Glass articles with low-friction coatings
First Claim
1. A coated glass article comprising:
- a glass body comprising a first surface and a second surface opposite the first surface, wherein the glass body is a glass container and the first surface is an exterior surface of the glass container; and
a low-friction coating positioned on at least a portion of the first surface of the glass body, the low-friction coating comprising;
a polymer layer comprising a polymer;
a coupling agent layer positioned between the polymer layer and the first surface of the glass body, the coupling agent layer comprising a coupling agent; and
an interface layer positioned between the coupling agent layer and the polymer layer, wherein the interface layer comprises one or more chemicals of the polymer layer bound with one or more chemicals of the coupling agent layer, wherein;
the coated glass article is a pharmaceutical package; and
the coated glass article is thermally stable at a temperature of at least about 260°
C. for 30 minutes.
1 Assignment
0 Petitions
Accused Products
Abstract
Low-friction coatings and glass articles with low-friction coatings are disclosed. According to one embodiment, a coated glass article may include a glass body comprising a first surface and a low-friction coating positioned on at least a portion of the first surface of the glass body. The low-friction coating may include a polymer chemical composition. The coated glass article may be thermally stable at a temperature of at least about 260° C. for 30 minutes. A light transmission through the coated glass article may be greater than or equal to about 55% of a light transmission through an uncoated glass article for wavelengths from about 400 nm to about 700 nm. The low-friction coating may have 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.
249 Citations
97 Claims
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1. A coated glass article comprising:
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a glass body comprising a first surface and a second surface opposite the first surface, wherein the glass body is a glass container and the first surface is an exterior surface of the glass container; and a low-friction coating positioned on at least a portion of the first surface of the glass body, the low-friction coating comprising; a polymer layer comprising a polymer; a coupling agent layer positioned between the polymer layer and the first surface of the glass body, the coupling agent layer comprising a coupling agent; and an interface layer positioned between the coupling agent layer and the polymer layer, wherein the interface layer comprises one or more chemicals of the polymer layer bound with one or more chemicals of the coupling agent layer, wherein; the coated glass article is a pharmaceutical package; and the coated glass article is thermally stable at a temperature of at least about 260°
C. for 30 minutes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A coated glass article comprising:
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a glass body comprising a first surface; and a low-friction coating positioned on at least a portion of the first surface of the glass body, the low-friction coating comprising; a polymer; and a coupling agent comprising at least one of; a first silane, a hydrolysate thereof, or an oligomer thereof, wherein the first silane is an aromatic silane;
ora chemical formed from the oligomerization of at least the first silane and a second silane, wherein; the first silane and the second silane are different; the coated glass article is thermally stable at a temperature of at least about 260°
C. for 30 minutes;the coated glass article is a pharmaceutical package. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55)
wherein the first monomer is different than the second monomer.
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41. The coated glass article of claim 40, wherein the third monomer has a benzophenone structure.
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42. The coated glass article of claim 41, wherein the third monomer is benzophenone-3,3′
- ,4,4′
-tetracarboxylic dianhydride.
- ,4,4′
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43. The coated glass article of claim 40, wherein the first monomer comprises two aromatic ring moieties.
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44. The coated glass article of claim 43, wherein the two aromatic ring moieties of the first monomer are directly bonded to one another.
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45. The coated glass article of claim 44, wherein the second monomer comprises two aromatic ring moieties and the two aromatic ring moieties of the second monomer are bonded with an alkyl moiety.
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46. The coated glass article of claim 45, wherein a molar ratio of the first monomer to the second monomer is between about 0.01:
- 0.49 to about 0.40;
0.10.
- 0.49 to about 0.40;
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47. The coated glass article of claim 43, wherein the two aromatic ring moieties of the first monomer are bonded with an alkyl moiety.
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48. The coated glass article of claim 43, wherein the first monomer comprises a tolidine structure.
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49. The coated glass article of claim 48, wherein the first monomer is ortho-Tolidine.
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50. The coated glass article of claim 48, wherein the first monomer is 4,4′
- -methylene-bis(2-methylaniline).
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51. The coated glass article of claim 48, wherein the first monomer is ortho-Tolidine and the second monomer is 4,4′
- -methylene-bis(2-methylaniline).
