VACUUM INSULATED GLASS WINDOWS WTH FRICTION REDUCTION COMPOSITIONS AND METHODS OF MAKING THE SAME

• US 20180363361A1
• Filed: 11/29/2016
• Published: 12/20/2018
• Est. Priority Date: 11/30/2015
• Status: Active Grant

• Current Assignee: Corning Incorporated
• Original Assignee: Corning Incorporated
• Inventors: HECKMAN, Michael Paul, REYNOLDS-HEFFER, Linda Frances, SENARATNE, Wageesha
• Granted Patent: US 10,760,325 B2
• Time in Patent Office: Days
• CPC Class Codes: C03B 23/245 Hollow glass sheets
• CPC Class Codes: C03C 17/007 containing a dispersed phase, e.g. particles, fibres or flakes, in a continuous phase
• CPC Class Codes: C03C 17/009 Mixtures of organic and inorganic materials, e.g. ormosils and ormocers
• CPC Class Codes: C03C 17/22 with other inorganic material C03C17/34, C03C17/44 take precedence
• CPC Class Codes: C03C 2217/28 Other inorganic materials
• CPC Class Codes: C03C 2217/445 Organic continuous phases
• CPC Class Codes: C03C 2217/47 consisting of a specific material
• CPC Class Codes: C03C 2217/475 Inorganic materials
• CPC Class Codes: C03C 23/002 by ultraviolet light
• CPC Class Codes: C03C 23/0025 by a laser beam
• CPC Class Codes: C03C 27/10 with the aid of adhesive specially adapted for that purpose
• CPC Class Codes: C04B 14/043 Alkaline-earth metal silicates, e.g. wollastonite
• CPC Class Codes: C04B 14/20 Mica; Vermiculite mechanical splitting B28D
• CPC Class Codes: C04B 14/28 of calcium
• CPC Class Codes: C04B 18/245 Cork; Bark
• CPC Class Codes: C04B 2103/40 Surface-active agents, dispersants
• CPC Class Codes: C04B 2111/00362 Friction materials, e.g. used as brake linings, anti-skid materials
• CPC Class Codes: C04B 2111/00482 Coating or impregnation materials
• CPC Class Codes: C04B 22/14 containing sulfur in the anion, e.g. sulfides
• CPC Class Codes: C04B 24/02 Alcohols; Phenols; Ethers
• CPC Class Codes: C04B 24/42 : Organo-silicon compounds
• CPC Class Codes: C04B 28/26 : Silicates of the alkali metals
• CPC Class Codes: C08K 11/00 : Use of ingredients of unknown constitution, e.g. undefined reaction products
• CPC Class Codes: C08K 13/08 : Ingredients of unknown constitution and ingredients covered by the main groups C08K3/00 - C08K9/00
• CPC Class Codes: C08K 2003/265 : Calcium, strontium or barium carbonate
• CPC Class Codes: C08K 2003/3009 : Sulfides
• CPC Class Codes: C08K 2003/343 : Peroxyhydrates, peroxyacids or salts thereof
• CPC Class Codes: C08K 2201/001 : Conductive additives
• CPC Class Codes: C08K 3/30 : Sulfur-, selenium- or tellurium-containing compounds
• CPC Class Codes: C09D 1/02 : alkali metal silicates
• CPC Class Codes: C09D 183/04 : Polysiloxanes
• 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 7/20 : Diluents or solvents
• CPC Class Codes: C09D 7/61 : inorganic
• CPC Class Codes: C09K 5/14 : Solid materials, e.g. powdery or granular
• CPC Class Codes: E06B 2003/66338 : of glass
• CPC Class Codes: E06B 3/6612 : Evacuated glazing units
• CPC Class Codes: E06B 3/663 : Elements for spacing panes
• CPC Class Codes: E06B 3/66304 : Discrete spacing elements, e.g. for evacuated glazing units
• CPC Class Codes: E06B 3/66333 : of unusual substances, e.g. wood or other fibrous materials, glass or other transparent materials
• CPC Class Codes: E06B 3/673 : Assembling the units E06B3/677 takes precedence ; making hollow glass sheets or bricks C03B23/24
• CPC Class Codes: Y02W 30/91 : Use of waste materials as fillers for mortars or concrete

Abstract

A window with low frictive compositions and methods of making the same. The low frictive composition is applied to top portion of at least one glass bump contacting an opposing pane in a window. The low frictive composition may include an inorganic powder and a binder. The inorganic powder includes disulfide, molybdenum disulfide, tungsten diselenide, and molybdenum diselenide. The binder includes silsesquioxanes and alkali silicates.

