4,4′-(Hexafluoroisopropylidene)diphthalic anhydride(6FDA) - ≥99% , CAS No.1107-00-2

CAS: 1107-00-2 Cat. No.: H137828 Molecular Weight: 444.24 Beilstein Registry Number: 7057916 EC Number: 214-170-0

GRADE & PURITY ≥99%

Synonyms

6FDA | 2,2-bis(3,4-anhydrodicarboxyphenyl)hexafluoropropane | 4,4'-(Hexafluoroisopropylidene)diphthalic Anhydride

Storage

Argon charged,Room temperature

Shipped In

Normal

Overview

An intermediate for high performance polyimides.

Application：

4,4'-(Hexafluoroisopropylidene) diphthalic anhydride is involved in the synthesis of polyamides derived from terphenylenes, which is used for gas separation.

Specifications

Synonyms

6FDA | 2, 2-bis(3, 4-anhydrodicarboxyphenyl)hexafluoropropane | 4, 4'-(Hexafluoroisopropylidene)diphthalic Anhydride

Specifications & Purity

≥99%

Storage

Argon charged, Room temperature

Shipped In

Normal

Purity

≥99%

Names and Identifiers

• Canonical Smiles: C1=CC2=C(C=C1C(C3=CC4=C(C=C3)C(=O)OC4=O)(C(F)(F)F)C(F)(F)F)C(=O)OC2=O
• IUPAC Name: 5-[2-(1,3-dioxo-2-benzofuran-5-yl)-1,1,1,3,3,3-hexafluoropropan-2-yl]-2-benzofuran-1,3-dione
• InChIKey: QHHKLPCQTTWFSS-UHFFFAOYSA-N
• INCHI: 1S/C19H6F6O6/c20-18(21,22)17(19(23,24)25,7-1-3-9-11(5-7)15(28)30-13(9)26)8-2-4-10-12(6-8)16(29)31-14(10)27/h1-6H
• Isomeric SMILES: C1=CC2=C(C=C1C(C3=CC4=C(C=C3)C(=O)OC4=O)(C(F)(F)F)C(F)(F)F)C(=O)OC2=O
• WGK Germany: 1
• UN Number: 3261
• Molecular Weight: 444.24
• Beilstein: 7057916
• Reaxy-Rn: 7057916
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=7057916&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organic acids and derivatives
    • Class Carboxylic acids and derivatives
      • Subclass Tetracarboxylic acids and derivatives

• Kingdom: Organic compounds
• Superclass: Organic acids and derivatives
• Class: Carboxylic acids and derivatives
• Subclass: Tetracarboxylic acids and derivatives
• Intermediate Tree Nodes: Not available
• Direct Parent: Tetracarboxylic acids and derivatives
• Alternative Parents: Phthalic anhydrides Isobenzofuranones Benzenoids Carboxylic acid anhydrides Oxacyclic compounds Organooxygen compounds Organofluorides Organic oxides Hydrocarbon derivatives Alkyl fluorides
• Molecular Framework: Aromatic heteropolycyclic compounds
• Substituents: Tetracarboxylic acid or derivatives - Phthalic_anhydride - Phthalic anhydride - Benzofuranone - Isobenzofuranone - Isocoumaran - Benzenoid - Carboxylic acid anhydride - Oxacycle - Organoheterocyclic compound - Hydrocarbon derivative - Organic oxide - Organooxygen compound - Organofluoride - Organohalogen compound - Alkyl fluoride - Organic oxygen compound - Alkyl halide - Aromatic heteropolycyclic compound
• Description: This compound belongs to the class of organic compounds known as tetracarboxylic acids and derivatives. These are carboxylic acids containing exactly four carboxyl groups.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: Miscible with water. Soluble in methanol.
• Sensitivity: Moisture sensitive.
• Melt Point(°C): 244-247°C
• Molecular Weight: 444.200 g/mol
• XLogP3: 4.600
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 12
• Rotatable Bond Count: 2
• Exact Mass: 444.007 Da
• Monoisotopic Mass: 444.007 Da
• Topological Polar Surface Area: 86.700 Ų
• Heavy Atom Count: 31
• Formal Charge: 0
• Complexity: 765.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

