Glass containers with improved strength and improved damage tolerance
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61J-001/14
C03C-017/42
B65D-025/14
B65D-023/08
C03C-017/00
C03C-015/02
B65D-001/02
B65D-025/34
B32B-017/06
B65D-001/40
C03C-017/30
C03C-017/32
C03C-021/00
C09D-179/08
B65D-023/02
C03C-017/34
B65D-065/42
출원번호
US-0075630
(2013-11-08)
등록번호
US-10023495
(2018-07-17)
발명자
/ 주소
Chang, Theresa
Danielson, Paul Stephen
DeMartino, Steven Edward
Fadeev, Andrei Gennadyevich
Morena, Robert Michael
Pal, Santona
Peanasky, John Stephen
Schaut, Robert Anthony
Timmons, Christopher Lee
Venkataraman, Natesan
Verkleeren, Ronald Luce
Bookbinder, Dana Craig
출원인 / 주소
CORNING INCORPORATED
대리인 / 주소
Dinsmore & Shohl LLP
인용정보
피인용 횟수 :
0인용 특허 :
149
초록▼
The glass containers described herein have at least two performance attributes selected from resistance to delamination, improved strength, and increased damage resistance. In one embodiment, a glass container may include a body having an inner surface, an outer surface and a wall thickness extendin
The glass containers described herein have at least two performance attributes selected from resistance to delamination, improved strength, and increased damage resistance. In one embodiment, a glass container may include a body having an inner surface, an outer surface and a wall thickness extending between the outer surface and the inner surface. A compressively stressed layer may extend from the outer surface of the body into the wall thickness. The compressively stressed layer may have a surface compressive stress greater than or equal to 150 MPa. A lubricous coating may be positioned around at least a portion of the outer surface of the body. The outer surface of the body with the lubricous coating may have a coefficient of friction less than or equal to 0.7.
대표청구항▼
1. A glass container comprising: a body enclosing an interior volume and having an inner surface, an outer surface and a wall thickness extending between the outer surface and the inner surface;a compressively stressed layer extending from the outer surface of the body into the wall thickness; anda
1. A glass container comprising: a body enclosing an interior volume and having an inner surface, an outer surface and a wall thickness extending between the outer surface and the inner surface;a compressively stressed layer extending from the outer surface of the body into the wall thickness; anda lubricous coating positioned around at least a portion of the outer surface of the body, wherein the lubricous coating is an organic coating that is thermally stable at a temperature of at least about 250° C. and the outer surface of the body with the lubricous coating has a coefficient of friction less than or equal to 0.7, whereinthe body comprises laminated glass, andthe lubricous coating comprises a polymer chemical composition. 2. The glass container of claim 1, wherein the compressively stressed layer has a surface compressive stress of greater than or equal to 200 MPa. 3. The glass container of claim 1, wherein the compressively stressed layer has a surface compressive stress of greater than or equal to 300 MPa. 4. The glass container of claim 1, wherein the compressively stressed layer extends to a depth of layer greater than or equal to 3 μm. 5. The glass container of claim 1, wherein the compressively stressed layer extends to a depth of layer greater than or equal to 25 μm. 6. The glass container of claim 1, wherein the body is ion-exchange strengthened. 7. The glass container of claim 1, wherein the body is high-temperature ion-exchange strengthened. 8. The glass container of claim 1, wherein the laminated glass comprises: a core layer having a core coefficient of thermal expansion CTEcore; andat least one cladding layer fused to the core layer and having a second coefficient of thermal expansion CTEclad, wherein CTEcore is not equal to CTEclad. 9. The glass container of claim 8, wherein: the at least one cladding layer comprises a first cladding layer and a second cladding layer;the first cladding layer is fused to a first surface of the core layer and the second cladding layer is fused to a second surface of the core layer; andCTEcore is greater than CTEclad. 10. The glass container of claim 8, wherein the compressively stressed layer extends into the wall thickness to a depth of layer which is from about 1 μm to about 90% of the wall thickness. 11. The glass container of claim 8, wherein the compressively stressed layer extends into the wall thickness to a depth of layer which is from about 1 μm to about 33% of the wall thickness. 12. The glass container of claim 8, wherein the at least one cladding layer forms the inner surface of the body. 13. The glass container of claim 1 further comprising an inorganic coating positioned on at least a portion of the outer surface of the body, wherein the inorganic coating has a coefficient of thermal expansion which is less than a coefficient of thermal expansion of the body. 14. The glass container of claim 1, wherein the lubricous coating is thermally stable at the temperature of at least about 250° C. for 30 minutes. 15. The glass container of claim 1, wherein the lubricous coating is thermally stable at a temperature of at least about 260° C. for 30 minutes. 16. The glass container of claim 1, wherein the lubricous coating is thermally stable at a temperature of at least about 280° C. for 30 minutes. 17. The glass container of claim 1, wherein the lubricous coating comprises a tenacious organic coating that has a mass loss of less than about 5% of its mass when heated from a temperature of 150° C. to 350° C. at a ramp rate of about 10° C./minute. 18. The glass container of claim 17, wherein the tenacious organic coating further comprises a coupling agent. 19. The glass container of claim 1, wherein the lubricous coating is an organic transient coating that pyrolizes at temperatures less than or equal to 300° C. in less than or equal to 1 hour. 20. The glass container of claim 19, wherein the lubricous coating comprises a mixture of polyoxyethylene glycol, methacrylate resin, melamine formaldehyde resin, and polyvinyl alcohol. 