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zhouxu1986铁虫 (正式写手)
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【求助】合成聚乳酸的催化剂 已有3人参与
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亲爱的朋友： 您好！ 我在查阅文献[P]US5444143，该专利里提到碱催化可制备聚乳酸，请问碱催化制备聚乳酸的文章引自哪篇文章。因时间紧张，特此向求助，不胜感激。 谢谢！ 专利题目：Preparation Process Of Polyhydroxycarboxylic Acid 专利发明人：Masahiro Ohta；Shoji Obuchi；Yasunori Yoshida，all of Fukuoka，Japan 申请人：Mitsui Toatsu Chemicals，Inc. 原文： Exemplary catalysts which can be used include zinc, tin, aluminum, magnesium and other metals; tin oxide, antimony oxide, zinc oxide,aluminum oxide, magnesium oxide,titanium oxide and other metal oxides; zinc chloride, stannous chloride, stannic chloride, stannous bromide,stannic bromide, antimony fluoride, magnesium chloride, aluminum chloride and other metal halogenide; sodium hydroxide, pottasium hydroxide, calcium hydroxide, ,,,,,,,,,, |
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zhouxu1986
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2楼2010-04-08 15:06:47
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3楼2010-04-08 16:50:58
soochow
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zhouxu1986(金币+5): 2010-04-15 10:10
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仅供参考 （1）CaH2作为催化剂。“Synthesis, Characterization, and Hydrolytic Degradation of PLA/PEO/PLA Triblock Copolymers with Short Poly(L-lactic acid) Chains”. Macromolecules 1996, 29, 50-56. （2）CaH2作为催化剂。“Synthesis, Characterization, and Hydrolytic Degradation of PLA/PEO/PLA Triblock Copolymers with Long Poly(L-lactic acid) Blocks。Macromolecules 1996, 29, 57-62 （3）甲醇钾作为催化剂。Polymerization of L-dilactide and L,D-dilactide in the presence of potassium methoxide。Mukromol. Chem. 192, 2051-2057 (1991) |
4楼2010-04-08 18:50:16
