1) Melt transesterification process
熔融酯交换缩聚工艺
2) Non-phosgone transesteri fication process
非光气酯交换缩聚工艺
3) 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。
4) Melting state transesterification reaction
熔融酯交换反应
5) 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。
6) melt polycondensation
熔融缩聚
1.
Direct synthesis of ploy(L-lactic acid) by melt polycondensation;
熔融缩聚合成聚L-乳酸的研究
2.
Chemical reaction kinetics of melt polycondensation of lactic acid under microwave irradiation;
微波辐射乳酸熔融缩聚反应动力学
3.
Engineering analysis of viscosity increasing process of polyester melt polycondensation;
聚酯熔融缩聚增黏过程的工程分析
补充资料：一步法界面缩聚工艺
分子式：
CAS号：
性质：双酚A钠盐在光气化的同时伴有缩聚反应，且几乎在光气化结束的同时完成整个缩聚反应的工艺。具有反应速度极快(可由几小时缩短至几分钟)和原材料消耗低的特点。产品质量与二步法界面缩聚工艺完全相同。是一种很有发展前途的新工艺。二步界面缩聚法正在向一步界面缩聚法方向发展。
CAS号：
性质：双酚A钠盐在光气化的同时伴有缩聚反应，且几乎在光气化结束的同时完成整个缩聚反应的工艺。具有反应速度极快(可由几小时缩短至几分钟)和原材料消耗低的特点。产品质量与二步法界面缩聚工艺完全相同。是一种很有发展前途的新工艺。二步界面缩聚法正在向一步界面缩聚法方向发展。
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