Access to Poly{ N ‐[3‐(dimethylamino)propyl](meth)acrylamide} via Microwave‐Assisted Synthesis and Control of LCST‐Behavior in Water | Zendy

Schmitz Sarah | Zendy; Ritter Helmut | Zendy

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Access to Poly{ N ‐[3‐(dimethylamino)propyl](meth)acrylamide} via Microwave‐Assisted Synthesis and Control of LCST‐Behavior in Water

Author(s) -

Schmitz Sarah,

Ritter Helmut

Publication year - 2007

Publication title -

macromolecular rapid communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 154

eISSN - 1521-3927

pISSN - 1022-1336

DOI - 10.1002/marc.200700378

Subject(s) - lower critical solution temperature , methacrylamide , polymer chemistry , polymerization , cyclodextrin , acrylic acid , acrylamide , meth , benzoyl peroxide , monomer , chemistry , copolymer , materials science , polymer , organic chemistry , acrylate

In the present paper, the microwave (MW)‐assisted synthesis of the alkaline N ‐[3‐(dimethylamino)propyl]methacrylamide ( 4 ) and ‐acrylamide ( 5 ) monomers within minutes is described. The reaction was carried out by mixing and subsequent irradiation of 3‐dimethylamino‐1‐propylamine ( 3 ) and (meth)acrylic acid ( 1 / 2 ) without addition of solvent. After polymerization, the obtained homopolymers ( 6 / 7 ) exhibit lower critical solution temperature (LCST) behavior in water at 35 °C only at pH = 14. The LCST‐behavior can be influenced by N ‐oxidation of the tertiary amino group with hydrogen peroxide or by formation of a polymer‐inclusion complex ( 6a ) of 6 and β ‐cyclodextrin ( β ‐CD) by addition of randomly‐methylated β ‐CD.

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