References

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62. Xiaoyu Wang, Fangxu Fan, Yongchao Sun, Jingfa Zhang, Canghai Ma, Gaohong He.  (2024)  De-carboxylation of cross-linkable triptycene-based polyimides for CO2 separation.  AICHE JOURNAL,  70  (8): (e18471).  [PMID:] [10.1002/aic.18471]

63. Haiyan Guo, Lingbin Liu, Yuxiu Yu, Qiang Zhang, Qing Chang, Yaodong Liu.  (2025)  Designing soft and hard segments in polyimide binders for enhanced silicon anode performance.  JOURNAL OF POWER SOURCES,      [PMID:] [10.1016/j.jpowsour.2025.236629]

64. Yugen Wang, Jianwei Li, Wei Chu, Keying Chen, Zhonglei Ma, Fei Liu, Qiangli Zhao.  (2024)  Dual Cross-Linked Networks Reinforced Polyimide Foams with Outstanding Piezoelectric Properties and Heat Resistance Performance.  ACS Applied Materials & Interfaces,      [PMID:39360618] [10.1021/acsami.4c11567]

65. Baokai Zhang, Xianqiang Pei, Yanming Wang, Shanhong Wan, Juan Yang, Gai Zhao, Qihua Wang, Tingmei Wang.  (2024)  Effects of graphene oxide solvent-free nanofluids on the tribological properties of polyimide coating.  POLYMER COMPOSITES,      [PMID:] [10.1002/pc.29119]

66. Junwei Xiang, Yanjie Cheng, Guodong Zhang, Zhiyang Liu, Chuanzhou Han, Qiaojiao Gao, Chaoyang Wang, Jiayu Xie, Shiang Li, Zijian Zhou, Jing Liu, Xinhui Lu, Anyi Mei, Yinhua Zhou, Hongwei Han.  (2024)  Efficient Carbon-Based Hole-Conductor-Free Printable Mesoscopic Perovskite Solar Cells via a Multifunctional Fluorinated Molecule.  ADVANCED FUNCTIONAL MATERIALS,      [PMID:] [10.1002/adfm.202402816]

67. Lu Bai, Yongchao Sun, Tianyou Li, Jianyu Guan, Yijun Liu, Gaohong He, Canghai Ma.  (2024)  Enhanced ethylene/ethane separation using carbon molecular sieve membranes derived from polybenzoxazole-based polyimides.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2024.123649]

68. Bingyu Zhao, Haojie Li, Zian Chen, Jiawei Lin, Yaodong Liu.  (2024)  Enhancing gas separation performance of polyimide with Tröger’s bases: Unveiling the impact on polymer and carbon molecular sieve membranes.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2024.126286]

69. Jiayuan Yan, Yanming Wang, Fengli Liu, Xiaoliang Zhang, Yongxing Liu, Wangfei Shen, Zhixiao Zhang, Ping Li, Yafeng Wang, Chunxia Wu.  (2024)  Enhancing the tribological performance of polyimide composite coatings with amino-functionalized MXene nanofillers.  TRIBOLOGY INTERNATIONAL,      [PMID:] [10.1016/j.triboint.2024.110064]

70. Shiyu Qin, Jinhui Song, Hongmei Qin, Yuheng Fu, Man Liu, Siyu Yu, Ling Zhou, Chuanxi Xiong, Shan Wang.  (2024)  Fluorinated aromatic polyimide with large bandgap exhibiting superior capacitive performance at elevated temperatures.  Journal of Energy Storage,      [PMID:] [10.1016/j.est.2024.111458]

71. Fangxu Fan, Yongchao Sun, Lu Bai, Tianyou Li, Zeyuan Gao, Gaohong He, Canghai Ma.  (2025)  Fluorinated-cardo-based thermally rearranged membranes with enhanced gas separation performance for CO2 capture and hydrogen separation.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.123843]

72. Shiying Qi, Shuo Han, Jianhao He, Jianchao Jiang, Chi Zhang, Jun Wang, Fei Xiao, Yuanrong Cheng.  (2025)  High Performance Polyimide Films with Low Dk and Low Df at 10 GHz via Cross-Linking of Bulky Pendant Groups.  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.4c04123]

