STUDY ON A HYDROPHOBIC-HYDROPHILIC GRADIENT ROD*

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STUDY ON A HYDROPHOBIC-HYDROPHILIC GRADIENT ROD*

Papers | Updated：2021-06-21

- STUDY ON A HYDROPHOBIC-HYDROPHILIC GRADIENT ROD*
- Vol. 22, Issue 2, Pages: 131-135(2004)
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- Published：20 April 2004
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STUDY ON A HYDROPHOBIC-HYDROPHILIC GRADIENT ROD*[J]. 2004, 22(2): 131-135.
DOI：

STUDY ON A HYDROPHOBIC-HYDROPHILIC GRADIENT ROD*[J]. 2004, 22(2): 131-135. DOI：

摘要

A hydrophobic-hydrophilic gradient rod with a length of 40 mm and a diameter of 3 mm was prepared by heating a polymethylsilsesquioxane rod in a cylindrical stove with temperature gradient. The rod was thus pyrolyzed under a temperature gradient condition. The organic end of the gradient rod appears hydrophobic with a contact angle of 109.9°while the other end is hydrophilic with a contact angle of 62.4°. The gradient chemical structure and the gradient microstructure along the rod were characterized by FTIR and SEM

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