最新刊期
      卷 0 ， 期 0 ， 2020
      • Wenwei Zhao,Jun Xu,Jiazhen Sun
        Vol. 5, Issue 3, Pages: 129-137(1992) DOI: 10.14028/j.cnki.1003-3726.1992.03.001
        摘要：The present paper deals with recent progress in radiation effects of polymer blends both in China and abroad. The content includes the suitabillity of the application of crosslinking theory to polymer blend systems; the effects of miscibility and morphology of blend systems on radiation effects and also the protection and sensitizing effects between component in polymer blends.  
        关键词：Polymer blend;radiation effects;radiation crosslinking and degradation;miscibility;morphology   
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        发布时间：2022-09-18
      • Jiangqing Pan
        Vol. 5, Issue 3, Pages: 138-146(1992) DOI: 10.14028/j.cnki.1003-3726.1992.03.002
        摘要：The structure, synthesis, effectiveness and stabilizing mechanism of Hindered Amine Light Stabilizer have been reviewed with more than 60-Literatures; The future of HALS has also been described. This review is usetul for research and production of polymer industry, synthesis of additives and studying degradation and stabilization of polymers.  
        关键词：Hindered Amine;Light stabilizer;Piperidine;Degradation;Stabilization of polymers   
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        发布时间：2022-09-18
      • Xingui Li,Meirong Huang
        Vol. 5, Issue 3, Pages: 147-155(1992) DOI: 10.14028/j.cnki.1003-3726.1992.03.003
        摘要：This review article presents the important recent advances in blends containing thermotropic liquid crystalline polyesters(TLCP)and in composites of TLCP with carbon fiber(CF)and glass fiber(GF)respectively. The intrinsic relationships between thermal behavior and miscibility, rheological behaviour and processability, morphological structure and several properties are revealed. The blends and composites useful in fibers and plastics with high strength and modulus, optical fiber coatings with low thermal expansion coefficient, and packaging films with low gas permeability are also forecast.  
        关键词：Thermotropic Liquid Crystalline Polyester;Blend;Composite   
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        发布时间：2022-09-18
      • Jiawei Chen
        Vol. 5, Issue 3, Pages: 156-169(1992) DOI: 10.14028/j.cnki.1003-3726.1992.03.004
        摘要：This paper reviews polymeric reagents made of IER. Most of Polymeric reagents which are used IER as raw materials are perferable to SBER. There contain oxidizing agents, reducing agents, nucieophilic reagents (which contain more than twenty kinds of them) and halogenation agents. There are about forty kinds of polymeric reagents made of SBER in all. Those reagents made of SAER are a few. WAER is just beginning. WBER is equal to zero.  
        关键词：Ion exchange resin;Polymer-supported ionic reagents;Sold phase synthesis;Strongly basic anion reagents;Perfluorinated ion-exchange polymeric reagents   
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        发布时间：2022-09-18
      • Jingshu Shen,Songlin Liu
        Vol. 5, Issue 3, Pages: 170-176,137(1992) DOI: 10.14028/j.cnki.1003-3726.1992.03.006
        摘要：In this paper a general review on the progress of radiation crosslinking, chemical crosslinking and two-step crosslinking by moisture for polypropylene has been given. In particular, for the two-step crosslinking the effects of various factors on gel amount and crosslinking efficiency have been discussed.  
        关键词：Polypropylene;radiation crosslinking;chemical crosslinking;two-step crosslinking by moisture   
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        发布时间：2022-09-18
      • Zhenhua Jiang,Donghui Zhao,Xinyi Tang
        Vol. 5, Issue 3, Pages: 177-183(1992) DOI: 10.14028/j.cnki.1003-3726.1992.03.007
        摘要：Shielding EMI Materials are indispensable to modern electronic industry, in particular polymer composites for shielding EMI have been shell materials of most information technology equipments, which are important to develop electronic industry. In this paper, the properties, and development of polymer composites for shielding EMI have been reviewed.  
        关键词：Electromagnetic interference (EMI);Electromagnetic shielding material;Electrically conductive coatings;Electrically conducive polymer composites   
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        发布时间：2022-09-18
      • Yuping Zhu
        Vol. 5, Issue 3, Pages: 184-189,183(1992) DOI: 10.14028/j.cnki.1003-3726.1992.03.008
        摘要：Most of the parameters, such as electron density fluctuation, the group velocity of longitudinal phonons and the isothermal compressibility etc. which are related to the disorder and/or thermal motion in the polymer materials, can be obtained from the thermal diffuse scattering. The theory and application of the thermal diffuse scattering are introduced and described detailly in this review.  
        关键词：words Thermal diffuse scattering;Thermal motion;Fluctuation of the electron density;Group velocity of longitudinal phonons   
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        发布时间：2022-09-18
      • Zuren Pan
        Vol. 5, Issue 3, Pages: 190-192,146(1992) DOI: 10.14028/j.cnki.1003-3726.1992.03.009
        摘要：In the past decade the lower concentration of free radical in the polymerization systems may be measured precisely by ESR and other methods. Thus, a new diagram relating four measurable variables (Pp, n, τ,〔M•〕) and kinetic parameters (kp, kt,kd) is extended and developed from Hiemenz's three-parameter diagram.  
        关键词：Free-radical polymerization;Kinetic parameters;life-time of free radical   
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        发布时间：2022-09-18
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