Amphiphilic derivatives of poly(acrylic acid) as stabilizer in emulsion polymerisation

Poly(acrylic acid)s of various molecular weights and different degree of hydrophobic modification have been synthesized by a polymer analogous reaction with tetradecylamine or copolymerization with styrene. Testing these amphiphilic polymers as stabilizers for the emulsion polymerization of styrene...

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Bibliographic Details
Published in:Macromolecular rapid communications. 1997-04, Vol.18 (4), p.295-302
Main Authors: Antonietti, Markus, Weißenberger, Markus C.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymers with particular properties
Preparation, kinetics, thermodynamics, mechanism and catalysts
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Summary:Poly(acrylic acid)s of various molecular weights and different degree of hydrophobic modification have been synthesized by a polymer analogous reaction with tetradecylamine or copolymerization with styrene. Testing these amphiphilic polymers as stabilizers for the emulsion polymerization of styrene reveals that well stabilized latices are obtained within a certain range of molecular weight and hydrophobicity. As an example, the addition of 1 wt.‐% polymer with respect to the monomer allows the synthesis of polystyrene latices with a radius of about 100 nm in the absence of ionic initiators or polar comonomers.
ISSN:1022-1336
1521-3927
DOI:10.1002/marc.1997.030180405