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Surface morphology evaluation of polymer beads based on divinylbenzene by atomic force microscopy
Author(s) -
Neves Márcia A. F. S.,
Coutinho Fernanda M. B.,
Dias Marcos L.,
Simão Renata A.,
Achete Carlos A.
Publication year - 2002
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.10290
Subject(s) - divinylbenzene , suspension polymerization , materials science , copolymer , polymer , styrene , chemical engineering , morphology (biology) , toluene , porosity , polymerization , atomic force microscopy , polymer chemistry , desorption , nanotechnology , chemistry , composite material , organic chemistry , adsorption , biology , engineering , genetics
Macroporous poly(styrene‐ co ‐divinylbenzene) and poly(divinylbenzene) beads were synthesized by modified suspension polymerization in the presence of different mixtures of toluene and heptane as porogen agent. Through atomic force microscopy, it was possible to identify the microspheres and the channels between them that constitute the bead pores. It was also possible to make a comparison with the results obtained by nitrogen desorption, a traditional technique used to determine the porosity of macroporous copolymers in the dry state. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 84: 541–551, 2002; DOI 10.1002/app.10290