XPS Study of Static Adsorption of HPAM on SiO2

Abstract

Abstract: The relationship between the concentration of partially hydrolyzed polyacrylamide(HPAM) and the quantity of HPAMadsorbed on the SiO₂ surface was studied.The X-rayphotoelectron spectroscopy(XPS) was used to investigate the interaction between the poly-mer molecules and the adsorbent surface.The experimental results show that the adsorptionof HPAMon SiO₂ surface is consistent with Langmuir model.XPSanalysis of the samplessurface shows that the N/Si atomic concentration ratio reflects the quantity of HPAMad-sorbed on the SiO₂ surface, and the increase of N15, binding energy is related to the formationof the hydrogen-bonding between the HPAMmolecules and the SiO₂ surface.

Key words: HPAM, XPS, SiO₂, Static adsorption

TrendMD:

YANG Ji-Ping, LI Hui-Sheng, HUANG Peng-Cheng. XPS Study of Static Adsorption of HPAM on SiO₂[J]. Chem. J. Chinese Universities, 1997, 18(4): 647.

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XPS Study of Static Adsorption of HPAM on SiO₂

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