1. Cell strucutre control of polymer foams and applications (optical properties, flame retardancy, toughening, oil sorption)

2. Preparation and applications of bio-based polymer foams

3. Foaming techniques with supercritical fluids and fundamentals in polymer processing

4. Structure-property relationship of polymer materials

2003/9 - 2008/7  Institute of Chemistry, Chinese Academy of Sciences, PhD 
1999/9 - 2003/7  Qingdao University, Bachelor

2012/11 - present    Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 
                                Associate Professor, Professor
2008/8 - 2012/9      National Institute of Standards and Technology (NIST), Postdoc

[1] Minghui Wu, Yongyan Pang*, Zhijun Wang, Fei Wu, Wenge Zheng. From the Perspective of Cells as Dispersed Phase in Foam Injection Molding: Cell Deformation of PP/PTFE Foams. Polymer, 2023, 272: 125842.

[2] Zhijun Wang, Jinggang Wang, Yongyan Pang*, Ming Yan, Weiwei Shao, Jin Zhu, Wenge Zheng. To Effectively Tune the Cell Structure of Poly(ethylene terephthalate-co-ethylene 2,5-furandicarboxylate) Copolyester Foams via Conducting a Prior Isothermal Melt Crystallization. Industrial & Engineering Chemistry Research, 2023, 62: 1404−1414.

[3] Zhijun Wang, Jinggang Wang, Yongyan Pang*, Xinran Liu, Jin Zhu, Wenge Zheng. Cell Structure-tunable PEFT Copolyester Foams Prepared via Conducting a Prior Cold Crystallization. Journal of Materials Science, 2023, 58: 2025–2038.

[4] Zhijun Wang, Jinggang Wang, Yongyan Pang*, Jin Zhu, Wenge Zheng. Dependence of the Foaming Window of Poly(ethylene terephthalate-co-ethylene 2,5-furandicarboxylate) Copolyesters on FDCA Content. Polymer, 2022, 254: 125101.

[5] Zhijun Wang, Jinggang Wang, Yongyan Pang*, Jin Zhu, Wenge Zheng. Comparing Non-isothermal Melt and Cold Crystallization Behavior and Kinetics of Poly(ethylene 2,5-furandicarboxylate-co-ethylene terephthalate) Copolyesters. Journal of Materials Science, 2022, 57: 17503–17516.

[6] Xinyi Wei, Jingyun Luo, Xiangdong Wang, Hongfu Zhou*, Yongyan Pang*. ScCO₂-assisted Fabrication and Compressive Property of Poly(lactic acid) Foam Reinforced by in-situ Polytetrafluoroethylene Fibrils. International Journal of Biological Macromolecules, 2022, 209: 2050−2060.

[7] Yongyan Pang*, Yiyu Cao, Wenge Zheng, Chul B. Park*. A Comprehensive Review of Cell Structure Variation and General Rules for Polymer Microcellular Foams. Chemical Engineering Journal, 2022, 430: 132662.

[8] Yongyan Pang*, Xin Zhang, Bingjie Guo, Zhijun Wang, Wenxiang Fang, Jiang Li, Wenge Zheng*. Unprecedented Cell Structure Variation in Multilayered Alternating PS/PMMA Foams. Polymer, 2021, 237: 124386.

[9] Kangpei Qin, Xin Zhang, Yuan Xu, Yongyan Pang*, Zhijun Wang, Yinfeng Liu, Wenge Zheng. A Creative Approach to Prepare a Macromolecular Flame Retardant with Flexibility: DOPO-modified Epoxidized Polybutadiene. ACS Applied Polymer Materials, 2021, 3: 4896−4903.

[10] Yiyu Cao, Yongyan Pang*, Xia Dong, Dujin Wang, Wenge Zheng*. To Clarify the Resilience of PEBA/MWCNT Foams via Revealing the Effect of the Nanoparticle and the Cellular Structure. ACS Applied Polymer Materials, 2021, 3: 3766−3775.

[11] Yongyan Pang*, Yiyu Cao, Bingjie Guo, Hongfu Zhou*, Wenxiang Fang, Jiang Li, Xinran Liu, Yubo Zhou, Yunxuan Weng, Wenge Zheng. Unprecedented Cell Structure Variation in Multilayered Alternating PS/PS-SiO₂ Foams. ACS Applied Polymer Materials, 2021, 3: 2687−2693.

[12] Yiyu Cao, Yongyan Pang*, Xia Dong, Dujin Wang, Wenge Zheng*. Cell Structure Variation in Poly(ether-mb-amide) Copolymer Foams Induced by Chemi-crystallization. Industrial & Engineering Chemistry Research, 2020, 59: 11340−11349.

