以α,ω-二氨基n烷及二苯醚3,3',4,4'-四甲酸二酐为单体,在NMP中及室温下进行缩聚,然后在160 ℃进行溶液热亚胺化6 h得到聚酰亚胺.所得到的聚酰亚胺不能溶于有机溶剂.聚酰亚胺的玻璃化转变温度随结构中-(CH2)n-基团长度的增加而线性下降.这一系列聚酰亚胺具有较高的热稳定性,热降解起始温度在500 ℃左右.
参考文献
[1] | Sroog C E .[J].Journal of Polymer Science,Macromolecular Reviews,1976,11:161. |
[2] | Mittal K L.Polyimides: Synthesis, Characterization and Applications, Plenum[M].New York,1984 |
[3] | Koning C;Teuwen L;Meijer E W et al.[J].Polymer,1994,35:4889. |
[4] | Jr Marek M;Labsky' J;Schneider B et al.[J].European Polymer Journal,1991,27:487. |
[5] | Jr Marek M;Doskocˇilova' D;Schmidt P et al.[J].Polymer,1994,35:4881. |
[6] | Volksen W;Cha H J;Sanchez M I et al.[J].Reactive and Functional Polymers,1996,30:61. |
[7] | Kreuz JA.;Renner CA.;Goff DL.;Hsiao BS. .CRYSTALLINE HOMOPOLYIMIDES AND COPOLYIMIDES DERIVED FROM 3,3',4,4'-BIPHENYLTETRACARBOXYLIC DIANHYDRIDE 1,3-BIS(4-AMINOPHENOXY)BENZENE 1,12-DODECANEDIAMINE .1. MATERIALS, PREPARATION, AND CHARACTERIZATION[J].Macromolecules,1995(20):6926-6930. |
[8] | Ando S.[J].Proc China-Japan Sem Adv Arom Polym,1996:1. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%