IP Library Granted Patent US 8,211,544
Granted Patent B2
US 8,211,544 · App. 11/910,356 · Granted Jul 3, 2012

Surface modifier

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Quick Facts
Patent No.
US 8,211,544
App. No.
11/910,356
Granted
Jul 3, 2012
Kind
B2
Abstract

A surface modifier comprising an organosilicone compound represented by General Formula (A) and/or General Formula (B): F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r Si(X′) 3-a (R 1 ) a (A) and F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r (X′) 2-a (R 1 ) a SiO(F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r (X′) 1-a (R 1 ) a SiO) z F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r (X′) 2-a (R 1 ) a Si (B) wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200; p is 1 or 2; X is O or a bivalent organic group; r is an integer from 2 to 20; R 1 is a C 1-22 linear or branched hydrocarbon group; a is an integer from 0 to 2; X′ is hydrolysable group; and z is an integer from 0 to 10 when a is 0 or 1.

Claims (45)

1. A surface modifier comprising an organosilicone compound represented by General Formula (A) and/or General Formula (B):

F—(CF 2 ) q —(OCF 2 CF 2 CF 2 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r Si(X′) 3-a (R 1 ) a   (A)

wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200, provided that the sum of m, n, and o is 5 or greater; p is 1 or 2; X is O; r is 3; R 1 is a C 1-22 linear or branched hydrocarbon group; a is an integer from 0 to 2; and X′ is hydrolysable group; and

wherein Rf is F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r —, wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200, provided that the sum of m, n, and o is 5 or greater; p is 1 or 2; X is O; r is 3; R 1 is a C 1-22 linear or branched hydrocarbon group; a is an integer from 0 to 2; X′ is hydrolysable group; and z is an integer from 0 to 10 when a is 0 or 1.

2. The surface modifier according to claim 1 , wherein in General Formula (A) and/or General Formula (B), q is 3, m is an integer from 10 to 200, n is 1, o is 0, p is 1, X is 0, r is 3 and a is 0 or 1.

3. The surface modifier according to claim 1 , with the addition of a catalyst to promote surface modification.

4. The surface modifier according to claim 1 , with the addition of a catalyst to promote surface modification wherein the proportion of compound represented by General Formula (A) and/or General Formula (B) and catalyst is 0.001 to 2 parts by weight based on 100 parts by weight of the organic silicone compound.

5. A method for producing an organosilicone compound represented by General Formula (A):

F—(CF 2 ) q —(OCF 2 CF 2 CF 2 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r Si(X′) 3-a (R 1 ) a   (A)

the method using a hydrosilylation reaction between trichlorosilane or trialkoxysilane, and a compound represented by General Formula (C) below in the presence of a transition metal:

F—(CF 2 ) q —(OCF 2 CF 2 CF 2 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p XCH 2 CH═CH 2   (C)

wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200, provided that the sum of m, n, and o is 5 or greater; p is 1 or 2; R 1 is a C 1-22 linear or branched hydrocarbon group; X is oxygen; and r is 3, X′ is chlorine or alkoxy, and a is 0.

6. A method for producing an organosilicone compound represented by General Formula (A):

F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r Si(X′) 3-a (R 1 ) a   (A)

wherein X′ is —OR with R being a C 1-22 linear or branched hydrocarbon group, the method using a hydrosilylation reaction between trichlorosilane and a compound represented by General Formula (C):

F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p XCH 2 CH═CH 2   (C)

in the presence of a transition metal, and then an alkoxylation reaction in the presence of a neutralizing agent with a C 1-22 linear or branched aliphatic alcohol, thereby eliminating hydrogen chloride, or an alkoxylation reaction with a metal alkoxide, wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200; p is 1 or 2; X is O or a bivalent organic group; r is an integer from 2 to 20; R 1 is a C 1-22 linear or branched hydrocarbon group; a is an integer from 0 to 2; and wherein X′ is —OR with R being a C 1-22 linear or branched hydrocarbon group.

7. A method for producing an organosilicone compound represented by General Formula (A):

F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r Si(X′) 3-a (R 1 ) a   (A)

the method using a hydrosilylation reaction between trichlorosilane and a compound represented by General Formula (C):

F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p XCH 2 CH═CH 2   (C)

in the presence of a transition metal, and then a reaction with a dialkyl ketoxime represented by HO—N═CR 2 with R being a C 1-22 linear or branched hydrocarbon group, wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200; p is 1 or 2; X is O or a bivalent organic group; r is an integer from 2 to 20; R 1 is a C 1-22 linear or branched hydrocarbon group; a is an integer from 0 to 2; and wherein X′ is —O—N═CR 2 with R being a C 1-22 linear or branched hydrocarbon group.

8. The method for producing an organosilicone compound according to claim 5 , wherein the transition metal is platinum or rhodium.

9. A method for producing an organosilicone compound represented by General Formula (B):

wherein Rf is F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r —, wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200, provided that the sum of m, n, and o is 5 or greater; p is 1 or 2; X is O; r is 3; R 1 is a C 1-22 linear or branched hydrocarbon group; a is an integer from 0 to 2; X′ is hydrolysable group; and z is an integer from 0 to 10 when a is 0 or 1; the method comprising partially hydrolyzing and then condensing a compound represented by General Formula (A) that is obtained according to the method recited in claim 5 .

