Citation: Ian Mann, Xinfei Yu, Wen-Bin Zhang, Ryan M. Van Horn, Jason J. Ge, Matthew J. Graham, Frank W. Harris, Stephen Z.D. Cheng. WHAT ARE THE DIFFERENCES OF POLYMER SURFACE RELAXATION FROM THE BULK?[J]. Chinese Journal of Polymer Science, ;2011, 29(1): 81-86. doi: 10.1007/s10118-010-1022-6 shu

WHAT ARE THE DIFFERENCES OF POLYMER SURFACE RELAXATION FROM THE BULK?

Corresponding author: Stephen Z.D. Cheng,
Received Date: 24 August 2010
Revised Date: 7 September 2010

The polymer surface relaxation in thin films has been a long debating issue. We report a new method on studying surface relaxation behaviors of polymer thin films on a solid substrate. This method involved utilizing a rubbed polyimide surface with a pretilting angle in a liquid crystalline cell. Due to the surface alignment, the liquid crystals were aligned along the rubbing direction. During heating the liquid crystalline cell, we continuously monitored the change of orientation of the liquid crystals. It is understood that at a temperature where the orientation of liquid crystal is lost, the surface relaxation on the glass substrate takes place to lose the polyimide surface orientation. It was found that the relaxation temperature at which the liquid crystals lose their orientation depends on the film thickness of the polyimide. A quantitative linear relationship between the relaxation temperature and reciprocal of the film thickness can be observed. Furthermore, different topologies of the rubbed and relaxed thin films were amplified using the polyethylene decoration method and observed using atomic force microscopy.
- Surface relaxation,
- Liquid crystal orientation,
- Polyethylene decoration
1. [1]
  Jiaqi Lin , Pupu Yang , Yimin Jiang , Shiqian Du , Dongcai Zhang , Gen Huang , Jinbo Wang , Jun Wang , Qie Liu , Miaoyu Li , Yujie Wu , Peng Long , Yangyang Zhou , Li Tao , Shuangyin Wang . Surface decoration prompting the decontamination of active sites in high-temperature proton exchange membrane fuel cells. Chinese Chemical Letters, 2024, 35(11): 109435-. doi: 10.1016/j.cclet.2023.109435
2. [2]
  Min Chen , Boyu Peng , Xuyun Guo , Ye Zhu , Hanying Li . Polyethylene interfacial dielectric layer for organic semiconductor single crystal based field-effect transistors. Chinese Chemical Letters, 2024, 35(4): 109051-. doi: 10.1016/j.cclet.2023.109051
3. [3]
  Ce Liang , Qiuhui Sun , Adel Al-Salihy , Mengxin Chen , Ping Xu . Recent advances in crystal phase induced surface-enhanced Raman scattering. Chinese Chemical Letters, 2024, 35(9): 109306-. doi: 10.1016/j.cclet.2023.109306
4. [4]
  Yang Li , Yihan Chen , Jiaxin Luo , Qihuan Li , Yiwu Quan , Yixiang Cheng . Enhanced circularly polarized luminescence emission promoted by achiral dichroic oligomers of F8BT in cholesteric liquid crystal. Chinese Chemical Letters, 2024, 35(11): 109864-. doi: 10.1016/j.cclet.2024.109864
5. [5]
