研究主要聚焦于通过固态核磁共振（Solid-state NMR）和同步辐射X射线散射（Synchrotron radiation X-ray scattering）技术，探究聚合物在外场作用下的结构与动力学响应。尤其关注聚合物薄膜体系，如高分子光学膜、电池极片和含能材料中高分子粘结剂。以下是我的具体研究方向：

研究方向一：聚合物序列与网络结构解析
1.1 基于核磁共振与极化克尔盒（Polarized Kerr cell）联用技术的聚合物全链序列测定
1.2 高分辨核磁共振表征聚合物网络结构

近期代表性工作：

(1)   Chen, X.; Lv, C.; Li, Y.; Wu, Z.; Cao, R.; Fei, W.; Lv, J.; Chen, W.* Precise Characterization of the Sequence Distribution of Poly(Vinyl Butyral) (PVB) by 2D-NMR and Isotope Enrichment. Macromolecules 2023, 56 (8), 3036–3049. https://doi.org/10.1021/acs.macromol.3c00203.

研究方向二：非平衡态凝胶化与网络形变机制
2.1 开发原位同步辐射X射线散射技术，研究溶液流延过程中凝胶化行为
2.2 发展原位核磁共振方法，研究流动场下聚合物网络的形变机制

近期代表性工作：

(1)       Chen, X.; Li, C.; Wu, L.; Yan, S.; Qi, L.; Chen, J*.; Chen, W.* Low-Field NMR for Polymer Science. Giant 2025, 24, 100364. https://doi.org/10.1016/j.giant.2025.100364.

(2)       Li, C.; Xia, Z.; Wu, L.; Xiong, Y.; Chen, W. *Strain-Dependent Evolution of the Rigid Amorphous Fraction of Low-Density Polyethylene under Deformation. Macromolecules 2025, 58 (5), 2320–2335. https://doi.org/10.1021/acs.macromol.4c02773.

(3)       Liu, J.; Zhong, F.; Chen, W.*; Dong, X.*Molecular Compatibility and Optical Performance of PMMA/PTFS Hybrid Films. Macromolecules 2025. https://doi.org/10.1021/acs.macromol.5c00802.

(4)       Wu, L.; Xiong, Y.; Li, C.; Chen, X.; Chen, W.* Strain-Induced Accelerated Chain Dynamics in Cross-Linked Natural Rubber under Active Deformation: An In Situ Nuclear Magnetic Resonance Study. Anal. Chem. 2025. https://doi.org/10.1021/acs.analchem.5c01483.

(5)       Cheng, H.; Zhao, Y.; Wei, X.; Zhang, Q.; Yang, E.; Xiong, Y.; Zhu, J.; Wu, Z.; Chen, J.; Chen, W.* Supercooling and Solvent Depletion-Driven Poly(Vinyl Alcohol) Film Formation Mechanism as Elucidated by In Situ Synchrotron Radiation X-Ray Scattering. Macromolecules 2024, 57 (4), 1569–1580. https://doi.org/10.1021/acs.macromol.3c02640.

(6)       Jin, X.; Zhang, Q.; Xiong, Y.; Wu, Z.; Cheng, H.; Chen, X.; Chen, W.* Molecular Mechanism of Surface Melting of Polyamide12 as Elucidated by Synchrotron Radiation X-Ray Scattering and ¹H Spin Diffusion NMR. Macromolecules 2024, 57 (3), 1277–1290. https://doi.org/10.1021/acs.macromol.3c02574.

(7)       Li, Y.; Li, Y.; Cao, R.; Xie, J.; Chen, W.* Amplifying the Mechanical Resilience of Chemically Cross-Linked Poly(Vinyl Alcohol) Films with the Addition of Boric Acid. Macromolecules 2024, 57 (13), 6321–6332. https://doi.org/10.1021/acs.macromol.4c01098.

(8)       Xiong, Y.; Xia, Z.; Lu, A.; Chen, W.* Time-Resolved Extensional Rheo-NMR Spectroscopy for Investigating Polymer Nanocomposites under Deformation. Anal. Chem. 2023, 95 (19), 7545–7551. https://doi.org/10.1021/acs.analchem.2c05788.

(9)       Wu, Z.; Xiong, Y.; Li, C.; Cheng, H.; Li, Y.; Chen, W.* Exploring the Interphase Structure of Poly(Vinyl Alcohol) during Sol–Gel Transition Using Selective Probes with Varied Molecular Sizes. Macromolecules 2023, 56 (17), 7113–7124. https://doi.org/10.1021/acs.macromol.3c01089.

(10)     Feng, S.; Zhu, J.; Yu, W.; Guo, H.*; Chen, W.*; Lu, A.; Li, L. Strain-Rate-Dependent Phase Transition Mechanism in Polybutene-1 during Uniaxial Stretching: From Quasi-Static to Dynamic Loading Conditions. Macromolecules 2022, 55 (6), 2333–2344. https://doi.org/10.1021/acs.macromol.1c02561.

(11)     Chen, P.; Xia, Z.; Luo, Y.; Chen, W. *A Cryo -Bulge Apparatus for in Situ Weather Balloon Crystallization Capturing during Blowing by Synchrotron Radiation x-Ray Scattering. Rev. Sci. Instrum. 2022, 93 (5), 053901. https://doi.org/10.1063/5.0071132.

(12)     Xia, Z.; Wang, Y.; Gong, K.; Chen, W.* An in Situ Stretching Instrument Combined with Low Field Nuclear Magnetic Resonance (NMR): Rheo-Spin NMR. Rev. Sci. Instrum. 2022, 93 (3), 033905. https://doi.org/10.1063/5.0080767.

研究方向三：动态界面行为与粘接失效机理

3.1 环境介质在界面的渗透与聚集行为
3.2 界面脱粘失效的微观机制