10. A treated surface comprising a substrate having a surface modifier thereon, said surface modifier comprising an organosilicone compound represented by General Formula (A) and/or General Formula (B):

F—(CF 2 ) q —(OCF 2 CF 2 CF 2 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r Si(X′) 3-a (R 1 ) a   (A)

wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200, provided that the sum of m, n, and o is 5 or greater; p is 1 or 2; X is O; r is 3; R 1 is a C 1-22 linear or branched hydrocarbon group; a is an integer from 0 to 2; and X′ is hydrolysable group; and

wherein Rf is F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r —, wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200, provided that the sum of m, n, and o is 5 or greater; p is 1 or 2; X is O; r is 3; R 1 is a C 1-22 linear or branched hydrocarbon group; a is an integer from 0 to 2; X′ is hydrolysable group; and z is an integer from 0 to 10 when a is 0 or 1; the treated surface having a water contact angle of at least 110° and a water sliding angle of no more than 5°.

11. The treated surface of claim 10 wherein said surface has been formed by forming on a substrate a film of said surface modifier according to a wet coating method.

12. The treated surface of claim 10 wherein said surface has been formed by forming on a substrate a film of the surface modifier according to a dry coating method.

13. The treated surface of claim 10 wherein said surface has been formed by impregnating a porous article with said surface modifier, and forming a treated layer on a substrate by heating in a vacuum the porous article, in which the surface modifier has been impregnated, to evaporate the surface modifier.

14. The treated surface according to claim 13 , wherein the porous article comprises at least one species selected from the group consisting of SiO 2 , TiO 2 , ZrO 2 , MgO, Al 2 O 3 , CaSO 4 , Cu, Fe, Al, stainless steel, and carbon.

15. The treated surface according to claim 13 , wherein the surface modifier impregnated in a porous article is evaporated according to at least one heating method selected from resistive heating, electron beam heating, ion beam heating, high-frequency heating, and optical heating.

16. The treated surface according to claim 13 wherein a film is formed on said substrate by nozzle-spraying the surface modifier in the presence of a plasma.

17. The treated surface according to claim 16 , wherein the plasma is an atmospheric-pressure plasma of argon or helium.

18. A product selected from an antireflective optical member, a display device, a glass, an eyeglass lens or optical lens, sanitary ware, a microstructure, or stoneware, said product having incorporated therein a surface modifier comprising an organosilicone compound represented by General Formula (A) and/or General Formula (B):

F—(CF 2 ) q —(OCF 2 CF 2 CF 2 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r Si(X′) 3-a (R 1 ) a   (A)

wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200, provided that the sum of m, n, and o is 5 or greater; p is 1 or 2; X is O; r is 3; R 1 is a C 1-22 linear or branched hydrocarbon group; a is an integer from 0 to 2; and X′ is hydrolysable group; and

wherein Rf is F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r —, wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200, provided that the sum of m, n, and o is 5 or greater; p is 1 or 2; X is O; r is 3; R 1 is a C 1-22 linear or branched hydrocarbon group; a is an integer from 0 to 2; X′ is hydrolysable group; and z is an integer from 0 to 10 when a is 0 or 1.

19. The surface modifier according to claim 1 wherein the hydrolysable group is an alkoxy or alkoxy substituted alkoxy group, an acyloxy group, an alkenyloxy group, an iminoxy group, a substituted amino group, an amido group, a substituted aminoxy group, or halogen.

20. A method for producing an organosilicone compound represented by General Formula (B):

wherein Rf is F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r —, wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200, provided that the sum of m, n, and o is 5 or greater; p is 1 or 2; X is O; r is 3; R 1 is a C 1-22 linear or branched hydrocarbon group; a is an integer from 0 to 2; X′ is hydrolysable group; and z is an integer from 0 to 10 when a is 0 or 1; the method comprising partially hydrolyzing and then condensing a compound represented by General Formula (A) that is obtained according to the method recited in claim 6 .

21. A method for producing an organosilicone compound represented by General Formula (B):

wherein Rf is F—(CF 2 ) q —(OC 3 F 6 ) m —(OC 2 F 4 ) n —(OCF 2 ) o (CH 2 ) p X(CH 2 ) r —, wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200, provided that the sum of m, n, and o is 5 or greater; p is 1 or 2; X is O; r is 3; R 1 is a C 1-22 linear or branched hydrocarbon group; a is an integer from 0 to 2; X′ is hydrolysable group; and z is an integer from 0 to 10 when a is 0 or 1; the method comprising partially hydrolyzing and then condensing a compound represented by General Formula (A) that is obtained according to the method recited in claim 7 .

Assignments (5)
CHANGE OF NAME Recorded Mar 29, 2018
From: DOW CORNING CORPORATION
To: DOW SILICONES CORPORATION
Reel/Frame 045381/0992 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 18, 2007
From: ITAMI, YASUO; MASUTANI, TETSUYA
To: DAIKIN INDUSTRIES, LTD.
Reel/Frame 020260/0048 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 7, 2007
From: HUPFIELD, PETER C.
To: DOW CORNING LTD.
Reel/Frame 020077/0318 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 7, 2007
From: KLEYER, DON LEE
To: DOW CORNING CORPORATION
Reel/Frame 020077/0530 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 7, 2007
From: DOW CORNING LTD.
To: DOW CORNING CORPORATION
Reel/Frame 020077/0689 →