最新刊期
      卷 5 ， 期 2 ， 1992
      • Yue Sun,Zhengpu Zhang,Binglin He
        Vol. 5, Issue 2, Pages: 67-76(1992) DOI: 10.14028/j.cnki.1003-3726.1992.02.002
        摘要：The recent development of polymer-supported asymmetric organic synthesis including polymer-supported catalysts, substrates and reagents was reviewed, especially the examples where the enantiomeric excesses are high and essentially the same as those obtained in low molecular weight systems.  
        关键词：Asymmetric organic synthesis;Polymer-supported catalysts/substrates/reagents   
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        发布时间：2022-09-18
      • Fumian Li
        Vol. 5, Issue 2, Pages: 77-84,92(1992) DOI: 10.14028/j.cnki.1003-3726.1992.02.004
        摘要：Since the simple preparative and separative method for C-60 and C—70 in macroscopic quantities was developed by Kratschmer and Huffman, the charaterization for fullerenes, especialy for C-60, has been demonstrated exhaustively. Great interest in chemical modification for fullerenes has also been grown explosively, even though it started much later. In this article, the chemical modification of fuller enes focusing on the chemical reaction of the outer casing was reviewed.  
        关键词：Fullerenes;Chemical modification;C-60   
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        发布时间：2022-09-18
      • Yongming Hu,Huiming Wang,Xiaosu Yi
        Vol. 5, Issue 2, Pages: 85-92(1992) DOI: 10.14028/j.cnki.1003-3726.1992.02.005
        摘要：The concept of the molecular self-reinforced materials was put iorward in this paper. Some self-reinforced technique such as superdrawing, solid hydrostatic extrusion, gel-spinning, melt injection and extrusion are introduced, and the factors which have important influence on the final products are discussed. The structural changes during the whole process are also described in detail.  
        关键词：Self-Reinforcement;HDPE;Material Preparation   
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        发布时间：2022-09-18
      • Haiping Hong,Shuqin Zhou,Xiangfeng Jin
        Vol. 5, Issue 2, Pages: 93-97,104(1992) DOI: 10.14028/j.cnki.1003-3726.1992.02.006
        摘要：Polyphenylacetylene is a Semiconducting Polymer. In this paper, we discuss the synthesis, chemical structure and carrier transport properties of polyphenylacetylene and its derivation.  
        关键词：Conducting polymer;Polyphenylacetylene   
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        发布时间：2022-09-18
      • Zhishen Mo
        Vol. 5, Issue 2, Pages: 98-104(1992) DOI: 10.14028/j.cnki.1003-3726.1992.02.007
        摘要：This paper describes the concept of the degree of crystallinity in Polymers and the definitions of terms relating to degree of crystallinity, which are recommended by IUPAC. The degree of crystallinity can be determined by several experimental techniques: among the most commonly used(1) X-ray diffraction. (2) calorimetry (3) density measurements, and (4) infra-red spectroscopy (IR) ,the first one is mainly discussed.A review with 36 references on these field is given as well.  
        关键词：Crystalline Polymers;Degree of crystallinity;X-ray diffraction;Calorimetry;Density measurement;Infra-red spectroscopy;Review   
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        发布时间：2022-09-18
      • Zhihong Lin,Xi Zhang,Xinyi Tang,Jiacong Shen
        Vol. 5, Issue 2, Pages: 105-110(1992) DOI: 10.14028/j.cnki.1003-3726.1992.02.008
        摘要：A review on polymeric LB films, detailed in two methods which form LB films. ( 1)Orientation of the monomers at air/water interface with subsequent polymerization. ( 2) Orientation of amphiphilic polymer at air/water interface and introduce some other methods to form polymeric LB films.  
        关键词：polymeric LB films;amphiphiles   
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        发布时间：2022-09-18
      • Hongjian Ji,Wanxi Zhang,Zhenyuan Pan,Jitai Che
        Vol. 5, Issue 2, Pages: 111-115,126(1992) DOI: 10.14028/j.cnki.1003-3726.1992.02.009
        摘要：The recent progress in super absorbent resin has been reviewed. The content includes: (1)the preparation of super absorbent resin; (2) structure and property characterization of super absorbent resin; (3)the application fields of super absorbent resin.  
        关键词：Super absorbent resin;Graft copolymer;Water absorption   
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        发布时间：2022-09-18
      • Kangde Yao,Shan Sun,Tao Peng
        Vol. 5, Issue 2, Pages: 116-122(1992) DOI: 10.14028/j.cnki.1003-3726.1992.02.010
        摘要：The paper deals with progress in intelligent drug delivery system based on stimuli responsive polymers. The autofed back mechanism of systems and on-off characteristics of drug release are discussed as well.  
        关键词：Intelligent polymer;Stimulus response;Drug delivery system   
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        发布时间：2022-09-18
      • Jinfeng Chen,Yihong Chen,Yuanze Xu
        Vol. 5, Issue 2, Pages: 123-126(1992) DOI: 10.14028/j.cnki.1003-3726.1992.02.011
        摘要：The structural rheology of dilute polymer solutions has been developed successfuly. It is worth of produceing a package of program for calculating the material functions of rheological models on microcomputer. In the present work, the eigenvalues and material functions for Rouse-Zimm model have been calculated. We can use package to study the relationship between the structural parameters and rheological property.  
        关键词：Structural rheology of dilute solutions;Eigenvalue and material functions;Program package of microcomputer   
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        发布时间：2022-09-18
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