INTERACTION BETWEEN POLY (ETHYLENE OXIDE) AND SILICA NANOPARTICLES IN DILUTE SOLUTIONS

Da-peng Wang; Mu-quan Yang; Zhi-xin Dong; Shu-qin Bo; Xiang-ling Ji

doi:10.1007/s10118-013-1321-9

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INTERACTION BETWEEN POLY (ETHYLENE OXIDE) AND SILICA NANOPARTICLES IN DILUTE SOLUTIONS

Special Issue: In Memory of Prof. Bingzheng Jiang | Updated：2023-01-03

- INTERACTION BETWEEN POLY (ETHYLENE OXIDE) AND SILICA NANOPARTICLES IN DILUTE SOLUTIONS
- INTERACTION BETWEEN POLY (ETHYLENE OXIDE) AND SILICA NANOPARTICLES IN DILUTE SOLUTIONS
- Chinese Journal of Polymer Science 2013年31卷第9期页码：1290-1298
- Affiliations：
  
  State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Author bio：
  
  **Xiang-ling Ji (姬相玲), E-mail: xlji@ciac.jl.cn
- Funds：
  
  National Natural Science Foundation of China(50621302;50921062)
- DOI：10.1007/s10118-013-1321-9
  中图分类号：
- 收稿：2013-04-09，
  
  修回：2013-05-12，
  
  录用：2013-05-14，
  
  纸质出版：2013-09
- Accepted：
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Da-peng Wang, Mu-quan Yang, Zhi-xin Dong, 等. INTERACTION BETWEEN POLY (ETHYLENE OXIDE) AND SILICA NANOPARTICLES IN DILUTE SOLUTIONS[J]. Chinese Journal of Polymer Science, 2013,31(9):1290-1298.

Da-peng Wang, Mu-quan Yang, Zhi-xin Dong, et al. INTERACTION BETWEEN POLY (ETHYLENE OXIDE) AND SILICA NANOPARTICLES IN DILUTE SOLUTIONS[J]. Chinese Journal of Polymer Science, 2013, 31(9): 1290-1298.
Da-peng Wang, Mu-quan Yang, Zhi-xin Dong, 等. INTERACTION BETWEEN POLY (ETHYLENE OXIDE) AND SILICA NANOPARTICLES IN DILUTE SOLUTIONS[J]. Chinese Journal of Polymer Science, 2013,31(9):1290-1298. DOI： 10.1007/s10118-013-1321-9.

Da-peng Wang, Mu-quan Yang, Zhi-xin Dong, et al. INTERACTION BETWEEN POLY (ETHYLENE OXIDE) AND SILICA NANOPARTICLES IN DILUTE SOLUTIONS[J]. Chinese Journal of Polymer Science, 2013, 31(9): 1290-1298. DOI： 10.1007/s10118-013-1321-9.

摘要

Abstract

A mixed system that includes poly(ethylene oxide) (PEO) and silica (SiO

) nanoparticles is prepared using two mixing methods. The interaction between PEO and the SiO

nanoparticles in the dilute basic solution is investigated using the dynamic light scattering (DLS) and isothermal titration calorimetry (ITC) techniques. The DLS results show qualitatively that SiO

nanoparticles interact with both random coils and aggregates of PEO through hydrogen bonding

and PEO-SiO

complexes are formed. The degree of disaggregation of aggregates of PEO is readily adjusted by changing the concentration of SiO

nanoparticle suspensions. Moreover

the ITC results also certify quantitatively the interaction between PEO and SiO

nanoparticle

and give the evidence of formation of PEO-SiO

complex.

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