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- The results revealed that the components with bicyclic ortho ester had expansibility in the ring opening polymerization by initiation of cationic compounds. 对膨胀聚合反应研究发现,带有膨胀基团双环原酸酯的材料在阳离子引发剂存在下开环时具有膨胀特性。
- Some novel bioelastomers, especially degradable bioelastomer, including network polyester, polyhydroxyalkanoate, poly (ether ester), polypetide, poly (ortho ester) and hydrogel, were reviewed. 摘要综述了网络型聚酯、聚羟基烷基酸酯、聚醚酯、聚肽、聚原酸酯和水凝胶等新型生物弹性体的研究进展。
- A new kind of bicyclic ortho ester,4-( hydroxymethyl)-2.6,7- trioxabicyclo[2.2.2] octane was synthesized by the reaction between trimthyl orthoformate and pentaerythritol without catalyst. 由原甲酸三乙酯与季戊四醇为原料制备了一种双环原酸酯4-羟甲基-2,6,7-三氧杂二环(2,2,2)烷,并提供了一条简单可行的合成途径。
- A new kind of bicyclic ortho ester,4-(hydroxymethyl)-2.6,7-trioxabicyclo[2.2.2]octane was synthesized by the reaction between trimthyl orthoformate and pentaerythritol without catalyst. 由原甲酸三乙酯与季戊四醇为原料制备了一种双环原酸酯4-羟甲基-2,6,7-三氧杂二环(2,2,2)辛烷,并提供了一条简单可行的合成途径。
- Some novel bioelastomers,especially degradable bioelastomer,including network polyester,polyhydroxyalkanoate,poly(ether ester),poly-petide,poly(ortho ester)and hydrogel,were reviewed. 综述了网络型聚酯、聚羟基烷基酸酯、聚醚酯、聚肽、聚原酸酯和水凝胶等新型生物弹性体的研究进展。
- Keywords bicyclic ortho ester;expanding monomer;expansion polymerization; 双环原酸酯;膨胀单体;膨胀聚合反应;
- Keywords bicyclic ortho ester;transesterification;expansion monomer;expansion polymerization; 双环原酸酯;酯交换反映;膨胀单体;膨胀聚合反应;
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- ortho ester 原酸酯
- A natural or synthetic ester of glycerol and fatty acids. 甘油酯以甘油和脂肪酸天然存在的或合成的酯
- A salt or an ester of lactic acid. 乳酸盐或乳酸酯
- A salt or an ester of titanic acid. 钛酸盐钛酸的盐或酯
- A salt or ester of hypochlorous acid. 次碳酸盐一种次碳酸的盐或酯
- Phosphoric acid produced by the wet process is in the ortho form. 用湿法生产的磷酸呈正磷酸状态。
- Ester asked for time to think all this over . 埃斯特拉要求给她时间好好想一想。
- Ester asked for time to think all this over. 埃斯特拉要求给她时间好好想一想。
- A salt or an ester of malic acid. 一苹果酸的盐或酯
- A salt or an ester of oxalic acid. 草酸盐草酸的盐或酯
- A salt or ester of arsenic acid. 砷酸盐,砷酸酯
- A salt or an ester of pantothenic acid. 泛酸盐,泛酸脂泛酸的盐或脂