C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 33/16 (2006.01) B08B 17/00 (2006.01) C08L 23/02 (2006.01) C08L 25/18 (2006.01) C08L 27/02 (2006.01) C08L 29/10 (2006.01) C08L 31/02 (2006.01) C08L 33/14 (2006.01) C08L 33/26 (2006.01) C08L 35/02 (2006.01) D06M 15/277 (2006.01) C09D 5/16 (2006.01)
Patent
CA 2686481
Disclosed is a fluorine-containing stain-proofing agent composition using a short chain perfluoroalkyl group, which is excellent in stain-proofing property, water repellency and oil repellency, while exhibiting good durability against washing. Specifically disclosed is a stain-proofing agent composition containing a fluorine-containing copolymer which contains 30-65% by mass of a polymerization unit (a) having a perfluoroalkyl group with 1-6 carbon atoms, 1-67% by mass of a polymerization unit (b1) having a -(C2H4O)- group, and 3-34% by mass of a polymerization unit (b2) having a -(C4H8O)- group. In the fluorine-containing copolymer, the -(C2H4O)- group is contained in an amount of 20-65% by mass and the -(C4H8O)- group is contained in an amount of 2-13% by mass.
L'invention porte sur une composition d'agent anti-tâches, à teneur en fluor, utilisant un groupe perfluoroalkyle à chaîne courte, qui présente d'excellentes propriétés anti-tâches, hydrophobe et oléophobe, tout en présentant une bonne durabilité vis-à-vis du lavage. De façon spécifique, l'invention porte sur une composition d'agent anti-tâches contenant un copolymère à teneur en fluor qui contient 30-65 % en masse d'une unité de polymérisation (a) ayant un groupe perfluoroalkyle avec 1-6 atomes de carbone, 1-67 % en masse d'une unité de polymérisation (b1) ayant un groupe -(C2H4O)-, et 3-34 % en masse d'une unité de polymérisation (b2) ayant un groupe -(C4H8O)-. Dans le copolymère contenant du fluor, le groupe -(C2H4O)- est contenu dans une quantité de 20-65 % en masse et le groupe -(C4H8O)- est contenu dans une quantité de 2-13 % en masse.
Hara Hiroyuki
Hirono Takao
Maekawa Takashige
Sugimoto Shuichiro
Asahi Glass Company Limited
Smart & Biggar
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