Microstructure and mechanical properties studies of poly(vinyl alcohol)–lead salts complexes | Zendy

Bakr N. A. | Zendy; AbdelHamid M. I. | Zendy; ElHanafy O. | Zendy

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Microstructure and mechanical properties studies of poly(vinyl alcohol)–lead salts complexes

Author(s) -

Bakr N. A.,

AbdelHamid M. I.,

ElHanafy O.

Publication year - 1995

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1995.070550306

Subject(s) - vinyl alcohol , microstructure , casting , polymer chemistry , materials science , salt (chemistry) , alcohol , chemical engineering , chemistry , organic chemistry , composite material , polymer , engineering

Poly(vinyl alcohol) (PVA) was found to form complexes with PbCl 2 , Pb(NO 3 ) 2 , and Pb(CH 3 COO) 2 . Different complex compositions were prepared by casting technique. Microdomains were observed in the case of the PbCl 2 ‐PVA system. Complexes of PbCl 2 ‐PVA system are somicrystalline over the entire composition range. PbCl 2 ‐PVA complexes are stable to temperatures greater than 350°C in comparison to 225°C of pure PVA. The general features of the microdomains depends upon the temperature and the salt concentration. The hardness properties of the binary mixture were found to change in a nonlinear mode exhibiting a maximum value with the increase of the PbCl 2 content and in a linear mode for the other salts. © 1995 John Wiley & Sons, Inc.

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