论文总字数：18069字

摘 要

本课题的主要研究内容是透明聚酰胺材料及其制备方法，以己二胺，癸二酸，三甲基己二胺，对环己烷二甲酸等为原料，采用熔融共聚法制备了含有侧基以及脂环的透明聚酰胺，并利用设备研究其热性能、凝聚态结构以及光学性能，表征出其原料配比对这些性能的影响。

通过查阅文献，设计配方以及合成路线，制成薄膜，利用光学雾度仪表征其透明度及其雾度；利用乌氏黏度计测出其黏度，进而可以大体测出其分子量随单体百分数变化的规律；运用DSC测出其玻璃化温度和粘流温度。结果表明：随着透明聚酰胺大分子中侧基以及脂环的增加，玻璃化温度升高，分子内氢键作用减弱，结晶度降低，透明度上升，产物分子量与透明聚酰胺大分子中侧基以及脂环的增加没有关系，产物分子量较低。

关键词：熔融共聚；透明聚酰胺；热性能；凝聚态结构；光学性能；分子量

Study on Properties of Transparent Polyamide and Its Preparation

Abstract

The main contents of this subject is transparent polyamide material and the method to transparent copolyamide was synthesized through the process of melt copolycondensation by hexamethylenediamine, decanedioic acid, 2,2,4-trimethylhexamethylenediamine, and 1,4-cyclohexanedimethanoic acid, etc. Thermal properties, congregated structures and optical properties were discussed.Over literature,we can design formulations and synthesis route,and then make it film.Use the Optical Haze Meter to show its transparency and haze.;use the Ubbelohde viscometer to measure its viscosity to roughly show the law that molecular weigh and the percentage change in monomer;use DSC to measure its glass transition temperature and viscous flow temperature.The result showed that with the increase of pendant group and alicyclic constituent, the glass transition temperature of transparent copolyamide was increased, the interaction of hydrogen-bond was decreased, the ability of crystallization was decreased, and the ability of transmitting was increased.

Key Words: Melt copolycondensation; Transparent polyamide;Thermal properties; Congregated structures; Optical properties; Molecular Weight

目录

摘要......................................................I

ABSTRACT...............................................II

第一章 前言...............................................1

1.1聚酰胺概述....................................... ............1

1.2透明聚酰胺...................................... .............1

1.2.1 透明聚酰胺概述..........................................1

1.2.2 透明聚酰胺分类..........................................2

1.3透明聚酰胺制备方法.............................. .............3

1.3.1影响聚酰胺透明性的因素.................... ..............3

1.3.2 透明聚酰胺的主要制备方法................................3

1.4透明聚酰胺研究进展........................... ................4

1.5本课题的主要研究内容....................................... ..7第二章 实验部分...........................................8

2.1 主要原料......................................................8

2.2 主要仪器............................................... ......8

2.3 聚酰胺-610/TC的制备................................... .......9

2.3.1 酰胺-610盐的制备...................................... .9

2.3.2 1,4-环己烷二甲酰三甲基己二胺盐（酰胺-TC盐）制备.........9

2.3.3 聚酰胺-610/TC预聚合反应... ............................10

2.3.4 后聚合反应.............................................11

2.4 性能测试.....................................................11

2.4.1 聚酰胺-610/TC薄膜的制备. ..............................11

2.4.2 差示扫描量热（DSC）测试................................11

2.4.3 傅里叶红外（FT-IR）光谱分析............................11

2.4.4 透光性能测试...........................................12

2.4.5 XRD测试................................................12

2.4.6 分子量的测定...........................................12

第三章 结果与讨论....................................... .13

3.1 酰胺-TC盐含量对聚酰胺-610/TC热性能的影响....................13

3.2 不同酰胺-TC盐含量共聚酰胺-610/TC红外吸收曲线................16

3.3 结晶度对共聚酰胺-610/TC光学性能的影响....................... 17

3.4 不同酰胺-TC盐含量共聚酰胺-610/TC产品XRD曲线................18

3.5不同酰胺-TC盐含量共聚酰胺-610/TC产品分子量...................19

第四章 结论.............................................. 20

参考文献...................................................... ...21致谢........................................................... ...23

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