. Such properties are of great importance for functionalization reactions for possible applications of reactive polymers. This book deals with the synthesis and design of various functional polymers, the modification of preformed polymer backbones and their various applications.
