C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 33/16 (2006.01) C08K 5/06 (2006.01) C08L 71/02 (2006.01) C09K 3/18 (2006.01) D06M 15/277 (2006.01) D06M 15/53 (2006.01)
Patent
CA 2515131
An aqueous emulsion composition excellent in stabilities to impurities and mechanical action, which is obtained by adding (B) a surfactant represented by the general formula: R1O-(CH2CH2O)p-(R2O)q-R3 [wherein R1 is alkyl or alkenyl; R2 is alkylene; R3 is hydrogen, alkyl, or alkenyl; and p is a number of 2 or above and q is a number of 1 or above with the proviso that p and q must be numbers which give a polyoxyethylene block content of 5 to 80 wt% based on the whole of the molecule] to (A) an aqueous resin emulsion containing a fluoropolymer.
L'invention porte sur une émulsion aqueuse excellente du point de vue de la stabilité en présence d'impuretés et de l'action mécanique. On l'obtient en ajoutant à l'émulsion (A) de résine aqueuse contenant un fluoropolymère, un tensio-actif (B) de formule générale: R?1¿O-(CH¿2?CH¿2?O)¿p?-(R?2¿O)¿q?-R?3¿ [dans laquelle: R?1¿ est alkyle ou alcényle; R?2¿ est alkylène; R?3¿ est hydrogène, alkyle, ou alcényle; et p est un nombre de 2 ou plus, et q est un nombre de 1 ou plus sous réserve que p et q soient tels que la teneur en blocs polyoxyéthylène représente de 5 à 80% en poids de la totalité de la molécule].
Aga Tsukasa
Ioki Masato
Miyahara Masahiro
Sakashita Hirotoshi
Daikin Industries Ltd.
Kirby Eades Gale Baker
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