The present disclosure generally relates to a method for providing a non-uniform barrier coating on a hollow container (100) comprising molded pulp. The method comprises depositing a polymeric powder on the interior container surface in at least one predetermined portion (105a-d) of the hollow container and subsequently treating the container with heat or irradiation. The present disclosure also relates to a hollow container (100) comprising a non-uniform polymeric powder coating.

Powder coating compositions, particularly metal packaging powder coating compositions, coated metal substrates, and methods; wherein the powder coating compositions include powder polymer particles comprising a polymer having a number average molecular weight of at least 2000 Daltons, wherein the powder polymer particles have a particle size distribution having a D50 of less than 25 microns; and, in certain embodiments, one or more charge control agents in contact with the powder polymer particles.

A decrease in the adhesiveness of an in-mold label can be suppressed even when a silicone transferred from the protective layer side to the heat-sealable resin layer side. An in-mold label includes a substrate layer, a printed layer provided on one surface of the substrate layer, and a heat-sealable resin layer provided on the other surface of the substrate layer, a protective layer containing a silicone is provided on an outermost surface on one surface side of the substrate layer on which the printed layer is provided, and an adhesive strength decrease-inhibiting layer containing a (meth)acrylic acid based copolymer having a polar group is provided on an outermost surface on the other surface side of the substrate layer on which the heat-sealable resin layer is provided.

The present disclosure provides a coating composition useful as a coating on food cans, and particularly as interior white or gold food can coatings. The coating composition includes a polyester polymer preferably having a number average molecular weight (Mn) of less than 10,000, a glass transition temperature (Tg) of more than 60? C., and a hydroxyl value greater than 10 mg KOH/g resin. The polyester preferably includes one or more cyclic groups selected from a mono-cyclic group having five ring members or less, a polycyclic group, or both, preferably in a backbone of the polyester polymer.

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. At least the inner surface of the body may have a delamination factor less than or equal to 10. A tenacious inorganic coating may be positioned around at least a portion of the outer surface of the body. The outer surface of the body with the tenacious inorganic coating may have a coefficient of friction less than or equal to 0.7.

In embodiments, a delamination resistant glass pharmaceutical package includes a glass body formed from a Type 1 Class glass composition according to ASTM Standard E438-92, the glass body having a wall portion with an inner surface and an outer surface. The glass body may have at least a class A2 base resistance or better according to ISO 695, at least a type HGB2 hydrolytic resistance or better according to ISO 719 and Type 1 chemical durability according to USP <660>. An interior region of the glass body may extend from about 10 nm below the inner surface and have a persistent layer homogeneity. The glass body may also have a surface region extending over the inner surface and having a persistent surface homogeneity such that the glass body is resistant to delamination.

A method for forming a glass container having a low-friction coating is provided. method includes contacting a glass tube with a coupling agent solution to form a coated glass tube having a coupling agent layer, wherein the coupling agent includes an inorganic material, contacting the coated glass tube with at least one sacrificial material to form a sacrificial layer at least partially covering the coupling agent layer, subsequent to contacting the coated glass tube with at least one sacrificial material, forming at least one coated glass container from the coated glass tube, the at least one coated glass container including the coupling agent layer, ion exchange strengthening the at least one coated glass container in an ion exchange salt bath, and applying a polymer chemical composition solution to the at least one coated glass container to form a low-friction coating.

A coated glass package comprising a glass body having a Type 1 chemical durability according to USP 660, at least a class A2 base resistance or better according to ISO 695, and at least a type HGB2 hydrolytic resistance or better according to ISO 719. A lubricous coating having a thickness of ?100 microns may be positioned on at least a portion of the exterior surface of the glass body. The portion of the coated glass package with the lubricous coating comprises a coefficient of friction that is at least 20% less than an uncoated glass package and the coefficient of friction does not increase by more than 30% after undergoing a depyrogenation cycle. A horizontal compression strength of the coated glass package is at least 10% greater than an uncoated glass package and the horizontal compression strength is not reduced by more than 20% after undergoing the depyrogenation cycle.

A container for alcohol, e.g., a wine bottle, formed of a polymer wall has a body that terminates in a base, a shoulder, and a neck, the shoulder forming a tapered region between the neck and the body, and the neck terminating in a finish. The polymer wall is sufficiently thick to withstand extraction forces, one hour after capping, of between 12 and 40 daN when a natural cork stopper is used and between 10 and 45 daN when a synthetic stopper is used.

Glass pharmaceutical packages comprising glass containers are disclosed. In embodiments, a coated glass pharmaceutical package includes a glass container formed from one of a borosilicate glass composition that meets Type 1 criteria according to USP <660> or an alkali aluminosilicate glass having a Class HGA 1 hydrolytic resistance when tested according to the ISO 720-1985 testing standard. A lubricous coating may be positioned on at least a portion of the exterior surface of the glass container. The portion of the coated glass pharmaceutical package with the lubricous coating has a coefficient of friction that is at least 20% less than an uncoated glass pharmaceutical package. A horizontal compression strength of the portion of the coated glass pharmaceutical package with the lubricous coating may be at least 10% greater than an uncoated glass pharmaceutical package.