热塑性聚氨酯.docxVIP

热塑性聚氨酯

目录

一、概述....................................................3

1.热塑性聚氨酯定义......................................3

2.发展历程及现状........................................4

3.应用领域..............................................5

二、热塑性聚氨酯基本性质....................................6

1.物理性质..............................................7

2.化学性质..............................................7

2.1结构特点...........................................8

2.2稳定性.............................................9

三、热塑性聚氨酯的制备工艺.................................10

1.原材料准备...........................................11

1.1聚氨酯预聚体......................................12

1.2添加剂............................................13

1.3其他原料..........................................14

2.制备过程.............................................16

2.1熔融混合..........................................17

2.2加工成型..........................................18

2.3后处理............................................19

3.生产工艺控制.........................................21

3.1温度控制..........................................22

3.2压力控制..........................................23

3.3配方优化..........................................25

四、热塑性聚氨酯的性能特点.................................26

1.力学性能.............................................27

2.热学性能.............................................28

2.1耐热性............................................29

2.2耐寒性............................................30

2.3热塑性............................................31

3.耐化学药品性.........................................31

4.加工性能.............................................32

五、热塑性聚氨酯的应用实例.................................33

1.汽车工业应用.........................................34

1.1汽车零部件制造....................................35

1.2汽车内饰材料......................................36

2.建筑业应用...........................................37

2.1建筑保温材料...........................