73. Maijun Li, Yubo Long, Zhibo Zheng, Xu Hu, Siwei Liu, Zhenguo Chi, Nanwen Li, Jiarui Xu, Yi Zhang.  (2024)  High-Performance Polyimide CO2 Separation Membrane Prepared by Zn(II) Coordination Cross-Linking.  INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,      [PMID:] [10.1021/acs.iecr.4c00921]

74. Lianlian Chen, Dingyu Zheng, Fuxing Zhai, Lixin Xu, Huijian Ye.  (2025)  High-temperature energy storage capability of flexible polyimide film incorporated with compatible covalent organic framework.  JOURNAL OF POWER SOURCES,      [PMID:] [10.1016/j.jpowsour.2025.236204]

75. Chun Liu, Mingkang Wang, Xin Zhao, Changpeng Yang, Ran Wei, Wentao Zeng, Feng Ding, Sizhao Zhang, Yongjun Lei.  (2025)  High-Temperature Resistant Polyimide Aerogels With Extreme Condition Tolerance Constructed by In Situ Skeleton Encapsulation Growth.  ADVANCED FUNCTIONAL MATERIALS,      [PMID:] [10.1002/adfm.202500881]

76. Huijian Ye, Lianlian Chen, Huilei Jiang, Lixin Xu.  (2024)  Improved High-Temperature Polarization and Charge–Discharge Efficiency in Fluorinated Polyimide Copolymers.  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.3c02639]

77. Fuying Pei, Bohan Yin, Hongge Jia, Lijia Liu, Yutong Shan, HongjinWang.  (2024)  Multifunctional carboxylated polyimide fiber membrane for gravity-driven efficient simultaneous separation of oil-in-water emulsions and methylene blue dye.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2024.130760]

78. Xingwu Jiang, Xiang Wang, Peifeng Liu, Jinzheng Huang.  (2024)  Novel nano-C@BaTiO3 fibers/polar trans-cyclohexane modified polyimide composite films with enhanced dielectric properties and energy storage density.  Journal of Materials Chemistry A,  12  (48): (33632-33639).  [PMID:] [10.1039/D4TA06322H]

79. Xinbin Ji, Yulong Xiang, Jing Guo, Fucheng Guan, Xiaoqing Xiong, Da Bao, Qiang Yang, Minghan Li, Yihang Zhang, Zheng Li, Jianbin Sun.  (2024)  Polyacrylonitrile In-Situ reinforced polyimide superhydrophobic porous fibers: A miraculous thermal insulation and flame-retardant material.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.152641]

80. Jiawei Chen, Kang Ma, Xin Song, Jian Wang, Jianmin Zhang.  (2024)  Polyimide/cellulose composite membrane with excellent heat-resistance and fast lithium-ion transport for lithium-ion batteries.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:39674482] [10.1016/j.ijbiomac.2024.138738]

81. Yanming Wang, Yao Wang, Bihai Su, Feibo Li, Linlin Shi, Xiaojing Wang, Lingwei Li, Jiale Zhao, Tianlong Wang, Ping Li, Xiaoliang Zhang, Jingbo Mu, Gai Zhao, Yu Dong.  (2025)  Preparation and performance analysis of ILs@MoS2 modified polyimide proton exchange membrane.  Materials Science and Engineering B-Advanced Functional Solid-State Materials,      [PMID:] [10.1016/j.mseb.2025.118163]

82. Yi Wang, Liang Li, Fangli Zhang, Huajiang Wang, Zhaoliang Cui, Zhaohui Wang, Xiaozu Wang.  (2025)  Preparation of a 6FDA-DAM/ODA Mixed Matrix Membrane Doped with MOFs and Its Application in Gas Separation.  ACS Applied Materials & Interfaces,      [PMID:39874597] [10.1021/acsami.4c18217]

83. Xiaoyu Du, Shijun Zhao, Yanqing Qu, Hongge Jia, Shuangping Xu, Mingyu Zhang, Guoliang Geng.  (2024)  Preparation of Polyimide/Ionic Liquid Hybrid Membrane for CO2/CH4 Separation.  Polymers,  16  (3): (393).  [PMID:38337282] [10.3390/polym16030393]

