Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0032-3861(99)00052-X
Title: Specific interactions in complexes of poly(N-methyl-4-piperidyl methacrylate) and poly(styrenesulfonate) salt
Authors: Goh, S.H. 
Lee, S.Y. 
Luo, X.
Huan, C.H.A. 
Keywords: Poly(N-methyl-4-piperidyl methacrylate)
Poly(styrenesulfonate) salt
X-ray photoelectron spectroscopy
Issue Date: Jan-2000
Citation: Goh, S.H., Lee, S.Y., Luo, X., Huan, C.H.A. (2000-01). Specific interactions in complexes of poly(N-methyl-4-piperidyl methacrylate) and poly(styrenesulfonate) salt. Polymer 41 (1) : 211-217. ScholarBank@NUS Repository. https://doi.org/10.1016/S0032-3861(99)00052-X
Abstract: Poly(N-methyl-4-piperidyl methacrylate) (PMPMA) was blended with the lithium or zinc salt of poly(styrenesulfonate) (PSSLi and PSSZn, respectively). PMPMA formed complexes with PSSZn but not with PSSLi in water/ethanol (2:1) solutions, indicating the presence of a strong interaction between PSSZn and PMPMA. PMPMA is immiscible with PSSLi as shown by the appearance of two glass transitions in each blend. Fourier transform infrared spectroscopic measurements showed a shift of the Bohlmann band in all the PMPMA/PSSZn complexes but not in the PMPMA/PSSLi blends. X-ray photoelectron spectroscopic (XPS) studies showed the development of high-binding-energy (BE) N 1s peaks in all the PMPMA/PSSZn complexes but not in the PMPMA/PSSLi blends. Interaction between PMPMA and Zn2+ is also evidenced by the development of a low-BE S 2p doublet and a low-BE Zn 2p(3/2) peak in each complex. Therefore, XPS reveals the existence of coordination between Zn2+ and PMPMA but not between Li+ and PMPMA. The coordination number of Zn2+ is estimated to be 2 from the XPS results. The coordination interaction between Zn2+ and PMPMA is stronger than that between Zn2+ and poly(4-vinylpyridine).
Source Title: Polymer
URI: http://scholarbank.nus.edu.sg/handle/10635/94856
ISSN: 00323861
DOI: 10.1016/S0032-3861(99)00052-X
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