A5058058472- Synthesis and properties of polymers
- Epoxy Resin Curing Processes
- Silicone and Siloxane Chemistry
- Polymer Nanocomposites and Properties
- biodegradable polymer synthesis and properties
- Polymer composites and self-healing
- Advanced Polymer Synthesis and Characterization
- Polymer crystallization and properties
- Injection Molding Process and Properties
- Synthetic Organic Chemistry Methods
- Photopolymerization techniques and applications
- Hydrogels: synthesis, properties, applications
- Carbon dioxide utilization in catalysis
- Marine Biology and Environmental Chemistry
- Polymer Surface Interaction Studies
- Advanced Sensor and Energy Harvesting Materials
- Advanced ceramic materials synthesis
- Polyoxometalates: Synthesis and Applications
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Mesoporous Materials and Catalysis
- Photochromic and Fluorescence Chemistry
- Synthesis and characterization of novel inorganic/organometallic compounds
- Fiber-reinforced polymer composites
- Flame retardant materials and properties
Shanghai Jiao Tong University
2016-2025
State Key Laboratory of Metal Matrix Composites
2014-2016
Metal Matrix Cast Composites (United States)
2014-2016
Fudan University
2006
Shanghai University of Engineering Science
2005
University of Science and Technology of China
1994-2003
Hong Kong University of Science and Technology
1998-2003
University of Hong Kong
1998-2003
Institut für das Bauen mit Kunststoffen
2000
Monash University
1992
Epoxy was modified by an incompletely condensed polyhedral oligomeric silsesquioxane (POSS), and the phenyltrisilanol POSS [Ph7Si7O9(OH)3, POSS-triol] incorporated into epoxy networks with content of up to 30 wt %. The organic−inorganic hybrid composites were prepared via in situ polymerization monomers presence POSS-triol, which started from homogeneous solutions POSS-triol monomers. nanocomposites can be metal complex, aluminum triacetylacetonate ([Al]) being used as catalyst for reaction...
Abstract Summary: Octaaminophenyl polyhedral oligomeric silsesquioxane (OapPOSS) was used as a crosslinking agent together with 4,4 ′ ‐methylenebis‐(2‐chloroaniline) to prepare polyurethane networks containing POSS. Fourier transform infrared spectroscopy (FT‐IR), dynamic mechanical analysis (DMA) and thermogravimetric (TGA) were employed characterize the POSS‐reinforced polyurethane. The POSS‐containing PU displayed enhanced glass transition temperatures ( T g s) storage moduli of glassy...
The amphiphilic triblock copolymer poly(ε-caprolactone)-b-polybutadiene-b-poly(ε-caprolactone) (PCL−PB−PCL) was synthesized via the ring-opening polymerization of ε-caprolactone in presence a hydroxyl-terminated polybutadiene (HTPB), which catalyzed by stannous octanoate [Sn(Oct)2]. further used to prepare nanostructured epoxy thermosets. situ monomers PCL−PB−PCL started from homogeneous solutions composed block and at temperature above upper critical solution (UCST) diglycidyl ether...
A polystyrene-b-poly(ethylene oxide) (PS-b-PEO) diblock copolymer was synthesized via the atom transfer radical polymerization (ATRP) of styrene with mono-2-bromoisobutyryl-terminated PEO [PEO−OOCCBr(CH3)2] as a macroinitiator, and mediated by copper(I) bromide (CuBr) 2,2‘-bipyridine (BPY). The PS-b-PEO used to incorporate into epoxy resin afford nanostructured thermosets. Both atomic force microscopy (AFM) small-angle X-ray scattering (SAXS) showed that long-range ordered nanostructures...
Templated synthesis of poly(cyclotriphosphaze-co-4,4′-sulfonyldiphenol) nanotubes (see figure) via a one-pot approach was achieved by the in situ formation triethylammonium chloride nanocrystals during polymerization. The templates can eventually be removed washing with water. dimensions controlled modification experimental conditions. Supporting information for this article is available on WWW under http://www.wiley-vch.de/contents/jc_2089/2006/c0562_s.pdf or from author. Please note:...