  Wenli Xu , Yingzhao Zhang , Rui Wang , Chenyang Liu , Jialin Liu , Xiangyu Huo , Xinying Liu , He Zhang , Jianxu Ding . In-situ passivating surface defects of ultra-thin MAPbBr3 perovskite single crystal films for high performance photodetectors. Chinese Journal of Structural Chemistry, 2025, 44(1): 100454-100454. doi: 10.1016/j.cjsc.2024.100454
6. [6]
  Wenhao Yan , Shuaiya Xue , Xuerui Zhao , Wei Zhang , Jian Li . Hexagonal boron nitride based slippery liquid infused porous surface with anti-corrosion, anti-contaminant and anti-icing properties for protecting magnesium alloy. Chinese Chemical Letters, 2024, 35(4): 109224-. doi: 10.1016/j.cclet.2023.109224
7. [7]
  Hongdao LI , Shengjian ZHANG , Hongmei DONG . Magnetic relaxation and luminescent behavior in nitronyl nitroxide-based annuluses of rare-earth ions. Chinese Journal of Inorganic Chemistry, 2024, 40(5): 972-978. doi: 10.11862/CJIC.20230411
8. [8]
  Hongye Bai , Lihao Yu , Jinfu Xu , Xuliang Pang , Yajie Bai , Jianguo Cui , Weiqiang Fan . Controllable Decoration of Ni-MOF on TiO2: Understanding the Role of Coordination State on Photoelectrochemical Performance. Chinese Journal of Structural Chemistry, 2023, 42(10): 100096-100096. doi: 10.1016/j.cjsc.2023.100096
9. [9]
  Zhao-Bo Hu , Ling-Ao Gui , Long-He Li , Tong-Tong Xiao , Adam T. Hand , Pagnareach Tin , Mykhaylo Ozerov , Yan Peng , Zhongwen Ouyang , Zhenxing Wang , Zi-Ling Xue , You Song . Co^Ⅱ single-ion magnet and its multi-dimensional aggregations: Influence of the structural rigidity on magnetic relaxation process. Chinese Chemical Letters, 2025, 36(2): 109600-. doi: 10.1016/j.cclet.2024.109600
10. [10]
  Qiang Cao , Xue-Feng Cheng , Jia Wang , Chang Zhou , Liu-Jun Yang , Guan Wang , Dong-Yun Chen , Jing-Hui He , Jian-Mei Lu . Graphene from microwave-initiated upcycling of waste polyethylene for electrocatalytic reduction of chloramphenicol. Chinese Chemical Letters, 2024, 35(4): 108759-. doi: 10.1016/j.cclet.2023.108759
11. [11]
  Xiaxia Xing , Xiaoyu Chen , Zhenxu Li , Xinhua Zhao , Yingying Tian , Xiaoyan Lang , Dachi Yang . Polyethylene imine functionalized porous carbon framework for selective nitrogen dioxide sensing with smartphone communication. Chinese Chemical Letters, 2024, 35(9): 109230-. doi: 10.1016/j.cclet.2023.109230
12. [12]
  Yue Ren , Kang Li , Yi-Zi Wang , Shao-Peng Zhao , Shu-Min Pan , Haojie Fu , Mengfan Jing , Yaming Wang , Fengyuan Yang , Chuntai Liu . Swelling and erosion assisted sustained release of tea polyphenol from antibacterial ultrahigh molecular weight polyethylene for joint replacement. Chinese Chemical Letters, 2025, 36(2): 110468-. doi: 10.1016/j.cclet.2024.110468
13. [13]
  Zheng Zhao , Ben Zhong Tang . An efficient strategy enabling solution processable thermally activated delayed fluorescence emitter with high horizontal dipole orientation. Chinese Journal of Structural Chemistry, 2024, 43(6): 100270-100270. doi: 10.1016/j.cjsc.2024.100270
14. [14]
  Zhihong LUO , Yan SHI , Jinyu AN , Deyi ZHENG , Long LI , Quansheng OUYANG , Bin SHI , Jiaojing SHAO . Two-dimensional silica-modified polyethylene oxide solid polymer electrolyte to enhance the performance of lithium-ion batteries. Chinese Journal of Inorganic Chemistry, 2024, 40(5): 1005-1014. doi: 10.11862/CJIC.20230444
