Controlled Radical Polymerization of Vinyl Monomers Mediated by Cobalt(ii) Porphyrin and Organo-Cobalt Complexes free download
Controlled Radical Polymerization of Vinyl Monomers Mediated Cobalt(ii) Porphyrin and Organo-Cobalt Complexes
Date: 01 Sep 2011
Publisher: Proquest, Umi Dissertation Publishing
Language: English
Format: Paperback::216 pages
ISBN10: 1243620617
Publication City/Country: Charleston SC, United States
Dimension: 189x 246x 12mm::395g
Download: Controlled Radical Polymerization of Vinyl Monomers Mediated Cobalt(ii) Porphyrin and Organo-Cobalt Complexes
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Living radical polymerization (LRP) of methyl acrylate (MA), acrylic acid (AA), and vinyl acetate (VAc) mediated cobalt(II) porphyrin complexes ((TMP)Co II,(TMPS)Co II ) are reported. The polymeric products with relatively low polydispersity and controlled number average molecular weight (M n) based on one polymer chain per cobalt complex demonstrate the living characters of the The best recognized chain transfer catalysts are low spin cobalt(II) complexes and organo-cobalt(III) species, which function as latent storage sites for organo-radicals required to obtain living radical polymerization several pathways. The major products of catalytic chain transfer polymerization are vinyl terminated polymer chains. Controlled radical polymerization of vinyl monomers mediated cobalt(II) porphyrin and organo -cobalt complexes. Chi-How Peng, University of Pennsylvania. Abstract. Controlled/living radical polymerization (CRP/LRP) provides a versatile route for the synthesis of well-controlled homo and block copolymers with predetermined molecular weight (Mn), narrow molecular weight distribution (low PDI Organometallic catalysis、Controlled radical polymerization、Development of new inorganic / * "Cobalt Bipyridine Bisphenolate Complex in Controlled/Living Radical Polymerization of Vinyl Monomers" Macromolecules Living radical polymerization of acrylic acid and vinyl acetate mediated organo-cobalt porphyrin complexes" Polym. Prepr 上领英，在全球领先职业社交平台查看赵亚光的职业档案。赵亚光的职业档案列出了 1 个职位。查看赵亚光的完整档案，结识职场人脉和查看相似 247. Woska D.C., Gridnev А.А., Wayland В.В. Organo- cobalt bond dissociation enthalpies and thermodynamic properties of organic radicals from reactions of cobalt(II) porphyrin complexes with radicals and olefins. // Book of Abstracts, 211th ACS National Meeting, New Orleans, LA.-1996.- … Photomediated controlled radical polymerization is a versatile method to prepare, under mild conditions, various well-defined polymers with complex architecture, such as block and graft copolymers, sequence-controlled polymers, or hybrid materials via surface-initiated polymerization. It also provides opportunity to manipulate the reaction through spatiotemporal control. This review presents a Organo-cobalt mediated living radical polymerization of vinyl acetate. Macromolecules, 2008, 41: 2368–2373 250 中国科学: 化学 2014 年 第 44 卷 第2期 77 Li S, de Bruin B, Peng CH, Fryd M, Wayland BB. Exchange of organic radicals with organo-cobalt complexes formed … Methyl acrylate. CAS Number: 96-33-3. Catalog Number: AA0038FP. MDL Number: MFCD00008627. Molecular Formula: C4H6O2. Molecular Weight: 86.0892. AA Blocks. Highly Stretchable Free-Standing Poly(acrylic acid)-block-poly(vinyl alcohol) Films Obtained from Cobalt-Mediated Radical Polymerization Organometallic mediated radical polymerization is based on the fast and reversible homolytic cleavage of a metal–carbon bond. This mechanism may proceed using the reversible termination (RT) principle, where the transition metal acts as a reversible spin-trap. Full text of "Profiles In Scientific Research Contributions Of The Fellows Vol-ii" See other formats Read "Overview of cobalt-mediated radical polymerization: Roots, state of the art and future prospects, Progress in Polymer Science" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. These reactions are relevant to catalytic chain transfer (CCT) in radical polymerization of olefins mediated [Co II (por)]., the formation and homolysis of organo‐cobalt complexes that mediate living radical polymerization of vinyl acetate, and cobalt‐mediated hydrogenation of olefins. A well-defined, versatile photoinitiator (salen)Co– CO2CH3 for visible light-initiated living/controlled radical polymerization† Yaguang Zhao,a Mengmeng Yu,a Shuailin Zhang,a Zhenqiang Wu,a Yuchu Liu,a Chi-How Peng*b and Xuefeng Fu*a The control of the polymerization of a wide range of monomers under mild conditions a single catalyst Aspects of living radical polymerization mediated cobalt porphyrin complexes Journal of the Chinese Chemical Society. 56: 219-233. 1: 2008: Li S, de Bruin B, Peng CH, Fryd M, Wayland BB. Exchange of organic radicals with organo-cobalt complexes formed in the living radical polymerization of … Cobalt-mediated radical polymerization (CMRP) and other organometallics (Te, Sb, Ti, etc.) mediated radical polymerization are currently more valuable on the synthesis of controlled polymers of specific monomers. ^ Cobalt porphyrin complexes are effective to control the radical polymerization of acrylates and vinyl acetate (VAc) through
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