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Preparation of Monodisperse Hydrophilic Polymer Microspheres with N,N?-Methylenebisacrylamide as Crosslinker by Distillation Precipitation Polymerization
Highly crosslinked cauliflower-like poly(N,N-methylenebisacrylamide) particles were prepared by distillation precipitation polymerization in neat acetonitrile with 2,2-azobisisobutyronitrile as initiator. Monodisperse hydrophilic polymer microspheres with various functional groups, such as amide, pyrrolidone and carboxylic acid, with a spherical shape and smooth surface in the size range 120–60...
http://www.polymer.cnt//ss/yangxinlin/publicationsshow_6565.html |
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Synthesis of pH-sensitive Hollow Polymer Microspheres and Their Application as Drug Carriers
The pH-sensitive hollow poly(N,N0-methylene bisacrylamide-co-methacrylic acid) (P(MBAAm-co-MAA)) microspheres were prepared by a two-stage distillation precipitation polymerization to afford a core–shell poly(methacrylic acid)/poly(N,N0-methylene bisacrylamide-co-methacrylic acid) (PMAA/(P(MBAAm-co-MAA))) microsphere with subsequent removal of poly(methacrylic acid) (PMAA) core. PMAA/P(MBAAm-co-M...
http://www.polymer.cnt//ss/yangxinlin/publicationsshow_6535.html |
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Synthesis of pH-sensitive Polymer Hollow Microspheres with Movable Magnetic Core
The pH-sensitive hollow poly(N,N0-methylenebisacrylamide-co-methacrylic acid) (P(MBAAm-co-MAA)) microspheres with movable magnetic/silica (Fe3O4/SiO2) cores were prepared by the selective removal of poly(methacrylic acid) (PMAA) layer in ethanol/water from the corresponding Fe3O4/SiO2/PMAA/P(MBAAm-co-MAA) tetra-layer microspheres, which were synthesized by the distillation precipitation copolymeri...
http://www.polymer.cnt//ss/yangxinlin/publicationsshow_6534.html |
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Monodisperse Temperature-responsive Hollow Polymer Microspheres: Synthesis, Characterization and Application
Temperature-responsive hollow poly(N-isopropylacrylamide) (PNIPAAm) microspheres were prepared by a two-stage distillation precipitation polymerization to afford a core–shell microspheres with subsequent removal of poly(methacrylic acid) (PMAA) core. PMAA@PNIPAAm core–shell microspheres were synthesized by the second-stage polymerization of NIPAAm in the presence of PMAA as core with N,N0-
methy...
http://www.polymer.cnt//ss/yangxinlin/publicationsshow_6530.html |
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Exfoliated Graphite Oxide Decorated by PDMAEMA Chains and Polymer Particles
Exfoliated graphite oxide (GO) sheets with hydroxyl groups and amine groups on the surface were prepared by modification of graphite. Atom transfer radical polymerization (ATRP) initiator molecules were grafted onto the GO sheets by reactions of 2-bromo-2-methylpropionyl bromide with hydroxyl groups and amine groups. Poly-(2-(dimethylamino)ethyl methacrylate) (PDMAEMA) chains on the surface of GO ...
http://www.polymer.cnt//ss/yangxinlin/publicationsshow_6521.html |
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Polyethyleneimine functionalized polymer microsphere: A novel delivery vector for cells
Monodisperse poly(ethylene glycol dimethacrylate-co-methacrylic acid) (P(EGDMA-co-MAA)) microspheres with two different diameters (69 and 160 nm) were facilely synthesized via distillation precipitation polymerization in neat acetonitrile, and these microspheres interacted with the amino groups of polyethyleneimine (PEI) chains though hydrogen-bonding as well as electrostatic interactions to form ...
http://www.polymer.cnt//ss/yangxinlin/publicationsshow_6510.html |
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Synthesis of Hollow Polymer Microspheres with Gold Nanoparticle-functionalized Movable Core
Hollow poly(ethyleneglycol dimethacrylate) (PEGDMA) microspheres with Au nanoparticle
functionalized movable cores were prepared by selective removal of the sandwiched silica mid-layer from the corresponding poly(ethyleneglycol dimethacrylate-co-methacrylic acid)/poly(ethyleneglycol dimethacrylate-co-vinylpyridine)@gold/silica/PEGDMA (P(EGDMA-co-MAA)/P(EGDMA-co-VPy)@Au/SiO2/PEGDMA) tetra-layer com...
http://www.polymer.cnt//ss/yangxinlin/publicationsshow_6506.html |
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[ACS Appl. Mater & Interf.] Hydroxylation of Organic Polymer Surface: Method and Application
It may be hardly believable that inert C–H bonds on a polymeric material surface could be quickly and efficiently transformed into C–OH by a simple and mild way. Thanks to the approaches developed recently, it is now possible to transform surface H atoms of a polymeric substrate into monolayer OH groups by a simple/mild photochemical reaction. Herein the method and application of this small-mo...
http://www.polymer.cnt//ss/yangpeng/publicationsshow_6483.html |
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Porogen on the Rosin-Based Porous Polymer Microspheres and Adsorptions for Phenol Solution
The porous polymer microspheres with rosin
moiety were prepared by suspension polymerization, using an ester (RH) of rosin
and 2-hydroxyethyl methacrylate, along with styrene (St) as
monomers, divinylbenzene (DVB) as cross-linking agent, gelatin as the
dispersing agent, and azodiisobutyronitrile (AIBN) as initiator. The
effects of types and levels of porogen on the porous microsphere w...
http://www.polymer.cnt//ss/zhangfaai/publicationsshow_6381.html |
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Preparation of Polymer Microspheres with a Rosin Moiety from Rosin Ester, Styrene, and Divinylbenzene
Rosin
was reacted with hydroxyethyl methacrylate to produce a macromonomer. This macromonomer
was used to replace styrene partly for the novel preparation of polymer
microspheres with divinylbenzene via suspension polymerization. Orthogonal experiments were conducted to analyze the
factors influencing the particle size, particle size distribution, swelling
ratio, and degree of crosslinking of the ...
http://www.polymer.cnt//ss/zhangfaai/publicationsshow_6376.html |
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