84. Hong Li, Xiaoqian Lan, Feng Bao, Shuanger Li, Haoran Zhu, Zijuan Zhu, Yadong Li, Mingliang Wang, Caizhen Zhu, Jian Xu.  (2024)  Preparation of triphenylamine polyimides with low dielectric constants with different side group sizes based on β-relaxation theory.  EUROPEAN POLYMER JOURNAL,      [PMID:] [10.1016/j.eurpolymj.2024.112969]

85. Xiaoke Wei, Feng Wang, Daxiong Wu, Canying Zhang, Haitao Zhu.  (2025)  Radiative Cooling of Outdoor Electronic Devices by Polyimide Fiber Films Fabricated via an Electrospinning-Electrospray Process.  ACS Applied Materials & Interfaces,      [PMID:40134069] [10.1021/acsami.5c02684]

86. Lijian Liu, Haihua Wang, Xixi Hao, Qinghua Zhang, Guiqiang Fei, Yihao Duan, Liyu Sun.  (2024)  Robust superhydrophobic bilayer coating: Long-term anti-corrosion and anti-fouling resistance enabled by POSS star cross-linking and fluoride-modified SiO2 nanoparticles specific synergies.  PROGRESS IN ORGANIC COATINGS,      [PMID:] [10.1016/j.porgcoat.2024.108919]

87. Zhiqiang Wu, Jie Dong, Han Guo, Rui Shang, Xiuzhi Qin, Yanfei Xia, Xiuting Li, Xin Zhao, Chengchang Ji, Qinghua Zhang.  (2024)  Robust, Self-Healing, and Multi-Use Poly(Urethane-Urea-Imide) Elastomer as a Durable Adhesive for Thermal Interface Materials.  Small,      [PMID:38573922] [10.1002/smll.202401815]

88. Chenxu Geng, Aibing Chen, Yuxiu Sun, Chenxu Zhang, Zixian Qin, Zhengqing Zhang, Zhenjie Gu, Zhihua Qiao.  (2024)  Spacial regulation of precise aperture in metal–organic frameworks towards ultrahigh-selective mixed matrix membranes for low-energy-consumption C3H6/C3H8 separation.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.151451]

89. Muke Zhang, Yafei Yu, Yang Liu, Liang Chen, Qin Chen, Jinchao Li, Yaping Zhang.  (2025)  Synthesis and Characterization of a Colorless Polyimide Membrane With a Low Dielectric Constant.  JOURNAL OF POLYMER SCIENCE,      [PMID:] [10.1002/pol.20241207]

90. Nafeesa Mushtaq, Jinglei Xing, Xiaohong Li, Guofei Chen, Xingzhong Fang.  (2024)  Synthesis and comparative study of high Tg and colorless polyamide-imides with different amide-to-imide ratio.  JOURNAL OF POLYMER SCIENCE,      [PMID:] [10.1002/pol.20230948]

91. Haiyang Dai, Yang Zhang, Yang Yang, Jing Chen, Chongyang Li, Hao Liu, Wentao Liu, Xin Li, Tingting Zhang, Renzhong Xue, Tao Li.  (2024)  The influence of diamine structure on low dielectric constant and comprehensive properties of fluorinated polyimide films.  EUROPEAN POLYMER JOURNAL,      [PMID:] [10.1016/j.eurpolymj.2024.113614]

92. Kun Peng, Xinyan Yang, MD Zahidul Islam, Xiangyu Mei, Yuhao Jiang, Xiaoming Qi, Yaqin Fu.  (2024)  The Sandwich Structure of a Polyimide/PTFE Composite Film Designed to Achieve a Low Dielectric Constant and Excellent Thermal Performance at High Frequency.  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.4c02531]

93. Siyao Wang, Jingfa Zhang, Yongchao Sun, Fangxu Fan, Qizheng Zhao, Gaohong He, Canghai Ma.  (2025)  Thermally rearranged polyimide membranes incorporating triptycenes for improved CO2 capture and hydrogen separation.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2025.132302]

