C08J7/042

Aqueous Coating Composition and Method for Forming Multilayer Coating Film
20230122064 · 2023-04-20 ·

The present invention relates to an aqueous coating composition which has excellent storage stability, while being capable of forming a coating film that exhibits excellent chipping resistance and excellent finish appearance in a dust part and in a film formation part. The present invention provides an aqueous coating composition which contains (A) a urethane resin that is obtained from constituents including (a1) a polyisocyanate component and (a2) a polyol component containing (a2-1) a polyether polyol and (a2-2) a polycarbonate polyol, (B) at least one hydroxyl group-containing resin that is selected from among (B1) hydroxyl group-containing acrylic resins and (B2) hydroxyl group-containing polyester resins, (C) an organic solvent that has a solubility parameter within the range of from 8.8 to 10.1, and (D) water, wherein based on 100 parts by mass of the resin solid content in the aqueous coating composition, the content of the urethan resin (A) is within the range of from 60 to 85 parts by mass and the content of the organic solvent (C) is within the range of from 5 to 30 parts by mass.

Laminate and conductive roller
11630401 · 2023-04-18 · ·

Providing a laminate having an excellent adhesiveness between a base layer and a surface layer while having a good flexibility. In order to solve the aforementioned problems, the laminate of the present disclosure comprises at least a base layer, an intermediate layer and a surface layer, wherein a base layer composition contains an urethane resin, an intermediate layer composition contains an energy ray curable resin having (meth)acryloyl group in a molecule thereof, and, a non-UV curable resin having only isocyanate group as reactive functional group, and a surface layer composition contains a UV curable resin having the (meth)acryloyl group in the molecule.

HARD COATING FILM AND DISPLAY WINDOW INCLUDING THE SAME
20230067520 · 2023-03-02 ·

A hard coating film according to an embodiment includes a substrate layer, a first hard coating layer formed on the substrate layer and satisfying a predetermined elastic recovery rate, and a second hard coating layer formed on the first hard coating layer and satisfying a predetermined water contact angle. The hard coating film according to embodiments may provide improved press resistance, scratch resistance, and flexibility.

SILICONE HYDROGEL LENS WITH A CROSSLINKED HYDROPHILIC COATING

The invention is related to a cost-effective method for making a silicone hydrogel contact lens having a crosslinked hydrophilic coating thereon. A method of the invention involves heating a silicone hydrogel contact lens in an aqueous solution in the presence of a watersoluble, highly branched, thermally-crosslinkable hydrophilic polymeric material having positively-charged azetidinium groups, to and at a temperature from about 40° C. to about 140° C. for a period of time sufficient to covalently attach the thermally-crosslinkable hydrophilic polymeric material onto the surface of the silicone hydrogel contact lens through covalent linkages each formed between one azetidinium group and one of the reactive functional groups on and/or near the surface of the silicone hydrogel contact lens, thereby forming a crosslinked hydrophilic coating on the silicone hydrogel contact lens. Such method can be advantageously implemented directly in a sealed lens package during autoclave.

OPTICAL LAMINATE AND FLEXIBLE DISPLAY DEVICE INCLUDING THE SAME

This invention relates to an optical laminate comprising: a hard coating layer comprising polysiloxane; a primer layer; and an anti-finger print layer comprising a fluorine-containing compound, and having specific change in water contact angle and specific change in coefficient of friction, before and after conducting friction test on the anti-finger print layer; and a flexible display device including the same.

COATING COMPOSITIONS, LAYERS, AND SYSTEMS FOR RADAR TRANSMISSION AND METHODS FOR MAKING AND USING THE SAME

A coating composition, a coating layer, and a coating system, and a method for making a and using the same are provided. The coating system comprises a flop index of 2 or greater and comprises a coating layer formed by a coating composition. The coating composition comprises a film-forming resin and a pigment composition. The pigment composition comprises 50% or greater by weight radar transmissive pigment based on the total weight of the pigment composition and no greater than 50% by weight electrically conductive pigment based on the total weight of the pigment composition. The coating system has a radar signal transmission of 70% or greater. The coating system has a CIELAB color difference, ΔE, compared to a color-matched coating system of no greater than 4, as measured at 110°, using a multi-angle spectrophotometer with D65 Illumination and 10° observer.

Multifunctional diffusion barrier

A multifunctional diffusion barrier comprising at least one organic polymer and a 2D graphene or 2D graphene derivative material and a method for preparing the multifunctional barrier. The multifunctional diffusion barrier can be used as a liquid and/or gas barrier, or as structural material, or as sealing material, or as a self-cleaning material or as protective material against UV radiation in aeronautical, automotive, marine or building field. The multifunctional diffusion barrier is suitable in producing parts of aircraft such as a fuel tank, a fuel tank conduit and a gasket.

DECORATIVE PANEL

The invention relates to a decorative panel, comprising at least one substrate comprising an upper surface and a bottom surface and two pairs of opposing side edges, wherein the substrate comprises at least one core layer and at least one decorative layer and the panel comprising at least one coating layer, wherein the coating layer is provided upon the upper surface of the substrate, wherein both the upper surface of the substrate and the upper coating surface of the coating layer have a predetermined Shore D hardness.

MULTILAYER SURFACING FILM
20230109808 · 2023-04-13 ·

Provided is a multilayer film that includes a top layer and a barrier layer. The top layer includes a polyurethane network and having an exposed major surface. The barrier layer includes a fluoropolymer and having opposed first and second major surfaces, where the first major surface is modified by a surface treatment and wherein the top layer is disposed on the first major surface. When bonding to a curable substrate, the barrier layer can prevent migration of low molecular weight species from the curable substrate into the polyurethane network, thereby avoiding discoloration resulting from exposure of these species to ultraviolet light and other weathering factors.

Hydrophilic coatings and methods of forming the same

Hydrophilic coatings including a base coat layer and a top coat layer wherein at least one of the base coat and top coat compositions that form the hydrophilic coatings comprises a diacrylate compound have a number average molecular weight less than 1000.