Interpenetrating polymer networks derived from silylated soybean oil and polydimethylsiloxane

Sudhanwa Dewasthale, Xiangke Shi, Elodie Hablot, Daniel Graiver, Ramani Narayan

Research output: Contribution to journalArticle

  • 5 Citations

Abstract

A series of interpenetrating polymer networks (IPNs) was prepared using various concentrations of silylated soybean oil and polydimethylsiloxane (PDMS) that were cross linked with inorganic silicates. This series of IPNs was prepared from emulsions of silylated soybean oil and PDMS together with colloidal silica and dioctyltin dilaurate catalyst at pH 10. Under these conditions, water soluble silicates reacted with silanols in the oil phase and formed intraparticle siloxane cross links. Upon casting films and evaporation of the water, additional interparticle cross linking were obtained between the coagulating particles to produce entangled networks of soybean oil and PDMS that were further reinforced by fine silica particles. The morphology revealed intimate mixing of the two immiscible components. The mechanical properties depended on the ratio of the soft, flexible PDMS phase and the rigid, brittle cross linked silylated soybean oil phase. These IPNs can be used as high release liners, low friction materials, or as a general protective coating.

LanguageEnglish (US)
Pages2479-2486
Number of pages8
JournalJournal of Applied Polymer Science
Volume130
Issue number4
DOIs
StatePublished - Nov 15 2013

Profile

Soybean oil
Soybean Oil
Interpenetrating polymer networks
Polydimethylsiloxane
Silicates
Silicon Dioxide
Silica
Siloxanes
Friction materials
Water
Protective coatings
Emulsions
Oils
Casting
Evaporation
Mechanical properties
Catalysts
baysilon

Keywords

  • coatings
  • cross linking
  • emulsion polymerization
  • grafting
  • structure-property relations

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics
  • Surfaces, Coatings and Films
  • Chemistry(all)

Cite this

Interpenetrating polymer networks derived from silylated soybean oil and polydimethylsiloxane. / Dewasthale, Sudhanwa; Shi, Xiangke; Hablot, Elodie; Graiver, Daniel; Narayan, Ramani.

In: Journal of Applied Polymer Science, Vol. 130, No. 4, 15.11.2013, p. 2479-2486.

Research output: Contribution to journalArticle

Dewasthale, Sudhanwa ; Shi, Xiangke ; Hablot, Elodie ; Graiver, Daniel ; Narayan, Ramani. / Interpenetrating polymer networks derived from silylated soybean oil and polydimethylsiloxane. In: Journal of Applied Polymer Science. 2013 ; Vol. 130, No. 4. pp. 2479-2486
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