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性。然而,可以用它們所合成的聚酯制作X光基片。在同樣反應(yīng)條件下,鈦酸乙二醇酯對(duì)縮聚反應(yīng)具有很大的催化活性,(特性粘度是指,當(dāng)高聚物溶液的濃度較稀時(shí),其相對(duì)粘度的對(duì)數(shù)值與高聚物溶液質(zhì)量濃度的比值[13])。[17]5 發(fā)展趨勢(shì)我國(guó)聚酯工業(yè)起步較晚但發(fā)展迅速,生產(chǎn)能力高于聚酯需求的增長(zhǎng)速度,以致聚酯產(chǎn)品出現(xiàn)過剩,裝置利用率逐漸下降,這就要求科研工作者不斷開發(fā)新的高效的聚酯生產(chǎn)方法,提高聚酯產(chǎn)品的質(zhì)量。廣大催化劑研究工作者應(yīng)積極開發(fā)、研制、應(yīng)用新型催化劑,以實(shí)現(xiàn)聚酯生產(chǎn)的高效化和綠色化。[18]關(guān)磊等人研究了PET和聚酰胺(PA)共混體系的相容性。張黎英研究了絕緣膜用PET的合成工藝,討論了高絕緣無機(jī)填料、功能型合成組分等對(duì)產(chǎn)品性能的影響。[21]參考文獻(xiàn)[1][J].塑料,2011,40(3):9093.[2]張丹,姚潔,王越,[J].現(xiàn)代化工,2006,26:8083.[3]盧江,[M].北京: 化學(xué)工業(yè)出版社,2005.[4] Du Zhiping, Yao Jie, Wang Gongying. Transesterification of ethylene carbonate and dimethyl terephthalate over various catalysts[J]. Chinese Journal of Catalysis,2005,26(8) :637 638.[5]高俊剛,[M].北京: 化學(xué)工業(yè)出版社,2004.[6][J].河北紡織,2011,3:42.[7]肖海燕,趙炯心,吳承訓(xùn),[J].合成纖維工業(yè),1999,22(5):3437.[8]楊海華,馬敬紅,[J].高分子材料科學(xué)與工程,2002,18(3):4448.[9] W right J. Thermal degradation of polymers[ J]. Soc Chem Ind, 1961, 13 (3): 248249.[10] Teck Cominco Metals Ltd. A multiponent catalyst system for the polycondensation manufacture of polyesters: AU, 2003286061[ P].2004 06 18.[11] Chen X N, Ruckenstein E. Thermally reversible linking of halidecontaining polymers by potassium dicyclopentadienedicarboxylate[J ]. J Polym Sci PartA:PolymChem, 1999,37(23) :4390 4401.[12] Ruckenstein E, Chen X N. Crosslinking of chlorinecontainingpolymers by dicyclopentadiene dicarboxylic salts[J ]. J Polym Sci Part A:Polym Chem,2000,38(5) :818 825.[13]胡群華,周鴻穎,邱高,[J].高分子材料科學(xué)與工程,2007,23(3):7784.[14]孔凡濤,楊景輝,李福清,[J]. 合成纖維工業(yè),2011,34(4):1316.[15] Wedle M. Inorganic highlyefficient Ti catalyst for todays and future challenges in PETManufacturing [J ]. Chemical Fibers International , 2002,52(6) :400 402.[16] Seidel U, Ecker T. New highly active PET catalyst mercially available on production scale[J ]. Chemical Fibers International , 1996,49(3) :27 29.[17]陳克權(quán),周芳,[J].合成纖維工業(yè),2000, 23(5) :1316.[18]來可華,陳鷹,肖海燕,[J].合成纖維,2010,2:15.[19]關(guān)磊,李桂娟,程桂茹,[J]. 塑料工業(yè),2011,39(7):3134.[20][J].聚酯工業(yè),2010,23(1):2628.[21]陳旭,宋歌,戴鈞明,[J]. 合成纖維工業(yè),2010,33(3):1921