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52. The coated glass article of claim 43, wherein the second monomer comprises an aromatic ring moiety.
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53. The coated glass article of claim 23, wherein the glass body is formed from a borosilicate glass composition.
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54. The coated glass article of claim 23, wherein the glass body is formed from a Type 1B glass composition.
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55. The coated glass article of claim 23, wherein the glass body is formed from an alkali aluminosilicate glass composition.
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56. A low-friction coating on a substrate, the low-friction coating comprising:
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a polyimide formed from the polymerization of at least benzophenone-3,3′
,4,4′
-tetracarboxylic dianhydride, ortho-Tolidine, and 4,4′
-methylene-bis(2-methylaniline); anda coupling agent comprising at least one of; a mixture of a first silane, a hydrolysate thereof, or an oligomer thereof, and a second silane, a hydrolysate thereof, or an oligomer thereof, wherein the first silane is an aromatic silane and the second silane is an aliphatic silane;
ora chemical formed from the oligomerization of at least the first silane and the second silane; wherein; the low-friction coating is thermally stable at a temperature of at least about 260°
C. for 30 minutes.- View Dependent Claims (57)
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58. A coated glass article comprising:
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a glass body comprising a first surface; a low-friction coating positioned on at least a portion of the first surface of the glass body, the low-friction coating comprising; a coupling agent comprising an oligomer of one or more silanes, wherein the oligomer is a silsesquioxane and at least one of the silanes comprises at least one aromatic moiety and at least one amine moiety; and a polyimide formed from the polymerization of at least a first diamine monomer, a second diamine monomer, and a dianhydride monomer, wherein the first diamine monomer is different than the second diamine monomer, wherein the coated glass article is a pharmaceutical package. - View Dependent Claims (59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69)
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70. A coated glass article comprising:
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a glass body comprising a first surface and a second surface opposite the first surface, wherein the glass body is a glass container and the first surface is an exterior surface of the glass container; and a low-friction coating positioned on at least a portion of the first surface of the glass body, the low-friction coating comprising; a polymer layer comprising a polymer; a coupling agent layer positioned between the polymer layer and the first surface of the glass body, the coupling agent layer comprising a coupling agent; and an interface layer positioned between the coupling agent layer and the polymer layer, wherein the interface layer comprises one or more chemicals of the polymer layer bound with one or more chemicals of the coupling agent layer, wherein; the coated glass article is thermally stable at a temperature of at least about 300°
C. for 30 minutes;a light transmission through the coated glass article is greater than or equal to about 55% of a light transmission through an uncoated glass article for wavelengths from about 400 nm to about 700 nm; and the coated glass article is a pharmaceutical package. - View Dependent Claims (71, 72, 73)
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74. A coated glass article comprising:
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a glass body comprising an exterior surface and a second surface opposite the exterior surface, wherein the glass body is a glass container; and a low-friction coating positioned on at least a portion of the exterior surface, the low-friction coating comprising; a polymer layer comprising a polymer; a coupling agent layer positioned between the polymer layer and the first surface of the glass body, the coupling agent layer comprising a coupling agent; and an interface layer positioned between the coupling agent layer and the polymer layer, wherein the interface layer comprises one or more chemicals of the polymer layer bound with one or more chemicals of the coupling agent layer, wherein; a coefficient of friction of an abraded area of the portion of the exterior surface with the low-friction coating is less than 0.7 after exposure to an elevated temperature of 280°
C. for 30 minutes and abrasion under a 30 N load and does not have observable damage;a retained strength of the coated glass article in horizontal compression does not decrease by more than about 20% after exposure to an elevated temperature of 280°
C. for 30 minutes and abrasion under a 30 N load; andthe coated glass article is a pharmaceutical package. - View Dependent Claims (75, 76, 77)
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78. A coated glass article comprising:
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a glass body comprising a first surface and a second surface opposite the first surface, wherein the glass body is a glass container and the first surface is an exterior surface of the glass container; and a low-friction coating positioned on at least a portion of the first surface of the glass body, the low-friction coating comprising; a coupling agent layer positioned on the first surface of the glass body, wherein the coupling agent layer comprises a coupling agent; a polymer layer positioned over the coupling agent layer, wherein the polymer layer comprises a polymer; and an interface layer positioned between the coupling agent layer and the polymer layer, wherein the interface layer comprises one or more chemicals of the polymer layer bound with one or more chemicals of the coupling agent layer, wherein; the coated glass article is thermally stable at a temperature of at least about 260°
