Films from soft-core/hard-shell hydrophobic latexes: Structure and thermomechanical properties

Structured latexes provide a promising route to hard coatings without the use of coalescing aids. We studied the thermomechanical properties of films from structured soft‐core/hard‐shell hydrophobic latexes. We found that the mechanical properties of these films were closely related to their very pa...

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Published inJournal of polymer science. Part B, Polymer physics Vol. 38; no. 23; pp. 2989 - 3000
Main Authors Domingues Dos Santos, Fabrice, Fabre, Pascale, Drujon, Xavier, Meunier, Gilles, Leibler, Ludwik
Format Journal Article
LanguageEnglish
Published New York John Wiley & Sons, Inc 01.12.2000
Wiley
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Summary:Structured latexes provide a promising route to hard coatings without the use of coalescing aids. We studied the thermomechanical properties of films from structured soft‐core/hard‐shell hydrophobic latexes. We found that the mechanical properties of these films were closely related to their very particular organization. When the rigid phase was continuous, whatever its volume fraction, the films exhibited a high elastic modulus. An analysis of the viscoelastic properties of the films provided a good method for obtaining information about the interphase between the hard shell and soft core of the latex particles. By varying the film structure through annealing or the particle composition (core/shell ratio, core crosslinking, etc.), we were able to tune the mechanical properties of the films. © 2000 John Wiley & Sons, Inc. J Polym Sci B: Polym Phys 38: 2989–3000, 2000
Bibliography:ArticleID:POLB10
istex:3A98C58D04F20CE3B6C8C83202A53155A3D08783
ark:/67375/WNG-BNDWRSN6-R
ISSN:0887-6266
1099-0488
DOI:10.1002/1099-0488(20001201)38:23<2989::AID-POLB10>3.0.CO;2-D