Elsevier

Progress in Organic Coatings

Volume 21, Issue 1, 21 September 1992, Pages 25-35
Progress in Organic Coatings

Coatings containing microgels: II. Moisture vapor permeable coatings

https://doi.org/10.1016/0033-0655(92)80009-LGet rights and content

Abstract

Elastic ‘breather’ paints, permeable to moisture vapor, have been formulated with low Tg latex polymers, utilizing microgels produced via an emulsion polymerization process. These microgels were designed to have a hydrophilic sheath surrounding a crosslinked acrylic core. The moisture vapor transmission rates of the films were measured and showed a 10-fold increase when the microgel was included in the formulation, with no sacrifice of either the water-resistance property or the carbon dioxide gas barrier performance. Low molecular weight surfactants were tried as an alternative to the microgels, but failed to attain the improved permeation performance. TEM observation demonstrates that the microgels segregate within the interfacial space between the coalescing latex particles, forming a fine percolating texture. The mechanism for moisture vapor permeation through the films which contain microgels is discussed in more detail.

References (6)

  • F.B. Stieg

    Prog. Org. Coat.

    (1973)
  • S. Ishikura et al.

    Prog. Org. Coat.

    (1988)
  • W. Funke

    J. Oil Colour Chem. Assoc.

    (1977)
There are more references available in the full text version of this article.

Cited by (9)

  • Functional polymer microspheres

    2000, Progress in Polymer Science (Oxford)
  • Synthesis of microgels and their application to coatings

    1999, Colloids and Surfaces A: Physicochemical and Engineering Aspects
  • Polymer blend systems for water-borne paints

    1998, Progress in Organic Coatings
  • Fabrication and functionalization of polymer microspheres for application in catalysis and in separation science

    2014, Microspheres: Technologies, Applications and Role in Drug Delivery Systems
  • Water vapor and CO<inf>2</inf> permeabilities of acrylic latex coatings

    2001, Journal of Industrial and Engineering Chemistry
View all citing articles on Scopus
View full text