C. for 30 minutes;a light transmission through the coated glass article is greater than or equal to about 55% of a light transmission through an uncoated glass article for wavelengths from about 400 nm to about 700 nm; the low-friction coating 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; andthe coated glass article is a pharmaceutical package, wherein the coated glass article comprises at least one of; the coefficient of friction of the portion of the coated glass article with the low-friction coating is at least 20% less than a coefficient of friction of a surface of an uncoated glass article formed from a same glass composition; the portion of the coated glass article with the low-friction coating has a coefficient of friction of less than or equal to about 0.7 after exposure to autoclave conditions; the portion of the coated glass article with the low-friction coating has a coefficient of friction of less than or equal to about 0.7 after the coated glass article is submerged in a water bath at a temperature of about 70°
C. for 1 hour;
orthe portion of the coated glass article with the low-friction coating has a coefficient of friction of less than or equal to about 0.7 after exposure to lyophilization conditions. - View Dependent Claims (79, 80, 81)
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82. A coated glass article comprising:
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a glass body comprising a first surface and a second surface opposite the first surface, wherein the glass body is a glass container and the first surface is an exterior surface of the glass container; and a low-friction coating positioned on at least a portion of the first surface of the glass body, the low-friction coating comprising; a polymer layer comprising a polymer; a coupling agent layer positioned between the polymer layer and the first surface of the glass body, the coupling agent layer comprising a coupling agent; and an interface layer positioned between the coupling agent layer and the polymer layer, wherein the interface layer comprises one or more chemicals of the polymer layer bound with one or more chemicals of the coupling agent layer, wherein; the coated glass article is thermally stable at a temperature of at least about 260°
C. for 30 minutes;a light transmission through the coated glass article is greater than or equal to about 55% of a light transmission through an uncoated glass article for wavelengths from about 400 nm to about 700 nm; and the coupling agent comprises at least one of; a first silane, a hydrolysate thereof, or an oligomer thereof;
ora chemical formed from the oligomerization of at least the first silane and a second silane, wherein the first silane and the second silane are different; and the coated glass article is a pharmaceutical package. - View Dependent Claims (83, 84, 85, 86)
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87. A coated glass article comprising:
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a glass body comprising a first surface; and a low-friction coating positioned on at least a portion of the first surface of the glass body, the low-friction coating comprising a polymer and a coupling agent, wherein; the coated glass article is thermally stable at a temperature of at least about 260°
C. for 30 minutes; andthe coupling agent comprises a silsesquioxane. - View Dependent Claims (88, 89, 90, 91, 92)
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93. A coated glass article comprising:
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a glass body comprising a first surface and a second surface opposite the first surface, wherein the glass body is a glass container and the first surface is an exterior surface of the glass container; and a low-friction coating positioned on at least a portion of the first surface of the glass body, the low-friction coating comprising a polymer and a coupling agent, wherein; the coated glass article is a pharmaceutical package; the coated glass article is thermally stable at a temperature of at least about 260°
C. for 30 minutes;a light transmission through the coated glass article is greater than or equal to about 55% of a light transmission through an uncoated glass article for wavelengths from about 400 nm to about 700 nm; the low-friction coating 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; andthe coupling agent comprises at least one of; a mixture of a first silane and a second silane wherein the first silane is an aromatic silane;
ora chemical formed from the oligomerization of at least the first silane and the second silane, wherein the first silane and the second silane are different. - View Dependent Claims (94, 95, 96)
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97. A coated glass article comprising:
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a glass body comprising a first surface and a second surface opposite the first surface, wherein the glass body is a glass container formed from a borosilicate glass composition and the first surface is an exterior surface of the glass container; and a low-friction coating positioned on at least a portion of the first surface of the glass body, the low-friction coating comprising a polyimide and a coupling agent, wherein; the coated glass article is thermally stable at a temperature of at least about 260°
C. for 30 minutes;the coated glass article is a pharmaceutical package.
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Specification