A Study of Complex Formation Between Polyacrylic Acid and Poly(Ethylene Oxide) by Near Resonance Rayleigh Scattering

被引：6
|
作者：
Li, Yunbo [1 ]
Li, Haixia [1 ,2 ]
Sun, Yantao [1 ]
Chen, Xudong [2 ]
Zhu, Yubin [1 ]
机构：
[1] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200072, Peoples R China
[2] Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China
来源：
APPLIED SPECTROSCOPY | 2010年 / 64卷 / 06期
关键词：
Complexation; Resonance Rayleigh scattering; RRS; Near resonance Rayleigh scattering; NRRS; Polyacrylic acid; Poly(ethylene oxide); Phase segregation; LIGHT-SCATTERING; POLY(ACRYLIC ACID); GOLD NANOPARTICLES; NONLINEAR SCATTERING; SERUM; PH; FLUORESCENCE; RESOLUTION; PORPHYRIN; GLYCOL);
D O I：
10.1366/000370210791414371
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A series of near resonance Rayleigh scattering (NRRS) experiments has been performed on the phase behavior of complex formation between polyacrylic acid (PAA) and poly(ethylene oxide) (POE). On the basis of the theory of resonance scattering, as one new method compared to resonance Rayleigh scattering (RRS), NRRS was demonstrated to investigate polymer solutions. The results indicated that the complex formation induces an increase of the intensity of resonance scattering and the phase segregation leads to distortion of the resonance scattering spectrum with decreasing pH value. The collapse of macromolecular chains is attributed to the contraction of PAA chains and association between PAA and POE. Moreover, NRRS can show more information than RRS on the basis of their scattering spectra.
引用
收藏
页码：682 / 686
页数：5
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