CROSSLINKABLE COMPOSITIONS BASED ON VINYLIDENE FLUORIDE-TRIFLUOROETHYLENE POLYMERS
申请人:SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
公开号:US20140378621A1
公开(公告)日:2014-12-25
The present invention relates to crosslinkable compositions comprising vinylidene fluoride (VDF)/trifluoroethylene (TrFE) polymers and a fluorine-containing crosslinking agent of formula (A) [agent (Cz)]: N
3
[S(O)
g1
]
s1
}
na
—(R
H
)
nh
—R
f
—(R′
H
)
nh′
—[S(O)
g2
],
s2
N
3
}
na′
, formula (A) wherein each of g1 and g2, equal to or different from each other, is 1 or 2, each of s1 and s2, equal to or different from each other, is 0 or 1, each of na and na′ is independently zero or an integer of 1 to 3, provided that the sum na+na′ is at least 2, each of R
H
and R′
H
, equal to or different from each other, is a C
1
-C
12
hydrocarbon group free of fluorine atoms, nh and nh′, equal or different from each other are independently 0 or 1, and R
f
is selected from the group consisting of i) a C
3
-C
20
fluorocarbon group, possibly comprising one or more ethereal oxygen atoms, ii) an oligomer comprising copolymerized units of vinylidene fluoride and trifluoroethylene, to a process for the manufacture of said compositions, to a method for curing the same, and to the use of said copolymers in electrical and electronic devices.
本发明涉及交联性组合物,其包括乙烯基氟化物(VDF)/三氟乙烯(TrFE)聚合物和含氟交联剂的化学式(A)[剂(Cz)]:N3 [S(O)g1]s1} na—(RH)nh—Rf—(R′H)nh′—[S(O)g2],s2N3} na′,其中g1和g2分别为1或2,s1和s2分别为0或1,na和na'分别独立地为0或1至3的整数,前提是na + na'至少为2,RHand R′H分别相同或不同,是不含氟原子的C1-C12碳氢基团,nh和nh'相等或不等,独立地为0或1,而Rf选自以下组:i)C3-C20氟碳基团,可能包括一个或多个乙氧基氧原子,ii)包括共聚乙烯基氟化物和三氟乙烯单元的寡聚物。本发明还涉及制造该组合物的方法、固化该组合物的方法以及在电子设备中使用该共聚物的方法。