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·826·                             精细化工   FINE CHEMICALS                                  第 36 卷

                                                                  (3)接触角测试表明,智能控温包装纸的接触
                                                               角为 121.82,包装原纸的接触角 88.64,可以得出,
                                                               经过涂布后的纸页接触角明显增大,即疏水性增强,
                                                               说明智能控温包装纸表面不易被水润湿,在短时间
                                                               内具有较好的疏水性。
                                                                  (4)考虑到涂料成本,当 PCMs/W-VO 2 智能控
                                                                                         2
                                                               温水性涂料用量达到 9.0  g/m 时,实验制得的智能
                                                               控 温包装 纸的 抗张指 数和 撕裂指 数分 别达 到
                                                                                       2
                                                               6.84 kN/m 和 22.69  (mN·m )/g,符合常规包装材料
                                                               力学性能要求,因此,该智能控温包装纸适合应用
                                                               于智能控温包装领域。

                                                               参考文献:
                                                               [1]   Karamanis  A  D,  Kyritsi  E,  Krimpalis  S.  Well-ordered  nanoporous
                                                                   materials  for  low-temperature  water  phase  changes  and  solar
                                                                   evapomtive cooling[J]. Solar Energy Materials & Solar Ceils, 2015,
                                                                   139: 34-43.
                                                               [2]   Zhang Li (张丽), Yang Wenbin (杨文彬), Zhang Kai (张凯), et al.
                                                                   Preparation  and  propertiy  of  melamine-formaldehyde  resin/paraffin
                                                                   microencapsulated  phase  change  materials  modified  by  graphene

              图 11    智能控温包装纸的抗张指数(a)、撕裂指数(b)                      oxide[J]. Polymer Materials Science & Engineering (高分子材料科
            Fig. 11    Tensile index (a) and tearing index (b) of intelligent   学与工程), 2017, 33(5): 147-151.
                   temperature control packaging paper         [3]   Zhou  Z  H,  Wang  C  D,  Sun  X  H,  et al.  Heating  energy  saving
                                                                   potential from building envelope design and operation optimization
            3   结论                                                 in residential buildings[J]. Journal of Cleaner Production, 2018, 174:
                                                                   413-423.
                (1)通过 SEM 观察到 PCMs/W-VO 2 微胶囊呈                 [4]   Matthias  K,  Arnaud  R,  Patrick  A,  et al.  Aerogel-based  thermal
            圆球状,形态完整,表面附着适量 W-VO 2 颗粒,存                            superin-sulation:  An  overview[J].  Journal  of  Sol-Gel  Science  and
                                                                   Technology, 2012, 63(3): 315-339.
            在少量破损现象,并可均匀分布在涂层中,但不能
                                                               [5]   Hajar  M,  Luisa  D,  António  P.  An  overview  on  silica  aerogels
            完全覆盖在涂料中而对纸页的平滑度造成一定负面                                 synthesis and different mechanical reinforcing strategies[J]. Journal
            影响,但一定程度上提高了纸页光泽度及红外反射                                 of Non-Crystalline Solids, 2014, 385: 55-74.
            率;EDS 分析表明,智能控温包装纸表面涂层中含有                          [6]   Xin Cheng (辛成), Lu Shaofeng (陆少锋), Shen Tianwei (申天伟),
                                                                   et al.  Preparation  and  properties  of  network  polyurethane  shell
            C、O、V、Si 和 W 5 种元素,从而说明了智能控温
                                                                   microencapsulated  phase  change  materials  via  an  interfacial
            包装纸表面涂层中含有硅类防水剂和 PCMs/W-VO 2
                                                                   polymerization[J].  Fine  Chemicals  (精细化工),  2018,  35(7):  1121-
            微胶囊;透气度测试表明,相比薄膜材料,纸页透                                 1125.
            气度较好,孔隙率较大,有利于热量的阻隔;相比                             [7]   Huang  Ju  (黄菊),  Yang  Ying  (杨莹).  Preparation  and  properties  of
            织物,纸页透气度虽然较低,但是涂料能在纸页表                                 transparent nano-ATO/PVB thermal insulation coating[J]. Electroplating
                                                                   & Finishing (电镀与涂饰), 2016, 35(2): 58-62.
            面均匀分布,能降低近红外光透射率而提高其隔热
                                                               [8]   He Yan (何燕), Zhang Xiong (张雄), Guan Jian (管建). Influence of
            控温性能。                                                  metallic  oxide  pigment  on  emissivity  and  solar  reflectance  of
                (2)DSC 和隔热温差测试表明,智能控温包装                            insulation coating[J]. Journal of Building Materials (建筑材料学报),
            纸的相变温度为 45 ℃,最佳隔热温差为 10.7 ℃,                           2015, 18(5): 784-789.
                                                               [9]   Lin  Mei  (林美).  Preparation  and  properties  of  silica-sol/acrylic
            与包装原纸相比,同时具备相变热反射和智能控温
                                                                   emulsion composite thermal reflective insulation coatings[J]. Polymer
            效果,将能量以相变潜热方式进行释放或贮存,能                                 Materials  Science  &  Engineering  (高分子材料科学与工程),  2017,
            有效提高智能控温性能;FTIR 分析表明,包装原纸                              33(3): 169-179
            的近红外透射率为 78%,而智能控温包装纸的近红                           [10]  Guo Junhong (郭军红), Zhang Pengzhong (张鹏中), Li Shuhui (李
            外透射率仅为 46%,涂布后的纸页对近红外光的透                               淑慧), et al. Preparation of microcapsule phase change materials by
                                                                   seeded micro-suspension polymerization[J]. Fine Chemicals (精细化
            射率降低了近 32%,并在整个太阳光波段都表现出
                                                                   工), 2016, 33(9): 971-976, 983.
            较低的近红外透射率,表明智能控温包装纸具有明                             [11]  Guo Junhong (郭军红), Yuan Qiang (元强), Xie Hong (谢宏), et al.
            显的近红外反射性能,能起到隔热控温效果。                                   Effects of functional fillers on thermal isolation property of reflective
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