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Surfactant-free miniemulsion polymerization ofn-BA/S stabilized by NaMMT : films with improved water resistance
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Bonnefond, Audrey, Paulis, Maria, Bon, Stefan Antonius Franciscus and Leiza, José R. (2013) Surfactant-free miniemulsion polymerization ofn-BA/S stabilized by NaMMT : films with improved water resistance. Langmuir, Volume 29 (Number 7). pp. 2397-2405. doi:10.1021/la3047033
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Official URL: http://dx.doi.org/10.1021/la3047033
Abstract
The use of sodium montmorillonite clay as a stabilizer in the surfactant-free emulsion polymerization of n-butyl acrylate/styrene (n-BA/S) was assessed. It was shown that the use of the clay alone did not yield the desired armored latex particles. A functional comonomer, that is, a phosphate ester of poly(ethylene glycol) monomethacrylate, was used to improve the interaction between the polymer and clay, thus allowing for the clay platelets to adhere to the surface of the polymer particles. The morphology of the films obtained for these two different scenarios was similar and resembled a honeycomb structure. However, their water-resistance properties differed drastically. The water absorption and water vapor permeation rate were much lower in the hybrid n-BA/S/clay films in the presence of the functional monomer than in the films obtained without the functional monomer.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science > Chemistry | ||||
| Journal or Publication Title: | Langmuir | ||||
| Publisher: | American Chemical Society | ||||
| ISSN: | 0743-7463 | ||||
| Official Date: | July 2013 | ||||
| Dates: |
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| Volume: | Volume 29 | ||||
| Number: | Number 7 | ||||
| Page Range: | pp. 2397-2405 | ||||
| DOI: | 10.1021/la3047033 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | European Union (EU) , Basque Government, UPV/EHU , Welcome Trust , National Program for the Promotion of Human Ressources within the National Plan of Scientific Research, Development and Innovation-Fondo Social Europeo, Gobierno Vasco and MCyT | ||||
| Grant number: | FP7-NMP-2009-SMALL-246434 (EU); GV-IT-303-10 (Basque Government); UFI 11/56 (UPV/EHU); 055663/Z/98/Z (Welcome Trust) |
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