Page 57 - 《精细化工》2023年第1期
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第 1 期 袁成科,等: 纳米二氧化锆改性聚酰亚胺薄膜的制备及性能 ·49·
(3)加入 ZrO 2 纳米粒子后,ZrO 2 (40)/PI 薄膜的
水接触角与纯 PI 薄膜相比提高了 61%,疏水性能得
到改善。
PI 是综合性能较佳的高分子材料之一,对其耐
热性能、界面疏水性以及机械性能的调控将为其工
程实际应用提供重要指导,本研究对于扩展和强化
PI 高分子材料的商业化应用具有一定的实用价值。
参考文献:
a—PI;b—ZrO 2(16)/PI;c—ZrO 2(24)/PI;d—ZrO 2(32)/PI;e—
ZrO 2(40)/PI [1] ZHANG M Y, WANG Y, JIANG H L. New method to prepare corona
图 8 PI 以及 ZrO 2 (m)/PI(m = 16、24、32、40)薄膜的 resistant polyimide composite film[J]. Journal of Physics: Conference
Series, 2021, 1948(1): 012229.
水接触角 [2] YI C H, LI W M, SHI S, et al. High-temperature-resistant and
Fig. 8 Water contact angle of PI and ZrO 2 (m)/PI (m = 16, colorless polyimide: Preparations, properties, and applications[J]. Solar
24, 32, 40) films Energy, 2020, 195, 340-354.
[3] LIU J G (刘金刚), YANG H X (杨海霞), WANG K (王凯), et al.
考察了 ZrO 2 改性后 PI 薄膜的拉伸强度。PI 以 Synthesis and characterization of asymmetric polyimides with high
transparency[J]. Journal of Aeronautical Materials (航空材料学报),
及 ZrO 2 (m)/PI(m = 16、24、32、40)薄膜的拉伸强 2007, 27(3):60-65.
度见图 9。从图 9 可以看到,纯 PI 薄膜的拉伸强度 [4] KAUSAR A. Advances in carbon fiber reinforced polyamide-based
composite materials[J]. Advances in Materials Science, 2019, 19(4):
为 89.3 MPa,当引入 ZrO 2 纳米粉体后,复合薄膜的 67-82.
拉伸强度均降低。这是由于 ZrO 2 纳米粉体一定程度 [5] ZHANG Z H, ZHANG J, LIU X, et al. Microwave-heated high-silica
glass cloth reinforced polyimide-based metamaterial absorber for
上破坏了 PI 高分子的交联网络结构,造成了局部结
aircraft deicing[J]. Journal of Microwave Power and Electromagnetic
构缺陷,从而导致力学性能的降低。 Energy, 2021, 55(2): 140-152.
[6] ZHAO Y L, QI X W, MA J, et al. Effects of polyimide/silica and
polyimide/pores fillers on the morphology, thermal, mechanical, and
tribological properties of polytetrafluoroethylene composites[J]. Polymer
Composites, 2019, 40(9): 3438-3452.
[7] KONG Y N (孔宇楠), YIN J H (殷景华), TIE W L (铁雯鹭), et al.
Preparation and corona resistance of polyimide/TiO 2 nanocomposite
films[J]. Journal of Inorganic Materials (无机材料学报), 2014,
29(1): 98-102.
[8] LEE G B, SONG S H, LEE M W, et al. Characterization of physical
and mechanical properties of Al 2O 3-doped ZnO (AZO) thin films
deposited on transparent polyimide supports with various ALD process
parameters[J]. Applied Surface Science, 2021, 535: 147731.
[9] GUO H B (郭红波), ZHANG J (张军), PENG W T (彭伟涛), et al.
Synthesis and characterization of nano-sized zirconia powders using
microemulsion-assisted wet solid state reaction route[J]. Journal of
图 9 PI 以及 ZrO 2 (m)/PI(m = 16、24、32、40)薄膜的 Henan University of Science and Technology: Natural Science (河南
科技大学学报:自然科学版), 2010, 31(6): 1-5.
拉伸强度
Fig. 9 Tensile strength of PI film and ZrO 2 (m)/PI (m = 16, [10] CHENG F M (程凤梅), MA M Y (马明月), LI H D (李海东).
Fabrication and characterization and dielectric property of nano
24, 32, 40) films
ZrO 2/polyamide ultra-thin composite film[J]. Acta Materiae Compositae
Sinaca (复合材料学报), 2018, 35(7): 1725-1730.
3 结论 [11] KONG L S (孔鲁诗). Microstructure regulation, surface inorganic
functionalization and application of polyamide nanofibers[D]. Beijing:
Beijing University of Chemical Technology (北京化工大学), 2019.
本文将 ZrO 2 纳米粉体引入到 PI 分子中制备了 [12] LI X K, ZHAO Y, WANG K. Interfacial crystallization behavior of
质地均匀的 ZrO 2 (m)/PI 薄膜,探究了复合薄膜的耐 poly (ether-ether-ketone) on polyimide-modified CCF300 carbon
fibers[J]. Polymer Composites, 2020, 41(6): 2433-2445.
热性能、亲疏水性以及力学性能,主要结论如下: [13] ZHANG Y D (张玉迪), YU H (于浩), XU X Y (徐新宇). Research
(1)通过调节 ZrO 2 纳米粒子的加入量,采用原 progress of inorganic materials-modified PI[J]. China Synthetic Resins
and Plastics (合成树脂及塑料), 2021, 38(3): 71-76.
位掺杂热亚胺化制备了 ZrO 2 (m)/PI 复合薄膜(m = [14] SON J H, YU D Y, BYUN D J, et al. Effects of CO 2 laser
16、24、32、40)。 pretreatment conditions on adhesion properties of Cu/Ti films and
polyimide substrates[J]. Journal of Materials Science: Materials in
(2)当 ZrO 2 纳米粒子的加入量为 40 mg 时,
Electronics, 2021, 32(11): 14740-14748.
ZrO 2 (40)/PI 薄膜的初始分解温度相比于纯 PI 薄膜提 [15] WANG F L (王风亮). Study on the chain entanglement and
viscoelasticity of polymer brush[D]. Hangzhou: Zhejiang Sci-Tech
升了 20 ℃,这在工程应用(比如电动汽车漆包线)
University (浙江理工大学), 2019.
中作用显著。 (下转第 145 页)