Home

Citation: DHEN Jing-Jing, ZHU Chuan-Fang, QIN Zheng-Ni, BAI Yi-Qiong. Effect of Nano-silica Content on Properties of Waterborne Polyurethane Composites[J]. Chinese Journal of Applied Chemistry, ;2008, 25(9): 1047-1051. shu

Effect of Nano-silica Content on Properties of Waterborne Polyurethane Composites

1.
College of Chemistry, Central China Normal University, Wuhan 430079

Corresponding author: ZHU Chuan-Fang,
Received Date: 20 August 2007
Available Online: 20 November 2007
Fund Project: 湖北省科技厅资助项目(2007AA101C35) (2007AA101C35)

We have prepared waterborne polyurethane(WPU) nano-SiO₂ composites by in situ polymerization,during which modified silica sol was first mixed with the N-methyl-pyrolidone(NMP),and then polyme-rization was carried out with the addition of isophorone diiocyanate(IPDI),polycaprolactone(PCL) dimethylol-propionic acid(DMPA) and dibutyltin dilaurate.Effects of nano-silica content on the thermal and mechanical properties of WPU/nano-silica composites were investigated by thermogravimetric analysis(TGA),differential scanning calorimetry(DSC),transmittance electron microscopy(TEM) and dynamic mechanical analysis(DMA).The experiment results show that the nano-silica particles were well dispersed in the WBPU solution when the silica content was lower than 3.0%,a wider T_g gap and higher microphase separation degree between soft and hard segment were observed for WPUNS,and the thermal degradation temperature of the composite was higher than that of a pure WPU at temperature over 50 ℃.Besides,as the nano-silica content was increased from 0 to 0.5%,the elongation at break and water swell were decreased from 550% to 430% and 16.8% to 4.5%,respectively,while,the tensile strength was increased from 3.4 MPa to 5.95 MPa.As the nano-silica content was increased to 2.5%,the elongation at break and water swell decreased to 210% and 2.3%,and the tensile strength increased to 7.58 MPa.
- nanosilica,
- waterborne polyurethane,
- modify,
- morphology,
- property
1. [1]
  Hong Zheng , Xin Peng , Chunwang Yi . The Tale of Caprolactam Cyclic Oligomers: The Ever-changing Life of “Princess Cyclo”. University Chemistry, 2024, 39(9): 40-47. doi: 10.12461/PKU.DXHX202403058
2. [2]
  Ziliang KANG , Jiamin ZHANG , Hong AN , Xiaohua LIU , Yang CHEN , Jinping LI , Libo LI . Preparation and water adsorption properties of CaCl₂@MOF-808 in-situ composite moulded particles. Chinese Journal of Inorganic Chemistry, 2024, 40(11): 2133-2140. doi: 10.11862/CJIC.20240282
3. [3]
  Ke Qiu , Fengmei Wang , Mochou Liao , Kerun Zhu , Jiawei Chen , Wei Zhang , Yongyao Xia , Xiaoli Dong , Fei Wang . A Fumed SiO₂-based Composite Hydrogel Polymer Electrolyte for Near-Neutral Zinc-Air Batteries. Acta Physico-Chimica Sinica, 2024, 40(3): 2304036-0. doi: 10.3866/PKU.WHXB202304036
4. [4]
  Wen YANG , Didi WANG , Ziyi HUANG , Yaping ZHOU , Yanyan FENG . La promoted hydrotalcite derived Ni-based catalysts: In situ preparation and CO₂ methanation performance. Chinese Journal of Inorganic Chemistry, 2024, 40(3): 561-570. doi: 10.11862/CJIC.20230276
5. [5]
  Kai Yang , Gehua Bi , Yong Zhang , Delin Jin , Ziwei Xu , Qian Wang , Lingbao Xing . Comprehensive Polymer Chemistry Experiment Design: Preparation and Characterization of Rigid Polyurethane Foam Materials. University Chemistry, 2024, 39(4): 206-212. doi: 10.3866/PKU.DXHX202308045
6. [6]
  Jianyu Qin , Yuejiao An , Yanfeng Zhang . In Situ Assembled ZnWO₄/g-C₃N₄ S-Scheme Heterojunction with Nitrogen Defect for CO₂ Photoreduction. Acta Physico-Chimica Sinica, 2024, 40(12): 2408002-0. doi: 10.3866/PKU.WHXB202408002
7. [7]
  Yifeng TAN , Ping CAO , Kai MA , Jingtong LI , Yuheng WANG . Synthesis of pentaerythritol tetra(2-ethylthylhexoate) catalyzed by h-MoO₃/SiO₂. Chinese Journal of Inorganic Chemistry, 2024, 40(11): 2155-2162. doi: 10.11862/CJIC.20240147
8. [8]
  Guang-Xu Duan , Queting Chen , Rui-Rui Shao , Hui-Huang Sun , Tong Yuan , Dong-Hao Zhang . Encapsulating lipase on the surface of magnetic ZIF-8 nanosphers with mesoporous SiO₂ nano-membrane for enhancing catalytic performance. Chinese Chemical Letters, 2025, 36(2): 109751-. doi: 10.1016/j.cclet.2024.109751
