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·1542·                            精细化工   FINE CHEMICALS                                  第 36 卷

            层结构,随 HA 添加量达到最优值,分子链在空间                           [7]   Lu Jianhua (卢建华), Fu Dan (傅丹). Research progress of waterborne
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            中排列得更为规整致密,而当 HA 添加量超过 0.3%
                                                                   2018, 36(1): 46-48.
            (质量分数)后,此时交联密度急剧增大,局部出                             [8]   Lei  L,  Xia  Z,  Ou  C,  et al.  Effects  of  crosslinking  on  adhesion
                                                                   behavior  of  waterborne  polyurethane  ink  binder[J].  Progress  in
            现链段团聚,使得断面变得粗糙以及出现小的突起。
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            综上,当 HA 添加量为 0.3%(质量分数)时,HAWPU                     [9]   Dong Fuhao (董阜豪), Chen Lijing (陈莉晶), Guo Jiawen (郭佳雯),
            胶膜具有最好的断面形态。                                           et al.  Progress  in  synthesis  and  application  of  biomass  modified
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                     图 7  HAWPU 胶膜的 SEM 断面图                    [16]  NiuYuhua (牛育华), Li Zhongjin (李仲谨), Hao Mingde (郝明德).
                  Fig. 7    SEM section images of HAWPU films      Research progress on humic acid[J]. Anhui Agricultural Sciences (安
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            3    结论                                                Maanshan:Anhui University of Technology (安徽工业大学), 2017.
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                 利用自提取的 HA 成功改性 WPU 得到一系列稳                         textile industry[J]. Textile Guide (纺织导报), 2013, (4): 48-50.
            定性好的 HAWPU 乳液。乳液粒径分布均匀,最小                          [19]  Arancon  N  Q,  Edwards  C  A,  Lee  S,  et al.  Effects  of  humic  acids
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            PDI 可达 0.002;力学性能测试表明:胶膜断裂伸长
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            率最高可达 1094.81%。综上,通过 HA 的改性,                       [20]  Jiang L, Zhu J, Wang H, et al. Sorption of humicacid on Fe oxides,
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            子物质,所制备的 HAWPU 为 WPU 在生物医药、                        [21]  Zhang Chuanxiang (张传祥), Zhang Xiaoming (张效铭), Cheng Gan
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