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Wang R.Y.,Shanghai University of Electric Power | Chen X.D.,Shanghai Sunny New Technology Development Co. | Xu Q.J.,Shanghai University of Electric Power
Advanced Materials Research | Year: 2014

This paper introduces the characteristics and application of polybutylene terephthalate, and then focus on the researches to remove its disadvantages. On this basis, we discuss the influence of different modification methods on the properties of polybutylene terephthalate, and the prospect of the modification has been described as well. © (2014) Trans Tech Publications, Switzerland. Source


Fu J.-H.,Shanghai University of Electric Power | Chen X.-D.,Shanghai University of Electric Power | Chen X.-D.,Shanghai Sunny New Technology Development Co. | Xu Q.-J.,Shanghai University of Electric Power | And 2 more authors.
Polymer Composites | Year: 2016

In this article, the Surlyn® 8920 and AX 8900 were mixed as hybrid nucleating agents for glass fiber (GF)-reinforced polyethylene terephthalate (PET)/polybutylene terephthalate (PBT) alloy. The crystallization behaviors on GF-reinforced PET/PBT alloy with compound nucleating agents of Surlyn® 8920 and AX 8900 were studied by differential scanning calorimeter. The Jeziorny method, Mo method, and Kissinger method were used for studying the non-isothermal crystallization process of the composite alloys. While single AX 8900 cannot further improve the crystallization properties of the alloy and reduced the crystallization rate, the introduction of Surlyn® 8920 can effectively ameliorate the condition. The results demonstrated the hybrid nucleating agents of Surlyn® 8920 and AX 8900 not only can accelerate crystal growth, but also can significantly reduce the energy barrier, and it has a good effect in the alloy to the nucleation. © 2014 Society of Plastics Engineers. Source


Trademark
Shanghai Sunny; New Technology Development Corporation | Date: 2009-02-03

unprocessed polyethylene plastics in the form of granules or powder.


Li W.,University of Wollongong | Qiao X.,Shanghai JiaoTong University | Lu X.,Shanghai JiaoTong University | Chen J.,University of Wollongong | And 5 more authors.
Smart Materials and Structures | Year: 2012

Novel isotropic and anisotropic thermoplastic magnetorheological elastomers (MRE) were prepared by melt blending titanated coupling agent modified carbonyl iron (CI) particles with poly(styrene-b-ethylene-ethylene-propylene-b-styrene) (SEEPS) matrix in the absence and presence of a magnetic field, and the microstructure and magnetorheological properties of these SEEPS-based MRE were investigated in detail. The particle surface modification improves the dispersion of the particles in the matrix and remarkably softens the CI/SEEPS composites, thus significantly enhancing the MR effect and improving the processability of these SEEPS-based MRE. A microstructural model was proposed to describe the interfacial compatibility mechanism that occurred in the CI/SEEPS composites after titanate coupling agent modification, and validity of this model was also demonstrated through adsorption tests of unmodified and surface-modified CI particles. © 2012 IOP Publishing Ltd. Source


Qiao X.,Shanghai JiaoTong University | Lu X.,Shanghai JiaoTong University | Gong X.,Anhui University of Science and Technology | Yang T.,Shanghai Sunny New Technology Development Co. | And 2 more authors.
Polymer Testing | Year: 2015

Isotropic and anisotropic thermoplastic magnetorheological elastomer (MRE) composites were prepared by melt blending carbonyl iron (CI) particles with poly(styrene-b-ethylene-co-butylene-b-styrene) (SEBS) matrix in the absence and presence of a magnetic field. Effects of CI concentration and processing conditions on the microstructure, thermal stability, mechanical properties, viscoelastic properties and magnetorheological properties of these MRE composites based on SEBS were investigated. Adding magnetic CI particles significantly improves the thermal stability and mechanical strength of SEBS matrix, but does not sacrifice the elasticity and toughness. The CI/SEBS composites, prepared with greater CI concentration at higher temperature, longer time and stronger magnetic field for pre-structuring, exhibit higher field induced modulus change and greater magnetorheological effect, due to the strengthening of mutual particle interactions and the formation of longer and more ordered chain structures. © 2015 Elsevier Ltd. All rights reserved. Source

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