C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 73/02 (2006.01) A62D 1/02 (2006.01) C08L 79/02 (2006.01) D21H 17/56 (2006.01) D21H 21/16 (2006.01)
Patent
CA 2358842
Perfluoroalkyl-substituted amino acid oligomers or polymers obtainable from (A) an aliphatic diamino acid having 3 to 10 carbon atoms such as lysine, (B) a chain extender such as epichlorohydrin, a dihalide or an aliphatic diepoxide, (C) an amino-reactive allyl compound and (D) a perfluoroalkyl iodide, and optionally, other reactants, are useful as grease-proofing agents for paper and are excellent foam stabilizers for Aqueous Fire-Fighting Foam (AFFF) formulations used on polar solvent fires.
L'invention concerne des polymères ou des oligomères d'aminoacide à substitution perfluoroalkyle, que l'on obtient à partir de : (A) un acide diamino aliphatique possédant 3 à 10 atomes de carbone, tel que la lysine, (B) un allongeur de chaîne, tel que l'épichlorhydrine, un dihalogénure ou un diépoxyde aliphatique, (C) un composé d'allyle amino-réactif, (D) un iodure de perfluoroalkyle, et éventuellement, d'autres réactifs. Lesdits polymères ou oligomères sont utiles en tant qu'agents de protection contre la graisse et sont d'excellents stabilisateurs de mousse pour les formules de moussage aqueuses, d'extinction contre l'incendie, utilisées sur les incendies de solvants polaires.
Chemguard Incorporated
Ciba Specialty Chemicals Holding Inc.
Kirby Eades Gale Baker
LandOfFree
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