Preparation and surfactancy of branched copolymers from poly(oxyalkylene)-amine and trichlorotriazine coupling
Journal
Journal of Applied Polymer Science
Journal Volume
96
Journal Issue
1
Pages
29-36
Date Issued
2005
Author(s)
Abstract
A family of branched and block copolymers consisting of poly(oxyalkylene) segments was prepared by using 2,4,6-trichloro-l,3,5-triazine as the amine coupling agent. The copolymers were characterized to have a high molecular weight of up to 22,600 g/mol (Mn) and be thermally stable due to the presence of triazine cores and reactive chloride functionalities. Using the trifunctional poly(oxypropylene)-block amines as the starting material and a two-step coupling process, the prepared copolymers are star-shape or branched, multiple-block copolymers, with a versatile solubility in water or organic solvents. Further variation in amine structures of hydrophobic poly(oxypropylene) (POP-) and hydrophilic poly(oxyethylene) (POE-) blocks may allow the prepared copolymers to be amphiphilic. As an example, the triazine/POP T-5000/POE ED-2001 copolymer behaves as a surfactant and exhibits the capability of reducing toluene/water interfacial tension until 1.3 mN/m at critical association concentration as low_as 0.001 wt %. ©2005 Wiley Periodicals, Inc.
SDGs
Type
journal article