Polymeric amines by chemical modifications of alternating aliphatic polyketones

• Published in: Journal of applied polymer science Vol. 107; no. 1; pp. 262 - 271
• Main Authors: Zhang, Youchun, Broekhuis, A.A, Stuart, Marc C.A, Picchioni, F
• Format: Journal Article
• Language: English
• Published: Hoboken Wiley Subscription Services, Inc., A Wiley Company 05.01.2008; Wiley
• Subjects: Applied sciences; Chemical modifications; Chemical reactions and properties; Exact sciences and technology; functional polymers; Organic polymers; Paal-Knorr; Physicochemistry of polymers; polyketones; polymeric amines; Cyclodehydration; Pyrrole derivative copolymer; polyketones; Non ionic surfactant; Fluorescence; Paal-Knorr; Surfactant polymer; Ketone polymer; Experimental study; functional polymers; Ketone copolymer; Polyelectrolyte; Diamine; Chemical modification; Steric effect; Aliphatic polymer; chemical modifications; Alternating copolymer; Kinetics; Aqueous solution; polymeric amines; Amine copolymer
• ISSN: 0021-8995; 1097-4628
• DOI: 10.1002/app.27029

Alternating, aliphatic polyketones were chemically modified by using di-amines to obtain polymeric products having pendant amino groups. The used reaction, Paal-Knorr, involves the formation of pyrrole rings along the polyketone backbone. The corresponding kinetics and final conversions are clearly dependent, among others, on statistical factors (two adjacent carbonyls must react in order to obtain ring formation) as well as on the steric hindrance (sterically hindered amino groups react very slow). The corresponding reaction products (polymeric amines) display very interesting physical properties in aqueous solution. These have been characterized by using dynamic light scattering, Cryo-electron microscopy, fluorescence techniques, etc. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2008