Macromolecular Rapid Communications
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Controlled/Living Radical Polymerization of Methacrylic Monomers in the Presence of Lewis Acids: Influence on Tacticity
Macromolecular Rapid Communications - Tập 25 Số 3 - Trang 486-492 - 2004
AbstractSummary: Atom transfer radical polymerization (ATRP) and reversible
addition‐fragmentation transfer (RAFT) polymerization of N‐methyl methacrylamide
and methyl methacrylate were investigated in the presence of rare‐earth
triflates known to enhance polymer isotacticity. Poly(N‐methyl methacrylamide)
with controlled molecular weight, low polydispersity, and enhanced isotacticity
was prepared...
Synthesis of Polymer Brushes Using Atom Transfer Radical Polymerization
Macromolecular Rapid Communications - Tập 24 Số 18 - Trang 1043-1059 - 2003
AbstractAtom transfer radical polymerization (ATRP) is a robust method for the
preparation of well‐defined (co)polymers. This process has also enabled the
preparation of a wide range of polymer brushes where (co)polymers are covalently
attached to either curved or flat surfaces. In this review, the general
methodology for the synthesis of polymer brushes from flat surfaces, polymers
and colloids i...
Rigid Crosslinked Polyacrylamide Monoliths with Well‐Defined Macropores Synthesized by Living Polymerization
Macromolecular Rapid Communications - Tập 30 Số 12 - Trang 986-990 - 2009
AbstractRigid crosslinked polyacrylamide monoliths with well‐defined macropores
have been successfully fabricated by organotellurium‐mediated living radical
polymerization (TERP) accompanied by spinodal decomposition. The TERP forms
homogeneous networks derived from N,N‐methylenebis(acrylamide) (BIS), in which
spinodal decomposition is induced to form macropores. Macropore diameter can be
controll...
High‐Output Polymer Screening: Exploiting Combinatorial Chemistry and Data Mining Tools in Catalyst and Polymer Development
Macromolecular Rapid Communications - Tập 24 Số 1 - Trang 47-62 - 2003
AbstractHigh‐output polymer screening (HOPS) combines automated polymerization
with online reaction monitoring, rapid polymer characterization and novel
fingerprint technology useful in polymer preparation as well as polymer
processing and polymer additive development. Originally, HOPS was introduced to
develop polymerization catalysts and polyolefin materials more effectively. In
comparison to co...
Polyurethane Networks Nanoreinforced by Polyhedral Oligomeric Silsesquioxane
Macromolecular Rapid Communications - Tập 26 Số 3 - Trang 196-200 - 2005
AbstractSummary: Octaaminophenyl polyhedral oligomeric silsesquioxane (OapPOSS)
was used as a crosslinking agent together with
4,4′‐methylenebis‐(2‐chloroaniline) to prepare polyurethane networks containing
POSS. Fourier transform infrared spectroscopy (FT‐IR), dynamic mechanical
analysis (DMA) and thermogravimetric analysis (TGA) were employed to
characterize the POSS‐reinforced polyurethane. The...
A Nanocage for Nanomedicine: Polyhedral Oligomeric Silsesquioxane (POSS)
Macromolecular Rapid Communications - Tập 32 Số 14 - Trang 1032-1046 - 2011
AbstractGround‐breaking advances in nanomedicine (defined as the application of
nanotechnology in medicine) have proposed novel therapeutics and diagnostics,
which can potentially revolutionize current medical practice. Polyhedral
oligomeric silsesquioxane (POSS) with a distinctive nanocage structure
consisting of an inner inorganic framework of silicon and oxygen atoms, and an
outer shell of orga...
The Self‐Assembled Structure of the Diblock Copolymer PCL‐b‐P4VP Transforms Upon Competitive Interactions with Octaphenol Polyhedral Oligomeric Silsesquioxane
Macromolecular Rapid Communications - Tập 30 Số 24 - Trang 2121-2127 - 2009
AbstractThis paper describes the miscibility and self‐assembly, mediated by
hydrogen‐bonding interactions, of new block copolymer/nanoparticle blends. The
morphologies adopted by the immiscible poly[(ε‐caprolactone)‐block‐(4‐vinyl
pyridine)] (PCL‐b‐P4VP) diblock copolymer changes upon increasing the number of
competitive hydrogen‐bonding interactions after adding increasing amounts of
octaphenol p...
Well‐defined Biobased Segmented Polyureas Synthesis via a TBD‐catalyzed Isocyanate‐free Route
Macromolecular Rapid Communications - Tập 32 Số 17 - Trang 1379-1385 - 2011
AbstractVia an isocyanate‐free route, a series of segmented polyureas (PUs) were
synthesized from (potentially) renewable resources. To the best of our
knowledge, the present work shows for the first time that the organic superbase
guanidine 1,5,7‐triazabicyclododecene (TBD) which was originally developed as a
catalyst for the ring‐opening polymerization of lactones, lactides or cyclic
carbonates,...
t‐Butyl‐Oxycarbonylated Diamines as Building Blocks for Isocyanate‐Free Polyurethane/Urea Dispersions and Coatings
Macromolecular Rapid Communications - Tập 39 Số 9 - 2018
Abstractt‐Butyl‐oxycarbonylated diamines (“di‐Boc‐carbamates”) are investigated
as dicarbamate monomers for diamine/dicarbamate polymerizations. Polyureas (PUs)
and polyurethanes (PURs) with high molecular weights are prepared from
stoichiometric polymerizations of diamines or diols with
N‐N′‐di‐t‐butyl‐oxycarbonyl isophorone diamine (DiBoc‐IPDC) using KOt‐Bu as a
catalyst, while gelation is obser...
A phase polymorphism NSAdI in liquid‐crystalline polymethacrylates with 4′‐trifluoromethoxyazobenzene mesogenic side groups
Macromolecular Rapid Communications - Tập 16 Số 3 - Trang 161-167 - 1995
AbstractThe mesophase behaviour of liquid‐crystalline polymethacrylates with
4′‐trifluoromethoxyazobenzene mesogens and alkylene spacers
\documentclass{article}\pagestyle{empty}\begin{document}$ \left( {\rlap{--}
({\rm CH}_{\rm 2} \rlap{--} )_n ,n = 2 - 6} \right) $\end{document} in the side
chains was investigated and compared with that of the corresponding
non‐fluorinated polymers. The fluorinat...
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