94. Baokai Zhang, Xianqiang Pei, Yanming Wang, Shanhong Wan, Gai Zhao, Qihua Wang, Tingmei Wang.  (2024)  Tribological properties of polyimide coating filled with solvent-free covalent carbon quantum dots nanofluids.  TRIBOLOGY INTERNATIONAL,      [PMID:] [10.1016/j.triboint.2024.110376]

95. Zihui Yu, Xianqiang Pei, Qianyao Pei, Yaoming Zhang, Qihua Wang, Tingmei Wang.  (2024)  Tribological properties of polyimide composite coatings synergistically reinforced by metal-organic frameworks modified carbon fibers and graphite.  TRIBOLOGY INTERNATIONAL,      [PMID:] [10.1016/j.triboint.2024.110289]

96. Zihui Yu, Xianqiang Pei, Qianyao Pei, Yan Wang, Zhancheng Zhang, Yaoming Zhang, Qihua Wang, Tingmei Wang.  (2024)  Tribological Properties of Polyimide Composites Modified with Diamondoid Metal–Organic Frameworks.  Polymers,  16  (6): (806).  [PMID:38543410] [10.3390/polym16060806]

97. Hong Chen, Wei Ou, Yu Huang, Hongchang Huang, Junlan Li, Juncheng Liu.  (2024)  UiO-66 uniformly assembled foldable polyimide films with high transmittance and excellent ultraviolet resistance.  COMPOSITES SCIENCE AND TECHNOLOGY,      [PMID:] [10.1016/j.compscitech.2024.110590]

98. Mingwei Cai, Jiongcai Chen, Heng Liu, Luxin Sun, Jiahao Wu, Tingting Cui, Shiyang Zhang, Xiaohua Ma, Yonggang Min.  (2024)  Unveiling the Mystery: How TR precursors lead to exceptional gas separation performance in CMSMs.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2024.123287]

99. Rashida Shahbaz, Tianyou Li, Yongchao Sun, Samrina Sharif, Gaohong He, Canghai Ma.  (2025)  Amino-modified bimetallic ZIF (Zn/Co-NH2)/Polyimide-based mixed matrix membranes for enhanced hydrogen separation.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2025.134322]

100. Yuxuan Zhao, Jun Hu, Jiangzhou Luo, Honglei Ling, Song Xue.  (2025)  Preparation of High-Performance Carbon Molecular Sieve Membranes Derived From Network Polyimide Containing Bromine Groups.  JOURNAL OF APPLIED POLYMER SCIENCE,      [PMID:] [10.1002/app.57575]

101. Changchun Qi, Xiong Yang, Jiufeng Dong, Guangyu Sun, Wenrui Li, Fangzheng Zou, Ruitong Zhou, Xiaogang Qin, Baipeng Song, Guanjun Zhang.  (2025)  Trap State Modulation via Strong Electron-Withdrawing Groups for Enhanced Vacuum Surface Insulation of All-Organic Polyimide.  ACS Applied Materials & Interfaces,      [PMID:40811861] [10.1021/acsami.5c10530]

102. Shu-Xiao Wang, Jia-Xin Li, Shan-Yuan Zhong, Qing Liao, Mei-Jin Lin.  (2025)  Design and synthesis of low dielectric constant polyimides based on fluorinated diamines with twisted triphenylmethane units and bulky side chains.  EUROPEAN POLYMER JOURNAL,      [PMID:] [10.1016/j.eurpolymj.2025.114252]

103. Weilin Feng, Fupeng Li, Jiaqi Li, Zhiyi Li, Lu Xu, Hukang Guo, Nanwen Li, Xinzhong Cao, Chuanjie Fang, Baoku Zhu, Liping Zhu.  (2025)  Asymmetrical polyimide membranes with programmable polymer chain architectures for liquid hydrocarbon fractionation.  Science Advances,  11  (37):   [PMID:40939002] [10.1126/sciadv.ady3674]

104. Huahui Liang, Mingwei Cai, Fuhui Liang, Shiyang Zhang, Yonggang Min.  (2025)  Simultaneously enhanced gas perm-selectivity of carbon molecular sieve membranes via silicon-based molecular cross-linking for efficient gas separation.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.124709]

