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核壳结构磁性聚合物微球的可控制备
关键字:Magnetic polymer particle, Core-shell, Conversion 近年来,磁性聚合物微球因其特殊的性质、广泛的用途越来越受到人们的关注。磁性聚合物微球除了具有普通高分子微球的比表面积大,易于吸附等特性外,同时还具有超顺磁性,能在外界磁场作用下方便、快速地与介质分离,因而在在生物工程(固定化酶)、生物医学(靶向药物、酶标、临床诊断)、细胞学(细胞分离、细胞标记)等领域等诸多领域显示出广泛的应用前景。
http://www.polymer.cn/research/dis_info13349 |
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杂萘联苯高性能树脂及其应用研究进展
关键字:High performance polymer, Poly(aryl ether)s, Phthalazinone 含二氮杂萘酮联苯结构高性能工程塑料已成为高性能工程塑料最重要的新成员,因二氮杂萘酮联苯结构具有扭曲、非平面和稠环结构特点,使上述聚合物既耐高温又可溶解,加工方式多样,应用领域广泛。
http://www.polymer.cn/research/dis_info13336 |
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THE POTENTIAL FOR BLOOD VESSEL ENGINEERING OF PHSRN-MODIFIED POLYMER: HUVEC CELL AFFINITY EVALUATION AND INTEGRIN-MEDIATED MECHANISM STUDY
关键字:peptides, cell affinity, binding force, binding capacity, biomimetic material To investigate the role of the peptide PHSRN in cell adhesion, PHSRN-and GRGDS-containing polymers (P-PN5 and P-GS5, respectively) were synthesized by modification of poly (D, L-lactide-co-beta-malic acid) (PLMA) with the corresponding peptides,...
http://www.polymer.cn/research/dis_info13163 |
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THE SURFACE MODIFICATION OF NANO-SIZED POROUS MEMBRANE WITH CATECHOL CONJUGATED POLY (N-ISOPROPYL ACRYLAMIDE) FOR THERMAL RESPONSIVE DIFFUSION
关键字:poly (N-isopropylacrylamide), catechol, RAFT, thermal responsive polymer In this study, we prepared PNIPAam of Mw 12,000 by RAFT polymerization with narrow dispersity (PDI 1.09). The end functional group of the synthesized PNIPAam was conjugated to catechol and fluorescence dye, respectively. Not only&...
http://www.polymer.cn/research/dis_info13146 |
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A novel route to prepare pH- and temperature-sensitive Semi-IPN nanocomposite microgels
关键字:Microgels, Clay, Nanocomposite, pH- and temperature-sensitivity, Semi-Interpenetrating polymer networks (Semi-IPN) A novel method via a physical crosslinking process has been adopted to prepare pH- and temperaturesensitive semi-IPN nanocomposite microgels. First, PNIPA microgel was prepared via surfactant-free emulsion polymerization by using inorganic clay&...
http://www.polymer.cn/research/dis_info11785 |
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Self-assembly of PNIPAM/PAA IPN microgels in ice-crystal template to produce fibers
关键字:pH/temperature sensitive microgels,interpenetrating polymer network,ice-crystal template,poly(N-isopropylacrylamide),poly(acrylic acid) The microgels of interpenetrating polymer network (IPN) structure based on poly(N-isopropylacrylamide) (PNIPAM) network and poly(acrylic acid) (PAA) network (PNIPAM/PAA IPN microgels) were firstly synthesized by seed-emulsion polymerization, using redox i...
http://www.polymer.cn/research/dis_info11640 |
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Synthesis and properties of high temperature resistant copoly- (aryl ether ketone)s containing fluorophenyl group
关键字:Poly(aryl ether ketone),Fluoropolymer,High Temperature Resistant Polymer,Solubility A series of copoly(aryl ether ketone)s were derived from fluorinated bisphenol monomer(4–fluoro phenylhydroquinone),4,4′-diflourodiphenylketone and resorcin by nucleophilic aromatic substitution polycondensation. The polycondensation proceeded quantitatively in N, ...
http://www.polymer.cn/research/dis_info11587 |
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thermoplastic elastomer; liquid cooling garment; simulated skin; thermal manikin TLCP/PPS in-situ microfibrils blend fibre
关键字:polyphenylene sulphide (PPS),thermal liquid crystal polymer (TLCP),microfibrils,in-situ,nonisothermal crystallization The thermal liquid crystal polymer (TLCP) / Polyphenylene sulphide (PPS) in-situ microfibrils blend fibre was prepared by melt blending. The Non-isothermal crystallization kinetics of PPS/TLCP blend fibre was studied by differential scanning&nbs...
http://www.polymer.cn/research/dis_info11532 |
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Comb-Shaped Copolymers Composed of Hydroxypropyl Cellulose Backbones and Cationic Poly((2-dimethyl amino)ethyl methacrylate) Side Chains for Gene Delivery
关键字:P(DMAEMA) HPC Cationic Polymer ATRP Gene Delivery Successful gene therapy depends on the design of gene delivery vectors with low cytotoxicity and high transfection efficiency. In comparison with viral vectors, cationic polymers have been receiving considerable attention as the major ...
http://www.polymer.cn/research/dis_info10578 |
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Single molecule spectroscopy reveals dark, non-emissive regions in isolated conjugated polymer chains. Does energy-funneling concept really work?
关键字:non-emissive regions Conjugated polymers dispersed at a very low concentration in a non-fluorescent matrix (e.g. PMMA)can be studied at single chain level by single molecule spectroscopy (SMS) techniques. Theenergy-funneling concept is the paradigm in SMS ...
http://www.polymer.cn/research/dis_info8975 |
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