15. [15]
  Zhiwei Zhong , Yanbin Huang , Wantai Yang . A simple photochemical method for surface fluorination using perfluoroketones. Chinese Chemical Letters, 2024, 35(5): 109339-. doi: 10.1016/j.cclet.2023.109339
16. [16]
  Yukai Tong , Zhijun Wu , Bo Zhou , Min Hu , Anpei Ye . Surface tension of single suspended aerosol microdroplets. Chinese Chemical Letters, 2024, 35(4): 109062-. doi: 10.1016/j.cclet.2023.109062
17. [17]
  Yu He , Hao Jiang , Shaoxuan Yuan , Jiayi Lu , Qiang Sun . On-surface photo-induced dechlorination. Chinese Chemical Letters, 2024, 35(9): 109807-. doi: 10.1016/j.cclet.2024.109807
18. [18]
  Xin Li , Zhen Xu , Donglei Bu , Jinming Cai , Huamei Chen , Qi Chen , Ting Chen , Fang Cheng , Lifeng Chi , Wenjie Dong , Zhenchao Dong , Shixuan Du , Qitang Fan , Xing Fan , Qiang Fu , Song Gao , Jing Guo , Weijun Guo , Yang He , Shimin Hou , Ying Jiang , Huihui Kong , Baojun Li , Dengyuan Li , Jie Li , Qing Li , Ruoning Li , Shuying Li , Yuxuan Lin , Mengxi Liu , Peinian Liu , Yanyan Liu , Jingtao Lü , Chuanxu Ma , Haoyang Pan , JinLiang Pan , Minghu Pan , Xiaohui Qiu , Ziyong Shen , Shijing Tan , Bing Wang , Dong Wang , Li Wang , Lili Wang , Tao Wang , Xiang Wang , Xingyue Wang , Xueyan Wang , Yansong Wang , Yu Wang , Kai Wu , Wei Xu , Na Xue , Linghao Yan , Fan Yang , Zhiyong Yang , Chi Zhang , Xue Zhang , Yang Zhang , Yao Zhang , Xiong Zhou , Junfa Zhu , Yajie Zhang , Feixue Gao , Yongfeng Wang . Recent progress on surface chemistry Ⅰ: Assembly and reaction. Chinese Chemical Letters, 2024, 35(12): 110055-. doi: 10.1016/j.cclet.2024.110055
19. [19]
  Xin Li , Zhen Xu , Donglei Bu , Jinming Cai , Huamei Chen , Qi Chen , Ting Chen , Fang Cheng , Lifeng Chi , Wenjie Dong , Zhenchao Dong , Shixuan Du , Qitang Fan , Xing Fan , Qiang Fu , Song Gao , Jing Guo , Weijun Guo , Yang He , Shimin Hou , Ying Jiang , Huihui Kong , Baojun Li , Dengyuan Li , Jie Li , Qing Li , Ruoning Li , Shuying Li , Yuxuan Lin , Mengxi Liu , Peinian Liu , Yanyan Liu , Jingtao Lü , Chuanxu Ma , Haoyang Pan , JinLiang Pan , Minghu Pan , Xiaohui Qiu , Ziyong Shen , Qiang Sun , Shijing Tan , Bing Wang , Dong Wang , Li Wang , Lili Wang , Tao Wang , Xiang Wang , Xingyue Wang , Xueyan Wang , Yansong Wang , Yu Wang , Kai Wu , Wei Xu , Na Xue , Linghao Yan , Fan Yang , Zhiyong Yang , Chi Zhang , Xue Zhang , Yang Zhang , Yao Zhang , Xiong Zhou , Junfa Zhu , Yajie Zhang , Feixue Gao , Li Wang . Recent progress on surface chemistry Ⅱ: Property and characterization. Chinese Chemical Letters, 2025, 36(1): 110100-. doi: 10.1016/j.cclet.2024.110100
20. [20]
  Xianxu Chu , Lu Wang , Junru Li , Hui Xu . Surface chemical microenvironment engineering of catalysts by organic molecules for boosting electrocatalytic reaction. Chinese Chemical Letters, 2024, 35(8): 109105-. doi: 10.1016/j.cclet.2023.109105

Get Citation

PDF

XML

Metrics

PDF Downloads(0)
Abstract views(731)
HTML views(37)

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142