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Probing chain interpenetration in polymer glasses by H-1 dipolar filter solid-state NMR under fast magic angle spinning
Chain interpenetration in polymer glasses was investigated by a new strategy combining preparation of an isotopically enriched polymer blend with analysis by 1H dipolar filtered solid-state NMR under fast magic angle spinning (MAS). The fast MAS at 25 kHz induces crucial changes in spin dynamics and selectively isolates the proton signal of hydrogenous PS chains in which protons are sufficiently...
http://www.polymer.cn//ss/wxlthefirst/publicationsshow_2084.html |
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Characterization of polymer compatibility by H-1 dipolar filter solid-state NMR under fast magic angle spinning.
Polymer compatibility was investigated by a new strategy reported in our recent communication combining preparation of an isotopically enriched polymer blend with analysis by dipolar filter 1H solid-state NMR under fast magic angle spinning (MAS). Technical details concerning the optimization of the experimental conditions of this method were first discussed. The intimate segment mixing and interc...
http://www.polymer.cn//ss/wxlthefirst/publicationsshow_2083.html |
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Fluorescent conjugated polymer molecular wire chemosensors for transition metal ion recognition and signaling
Conjugated polymer molecular wires have advantages over small molecules for sensing applications due to enhancements associated with electronic communication along the polymer backbone. The majority of examples from the literature focus on fluorescence “turn-off” as the mechanism of sensor response. The energy transfer mechanism involved in these polymers focuses on energy transfe...
http://www.polymer.cn//ss/fanlijuan/publicationsshow_2077.html |
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Polymer 2009: Synthesis and self-assembly of amphiphilic poly(acrylic acid-b-DL-lactide) to form micelles for pH-responsive drug delivery
An amphiphilic diblock copolymer of poly(acrylic acid-b-DL-lactide) (PAAc-b-PDLLA) was synthesized by ring-opening polymerization Of X-lactide initiated by hydroxyl-terminated polyacrylic acid (PAAc-OH). The critical micelle concentration (CMC) of PAAc-b-PDLLA in aqueous solution, determined by fluorescence spectroscopy using pyrene as a probe, was found about 80 mg L-1. A solution of PAAc-b-PDLLA...
http://www.polymer.cn//ss/huangshiwen/publicationsshow_2017.html |
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Synthesis and Optical Properties of Novel Conjugated Rigid-Rod Polymer Derived from Fluorene and Benzobisoxazole
A kind of new conjugated rigid-rod polymer poly(9,9-dioctyl fluorenol benzobisoxazole) (PBOF) containing an fluorene and benzobisoxazole structure was prepared by the 4,6-diamino-1,3-benzenediol dihydrochloride (DAR) and 9,9-dioctyl
fluorene. The polymer was characterized by the elemental analysis, 1HNMR, FTIR, thermogravimetric analysis (TGA) and photoluminescence (PL) spectra. The results indic...
http://www.polymer.cn//ss/liuxiaoyun/publicationsshow_1960.html |
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Multifunctioning pH-responsive nanoparticles from hierarchical self-assembly of polymer brush for cancer chemotherapy,
Drug delivery
http://www.polymer.cn//ss/shenyq/publicationsshow_1877.html |
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Study on the chemical modification of epoxy/anhydride thermosets using a hydroxyl terminated hyperbranched polymer.
Mixtures of diglycidylether of bisphenol A (DGEBA) resin and commercially available hyperbranched polyester (HBP) Boltorn H30 were cured by anhydride to covalently bond the hydroxyl end groups in HBP with the epoxy resin. The curing mixtures were investigated by Differential Scanning Calorimetr), (DSC) to study the curing evolution and to evaluate the kinetic parameters. DSC studies suggested that...
http://www.polymer.cn//ss/yuyingfeng/publicationsshow_1828.html |
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Optical Determination of Supericritical CO2-Induced Polymer Swelling and Interrelated Thermodynamiv Property Modeling
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http://www.polymer.cn//ss/caoguiping/publicationsshow_1693.html |
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Application of a New Lattice-Fluid Equation of State based on Chemical-Association Theory for Polymer Systems
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http://www.polymer.cn//ss/caoguiping/publicationsshow_1684.html |
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Dynamic mechanical, mechanical and morphological properties of reactive thermotropic liquid crystalline polymer/unsaturated polyester/glass fiber hybrid composites
Plastics, Rubber and Composites，2008，37（5-6）：198－203
http://www.polymer.cn//ss/weichun/publicationsshow_1618.html |
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