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Various types of hydrogen bonds, their temperature dependence and water-polymer interaction in hydrated poly(acrylic acid) as revealed by H-1 solid-state NMR spectroscopy
Various types of hydrogen bonds, their temperature dependence and water-polymer interaction in hydrated poly(acrylic acid) (PAA) were systematically investigated using 1H CRAMPS solid-state NMR techniques in the temperature range from 25 to 110 °C. The 1H CRAMPS NMR methods are based on a recently developed continuous phase modulation technique for 1H-1H homonuclear dipolar decoupling. The 1H CRA...
http://www.polymer.cn//ss/sunpingchuan/publicationsshow_5154.html |
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Unimacromolucule exchange between bimodal micelles self-assembled by polystyrene-block-poly(acrylic acid) and polystyrene-block-poly(amino propylene-glycol methacrylate) in water
pubs.acs.org/doi/abs/10.1021/jp036355x
Unimacromolucule exchange between bimodal star micelles self-assembled by polystyrene-block-poly(acrylic acid) and polystyrene-block-poly(amino propylene-glycol methacrylate) in water has been studied by laser light scattering. Unimacromolucule exchange can take place in the mixture of the bimodal star micelle aqueous solution at 25 °C. Increasing temper...
http://www.polymer.cn//ss/zhangwangqing/publicationsshow_4065.html |
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Core-shell-corona micellar complexes between poly(ethylene glycol)-block-poly(4-vinyl pyridine) and polystyrene-block-poly(acrylic acid)
onlinelibrary.wiley.com/doi/10.1002/macp.200500368/abstract
The complexation between polystyrene-block-poly(acrylic acid) (PS-b-PAA) micelles and poly(ethylene glycol)-block-poly(4-vinyl pyridine) (PEG-b-P4VP) is studied and a facile strategy is proposed to prepare three-layered core–shell–corona micellar complexes. Micellization of PS-b-PAA in ethanol gives rise to spherical core&nda...
http://www.polymer.cn//ss/zhangwangqing/publicationsshow_4053.html |
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Double-responsive core-shell-corona micelles from self-assembly of diblock copolymer of poly(t-butyl acrylate-co-acrylic acid)-b-poly (N-isopropylacrylamide)
www.sciencedirect.com/science/article/pii/S0032386106005313
Self-assembly of poly(t-butyl acrylate-co-acrylic acid)-b-poly(N-isopropylacrylamide) [P(tBA-co-AA)-b-PNIPAM], which was obtained from part hydrolysis of PtBA-b-PNIPAM synthesized by sequential atom transfer radical polymerization (ATRP) was studied. Thermo- and pH-responsive core–shell–corona (CSC) micelles with different st...
http://www.polymer.cn//ss/zhangwangqing/publicationsshow_4048.html |
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Palladium-iminodiacetic acid immobilized on pH-responsive polymeric microspheres: Efficient quasi-homogeneous catalyst for Suzuki and Heck reactions in aqueous solution
onlinelibrary.wiley.com/doi/10.1002/adsc.200800304/abstract
The pH-responsive core-shell microspheres of poly(styrene-co-methylacrylic acid) (PS-co-PMAA) containing a polystyrene (PS) core and a poly(methylacrylic acid) (PMAA) shell are synthesized by one-stage soap-free copolymerization and the catalyst system palladium-iminodiacetic acid (IDA-Pd) is immobilized on the outer shell-layer of the c...
http://www.polymer.cn//ss/zhangwangqing/publicationsshow_4030.html |
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Synthesis of porous poly(styrene-co-acrylic acid) microspheres through one-step soap-free emulsion polymerization: Whys and wherefores
www.sciencedirect.com/science/article/pii/S0021979711013920
Synthesis of porous poly(styrene-co-acrylic acid) (PS-co-PAA) microspheres through one-step soap-free emulsion polymerization is reported. Various porous PS-co-PAA microspheres with the particle size ranging from 150 to 240 nm and with the pore size ranging from 4 to 25 nm are fabricated. The porous structure of the microspheres is confi...
http://www.polymer.cn//ss/zhangwangqing/publicationsshow_4013.html |
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Preparation and CO2 Sorption/Desorption of N-(3-Aminopropyl)Aminoethyl Tributylphosphonium Amino Acid Salt Ionic Liquids ([apaeP444][AA]) Supported into Porous Silica Particles.
To search for robust CO2 capture materials, several N-(3-aminopropyl)aminoethyl tributylphosphonium amino
acid salts ([apaeP444][AA])-type task specific ionic liquids (TSILs) were synthesized and immobilized into porous silica support
through a facile impregnation−vaporization method. The ILs and thus prepared sorbents, Sorb-AA, were well characterized, and
their CO2 sorption and desorpti...
http://www.polymer.cn//ss/wulinbo/publicationsshow_4002.html |
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Zhiping Fan, Yemin Zhang, Xinsong Li*,Bienzymatically Crosslinked Gelatin/Hyaluronic acid Interpenetrating Network Hydrogels：Preparation and Characterization, RSC Adv., 2015, 5, 1929–1936
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http://www.polymer.cn//ss/lixs/publicationsshow_3853.html |
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Synthesis of high molecular weight poly(L-lactic acid) via melt/solid state polycondensation. II. Effect of crystallization on solid state polycondensation
To enhance the reaction rate of solid state polycondensation (SSP) of poly(L-lactic acid) (PLLA) and thus to
prepare high molecular weight PLLA by SSP in a short time, the effects of precrystallization as well as SSP temperature (Ts) on
the SSP of PLLA were investigated. It was found that precrystallization at low Tc (70 °C) and then SSP at step-raised Ts could
greatly favor the growth of t...
http://www.polymer.cn//ss/wulinbo/publicationsshow_3820.html |
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Effect of Acrylic Acid and Hydroxyethyl Methacrylate Modified Nano-SiO2 Particles on Poly(Methyl methacrylate-HEMA) Soap-free Emulsion Polymerization
Nano-SiO2 powder was modified with acrylic acid (AA) and hydroxyethyl methacrylate (HEMA), respectively. The kinetics of the soap-free emulsion polymerization of methyl methacrylate (MMA) and HEMA in the presence of unmodified or modified nano-SiO2 particles was investigated. The structure of the nano-SiO2 particles and the Poly(MMA-HEMA) composite emulsion was characterized by Fourier transform i...
http://www.polymer.cn//ss/zhangfaai/publicationsshow_3729.html |
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