105. Changchun Wang, Xingming Jie, Lixin Li, Guodong Kang, Dandan Liu, Yiming Cao, Yi Wei, Lina Wang.  (2025)  Fabrication of Claisen thermally rearranged hollow fiber membranes derived from allyl functionalized copolyimide for CO2 removal from natural gas.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.124755]

106. Baokai Zhang, Yanming Wang, Xian-Qiang Pei, Xiaoliang Zhang, Gai Zhao, Qihua Wang, Tingmei Wang.  (2025)  N,S-Co-doping enhances tribological properties of solvent-free covalent carbon dot nanofluids.  TRIBOLOGY INTERNATIONAL,      [PMID:] [10.1016/j.triboint.2025.111153]

107. Haojie Li, Zi-An Chen, Bingyu Zhao, Junhao Xin, Longlong Wang, Ke Xiao, Huazhang Zhao, Yaodong Liu.  (2025)  Engineering carbon molecular sieve membranes with tailored microstructures via molecular doping for superior hydrogen separation.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.162418]

108. Wen Li, Jun Lin, Wei Chu, Xuanning Zhang, Jun Fang, Qiangli Zhao, Jianwei Li.  (2025)  Polyimide composite fiber containing fluorine for respiratory monitoring and wearable electronics.  POLYMER,      [PMID:] [10.1016/j.polymer.2025.128479]

109. Shengrui Zhou, Li Zhang, Guan Wang, Bilal Iqbal Ayubi, Yiwei Wang.  (2025)  Mechanisms of Enhanced Durability in Fluorinated Polyimide Based on POSS during Electro-Thermal Aging.  POLYMER DEGRADATION AND STABILITY,      [PMID:] [10.1016/j.polymdegradstab.2025.111402]

110. Yingxiu Wu, Haiyan Guo, Bingyu Zhao, Yuxiu Yu, Yaodong Liu, Shouchun Zhang.  (2025)  Improved CO2/CH4 Separation in Carbon Molecular Sieve Membranes via Copolymerization of Long-Chain Flexible Structures.  Membranes,  15  (5): (128).  [PMID:40422739] [10.3390/membranes15050128]

111. Ao Tang, Huijie Nie, Jialin Zhang, Zhuo Chen, Jie Dong, Xin Zhao, Xiuting Li, Qingsong Xu, Qinghua Zhang.  (2025)  High-Performance Poly(imide-co-benzoxazole) Gas Separation Membranes Based on Synergy Effect of Hydrogen-bonding Interaction, Thermo-Oxidative Crosslinking and Thermal Rearrangement Reaction.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.124186]

112. Ling Zhou, Jinhui Song, Ganbo Liang, Shiyu Qin, Hongmei Qin, Siyu Yu, Chuanxi Xiong, Shan Wang.  (2025)  Soluble Semi-Alicyclic Fluorinated Copolyimide Dielectrics for High-Temperature Capacitive Energy Storage.  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.5c00920]

113. Yuan Pan, Kaifeng Chen, Yi Liu, Yuxuan Liu, Mengting He, Zhite Xie, Zongrong Wang.  (2025)  High-Sensitivity All-Fiber Sensor Smart Gloves for Hand Perception.  ACS Applied Materials & Interfaces,      [PMID:40374328] [10.1021/acsami.5c04794]

114. Hui Zhang, Zhi Xiang, Pengcheng Fang, Shuhuan Zang, Zhengzhi Zheng.  (2025)  Soluble Polyimide-Modified Epoxy Resin With Enhanced Comprehensive Performances.  JOURNAL OF APPLIED POLYMER SCIENCE,      [PMID:] [10.1002/app.57400]

115. Zhengsheng Yang, Huanyong Liu, Peiheng Zhou, Haolan Li, Zhiheng Zou, Guang Yang.  (2025)  Thermally Stable, Hydrophobic Colorless Polyimides With High Strength and Excellent Dimensional Stability for Flexible Optoelectronics and Electronics.  JOURNAL OF POLYMER SCIENCE,      [PMID:] [10.1002/pol.20250363]

