这是一种含有氟的聚氨酯化合物,化学式为[Rf-A1-Z-X1-OC(=O)NH-]m I [-NHC(=O)O-Y1]n[-NHC(=O)O-((ClCH2-)X2O)α-R1]k。其中,I表示从聚异氰酸酯化合物中去除异氰酸基后得到的基团,Rf表示具有1-21个碳原子的全氟烷基,A1表示直接连接或具有1-21个碳原子的二价有机基团,Z表示-S-或-SO2-,X1表示具有1-5个碳原子的直链或支链脂肪族基团,可以具有至少一个羟基,X2表示具有2-5个碳原子的直链或支链脂肪族基团,是三价的,Y1表示可以具有羟基的一价有机基团,R1表示氢原子或具有1-10个碳原子的烷基。
这是一种含有氟的聚氨酯化合物,化学式为[Rf-A1-Z-X1-OC(=O)NH-]m I [-NHC(=O)O-Y1]n[-NHC(=O)O-((ClCH2-)X2O)α-R1]k。其中,I表示从聚异氰酸酯化合物中去除异氰酸基后得到的基团,Rf表示具有1-21个碳原子的全氟烷基,A1表示直接连接或具有1-21个碳原子的二价有机基团,Z表示-S-或-SO2-,X1表示具有1-5个碳原子的直链或支链脂肪族基团,可以具有至少一个羟基,X2表示具有2-5个碳原子的直链或支链脂肪族基团,是三价的,Y1表示可以具有羟基的一价有机基团,R1表示氢原子或具有1-10个碳原子的烷基。
Fluorine-containing urethanes represented by the general formula:
[Rf-A
1
-Z-X
1
—OC(═O)NH—]
m
I[—NHC(═O)O—Y
1
]
n
[—NHC(═O)O—(ClCH
2
—)X
2
O)
a
—R
1
]
k
(1)
wherein I is a group derived from a polyisocyanate by removal of the isocyanato groups; Rf is perfluoroalkyl of 1 to 21 carbon atoms; A
1
is a direct bond or an organic group of 1 to 21 carbon atoms; Z is —S— or —SO
2
—; X
1
is a divalent, straight-chain or branched, C
1-5
aliphatic group which may have at least one hydroxyl group; X
2
is a trivalent, straight-chain or branched, C
2-5
aliphatic group; Y
1
is a monovalent organic group which is optionally hydroxylated; and R
1
is hydrogen or alkyl of 1 to 10 carbon atoms.
Disclosed is a composition containing a fluorine-containing urethane compound (A) and a fluorine-containing polymer (B) having a repeating unit derived from a fluorine-containing monomer represented by the following formula (I):
CH
2
═C(—X)—C(═O)-A-Rf (I)
(wherein X represents a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a CFX
1
X
2
group (wherein X
1
and X
2
respectively represent a hydrogen atom, a fluorine atom or a chlorine atom), a cyano group, a straight or branched chain fluoroalkyl group having 1-20 carbon atoms, a substituted or unsubstituted benzyl group, or a substituted or unsubstituted phenyl group;
A represents a divalent group; and Rf represents a straight or branched chain perfluoroalkyl group having 1-6 carbon atoms).
Disclosed is a composition containing a fluorine-containing urethane compound (A) and a fluorine-containing polymer (B) having a repeating unit derived from a fluorine-containing monomer represented by the following formula (I):
CH2═C(—X)—C(═O)-A-Rf (I)
(wherein X represents a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a CFX1X2 group (wherein X1 and X2 respectively represent a hydrogen atom, a fluorine atom or a chlorine atom), a cyano group, a straight or branched chain fluoroalkyl group having 1-20 carbon atoms, a substituted or unsubstituted benzyl group, or a substituted or unsubstituted phenyl group;
A represents a divalent group; and
Rf represents a straight or branched chain perfluoroalkyl group having 1-6 carbon atoms).
Fluorine-containing urethanes represented by the general formula:
[Rf-A1-Z—X1—OC(═O)NH—]mI[—NHC(═O)O—Y1]n[—NHC(═O)O—(ClCH2—)X2O)a—R1]k (1)
wherein I is a group derived from a polyisocyanate by removal of the isocyanato groups; Rf is perfluoroalkyl of 1 to 21 carbon atoms; A1 is a direct bond or an organic group of 1 to 21 carbon atoms; Z —SO2—; X1 is a divalent, straight-chain or branched, C1-5 aliphatic group which may have at least one hydroxyl group; X2 is a trivalent, straight-chain or branched, C2-5 aliphatic group; Y1 is a monovalent organic group which is optionally hydroxylated; and R1 is hydrogen or alkyl of 1 to 10 carbon atoms.
Fluorine-containing urethanes represented by the general formula:
[Rf-A1-Z-X1-OC(=O)NH-]m I [-NHC(=O)O-Y1]n [-NHC(=O)O-((ClCH2-)X2O)a-R1]k (1)
wherein I is a group derived from a polyisocyanate by removal of the isocyanato groups; Rf is perfluoroalkyl of 1 to 21 carbon atoms; A1 is a direct bond or an organic group of 1 to 21 carbon atoms; Z is -S- or -SO2-; X1 is a divalent, straight-chain or branched, C1-5 aliphatic group which may have at least one hydroxyl group; X2 is a trivalent, straight-chain or branched, C2-5 aliphatic group; Y1 is a monovalent organic group which is optionally hydroxylated; and R1 is hydrogen or alkyl of 1 to 10 carbon atoms.