An optical member includes a laminated body configured to reduce light reflection disposed on a substrate, wherein a surface of the laminated body is a porous layer or a layer having a textured structure, and at least one layer of the laminated body is a polymer layer containing a linear polymer and a branched polymer. A method for manufacturing the optical member is also provided. The branched polymer content is 10% by weight or more and 90% by weight or less of the total weight of the linear polymer and the branched polymer. The layer having a textured structure contains crystals mainly composed of aluminum oxide.

Coated packaging and methods for coating such packaging are disclosed. The coating compositions comprise a polymer comprising acid functionality and a polyoxazoline.

Coated packaging and methods for coating such packaging are disclosed. The coating compositions comprise a polymer comprising acid functionality and a polyoxazoline.

A coating composition that includes a polymer having (i) a barrier segment with aromatic groups and urethane linkages, urea linkages, or a combination thereof and (ii) an elastomeric segment that is different from (i). The barrier segment makes up at least 30 weight % of the polymer based on the total solids weight of the polymer. Further, the composition also includes an adhesion promoter having: (a) at least one epoxy functional polymer and a thiol functional crosslinker reactive with the epoxy functional polymer; and/or (b) a hydrazide functional component.

A coating composition that includes a polymer having (i) a barrier segment with aromatic groups and urethane linkages, urea linkages, or a combination thereof and (ii) an elastomeric segment that is different from (i). The barrier segment makes up at least 30 weight % of the polymer based on the total solids weight of the polymer. Further, the composition also includes an adhesion promoter having: (a) at least one epoxy functional polymer and a thiol functional crosslinker reactive with the epoxy functional polymer; and/or (b) a hydrazide functional component.

Disclosed is a coating composition including an amount of about 5 to 15 wt % of polyamide-imide (PAI), an amount of about 5 to 15 wt % of polytetrafluoroethylene (PTFE), an amount of about 0.5 to 1.5 wt % of fluorosilane, an amount of about 1 to 5 wt % of a ceramic particle, and a solvent component, wherein all the wt % are based on the total weight of the coating composition.

Coating compositions and methods for their preparation are described. The coating compositions can include a first copolymer produced by emulsion polymerization and derived from one or more monomers including one or more (meth)acrylates, one or more acid monomers, and optionally styrene. The first copolymer can have a Tg from 50 C. to 23 C. and is present in an amount of 10-50% by weight based on the total polymer content. The coating compositions can also include a second copolymer produced by emulsion polymerization and derived from one or more monomers including one or more (meth)acrylates, one or more acid monomers, and optionally styrene. The second copolymer can have a Tg from 15 C. to 25 C. and is present in an amount of 50-90% by weight based on the total polymer content. Further described herein are dried coatings, methods for coating a substrate, and methods for producing a coating.

Coating compositions and methods for their preparation are described. The coating compositions can include a first copolymer produced by emulsion polymerization and derived from one or more monomers including one or more (meth)acrylates, one or more acid monomers, and optionally styrene. The first copolymer can have a Tg from 50 C. to 23 C. and is present in an amount of 10-50% by weight based on the total polymer content. The coating compositions can also include a second copolymer produced by emulsion polymerization and derived from one or more monomers including one or more (meth)acrylates, one or more acid monomers, and optionally styrene. The second copolymer can have a Tg from 15 C. to 25 C. and is present in an amount of 50-90% by weight based on the total polymer content. Further described herein are dried coatings, methods for coating a substrate, and methods for producing a coating.

A golf ball and golf ball composition are disclosed. The golf ball may include a core layer. The golf ball may further include a cover layer. The golf ball may contain any layer that includes a Zylon based material.

A polymer is described herein that includes a plurality of N-J-N or NCS repeating units, wherein each J is independently a carbon atom, an alkyl group, or an aryl group; a plurality of hydrophilic groups bonded with the repeating units; and a plurality of hydrophobic groups bonded with the hydrophilic groups and the repeating units. Such polymers may be made into hydrogels by exposure to water, and the hydrogels may be used as delivery vehicles for various payloads.