Claims

1. A window comprising:

a first glass pane comprising a first glass material, a first inner surface opposite a first outer surface, and a first outer edge;

a second glass pane comprising a second glass material, a second inner surface opposite a second outer surface, and a second outer edge;

at least one glass-bump formed from the first glass material on the first inner surface of the first glass pane;

the first glass pane faces the second glass pane such that the at least one glass-bump on the first inner surface is adjacent the second inner surface of the second glass pane;

a friction reduction material located between the at least one glass-bump and the second inner surface; and

an edge seal between the first and second edges of the first and second glass panes that forms an interior region between the inner surfaces of the first and second glass panes.

2. The window of claim 1 wherein the friction reduction material is isolated between the at least one glass bumps glass-bump and the second inner surface.

3. The window of claim 1 wherein the friction reduction material decreases a coefficient of friction between the at least one glass-bump and the second inner glass surface by at least about 20%.

4. The window of claim 1 wherein the friction reduction material has a thickness from about 1 nm to about 20 microns between the at least one glass-bump and the second inner surface.

5. The window of claim 1 wherein the friction reduction material comprises an inorganic component and a binder.

6. The window of claim 5 wherein the inorganic component comprises tungsten disulfide, molybdenum disulfide, tungsten diselenide, molybdenum diselenide, or combinations thereof.

7. The window of claim 5 wherein:

the inorganic component is a powder with a particle size distribution from about 10 nm to about 4000 nm; and

the inorganic powder has a median particle size D50 from about 40 nm to about 2000 nm.

9. The window of claim 5 wherein the friction reduction material comprises from about 1 wt. % to about 50 wt. % of the inorganic component.

10. The window of claim 5 wherein the binder comprises methyl silsesquioxanes, phenyl silsesquioxanes, polyhedral oligomeric silsesquioxanes, polysilsesquioxanes, alkali silicates, or combinations thereof.

11. The window of claim 5 wherein:

the friction reduction material further comprises a filler composition with a thermal conductivity from about 0.01 W/m·

K to about 1 W/m·

K; and

the filler composition comprises calcium silicate, cork, chalk, mica, or combinations thereof.

13. The window of claim 5 wherein the friction reduction material further comprises from about 0.01 wt. % to about 5 wt. % of an organic material.

14. The window of claim 13 wherein the organic material comprises Texanol™

, methoxypropanol, siloxanes, propylene glycol, or combinations thereof.

8. (canceled)

12. (canceled)

15. A low friction material comprising:

a friction reduction precursor formulation comprising an inorganic powder and a binder;

the inorganic powder is selected from the group consisting of tungsten disulfide, molybdenum disulfide, and combinations thereof; and

the binder is selected from the group consisting of methyl silsesquioxanes, phenyl silsesquioxanes, polyhedral oligomeric silsesquioxanes, polysilsesquioxanes, alkali silicates, and combinations thereof.

16. The low friction material of claim 15 wherein the friction reduction precursor formulation has a thermal conductivity from about 0.01 W/m·

K to about 1 W/m·

K.

17. The low friction material of claim 16 wherein the friction reduction precursor formulation further comprises an organic material comprising Texanol™

, methoxypropanol, a siloxane, propylene glycol, or combinations thereof.

18. The low friction material of claim 16 wherein the friction reduction precursor formulation further comprises a filler material comprising calcium silicate, cork, chalk, mica, or combinations thereof.

19. A method of using the low friction material of claim 15 comprising:

applying the friction reduction precursor formulation to a location between opposing glass articles.

20. The method of claim 19 further comprising:

arranging the opposing glass articles such that a contact location therebetween includes the friction reduction precursor formulation.

21. A method of making the low friction material of claim 15 comprising:

mixing the friction reduction precursor formulation comprising the inorganic powder and the binder; and

heating the friction reduction precursor formulation to remove at least a portion of any organic material in the friction reduction precursor formulation.

22. The method of claim 21 wherein heating the friction reduction precursor formulation is above about 300°

C.