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] Ming Yan, Yongyan Pang*, Weiwei Shao, Chi Ma, Wenge Zheng. Utilization of Spent Coffee Grounds as Charring Agent to Prepare Flame Retardant Poly(lactic acid) Composites with Improved Toughness. International Journal of Biological Macromolecules, 2024, 264: 130534.

[2] 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.

[3] 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.

[4] 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.

[5] 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.

[6] 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.

[7] 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.

[8] 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.

[9] 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.

[10] 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.

[11] 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.

[12] 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.

[13] 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.

[14] 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.

[15] 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.

[16] 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.

[17] 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.

[18] 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.

[19] 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.

[20] 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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