21. The glass container of claim 19, wherein the lubricous coating comprises one or more polysaccharides. 22. The glass container of claim 19, wherein the lubricous coating comprises polyacrylic acid or a derivative of polyacrylic acid. 23. The glass container of claim 1, wherein a light transmission through the glass container with the lubricous coating is greater than or equal to about 55% of a light transmission through an uncoated glass container for wavelengths of light from about 400 nm to about 700 nm. 24. The glass container of claim 1, wherein the lubricous coating comprises a member selected from the group consisting of a mixture of polyoxyethylene glycol, methacrylate resin, melamine formaldehyde resin, and polyvinyl alcohol; polysaccharides; poly(ethylene oxides); poly (propylene oxides); ethylene oxide-propylene oxide copolymers; polyvinyl-pyrolidinones; polyethyleneimines; poly(methyl vinyl ethers); polyacrylamides; polymethacrylamides; polyurethanes; poly(vinylacetates); polyvinyl formals; polyformaldehydes; poly(alkyl methacrylates); methyl celluloses; ethyl celluloses; hydroxyethyl celluloses; hydroxypropyl celluloses; sodium carboxymethyl celluloses; methyl hydroxypropyl celluloses; poly (acrylic acids) and salts thereof; poly(methacrylic acids) and salts thereof; ethylene-maleic anhydride copolymers; ethylene-vinyl alcohol copolymers; ethylene-acrylic acid copolymers; vinyl acetate-vinyl alcohol copolymers; methyl vinyl ether-maleic anhydride copolymers; emulsifiable polyurethanes; polyoxyethylene stearates; and polyolefins including polyethylenes; polypropylenes and copolymers thereof; starches and modified starches; hydrocolloids; polyacryloamide; vegetable and animal fats; wax; tallow; soap; stearine-paraffin emulsions; polysiloxanes of dimethyl or diphenyl or methyl/phenyl mixtures; perfluorinated siloxanes and other substituted siloxanes; alkylsilanes; aromatic silanes; oxidized polyethylene; polymer chemical compositions; polyimide chemical compositions; fluoropolymers; silicone resins; and silsesquioxane-based polymers. 25. A glass container comprising: a body enclosing an interior volume and having an inner surface, an outer surface and a wall thickness extending between the outer surface and the inner surface, wherein the body is formed from a Type 1, Class B glass according to ASTM Standard E438-92 (2011);a compressively stressed layer extending from the outer surface of the body into the wall thickness, the compressively stressed layer having a surface compressive stress greater than or equal to 150 MPa; anda lubricous coating positioned around at least a portion of the outer surface of the body, wherein the lubricous coating is a tenacious inorganic coating selected from the group consisting of metal nitride coatings, metal sulfide coatings, SiO2, diamond-like carbide coatings, graphene coatings and carbide coatings and the outer surface of the body with the lubricous coating has a coefficient of friction less than or equal to 0.7. 26. The glass container of claim 25, wherein the lubricous coating is thermally stable at a temperature of at least about 250° C. for 30 minutes. 27. The glass container of claim 25, wherein the lubricous coating is thermally stable at a temperature of at least about 260° C. for 30 minutes. 28. The glass container of claim 25, wherein the lubricous coating is thermally stable at a temperature of at least about 280° C. for 30 minutes. 29. A glass container comprising: a body enclosing an interior volume and having an inner surface, an outer surface and a wall thickness extending between the outer surface and the inner surface;a compressively stressed layer extending from the outer surface of the body into the wall thickness, the compressively stressed layer extending to a depth of layer greater than or equal to 3 μm; anda lubricous coating positioned around at least a portion of the outer surface of the body, wherein the lubricous coating is an organic coating that is thermally stable at a temperature of at least about 250° C. and the outer surface of the body with the lubricous coating has a coefficient of friction less than or equal to 0.7, whereinthe body comprises laminated glass, andthe lubricous coating comprises a polymer chemical composition. 30. The glass container of claim 29, wherein the lubricous coating comprises a member selected from the group consisting of a mixture of polyoxyethylene glycol, methacrylate resin, melamine formaldehyde resin, and polyvinyl alcohol; polysaccharides; poly(ethylene oxides); poly (propylene oxides); ethylene oxide-propylene oxide copolymers; polyvinyl-pyrolidinones; polyethyleneimines; poly(methyl vinyl ethers); polyacrylamides; polymethacrylamides; polyurethanes; poly(vinylacetates); polyvinyl formals; polyformaldehydes; poly(alkyl methacrylates); methyl celluloses; ethyl celluloses; hydroxyethyl celluloses; hydroxypropyl celluloses; sodium carboxymethyl celluloses; methyl hydroxypropyl celluloses; poly (acrylic acids) and salts thereof; poly(methacrylic acids) and salts thereof; ethylene-maleic anhydride copolymers; ethylene-vinyl alcohol copolymers; ethylene-acrylic acid copolymers; vinyl acetate-vinyl alcohol copolymers; methyl vinyl ether-maleic anhydride copolymers; emulsifiable polyurethanes; polyoxyethylene stearates; and polyolefins including polyethylenes; polypropylenes and copolymers thereof; starches and modified starches; hydrocolloids; polyacryloamide; vegetable and animal fats; wax; tallow; soap; stearine-paraffin emulsions; polysiloxanes of dimethyl or diphenyl or methyl/phenyl mixtures; perfluorinated siloxanes and other substituted siloxanes; alkylsilanes; aromatic silanes; oxidized polyethylene; polymer chemical compositions; polyimide chemical compositions; fluoropolymers; silicone resins; and silsesquioxane-based polymers.
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