Phase relationships of an equivalent mixture of sulfated polyvinyl alcohol and aminoacetalyzed polyvinyl alcohol in microsalt aqueous solution

✍ Scribed by Akio Nakajima; Hiroko Sato

• Publisher: Wiley (John Wiley & Sons)
• Year: 1972
• Tongue: English
• Weight: 568 KB
• Volume: 11
• Category: Article
• ISSN: 0006-3525
• DOI: 10.1002/bip.1972.360110704

✦ Synopsis

A new type of polymer salt was prepared from an equivalent mixture of partly sulfated polyvinyl alcohol (polyanion, Q -) and partly aminoacetalyzed polyvinyl alcohol (polycation, P +). With respect to a three-component system composed of this polymer salt (P+Q-), water, and a microsalt (K+A-), phase relationships, as represented by complex coacervation, were investigated. Experimental results were discussed according to a theoretical equation for the free energy of mixing derived by taking into account the entropy and enthalpy contributions as ascribed for non-ionic polymer solution, and the electrostatic free energy expression as derived by Voorn.