116. Lei Li, Shumei Liu, Pengwei Duan, Xing Liu, Jianjun Li, Jianqing Zhao.  (2025)  Tailored Glass Fiber Reinforced Nylon 66 Composites With Good Processability, Excellent Thermal, and Mechanical Properties via an Anhydride-Terminated Fluorinated Imide Oligomer: A Combined Method of Experimental Analysis and Molecular Dynamic Simulation.  POLYMER COMPOSITES,      [PMID:] [10.1002/pc.70010]

117. Bingbing Gao, Yiran Peng, Ming Wu, Hua Ma, Jianchao Sun, Peng Zhang, Xingzhong Cao, Like Ouyang, Xiaobin Fu, Chunfang Zhang, Yunxiang Bai, Lijun Liang, Yang Liu, Liangliang Dong.  (2025)  Three-In-One Polyimide-based Blended Membrane for Upgrading Helium Separation Performance and Physical Aging Resistance.  Advanced Membranes,      [PMID:] [10.1016/j.advmem.2025.100139]

118. Xinbin Ji, Yulong Xiang, Jing Guo, Fucheng Guan, Da Bao, Qiang Yang, Zheng Li, Yihang Zhang, Xin Zhang, Jiahao He.  (2025)  Polyimide porous thermoelectric fibers based on sheath core structure: A new self-powered material for early fire warning and flame retardant protection.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.169714]

119. Yi Huang, Meng Cao, Lingfei Ye, Jie Liao, Haonan Wu, Lan Yi, Shangqing Chen, Fanpeng Cheng, Huijuan Guo, Liwei Cheng, Lijuan Shi, Qun Yi.  (2025)  Alkyl-chain engineered ionic COFs eliminate interfacial defects and transcend the permeability-selectivity trade-off for high performance CO2/CH4 separation.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.124897]

120. Jin Wang, Tianlong Zhou, Jie Zou, Jianhang Hai, Yunqing Lu.  (2025)  High Output Power Density Triboelectric Nanogenerator Based on Surface-Patterned PI/UIO-66-NH2 Mixed Matrix Membranes.  Nanoscale,      [PMID:41313268] [10.1039/D5NR03339J]

121. Guangyu Duan, Fengying Hu, Yiran He, Zuming Hu, Ming Tian, Junwei Zha.  (2025)  Polymer dielectrics enabled by molecular engineering design and charge trap regulation for high-temperature energy storage.  Journal of Materials Chemistry A,      [PMID:] [10.1039/D5TA07395B]

122. Peiyao Niu, Tianyou Li, Qizheng Zhao, Yongchao Sun, Jingfa Zhang, Fangxu Fan, Gaohong He, Canghai Ma.  (2025)  Mixed Matrix Membranes Based on Benzimidazole-Modulated MOFs for Enhanced CO2 Capture and H2 Separation.  INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,      [PMID:] [10.1021/acs.iecr.5c00363]

123. Wangfei Shen, Qingzhe Zhang, Yingying Wang, Pu Zhang, Xiaoliang Zhang, Chunxia Wu, Cunxin Jia, Jingkang Liu, Xudong Xue, Yanming Wang.  (2025)  Synergistic lubrication of MXene/Bi₆O₇ heterostructures in polyimide composite coatings for enhanced tribological performance.  TRIBOLOGY INTERNATIONAL,      [PMID:] [10.1016/j.triboint.2025.111496]

124. Zihui Yu, Yan Wang, Qihua Wang, Yaoming Zhang, Zhancheng Zhang, Meizhe Yu, Xianqiang Pei.  (2025)  Achieving maintenance-free durability of PI composite coatings through a hard-soft cross-scale synergistic structure.  TRIBOLOGY INTERNATIONAL,      [PMID:] [10.1016/j.triboint.2025.111509]

125. Zihui Yu, Yan Wang, Yaoming Zhang, Qihua Wang, Tianqiang Yin, Zhancheng Zhang, Gai Zhao, Meizhe Yu, Xianqiang Pei.  (2025)  MOF-structure-dependent mechanical and tribological properties of polyimide composite coatings: synergistic experimental and computational insights.  Journal of Materials Chemistry A,      [PMID:] [10.1039/D5TA07197F]