9. [9]
  Qianqian Zhong , Yucui Hao , Guotao Yu , Lijuan Zhao , Jingfu Wang , Jian Liu , Xiaohua Ren . Comprehensive Experimental Design for the Preparation of the Magnetic Adsorbent Based on Enteromorpha Prolifera and Its Utilization in the Purification of Heavy Metal Ions Wastewater. University Chemistry, 2024, 39(8): 184-190. doi: 10.3866/PKU.DXHX202312013
10. [10]
  Fan Wu , Wenchang Tian , Jin Liu , Qiuting Zhang , YanHui Zhong , Zian Lin . Core-Shell Structured Covalent Organic Framework-Coated Silica Microspheres as Mixed-Mode Stationary Phase for High Performance Liquid Chromatography. University Chemistry, 2024, 39(11): 319-326. doi: 10.12461/PKU.DXHX202403031
11. [11]
  Xinpin Pan , Yongjian Cui , Zhe Wang , Bowen Li , Hailong Wang , Jian Hao , Feng Li , Jing Li . Robust chemo-mechanical stability of additives-free SiO₂ anode realized by honeycomb nanolattice for high performance Li-ion batteries. Chinese Chemical Letters, 2024, 35(10): 109567-. doi: 10.1016/j.cclet.2024.109567
12. [12]
  Linfeng Zhai , Hualin Wang , Yu Liu , Guanglong Qin . Exploration and Practice on Integrating Ideological and Political Education into the Experiment of the Preparation and Performance Measurement of Polyferric Sulfate. University Chemistry, 2025, 40(9): 354-360. doi: 10.12461/PKU.DXHX202410086
13. [13]
  Pengyang FAN , Shan FAN , Qinjin DAI , Xiaoying ZHENG , Wei DONG , Mengxue WANG , Xiaoxiao HUANG , Yong ZHANG . Preparation and performance of rich 1T-MoS₂ nanosheets for high-performance aqueous zinc ion battery cathode materials. Chinese Journal of Inorganic Chemistry, 2025, 41(4): 675-682. doi: 10.11862/CJIC.20240339
14. [14]
  Zijun Huang , Feng Wu , Shaofeng Pi , Saijin Huang , Zhengjun Fang . Knowledge Graph-based Development of AI Curriculum for Inorganic Chemistry Experiments and Exploration of New Teaching Paradigm. University Chemistry, 2025, 40(9): 228-237. doi: 10.12461/PKU.DXHX202504052
15. [15]
  Qingtang ZHANG , Xiaoyu WU , Zheng WANG , Xiaomei WANG . Performance of nano Li₂FeSiO₄/C cathode material co-doped by potassium and chlorine ions. Chinese Journal of Inorganic Chemistry, 2024, 40(9): 1689-1696. doi: 10.11862/CJIC.20240115
16. [16]
  Jianqiao ZHANG , Yang LIU , Yan HE , Yaling ZHOU , Fan YANG , Shihui CHENG , Bin XIA , Zhong WANG , Shijian CHEN . Ni-doped WP₂ nanowire self-standingelectrode: Preparation and alkaline electrocatalytic hydrogen evolution property. Chinese Journal of Inorganic Chemistry, 2025, 41(8): 1610-1616. doi: 10.11862/CJIC.20240444
17. [17]
  Qin Li , Huihui Zhang , Huajun Gu , Yuanyuan Cui , Ruihua Gao , Wei-Lin Dai . In situ Growth of Cd_0.5Zn_0.5S Nanorods on Ti₃C₂ MXene Nanosheet for Efficient Visible-Light-Driven Photocatalytic Hydrogen Evolution. Acta Physico-Chimica Sinica, 2025, 41(4): 2402016-0. doi: 10.3866/PKU.WHXB202402016
18. [18]
  Zeyi Yan , Ruitao Liu , Xinyu Qi , Yuxiang Zhang , Lulu Sun , Xiangyuan Li , Anchao Feng . Exploration of Suspension Polymerization: Preparation and Fluorescence Stability of Perovskite Polystyrene Microbeads. University Chemistry, 2025, 40(4): 72-79. doi: 10.12461/PKU.DXHX202405110
19. [19]
  Jiahong ZHENG , Jingyun YANG . Preparation and electrochemical properties of hollow dodecahedral CoNi₂S₄ supported by MnO₂ nanowires. Chinese Journal of Inorganic Chemistry, 2024, 40(10): 1881-1891. doi: 10.11862/CJIC.20240170
20. [20]
  Yongming Zhu , Huili Hu , Yuanchun Yu , Xudong Li , Peng Gao . Construction and Practice on New Form Stereoscopic Textbook of Electrochemistry for Energy Storage Science and Engineering: Taking Basic Course of Electrochemistry as an Example. University Chemistry, 2024, 39(8): 44-47. doi: 10.3866/PKU.DXHX202312086

Get Citation

PDF

XML

Metrics

PDF Downloads(1)
Abstract views(406)
HTML views(18)

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

Address：Zhongguancun North First Street 2,100190 Beijing, PR China Tel: +86-010-82449177-888

DownLoad: Full-Size Img PowerPoint

Return