FLUOROALKYL CARBOXYLIC ACID DERIVATIVE, METHOD FOR PRODUCING FLUORINE-CONTAINING POLYMER, AND AQUEOUS DISPERSION OF FLUORINE-CONTAINING POLYMER
申请人:MORITA Shigeru
公开号:US20090298984A1
公开(公告)日:2009-12-03
This invention provides a novel compound which can be properly used as a surfactant, a method of producing a fluoropolymer, surfactant and a fluoropolymer aqueous dispersions using the novel compound. This invention is a fluoroalkylcarboxylic acid derivative which is represented by the general formula (i):
Rf
1
(OCH
2
CF
2
CF
2
)
n1
OCX
1
X
2
CF
2
(Rf
2
)
n2
COOM (i)
wherein Rf
1
represents a straight or branched fluoroalkyl group containing 1 to 20 carbon atoms, which fluoroalkyl group may optionally contain 1 to 5 oxygen atoms in the principal chain thereof, Rf
2
represents a straight or branched fluoroalkylene group containing 1 to 25 carbon atoms, said fluoroalkylene group may optionally contain 1 to 5 oxygen atoms in the principal chain thereof, n1 represents an integer of 0 to 3, n2 represents an integer of 0 or 1, X
1
and X
2
are the same or different and each represents hydrogen atom or fluorine atom, and M represents NH
4
or a monovalent metal element.
本发明提供了一种新型化合物,可适当用作表面活性剂,生产氟聚合物的方法,使用新型化合物制备的表面活性剂和氟聚合物水分散体。本发明是一种氟烷基羧酸衍生物,其由通式(i)表示:Rf1(OCH2CF2CF2)n1OCX1X2CF2(Rf2)n2COOM(i)其中,Rf1表示含有1至20个碳原子的直链或支链氟烷基,该氟烷基在其主链中可以选择性地含有1至5个氧原子;Rf2表示含有1至25个碳原子的直链或支链氟烷基烯基,该氟烷基烯基在其主链中可以选择性地含有1至5个氧原子;n1表示0至3的整数,n2表示0或1的整数,X1和X2相同或不同,分别表示氢原子或氟原子,M表示NH4或一价金属元素。