最新刊期
      卷 4 ， 期 2 ， 1991
      • Renyuan Qian
        Vol. 4, Issue 2, Pages: 65-71(1991) DOI: 10.14028/j.cnki.1003-3726.1991.02.001
        摘要：A review discussion of the facts and factors to be considered in the molecular design of conducting polymers is presented. Topics discussed are: molecular properties and solid state properties; towards high conductivity-conjugation length and chain orientation; counter ions and ion exchange; materials design-solubilization, processability and molecular composites.  
        关键词：conduting polymers;Molecular design;material design   
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        发布时间：2022-09-18
      • Quangying Yu
        Vol. 4, Issue 2, Pages: 72-75,128(1991) DOI: 10.14028/j.cnki.1003-3726.1991.02.002
        摘要：This paper introduce the history and status of the research and development of the Jute Plastics Composites. Using Jute fiber products as reiniorcements for the thermosetting and thermoplastic plastics to produce low cost and light weight composite materials has been succeed and the future development is very attractive.  
        关键词：Jute fiber;Reinforcement;Plastic;Composite   
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        发布时间：2022-09-18
      • Xianke Ye,kai Zhang
        Vol. 4, Issue 2, Pages: 76-80(1991) DOI: 10.14028/j.cnki.1003-3726.1991.02.003
        摘要：This paper gives an introduction and characteristics of cold plasma, and discusses the principles of CASING (Cross-linked by Active Species of Inert Gases), reactive plasma treatment, and polymeric plasma treatment respectively. The physical changes caused by plasma treatment is discussed.  
        关键词：Plasma;glow discharge;corona;free ridical   
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        发布时间：2022-09-18
      • Minyuan Chen
        Vol. 4, Issue 2, Pages: 81-89(1991) DOI: 10.14028/j.cnki.1003-3726.1991.02.004
        摘要：The paper presents developments of method and application of electrolytic synthesis of conductive high polymer  
        关键词：Development;Electrolytic synthesis;Conductive high polymer   
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        发布时间：2022-09-18
      • Baozhu An
        Vol. 4, Issue 2, Pages: 90-99(1991) DOI: 10.14028/j.cnki.1003-3726.1991.02.006
        摘要：The three-dimensional symmetry of a macromolecular chain was characterized by the line group. Regularities of packing of macromolecular chains in a space group were shown.That is in a space group the symmetries of a macromolecular chain have to correspond with the symmetries of the position occupied by the chain. Order-disorder transitions in polymer crystals were studied by means of line groups.  
        关键词：Line group;Symmetry;Polymer;Crystal structure;Space group;Order-disorder transitions   
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        发布时间：2022-09-18
      • Yonghua Zhang,Wengong Zhang
        Vol. 4, Issue 2, Pages: 100-107(1991) DOI: 10.14028/j.cnki.1003-3726.1991.02.007
        摘要：Preparation of organo-aluminium polymers from aluminium alkoxides and the types of organo-alum inium polymers are reviewed. Their major applications are also summarized.  
        关键词：Aluminium alkoxides;Organo-aluminium polymers   
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        发布时间：2022-09-18
      • Baoxian Zheng
        Vol. 4, Issue 2, Pages: 108-112(1991) DOI: 10.14028/j.cnki.1003-3726.1991.02.009
        摘要：In this paper, the ion exchange equilibria of binary system and poly basic system are discussed in a systematic way. The ion exchange reaction is the hetrogeneous reaction, and therefore the ion activity coefficients in solid-phase are the key to the question for solving the equilibrium problems of ion exchange reaction.  
        关键词：Activity quotient;Equilibrium quotient;Excess function   
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        发布时间：2022-09-18
      • Deqian Yu,Daiqing Wang,Jinduo Wang
        Vol. 4, Issue 2, Pages: 113-120(1991) DOI: 10.14028/j.cnki.1003-3726.1991.02.010
        摘要：This paper briefly describes tge fact the fact that the plastics will become the main industry materials in forthcoming century, presents the product kind, output and production capacity of the plastics industry in chief countries from the eighties to the end of this century, analyses the situation of supply and demand in the World plastics market in the nineties, and centrally expounds the contradictions between supply and demand in the China plastics market, then forecasts the toral demand quantity in the year 2000, thus puts the key problems which should be followed with interest in future development of the plastics industry, finally discusses the development trend of several major products from the world plastics industry and the focal point of development of some crucial technologies.  
        关键词：Industry material;Kind;Supply;Demand   
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