C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/28 (2006.01) A61L 15/24 (2006.01) A61L 15/42 (2006.01) C08F 2/32 (2006.01)
Patent
CA 2276033
Disclosed are polymeric foam materials obtained using monomers based on silicon and/or germanium. The copolymerization of silicon- or germanium-based monomers provide foams that have low glass transition temperatures and low densities. These foams also exhibit relatively high yield stress values, which make the foams suitable for absorption of fluids, particularly aqueous fluids such as urine and menses (when the foams are rendered hydrophilic). The foams have a variety of other uses, including insulation applications.
La présente invention concerne des matériaux de mousse polymère fabriqués à partir de monomères à base de silicium ou de germanium. La copolymérisation de monomères à base de silicium ou de germanium permet d'obtenir des mousses dotées de basses températures de transition vitreuse et de faibles densités. Ces mousses présentent également des limites apparentes d'élasticité de valeur relativement élevée, ce qui les rend propres à absorber les fluides, en particulier les fluides aqueux tels que l'urine et les menstruations (lorsque lesdites mousses ont été rendues hydrophiles). Ces mousses conviennent pour toute une gamme d'applications différentes, y compris l'isolation.
Dyer John Collins
Retzsch Herbert Louis
Sim & Mcburney
The Procter & Gamble Company
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