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·2410·                            精细化工   FINE CHEMICALS                                  第 36 卷

            械性能进行了测试,结果如表 5 所示。从表 5 可以看出,                          Sinica (化学学报), 2008, 66(22): 2569-2573.
                                                               [6]   Wang Chengyi (汪称意), Cao Shijie (曹世杰), Chen Wentao (陈文涛),
            CPI-1~CPI-4 薄膜的拉伸强度在 89.8~105.3 MPa,弹                  et al.  A  series  of  soluble  polyimides  containing  sulfone  and
            性模量在 1.3~1.7 GPa,断裂伸长率在 9.7%~18.4%。                    trifluoromethyl groups[J]. Journal of Changzhou University(Natural
                                                                   Science Edition) (常州大学学报:自然科学版), 2018, 30(4): 7-12.
            表明该系列 CPI 薄膜具有较好的力学性能。从表 5 还                       [7]   Wang C Y, Zhao X Y, Li G, et al. High optical transparency and low
            可以看出,随着含氟二胺单体用量的增加,薄膜拉                                 dielectric  constant  of  novel  soluble  polyimides  containing  fluorine
                                                                   and  trifluoromethyl  groups[J].  Colloid  and  Polymer  Science,  2011,
            伸强度与弹性模量有所下降。这是由于,大体积的
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            三氟甲基引入增大了分子链间的距离,降低了分子                             [8]   Tang  Yongmei  (唐咏梅),  Chen  Guofei  (陈国飞),  Zhong  Yingying
                                                                   (钟莺莺),  et al.  Synthesis  and  properties  of  cardo  semi-aromatic
            间作用力,但仍保持良好的力学性能。说明所制
                                                                   transparent  polyimides[J].  Engineering  Plastics  Application(工程塑
            CPI-1~CPI-4 薄膜具有稳定的机械性能。                               料应用), 2018, 46(3): 100-105.
                                                               [9]   Chen Ying (陈颖), Huang Jie (黄杰), Zhang Wenxiang (张文祥), et
                   表 5    CPI-1~CPI-4 薄膜的机械性能测试                    al.  Preparation  and  properties  of  novel  colorless  transparent
                                                                   polyimide  films[J].  Insulation  Materials(工程塑料应用),  2018,
             Table 5    Mechanical properties of CPI-1~CPI-4 films   51(8): 1-5.
                           Tensile    Elasticity   Elongation   [10]  Ju  C  H, Kim J C,  Chang  J  H. Synthesis and characterization of
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                          strength/MPa    modulus/GPa   at break/%   colorless  polyimide  nanocomposite  films[J].  Journal  of  Applied
                CPI-1       99.2        1.7         9.7            Polymer Science, 2007, 106(6): 4192-4201.
                                                               [11]  Jin H S, Chang J H. Colorless copolyimide films: Thermo-mechanical
                CPI-2      105.3        1.7        12.6
                                                                   properties, morphology, and optical transparency[J]. Polymer(Korea),
                CPI-3       94.9        1.5        18.4            2008, 32(3), 256-262.
                CPI-4       89.8        1.3        16.7        [12]  Zhang Ling (张玲), Xu Ying (徐瑛), Chen Yuhong (陈妤红), et al.
                                                                   Synthesis  and  properties  of  soluble  and  transparent  polyimide

                                                                   films[J]. Insulation Materials (绝缘材料), 2016, 49(4): 14-18.
            3   结论                                             [13]  Yan Shanyin (颜善银), Chen Wenqiu (陈文求), Yang Xiaojin (杨小进),
                                                                   et al.  Overview  on  the  soluble  and  transparent  polyimides[J].
                (1)以 TFMB、ODA 和 ODPA 为原料,经一步                       Synthetic  Technology  and  Application  (合成技术及应用),  2009,
                                                                   24(2): 19-25.
            法高温溶液缩聚,制得一系列含氟共聚型聚酰亚胺,                            [14]  Wang  C Y,  Cao S J,  Chen W T, et al.  Synthesis  and  properties  of
            红外与核磁分析确证所制备 CPI-1~CPI-4 结构正确。                         fluorinated  polyimides  with  multi-bulky  pendant  groups[J].  RSC
                                                                   Advances, 2017, 7: 26420-26427.
                (2)大自由体积的三氟甲基、柔性醚键和共聚                          [15]  Chen Wentao (陈文涛), Wang Chengyi (汪称意), Chen Yunyun (陈
            结构单元的同时引入,使得该系列聚酰亚胺展现出                                 云云), et al. Synthesis and characterization of poly( sulfone imide)s
                                                                   based on a fluorinated aromatic diamine[J]. Acta Polymerica Sinica
            了优良的溶解性和较高的光学透明性,同时还具有                                 (高分子学报), 2014,(2): 226-232.
            优异的热稳定性和较好的机械性能。CPI-1~CPI-4                        [16]  Wang Chengyi (汪称意), Zhang Huipeng (赵辉鹏), Li Guang (李光),
                                                                   et al.  Synthesis  and  characterization  of  fluorinated  polyimide  with
            的溶解性和透光性随氟结构单元含量的增加而进一                                 high solubility and optical transparency[J]. Acta Chimica Sinica (化学学
            步提高。其中,CPI-2 在室温即可溶于低沸点的                               报), 2010, 68(5): 449-452.
                                                               [17]  Huang X H, Huang W, Liu J Y, et al. Synthesis of highly soluble and
            CHCl 3 、THF 等有机溶剂中,500 nm 波长下透光率                       transparent  polyimides[J].  Polymer  International,  2012,  61(10):
            超过85%。CPI-1~CPI-4薄膜的热分解温度均在500  ℃                      1503-1509.
                                                               [18]  Lu Y H, Hu Z Z, Wang Y F, et al. Organosoluble and light-colored
            左右,800  ℃下的质量保持率均在 52%以上。优良
                                                                   fluorinated semialicyclic polyimide derived from 1, 2, 3, 4-cyclobuta
            的综合性能和相对便利的原料配方和制备方法,使得                                netetracarboxylic  dianhydride[J].  Journal  of  Applied  Polymer
                                                                   Science, 2012, 125(18): 1371-1376.
            该类 CPI 在高透明膜材料方面具有潜在的应用价值。
                                                               [19]  Liu Jingang (刘金刚), Zhang Xiumin (张秀敏), Kong Xiangfei (孔
                                                                   祥飞),  et al.  Preparation  and  characterization  of  colorless  high
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