JP2018135516A5

JP2018135516A5 -

Info

Publication number: JP2018135516A5
Application number: JP2018028136A
Authority: JP
Filing date: 2018-02-20
Publication date: 2021-02-12
Anticipated expiration: 2038-02-20

Claims

A monovalent group having a perfluoropolyether structure, a first organosilicon compound (A) in which a hydrolyzable group is bonded to a silicon atom, and
A second organosilicon compound (B) having a hydrolyzable group bonded to a silicon atom and not having a perfluoropolyether structure,
A mixed composition of a compound having a periodic table Group 13 metal element,
A mixed composition in which the first organosilicon compound (A) is a compound represented by the following formula (a3) or (a4) .

In the above formula (a3), R ³⁰ is a perfluoroalkyl group having 2 to 6 carbon atoms, and R ³¹ and R ³² are independently perfluoroalkylene groups having 2 to 6 carbon atoms. R ³³ is a trivalent saturated hydrocarbon group having 2 to 6 carbon atoms, R ³⁴ is an alkyl group having 1 to 3 carbon atoms, h1 is 5 to 70, and h2 is 1 to 5. , H3 is 1-10.

In the above formula (a4), R ⁴⁰ is a perfluoroalkyl group having 2 to 5 carbon atoms , R ⁴¹ is a perfluoroalkylene group having 2 to 5 carbon atoms , and R ⁴² is a perfluoroalkylene group having 2 to 5 carbon atoms. A part of the hydrogen atom of the alkylene group is a fluoroalkylene group substituted with fluorine, R ⁴³ and R ⁴⁴ are independently alkylene groups having 2 to 5 carbon atoms, and R ⁴⁵ is a methyl group or an ethyl group. Yes, k1, k2, and k3 are independently integers of 1 to 5.

The mixed composition according to claim 1, wherein the compound having a metal element of Group 13 of the periodic table is a complex having a metal element of Group 13 of the periodic table.

The mixed composition according to claim 1 or 2 , wherein the second organosilicon compound (B) contains a compound represented by the following formula (b1).

In the above formula (b1),
Rf ^b10 is an alkyl group having 1 to 20 carbon atoms or a fluorine atom in which one or more hydrogen atoms are replaced with fluorine atoms.
^{^{^{R b11, R b12, R b13}}} , R b14 are each independently a hydrogen atom or a carbon number from 1 to 4 alkyl groups, if R ^b11 there are a plurality differ plurality of R ^b11 each may, if R ^b12 there are a plurality may be different plural R ^b12 each may be the case where R ^b13 there are a plurality of different plural R ^b13 are each if R ^b14 there are multiple ^May have different R ^b14s ,
^{^{^{Rf b11, Rf b12, Rf b13}}} , Rf b14 are each independently one or more alkyl group or a fluorine atom and having from 1 to 20 carbon atoms hydrogen atoms are substituted by fluorine atoms, Rf ^b11 multiple presence If you may be different plurality of Rf ^b11, respectively, differ if the Rf ^b12 there are a plurality may be different plurality of Rf ^b12, respectively, a plurality of Rf ^b13 If Rf ^b13 is present in plural even if well, if Rf ^b14 there are a plurality may be different plurality of Rf ^b14, respectively,
R ^b15 is an alkyl group having 1 to 20 carbon atoms, it may be the case where R ^b15 there are a plurality of different plural R ^b15 are each,
A ¹ is −O−, −C (= O) −O−, −OC (= O) −, −NR−, −NRC (= O) −, or −C (= O) NR−. There, wherein R is a hydrogen atom, a fluorine-containing alkyl group of 1 to 4 alkyl groups or carbon atoms having 1 to 4 carbon atoms, if a ¹ there are a plurality may be different plurality of a ^1, respectively,
A ² is a hydrolyzable group, if A ² there are a plurality may be different plurality of A ^2, respectively,
b11, b12, b13, b14, and b15 are each independently an integer of 0 or more and 100 or less.
c is an integer of 1 or more and 3 or less,
Rf ^b10 −, ^−Si (A ² ) _c (R ^b15 ) _3-c , b11 − {C (R ^b11 ) (R ^b12 )} −, b12 − {C (Rf ^b11 ) (Rf ^b12 ) } −, b13 − {Si (R ^b13 ) (R ^b14 )} −, b14 − {Si (Rf ^b13 ) (Rf ^b14 )} −, b15 − A ¹ − are Rf ^b10 −, -Si (A ² ) _c (R ^b15 ) _3-c is the terminal, does not form a polysiloxane structure, does not form a perfluoropolyether structure, and -O- does not connect with -O- to -F. As long as they are combined side by side in any order.

The mixed composition according to any one of claims 1 to 3 , wherein the metal compound is an Al compound.

The mixed composition according to claim 4 , wherein the metal compound is an Al complex.

One of claims 1 to 5 , wherein the ratio of the compound of the metal to the total of the first organosilicon compound (A) and the second organosilicon compound (B) is 0.6 to 5.0 mol%. The mixed composition described.

One of claims 1 to 6 , wherein the ratio of the compound of the metal to the total of the first organosilicon compound (A) and the second organosilicon compound (B) is 0.1 to 2.0% by mass. The mixed composition described.

A coating body comprising a film obtained by curing the mixed composition according to any one of claims 1 to 7 .

The method for producing a coating body according to claim 8 , wherein the mixed composition is cured at room temperature.