126. Yuanyuan Zhong, Lijun Ma, Pengfei He, Qiangli Zhao, Jianwei Li.  (2025)  Hybrid Piezo/Triboelectric Nanogenerators Based on Nanofibrous Aerogels for Energy Harvesting and Respiratory Monitoring.  ACS Sensors,      [PMID:41237416] [10.1021/acssensors.5c02789]

127. Jiayou Liao, Zhiyuan Wu, Zhe Meng, ChengYun Gao, Jinping Li, Yong Wang, Xianjie Meng, Jiwei Ma, Lijing Yuan, Xingzhong Cao, Xu Wu.  (2025)  Simultaneously enhanced gas permeability and selectivity of polyimide membranes by the regulation of interchain microenvironment.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.125018]

128. Lu Bai, Fangxu Fan, Zeyuan Gao, Tianyou Li, Yuao Wang, Zehua Li, Rongyu Lu, Ziyu Huai, Xinyue Wu, Gaohong He, Canghai Ma.  (2025)  Effect of thermally rearrangeable polyimide units on carbon molecular sieve membranes for enhanced C2H4/C2H6 separation.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.125032]

129. Xinbin Ji, Yulong Xiang, Da Bao, Zheng Li, Jing Guo, Fucheng Guan, Jiahao He.  (2025)  Molecular Design Enables Dope-Dyed Porous Polyimide Fibers with Thermal Insulation and Flame Retardancy.  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.5c03548]

130. Shumiao Zhang, Guangyao Fan, Ruiying Xie, Roberto Castro-Muñoz, Xiaoquan Feng, Dongyang Li, Xuerui Wang, Yatao Zhang, Meixia Shan.  (2025)  Simultaneous Enhancement of the Propylene Permeability and Selectivity in Mixed-Matrix Membranes with Ag+-Modified Covalent Organic Frameworks.  ACS Sustainable Chemistry & Engineering,      [PMID:] [10.1021/acssuschemeng.5c10295]

131. Yiqiang Deng, Shengwang Li, Zhuo Yang, Guining Chen, Xiuling Chen, Shuang-Feng Yin, Gongping Liu.  (2025)  Small molecule bridged MOF-802/polymer mixed-matrix membranes for helium extraction.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.125075]

132. Jie Liu, Jun Yang, Zijia Zhang, Qian Jiang, Lele Sun, Chaoyi Peng, Jin Wang, Li Xiang, Anlian Pan.  (2025)  Study on the preparation of novel transparent UV- barrier polyimide films via regulating molecular chain Configuration and electronic orbital Arrangement by –CF3 and their application properties.  EUROPEAN POLYMER JOURNAL,      [PMID:] [10.1016/j.eurpolymj.2025.114470]

133. Changchao Sun, Yongjun Kang, Bingxue Liu, Daolei Lin, Guofeng Tian, Shengli Qi, Dezhen Wu.  (2025)  Enhanced Long-Term Stability and Safety of LiNi0.8Co0.1Mn0.1O2 Cathode via Nanoscale Surface Modification with Sulfonyl-Functionalized Polyimide Layer.  ACS Applied Materials & Interfaces,      [PMID:41468563] [10.1021/acsami.5c21502]

134. Shengrui Zhou, Zhang Li, Guan Wang, Qinkun Yang, Bilal Iqbal Ayubi.  (2025)  Vacuum Surface Discharge Behavior and Evolution Characteristics of Fluorinated Polyimide under High-Frequency Electrical Stress.  IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION,      [PMID:] [10.1109/TDEI.2025.3644843]

135. Zhong Yuanyuan, Ma Lijun, He Pengfei, Huang Liangkang, Lu Yuyan, Li Jianwei.  (2026)  Ultralight Nanofibrous Polyimide Aerogels with Outstanding Piezoelectric Performance for Acoustic Recognition.  Advanced Fiber Materials,      [PMID:] [10.1007/s42765-025-00643-5]

136. Shibo Zhao, Xinjun Wen, Hongge Jia, Mingyu Zhang, Yanqing Qu, Chengbao Geng.  (2026)  Fluorene-functionalized intrinsic microporous polyimide thermal reforming membrane [PIM-PI(TR) membrane] for biogas purification: High CO₂ permeability and CO₂/CH₄ selectivity exceeding the Robeson.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2026.137062]

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