[13] Bingjie Guo, Yongyan Pang*, Xiao Cao, Quan Chen, Wenge Zheng*. A Creative Approach to Prepare Structure-tunable Multilayered PMMA/PS/PMMA Foams. Polymer, 2020, 209: 123061.

[14] Wei Liu, Yongyan Pang*, Minghui Wu, Kangpei Qin, Wenge Zheng*. Dependence of the Foaming Window of a Polystyrene/Poly(methyl methacrylate) Blend on Structural Evolution Driven by Phase Separation. Polymer, 2019, 166: 63−71.

[15] Wei Liu, Yongyan Pang*, Bingjie Guo, Kangpei Qin, Xia Dong, Dujin Wang, Wenge Zheng. Verification of the Competitive Effect between Heterogeneous and Gas Diffusion-induced Cell Nucleation in Determining Cell Structure in Polystyrene/Poly(methyl methacrylate) Blends via Structural Evolution Driven by Phase Separation. Industrial & Engineering Chemistry Research, 2019, 58: 18439−18447.

[16] Pengke Huang, Fei Wu, Yongyan Pang*, Minghui Wu, Xiaoqin Lan, Haibin Luo, Bin Shen*, Wenge Zheng*. Enhanced Dispersion, Flame Retardancy and Mechanical Properties of Polypropylene/Intumescent Flame Retardant Composites via Supercritical CO₂ Foaming Followed by Defoaming. Composites Science and Technology, 2019, 171: 282−290.

[17] Pengke Huang, Minghui Wu, Yongyan Pang*, Bin Shen*, Fei Wu, Xiaoqin Lan, Haibin Luo, Wenge Zheng*. Ultrastrong, Flexible and Lightweight Anisotropic Polypropylene Foams with Superior Flame Retardancy. Composites Part A, 2019, 116: 180−186.

[18] Kun Wang, Yongyan Pang*, Wei Liu, Fei Wu, Wenge Zheng*. A New Approach Designed for Improving in Situ Compatibilization of Polypropylene/Polystyrene Blends via Reactive Extrusion with Supercritical CO₂ as the Processing Medium. The Journal of Supercritical Fluids, 2016, 118: 203−209.

[19] Kun Wang, Yongyan Pang*, Fei Wu, Wentao Zhai, Wenge Zheng*. Cell Nucleation in Dominating Formation of Bimodal Cell Structure in Polypropylene/Polystyrene Blend Foams Prepared via Continuous Extrusion with Supercritical CO₂. The Journal of Supercritical Fluids, 2016, 110: 65−74.

[20] Kun Wang, Shusheng Wang, Fei Wu, Yongyan Pang*, Wei Liu, Wentao Zhai, Wenge Zheng*. A New Strategy for Preparation of Long-Chain Branched Polypropylene via Reactive Extrusion with Supercritical CO₂ Designed for an Improved Foaming Approach. Journal of Materials Science, 2016, 51: 2705−2715.

[21] Yongyan Pang*, Pengke Huang, Lihua Zhang. An Innovative Approach to Construct Photodegradation Curves for TiO₂ Incorporated Latex Coatings via Probing Localized Degradation. Polymer Degradation and Stability, 2016, 133: 27−35.

[22] Yongyan Pang*, Stephanie S. Watson, Li-Piin Sung. Surface Degradation Process Affected by Heterogeneity in Nano-titanium Dioxide Filled Acrylic Urethane Coatings under Accelerated UV Exposure. Polymer, 2014, 55: 6594−6603.

[23] Yongyan Pang, Xia Dong*, Kaipeng Liu, Charles C. Han, Erqiang Chen, Dujin Wang*. Ductile-Brittle Transition Controlled by Isothermal Crystallization of Isotactic Polypropylene and Its Blend with Poly(ethylene-co-octene). Polymer, 2008, 49: 4259−4270.

[24] Yongyan Pang, Xia Dong*, Xiuqin Zhang, Kaipeng Liu, Erqiang Chen, Charles C. Han, Dujin Wang*. Interplay between Crystallization Behaviors and Extensional Deformation of iPP and iPP/PEOc Blend. Polymer, 2008, 49: 2568−2577.

[25] Yongyan Pang, Xia Dong*, Ying Zhao, Charles C. Han, Dujin Wang*. Time Evolution of Phase Structure and Corresponding Mechanical Properties of iPP/PEOc Blends in the Late-Stage Phase Separation and Crystallization. Polymer, 2007, 48: 6395−6403.

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