METHODS OF PREPARING REACTIVE MIXTURES OF QUATERNARY SILANES AND TITANIUM(IV)ALKOXIDES AND POLYMERS THEREFROM

• US 20170158825A1
• Filed: 02/14/2017
• Published: 06/08/2017
• Est. Priority Date: 04/15/2011
• Status: Active Grant

• Current Assignee: SRFC Bio Incorporated
• Original Assignee: Allied Bioscience, Inc.
• Inventors: Grossman, Craig, Ngo, Mai, Wysocki, Ronald
• Granted Patent: US 10,040,097 B2
• Time in Patent Office: Days
• CPC Class Codes: A01N 55/00 Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur containing organo-phosphorus compounds A01N57/00
• CPC Class Codes: A01N 55/02 containing metal atoms
• CPC Class Codes: B05D 1/02 performed by spraying
• CPC Class Codes: B05D 1/04 involving the use of an electrostatic field B05D1/025 and B05D1/14 take precedence
• CPC Class Codes: B05D 2425/01 top layer/ last layer, i.e. first layer from the top surface
• CPC Class Codes: B05D 2601/24 Titanium dioxide, e.g. rutile
• CPC Class Codes: B05D 5/00 Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
• CPC Class Codes: B05D 7/52 Two layers
• CPC Class Codes: C07F 7/28 Titanium compounds
• CPC Class Codes: C08G 77/26 nitrogen-containing groups
• CPC Class Codes: C08G 79/00 Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule
• CPC Class Codes: C09D 183/08 containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
• CPC Class Codes: C09D 185/00 Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon; Coating compositions based on derivatives of such polymers
• CPC Class Codes: C09D 5/00 Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced electrically insulating plastics, resins or waxes H01B3/30; Filling pastes
• CPC Class Codes: C09D 5/14 Paints containing biocides, e.g. fungicides, insecticides or pesticides C09D5/16 takes precedence
• CPC Class Codes: C09D 7/41 Organic pigments; Organic dyes
• CPC Class Codes: D06M 11/46 Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
• CPC Class Codes: D06M 13/51 Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
• CPC Class Codes: D06M 13/513 with at least one carbon-silicon bond
• CPC Class Codes: D06M 15/423 Amino-aldehyde resins
• CPC Class Codes: D06M 23/005 : Applying monomolecular films on textile products like fibres, threads or fabrics

Abstract

A method to prepare a self-decontaminating surface, where that method includes disposing a first coating on a surface, where that first coating comprises an organosilane, and disposing a second coating over the first coating, where the second coating comprises TiO₂.

Claims

1. A method comprising:

forming a mixture of an organosilane having structure (5),

2. The method of claim 1, wherein said organosilane is an organosilane of structure (1),

3. The method of claim 1, wherein said organosilane is an organosilane of structure (14),

4. The method of claim 1, wherein R⁸ comprises a C₁₈ alkyl chain.

5. A polymer formed by the method of claim 1, wherein said polymer has structure (6),

6. The polymer of claim 5, wherein R³ is alkyl;

R⁴ is isopropyl;

R⁵ is selected from the group consisting of alkyl and oxyalkyl;

R⁶, R⁷, and R⁸ are selected from the group consisting of alkyl, alkenyl, phenyl, and benzyl; and

X⁻

is selected from the group consisting of chlorine, bromine, and iodine;

m is 1;

n is between about 5 and 500; and

p is 1.

7. The polymer of claim 5, wherein R³ is alkyl;

R⁴ is isopropyl;

R⁵ is selected from the group consisting of alkyl and oxyalkyl;

R⁶, R⁷, and R⁸ are selected from the group consisting of alkyl, alkenyl, phenyl, and benzyl; and

X⁻

is selected from the group consisting of chlorine, bromine, and iodine;

m is 2;

n is between about 5 and 500; and

p is 1, such that polymer (6) comprises a titanium/oxygen backbone with silyl ester end groups.

