1) melted state transesterification
熔融酯交换法
1.
By melted state transesterification reaction,two series of liquid crystalline copolyesters were synthesized and identified by introducing two mesogenic monomers into the chain of polybutylene-succinate(PBS).
通过熔融酯交换法 ,以液晶基元为聚丁二酸丁二醇酯 (PBS)的共聚组分 ,合成了两个系列的液晶共聚酯。
2) melting transesterification
熔融酯交换
1.
In this paper,Bis(p-hydroxybenzoic acid)butanediolate which is a kind of mesogenic unit was synthesized by melting transesterification using methyl-p-hydroxybenzoate,1,4-butanediol,and Tetra-n-butyl titanate as catalyst.
以对羟基苯甲酸甲酯、1,4-丁二醇为原料,钛酸四正丁酯为催化剂,通过熔融酯交换反应,合成液晶基元双(对羟基苯甲酸)丁二醇酯。
2.
Segmented copolyesters involving poly (butylene terephthalate) (PBT) and ternary amorphous random copolyester-poly (ethylene terephthalate-co-isophthalate-co-sebacate) ( PETIS) by means of melting transesterification under vacuum condition were prepared.
采用熔融酯交换法制备了以聚对苯二甲酸丁二醇酯(PBT)为硬段,对苯二甲酸乙二醇酯、间苯二甲酸乙二醇酯和癸二酸乙二醇酯的无规共聚酯(PETIS)为软段的共聚酯,考察了共聚酯熔融结晶行为、拉伸性能和流变性能。
3) Melting state transesterification reaction
熔融酯交换反应
4) melt transesterification kinetics
熔融酯交换动力学
5) Melt transesterification process
熔融酯交换缩聚工艺
6) melt esterification
熔融酯化法
1.
The long chain alkyl methacrylate was synthesized by an im proved melt esterification method.
用改进的熔融酯化法制备了甲基丙烯酸十六酯。
补充资料：非光气酯交换法聚碳酸酯
分子式：
CAS号：
性质：合成不使用光气的聚碳酸酯树脂。是发展中的新产品。以碳酸二甲酯为原料制成碳酸二苯酯后，再与双酚A反应制得。与传统产品相比，质量有明显提高。分子量1.7万至3.0万，光学性能、流动性、色相等均大为改善。可用作光盘基材和透明板材。
CAS号：
性质：合成不使用光气的聚碳酸酯树脂。是发展中的新产品。以碳酸二甲酯为原料制成碳酸二苯酯后，再与双酚A反应制得。与传统产品相比，质量有明显提高。分子量1.7万至3.0万，光学性能、流动性、色相等均大为改善。可用作光盘基材和透明板材。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条