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Synthesis and Characterization of novel biodegradable block copolymer poly(ehylene glycol)-block-poly(L-lactide-co-2-mthyl-2- carboxyl-propylene carbonate).
[Abstract]: An amphiphilic block copolymer, poly(ethylene glycol)-block-poly(L-lactideco-2-methyl-2-benzoxycarbonyl-propylene carbonate) [PEG-b-P(LA-co-MBC)], was synthesized in bulk by the ring-opening polymerization of L-lactide with 2-methyl-2-benzoxycarbonyl-propylene carbonate (MBC) in the presence of poly(ethylene glycol) as a macroinitiator with diethyl zinc as a catalyst. The subseque...
http://www.polymer.cnt//ss/pbzhang/publicationsshow_7398.html |
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Poly(trimethylene terephthalate)/Poly(butylenes succinate) Blend: Phase Behavior and Mechanical Property Control Using Its Transesterification System as the Compatibilizer
Materials Chemistry & Physics 2014, 148(3), 554-561
ABSTRACT:
Poly(trimethylene terephthalate)/poly(butylenes succinate) (PTT/PBS) blends and their ester-exchanged system were prepared by melt mixing for the phase behavior and the viscoelasticity studies. A typical two-phase structure can be seen on the blends because two polymers are immiscible thermodynamically. The phase inve...
http://www.polymer.cnt//ss/wudefeng/publicationsshow_7312.html |
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RGD-conjugated copolymer incorporated into composite of poly(lactide-co-glycotide) and poly(l-lactide)-grafted nanohydroxyapatite for bone tissue engineering. Biomacromolecules 2011, 12 (7): 2667–2680
http://pubs.acs.org/doi/abs/10.1021/bm2004725
http://www.polymer.cnt//ss/pbzhang/publicationsshow_7044.html |
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29. Synthesis and Evaluation of a Star Amphiphilic Block Copolymer from Poly(ε-caprolactone) and Poly(ethylene oxide) as Load and Release Carriers for Guest Molecules
JOURNAL OF APPLIED POLYMER SCIENCE, 2010, 118(3),1372-1379.
http://www.polymer.cnt//ss/ghjiang_cn/publicationsshow_6240.html |
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Synthesis and characterization of pH-sensitive poly(N-2-hydroxyethyl acrylamide)- acrylic acid (poly(HEAA/AA)) nanogels with antifouling protection for controlled-release
Major challenges in the development of effective stimuli-responsive nanogels as targeted drugand gene delivery carriers are to improve biocompatibility, stability, and controlled release during systemic circulation. In this work, biofunctional nanogels based on copolymers of poly(N-2-hydroxyethyl acrylamide) (polyHEAA) and acrylic acid (AA) with controlled size and morphol...
http://www.polymer.cnt//ss/qiangchen/publicationsshow_6110.html |
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Mesh-Like Vesicles Formed From Blends of Poly(4-vinyl pyridine)-b-polystyrene-b-poly(4-vinyl pyridine) Block Copolymers via Gradual Blending Method
In this study, we developed a novel blending strategy, namely, the gradual blending method, to tune the micellar structure. Different from the most commonly used premixing blending method, which different block copolymers are premixed in a common solvent before their individual self-assembly, the gradual blending method involves gradually adding one type of block copolymer into the pre-ge...
http://www.polymer.cnt//ss/zhuyutian/publicationsshow_5302.html |
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Galactose-Decorated Crosslinked Biodegradable Poly(Ethylene Glycol)-b-Poly(ε-Caprolactone) Block Copolymer Micelles for Enhanced Hepatoma-Targeting Delivery of Paclitaxel
The inferior in vivo stability of micellar drugs has been a prime challenge for their application in targeted drug delivery. Here we report on novel galactose-decorated covalently cross-linked biodegradable micelles based on photo-cross-linkable poly(ethylene glycol)-b-poly(acryloyl carbonate)-b-poly(ε-caprolactone) (PEG-PAC-PCL) and galactose-conjugated PEG-PCL (Gal-PEG-PCL) copolymers fo...
http://www.polymer.cnt//ss/zhongzhiyuan/publicationsshow_4781.html |
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Miktoarm star polymers with poly(N-isopropylacrylamide) or poly(oligo(ethylene glycol) methacrylate) as building blocks: synthesis and comparison of thermally-responsive behaviors
We synthesized two thermally-responsive miktoarm star polymers in which poly(Nisopropylacrylamide) (PNIPAM) or poly(oligo(ethylene glycol) methacrylate) (POEGMA) served as the thermosensitive building blocks. Firstly, linear methoxypolyethylene glycol (PEG) with β-cyclodextrin (β-CD) bearing about six chlorines as a terminal (PEG-CD-Clx, x z 6) was synthesized. Then, the thermally-respon...
http://www.polymer.cnt//ss/fanxd/publicationsshow_4311.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.cnt//ss/zhangwangqing/publicationsshow_4065.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.cnt//ss/zhangwangqing/publicationsshow_4048.html |
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