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POLYETHYLENE WITH BIMODAL MOLECULAR WEIGHT DISTRIBUTION FROM SUPPORTED METALLOCENE CATALYST VIA AMINO-FUNCTIONAL PERIODIC MESOPOROUS MATERIALS AS SUPPORTS
关键字：POLYETHYLENE,WITH,BIMODAL,MOLECULAR,WEIGHT,DISTRIBUTION,FROM,SUPPORTED,METALLOCENE,CATALYST,VIA,AMINO,FUNCTIONAL,PERIODIC,MESOPOROUS,MATERIALS,SUPPORTS,
Due to the critical problems of the homogeneous metallocene catalysts for the commercialapplications 1, such as difficulties in controlling polymer morphology, instabilities for slurry or gas phase processes and requirement of a large ...
http://www.polymer.cn/research/dis_info582 |
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祝贺学生论文Multiple Heterojunction System of Bi2MoO6/WO3/Ag3PO4 with Enhanced Visible-Light Photocatalytic Performance towards Dye Degradation被Advanced Powder Technology接受
祝贺学生论文Multiple Heterojunction System of Bi2MoO6/WO3/Ag3PO4 with Enhanced Visible-Light Photocatalytic Performance towards Dye Degradation被Advanced Powder Technology接受
http://www.polymer.cn/ss/liubaojiang/newsshow_6145.html |
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Enhanced Photocatalytic Degradation Performance of Organic Contaminants by Heterojunction Photocatalyst BiVO4/TiO2/RGO and its Compatibility on Four Different Tetracycline Antibiotics论文被 Advanced Powder Technology 接受
Enhanced Photocatalytic Degradation Performance of Organic Contaminants by Heterojunction Photocatalyst BiVO4/TiO2/RGO and its Compatibility on Four Different Tetracycline Antibiotics论文被 Advanced Powder Technology 接受
http://www.polymer.cn/ss/liubaojiang/newsshow_6110.html |
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Applied Surface Science:Constructing Multiple Interfaces in Polydimethylsiloxane/Multi-Walled Carbon Nanotubes Nanocomposites by the Incorporation of Cotton Fibers for High-Performance Electromagnetic Interference Shielding and Mechanical Enhancement
全文链接：https://www.sciencedirect.com/science/article/pii/S0169433218327788
http://www.polymer.cn/ss/ming/newsshow_5941.html |
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(29) 刘天西教授应邀参加"Nanopolymers 2008”国际会议并参观访问Polyamide High Performance GmbH公司。
刘天西教授应邀参加2008年10月7-8日在德国法兰克福举行的“Nanopolymers 2008”国际会议，并作题为“Nylon Composites Reinforced by Multi-Dimensional Nanofillers”的大会报告。在德期间刘教授还应邀参观访问了位于Obernburg工业中心的Polyamide High Performance GmbH，并与该公司技术研发部门的研究人员进行了学术交流活动。
http://www.polymer.cn/ss/liutianxi/newsshow_125.html |
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Synthesis of High-Performance Polymers via Copper-Catalyzed Amination of Dibromoarenes with Primary Aromatic Ether Diamines
关键字：poly(imino ether ketone)s, heat-resistant polymer, copper-catalysis, foam.
In this paper, we introduce three high-performance polymers with similar structures, poly(imino ether ketone) (PIEK)s, which are synthesized by the ligand free copper-catalyzed C-N cross coupling reaction of aryl halides and primary aromatic diamines at moderate temperature. The influence of the solvents, base, temperature, and catalyst ligands on the polycondensation reaction is investigated. T...
http://www.polymer.cn/research/sy_info19473 |
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High performance organic sensitizers based on 11,12-bis(hexyloxy) dibenzo[a,c]phenazine for dye-sensitized solar cells
关键字：organic sensitizers, dye-sensitized solar cells, 11,12-bis(hexyloxy) dibenzo[a,c]phenazine
Three new metal-free organic sensitizers containing 11,12-bis(hexyloxy) dibenzo[a,c]phenazine (BPz) units were synthesized and used for dye-sensitized solar cells (DSSCs). The broad absorption spectra indicate that the light harvesting abilities were enhanced by the introduction of the BPz unit in the p-conjugated space, which can also cause an anti-aggregation effect and the suppression of charge...
http://www.polymer.cn/research/sy_info17366 |
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A New Low-Bandgap Polymer Containing Benzene-Fused Quinoxaline: Significantly Enhanced Performance Caused by One Additional Benzene Ring
关键字：benzene-fused quinoxaline; low-bandgap; polymer solar cells
Two new alkoxy-substituted quinoxaline (Qx)-based copolymers, PBDTQx and PBDTPz, are
designed and synthesized. The only difference between these two polymers is that two methyl groups of the Qx are replaced by one additional fused benzene ring. The UV–Vis absorptions, thermal stability, energy levels, fi eld-effect carrier mobility, and photovoltaic characteristics of the two copolymers are sys...
http://www.polymer.cn/research/sy_info17335 |
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Using Two Simple Methods of Ar-ArF Self-Assembly and Isolation Chromophores to Further Improve the Comprehensive Performance of NLO Dendrimers**
关键字：isolation chromophores, click chemistry, dendrimers, nonlinear optics, self-assembly
Herein, through a combination of divergent and convergent approaches, coupled with the utilization of the powerful Sharpless “click chemistry” reaction, two series of high-generation nonlinear optical (NLO) dendrimers have been conveniently prepared in high purity and satisfactory yields. Perfluoroaromatic rings and isolation chromophores were intro...
http://www.polymer.cn/research/sy_info17327 |
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Attempt to Improve the Performance of Pyrrole-Containing Dyes in Dye Sensitized Solar Cells by Adjusting Isolation Groups
关键字：pyrrole, isolation group, “H” type dyes, organic sensitizer, dye-sensitized solar cell
Four new pyrrole-based organic sensitizers with different isolation groups were conveniently synthesized and applied to dye sensitized solar cells (DSCs). The introduction of isolation group in the side chain could both suppress the formation of dye aggregates and electron recombination. Especially, when two pieces of D-π-A chromophore moieties shared one isolation group to c...
http://www.polymer.cn/research/sy_info17326 |
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