Macromolecular Chemistry and Physics

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Structure and Properties of Poly(butyl acrylate‐block‐sulfone‐block‐butyl acrylate) Triblock Copolymers Prepared by ATRP
Macromolecular Chemistry and Physics - Tập 206 Số 1 - Trang 33-42 - 2005
Ying Zhang, Im Sik Chung, Jinyu Huang, Krzysztof Matyjaszewski, Tadeusz Pakuła
AbstractSummary: A series of telechelic OH polysulfones (PSU) were converted to atom transfer radical polymerization (ATRP) macroinitiators by reaction with 2‐bromoisobutyryl bromide. Three macroinitiators with different chain lengths were extended with poly(butyl acrylate) (PBA) to form ABA triblock copolymers. The structure and dynamics of ...... hiện toàn bộ
Ternary Thermosetting Blends of Epoxy Resin, Poly(ethylene oxide) and Poly(ε‐caprolactone)
Macromolecular Chemistry and Physics - Tập 206 Số 9 - Trang 929-937 - 2005
Yin Ming-hua, Sixun Zheng
AbstractSummary:The ternary thermosetting blends composed of epoxy resin, poly(ethylene oxide) (PEO) and poly(ε‐caprolactone) (PCL) were prepared via in situ polymerization of epoxy monomers in the presence of the two crystalline polymers, PEO and PCL. DSC results showed that the binary blends of epoxy with PEO (and...... hiện toàn bộ
Synthesis and Self‐Assembly Behavior of Organic–Inorganic Poly(ethylene oxide)‐block‐Poly(MA POSS)‐block‐Poly(N‐isopropylacrylamide) Triblock Copolymers
Macromolecular Chemistry and Physics - Tập 213 Số 4 - Trang 458-469 - 2012
Yaochen Zheng, Lei Wang, Rentong Yu, Sixun Zheng
AbstractIn this work, the synthesis of 3‐methacryloxypropylheptaphenyl POSS, a new POSS macromer (denoted MA‐POSS) is reported. The POSS macromer is used to synthesize PEO‐b‐P(MA‐POSS)‐b‐PNIPAAm triblock copolymers via sequential atom transfer radical polymerization (ATRP). The organic‐inorganic, amphiphilic and...... hiện toàn bộ
Ethylene–Propylene–Silsesquioxane Thermoplastic Elastomers
Macromolecular Chemistry and Physics - Tập 209 Số 12 - Trang 1198-1209 - 2008
Bradley Seurer, E. Bryan Coughlin
AbstractPreparative methods for the incorporation of polyhedral oligomeric silsesquioxane (POSS) macromonomers into ethylene–propylene (EP) polymers have been developed that utilize metallocene polymerization. Analysis of these novel ethylene–propylene–POSS polymers using wide‐angle X‐ray diffraction reveals that pendant POSS groups off the polymer backbones aggreg...... hiện toàn bộ
Fluoroelastomer Copolymers Incorporating Polyhedral Oligomeric Silsesquioxane
Macromolecular Chemistry and Physics - Tập 209 Số 19 - Trang 2040-2048 - 2008
Bradley Seurer, E. Bryan Coughlin
AbstractThe aggregation of polyhedral oligomeric silsesquioxane (POSS) in copolymers was studied by incorporation of POSS into fluorinated copolymers, namely poly(octafluoropentyl acrylate) elastomers. The aggregation of POSS in copolymers affords unique materials. Studies of these novel polymers show POSS aggregates in these copolymers with both the phenyl and iso...... hiện toàn bộ
Polyurethane Networks Modified with Octa(propylglycidyl ether) Polyhedral Oligomeric Silsesquioxane
Macromolecular Chemistry and Physics - Tập 207 Số 20 - Trang 1842-1851 - 2006
Yonghong Liu, Yong Ni, Sixun Zheng
AbstractSummary: OpePOSS was incorporated into polyurethane to make organic‐inorganic hybrid composites and nano‐composites containing up to 20 wt.‐% POSS were prepared. The formation of the hybrid polyurethane networks is ascribed to two principal cross‐linking reactions: i) the cross‐linking reaction between MOCA and the polyurethane prepol...... hiện toàn bộ
Epoxy Resin Containing Octamaleimidophenyl Polyhedral Oligomeric Silsesquioxane
Macromolecular Chemistry and Physics - Tập 206 Số 20 - Trang 2075-2083 - 2005
Yong Ni, Sixun Zheng
AbstractSummary: Octamaleimidophenyl polyhedral oligomeric silsesquioxane (OmipPOSS) was synthesized via the imidization reaction between octaaminophenyl polyhedral oligomeric silsesquioxane (OapPOSS) and maleic anhydride, and it was characterized by means of Fourier transform infrared (FTIR) and NMR spectroscopies. OmipPOSS was further emplo...... hiện toàn bộ
Influence of Type of Initiation on Thiol–Ene “Click” Chemistry
Macromolecular Chemistry and Physics - Tập 211 Số 1 - Trang 103-110 - 2010
Mustafa Uyğun, Mehmet Atilla Taşdelen, Yusuf Yağcı
AbstractThermally and photochemically initiated thiol–ene click reactions using thiol‐ and allyl‐ end functionalized linear polystyrenes with various enes (allyl bromide, methyl acrylate, and methyl methacrylate) and thiol (3‐mercaptopropionic acid) have been investigated. Allyl‐ and thiol‐end‐capped polystyrenes with controlled molecular weight and low polydispers...... hiện toàn bộ
Modification of Natural Rubber by Grafting with Hydrophilic Vinyl Monomers
Macromolecular Chemistry and Physics - Tập 206 Số 24 - Trang 2450-2460 - 2005
Wiyong Kangwansupamonkon, Robert G. Gilbert, Suda Kiatkamjornwong
AbstractSummary: The grafting of two hydrophilic vinyl monomers, dimethylaminoethyl acrylate (DMAEA) and dimethylaminoethyl methacrylate (DMAEMA), onto natural rubber latex was carried out by emulsion polymerization using redox initiation. The effects of the redox initiator concentration and type (cumene hydroperoxide/tetraethylenepentamine, ...... hiện toàn bộ
Configuring Anion‐Exchange Membranes for High Conductivity and Alkaline Stability by Using Cationic Polymers with Tailored Side Chains
Macromolecular Chemistry and Physics - Tập 217 Số 10 - Trang 1108-1118 - 2016
Patric Jannasch, E. Annika Weiber
Polymeric anion‐exchange membranes (AEMs) are critical components for alkaline membrane fuel cells (AMFCs) which offer several attractive advantages including the use of platinum‐free catalysts and a wide choice of fuel. The development of AMFCs and other electrochemical energy systems is currently severely limited by the lack of AEMs with sufficient alkaline stability. Still, significant ...... hiện toàn bộ
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