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
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 the ABA triblock copolymers with PSU central
segments an...
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
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/or PCL) are fully miscible in the entire composition in the amorphous
state. FTIR ...
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
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
thermoresponsive ABC triblock copolymers are characterized by means of nuclear
magneti...
Ethylene–Propylene–Silsesquioxane Thermoplastic Elastomers
Macromolecular Chemistry and Physics - Tập 209 Số 12 - Trang 1198-1209 - 2008
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 aggregate with a phenyl periphery,
and ...
Fluoroelastomer Copolymers Incorporating Polyhedral Oligomeric Silsesquioxane
Macromolecular Chemistry and Physics - Tập 209 Số 19 - Trang 2040-2048 - 2008
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 isobutyl peripheries, as
the chain‐r...
Polyurethane Networks Modified with Octa(propylglycidyl ether) Polyhedral Oligomeric Silsesquioxane
Macromolecular Chemistry and Physics - Tập 207 Số 20 - Trang 1842-1851 - 2006
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 prepolymer and ii) the inter‐component
reaction between the PU...
Epoxy Resin Containing Octamaleimidophenyl Polyhedral Oligomeric Silsesquioxane
Macromolecular Chemistry and Physics - Tập 206 Số 20 - Trang 2075-2083 - 2005
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 employed to prepare epoxy hybrids. The
thermosetting hybrids ...
Influence of Type of Initiation on Thiol–Ene “Click” Chemistry
Macromolecular Chemistry and Physics - Tập 211 Số 1 - Trang 103-110 - 2010
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 polydispersity were
prepared by atom transfe...
Modification of Natural Rubber by Grafting with Hydrophilic Vinyl Monomers
Macromolecular Chemistry and Physics - Tập 206 Số 24 - Trang 2450-2460 - 2005
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, CHP/TEPA; tert‐butyl
hydroperoxide/tetraethylenepentamin...
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
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 advances...
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