8. The polymer of claim 5, wherein R³ is alkyl;

R⁴ is isopropyl;

R⁵ is selected from the group consisting of alkyl and oxyalkyl;

R⁶, R⁷, and R⁸ are selected from the group consisting of alkyl, alkenyl, phenyl, and benzyl; and

X⁻

is selected from the group consisting of chlorine, bromine, and iodine;

m is between about 5 and 500;

n is 2; and

p is 1, such that polymer (6) comprises a titanium/oxygen backbone with silyl ester end groups, and wherein polymer (6) is substantially linear.

9. The polymer of claim 5, wherein R³ is alkyl;

R⁴ is isopropyl;

R⁵ is selected from the group consisting of alkyl and oxyalkyl;

R⁶, R⁷, and R⁸ are selected from the group consisting of alkyl, alkenyl, phenyl, and benzyl; and

X⁻

is selected from the group consisting of chlorine, bromine, and iodine;

m is 2;

n is between about 5 and 500; and

p is 1, such that polymer (6) comprises a titanium/oxygen backbone with silyl ester end groups, and wherein polymer (6) is comprises a cross-linked structure.

10. The polymer of claim 5, wherein R³ is alkyl;

R⁴ is isopropyl;

R⁵ is selected from the group consisting of alkyl and oxyalkyl;

R⁶, R⁷, and R⁸ are selected from the group consisting of alkyl, alkenyl, phenyl, and benzyl; and

X⁻

is selected from the group consisting of chlorine, bromine, and iodine;

m is between about 5 and 500;

n is 1; and

p is 1.

11. The polymer of claim 5, wherein R³ is alkyl;

R⁴ is isopropyl;

R⁵ is selected from the group consisting of alkyl and oxyalkyl;

R⁶, R⁷, and R⁸ are selected from the group consisting of alkyl, alkenyl, phenyl, and benzyl; and

X⁻

is selected from the group consisting of chlorine, bromine, and iodine;

m is between about 5 and 500;

n is 2; and

p is 1, such that polymer (6) comprises a silicone/oxygen backbone with titanyl ester end groups.

12. The polymer of claim 11, wherein polymer (6) is substantially linear.

13. The polymer of claim 11, wherein polymer (6) comprises a cross-linked structure.

14. A self-decontaminating surface on a substrate formed by casting the polymer of claim 11 onto the substrate.

15. The polymer of claim 5, wherein R³ is alkyl;

R⁴ is isopropyl;

R⁵ is selected from the group consisting of alkyl and oxyalkyl;

R⁶, R⁷, and R⁸ are selected from the group consisting of alkyl, alkenyl, phenyl, and benzyl; and

X⁻

is selected from the group consisting of chlorine, bromine, and iodine;

m is between about 1 and 10;

n is between about 1 and 10; and

p is between about 1 and 10, such that polymer (6) comprises titanyl ester end groups.

16. The polymer of claim 15, wherein polymer (6) is substantially linear or comprises a cross-linked structure.

17. The polymer of claim 5, wherein R³ is alkyl;

R⁴ is isopropyl;

R⁵ is selected from the group consisting of alkyl and oxyalkyl;

R⁶, R⁷, and R⁸ are selected from the group consisting of alkyl, alkenyl, phenyl, and benzyl; and

X⁻

is selected from the group consisting of chlorine, bromine, and iodine;

m is between about 1 and 10;

n is between about 1 and 10; and

p is between about 1 and 10, such that polymer (6) comprises silyl ester end groups.

18. A self-decontaminating surface on a substrate formed by casting the polymer of claim 17 onto the substrate.

19. The polymer of claim 5, wherein R³ is alkyl;

R⁴ is isopropyl;

R⁵ is selected from the group consisting of alkyl and oxyalkyl;

R⁶, R⁷, and R⁸ are selected from the group consisting of alkyl, alkenyl, phenyl, and benzyl; and

X⁻

is selected from the group consisting of chlorine, bromine, and iodine;

m is between about 1 and 10;

n is between about 1 and 10; and

p is between about 1 and 10, such that polymer (6) comprises titanyl ester end groups.

20. A self-decontaminating surface on a substrate formed by casting the polymer of claim 19 onto the substrate.