Nanocomposites of epoxy with Fe3O4 featuring dynamic disulfide bonds were fabricated. To facilitate the dispersion nanoparticles, we synthesized poly(ε-caprolactone)-grafted which then incorporated into to generate robust interfacial interactions between and inorganic nanoparticles. Through this approach, a fine nanoparticles in matrix was successfully obtained. The incorporation resulted being effectively toughened; critical stress field intensity factor (KIC) enhanced twice as control...
Reaction-induced microphase separation in epoxy thermosets containing an amphiphilic diblock copolymer was investigated this work. To end, the poly(ε-caprolactone)-block-poly(n-butyl acrylate) (PCL-b-PBA) synthesized via combination of ring-opening polymerization (ROP) and atom transfer radical (ATRP). The block incorporated into thermosets. Before curing reaction all subchains were miscible with precursors resin. After curing, only PBA blocks separated out whereas PCL remained Such a...
The block copolymers, poly(ε-caprolactone)-block-polystyrene (PCL-b-PS) with the linear and star-shaped topological structures were synthesized via combination of ring-opening polymerization (ROP) atom transfer radical (ATRP). two copolymers identical compositions incorporated into epoxy to access nanostructured thermosets. microphase-separated morphologies in systems investigated by means atomic force microscopy (AFM) small-angle X-ray scattering (SAXS). It is identified that thermosets can...
Polydimethylsiloxane-block-poly(ε-caprolactone)-block-polystyrene ABC-type triblock copolymer (PDMS-b-PCL-b-PS) was synthesized via the sequential ring-opening polymerization and atom transfer radical polymerization. The ABC incorporated into epoxy to prepare nanostructured thermosets. In terms of difference in miscibility with subchains after before curing reaction, it is proposed that formation nanostructures follows combined mechanisms self-assembly reaction-induced microphase separation....
In this contribution, we reported the synthesis of organic–inorganic polyurethanes with polyhedral oligomeric silsesquioxane (POSS) in main chains. Toward end, 3,13-dihydroxypropyloctaphenyl double-decker (DDSQ) was synthesized; POSS diol used as a chain extender to obtain hybrid DDSQ By controlling molar ratio 1,4-butanediol (BDO), were obtained content up 48 wt%. The results 1H nuclear magnetic resonance spectroscopy (NMR) and gel permeation chromatography (GPC) showed that...
We report an investigation of the influence block copolymer architectures on formation nanophases in epoxy thermosets via reaction-induced microphase separation approach. Toward this end, three binary copolymers composed polystyrene (PS) and poly(ε-caprolactone) (PCL) were synthesized combination ring-opening polymerization (ROP) atomic transfer radical (ATRP). These possess PS-b-PCL diblock, PS-b-PCL-b-PS triblock, PCL-b-PS-b-PCL triblock architectures; they carefully controlled to have...
Abstract Octa(propylglycidyl ether) polyhedral oligomeric silsesquioxane (OpePOSS) was used to prepare the polybenzoxazine (PBA‐a) nanocomposites containing (POSS). The crosslinking reactions involved with formation of organic–inorganic networks can be divided into two types: (1) ring‐opening polymerization benzoxazine and (2) subsequent reaction between in situ formed phenolic hydroxyls PBA‐a epoxide groups OpePOSS. morphology investigated by means scanning electron microscopy, transmission...
A novel photosensitive octacinnamamidophenyl polyhedral oligomeric silsesquioxane (OcapPOSS) was synthesized via the reaction between cinnamoyl chloride and octaaminophenyl (OapPOSS). The OapPOSS characterized by Fourier transform infrared (FTIR), nuclear magnetic resonance (NMR), ultraviolet (UV)-visible spectroscopy. full miscibility of OcapPOSS with polymer poly(vinyl cinnamate) (PVCIN) allows one to prepare PVCIN−OcapPOSS hybrid nanocomposites. By initiating in situ UV photocrosslinking...