B32B27/308

AN AQUEOUS TWO-COMPONENT ADHESIVE
20220411682 · 2022-12-29 ·

The invention relates to an aqueous two-component adhesive and use thereof, in particular to the use for laminating a rigid substrate and a plastic film, a laminated product comprising the adhesive, and a method for producing a laminated product. The aqueous two-component adhesive comprises component A and component B, the component A comprising more than 50% by weight and not more than 99% by weight of an aqueous polyurethane dispersion; the B component comprising 1% by weight to 16% by weight of water-dispersible modified polyisocyanate based on hexamethylene diisocyanate, the above weight percentage based on the amount of the adhesive being 100% by weight; wherein the aqueous polyurethane dispersion comprises polyurethane dispersed therein, the enthalpy of melting of the polyurethane being 26 to 100 J/g, preferably 30 to 100 J/g, particularly preferably 30 to 60 J/g, measured at 20° C. to 100° C. for the first heating curve by DSC according to DIN65467 (1999). The aqueous two-component adhesive has the advantages of safety and environmental protection, excellent performance and low laminating temperature.

PHOTOVOLTAIC MODULE BACKSHEET COMPRISING POLYOLEFIN LAYERS

The present invention relates to a photovoltaic module backsheet, comprising photovoltaic module backsheet comprising, in order: a functional layer; a connecting layer; and a weather-resistant layer, wherein each layer of the backsheet comprises at least 50 wt. % polyolefin and the backsheet is free of fluorinated polymers, characterized in that: i) the functional layer comprises a blend of polyethylene and a polyethylene copolymer; and ii) the weather-resistant layer comprises polypropylene; a UV stabilizer; a primary antioxidant, which primary antioxidant is a phenolic antioxidant or an aromatic amine antioxidant; and secondary antioxidant, which secondary antioxidant is a trivalent phosphorus containing antioxidant or a thioether containing antioxidant. The present invention also relates to a process for producing the backsheet and a photovoltaic module comprising the backsheet according to the present invention.

RESIN COMPOSITION, PLATE-SHAPED MOLDED ARTICLE, MULTILAYERED ARTICLE, AND ANTI-REFLECTION FILM

Provided is a resin composition capable of providing a plate-shaped molded article having a high refractive index as well as a high hardness, and a plate-shaped molded article, a multilayered article, and an anti-reflection film formed from the resin composition. The resin composition contains 10 to 99 parts by mass of an acrylic resin (A); and 90 to 1 part by mass of a random copolymer (B) derived from a monomer composition B composed of 5 to 95 mass % of a (meth)acrylate represented by the formula (b1) (b-1), 5 to 95 mass % of an aromatic (meth)acrylate (b-2), and 0 to 20 mass % of an additional monomer (b-3); in the formula (b1), Rb.sup.1 is a hydrogen atom or a methyl group, and Rb.sup.2 is an aliphatic group.

##STR00001##

DISPLAY PROTECTOR

A display protector includes a transparent base layer having a first surface and a second surface opposite to the first surface; a first stress relief adhesive layer on the first surface of the transparent base layer; a second stress relief adhesive layer on the second surface of the transparent base layer; and an ultra-thin glass (UTG) layer on the first stress relief adhesive layer, wherein a storage modulus of the first stress relief adhesive layer is about 0.03 MPa to about 0.2 MPa at −10° C.

Detection device, method for preparing the same, detection system comprising the same, and detection method using the same
20220412891 · 2022-12-29 ·

A detection device for virus detection is provided, which includes: a carrier including a recess; and a metal layer disposed in the recess and having a contact angle ranging from 0 degrees to 10 degrees, wherein a plurality of cavities are formed on a first surface of the metal layer opposite to a second surface of the metal layer facing the carrier, the plurality of cavities are arranged in an array, and a plurality of first protrusions are formed on the first surface of the metal layer and near to the plurality of cavities. In addition, a detection system for virus detection comprising the aforesaid detection device, a method for detecting viruses using the aforesaid detection device, and a method for preparing the detection device are also provided.

ADHESIVE FILM FOR DISPLAY
20220411668 · 2022-12-29 ·

An adhesive film for a display includes a first adhesive layer including an adhesive resin; a water-vapor barrier layer disposed on the first adhesive layer; a second adhesive layer disposed on the water-vapor barrier layer and including an adhesive resin; and an optical film disposed on the second adhesive layer, wherein at least one layer of the first adhesive layer or the water-vapor barrier layer contains at least one tungsten oxide selected from a group consisting of cesium-doped tungsten oxide (CWO; cesium-doped WO.sub.3) and tungsten oxide (WO.sub.3).

ISOCYANATE-REACTIVE COMPOSITIONS, POLYURETHANE FOAMS FORMED THEREFROM, MULTI-LAYER COMPOSITE ARTICLES THAT INCLUDE SUCH FOAMS, AND METHODS FOR THEIR PREPARATION
20220411564 · 2022-12-29 ·

Isocyanate-reactive composition that include a polyol blend, a blowing agent composition, and a catalyst. The polyol blend includes a polyether polyol having a functionality of 2 to 6 and an OH number of 20 to 50 mg KOH/g, which is present in an amount of at least 30% by weight, based on total weight of the isocyanate-reactive composition, and an aromatic polyester polyol having a functionality of 1.5 to 3 and an OH number of 150 to 450 mg KOH/g, which is present in an amount of at least 40% by weight, based on total weight of the isocyanate-reactive composition. The blowing agent composition includes water, the water being present in an amount of 1 to 20% by weight, based on total weight of the isocyanate-reactive composition and in an amount of at least 90% by weight, based on total weight of the blowing agent composition. The isocyanate-reaction composition has a green content of at least 30% by weight, based on total weight of the isocyanate-reactive composition. Polyurethane foam-forming reaction mixtures, polyurethane foams, multi-layer composite articles and methods for their production are also described.

Glass Substrate Multilayer Structure, a Method for Manufacturing the Same, and a Display Panel Including the Same
20220410527 · 2022-12-29 ·

Provided are a glass substrate multilayer structure including a glass substrate; a polyimide-based shatter-proof layer formed on one surface of the glass substrate; and a hard coating layer formed on the polyimide-based shatter-proof layer. The polyimide-based shatter-proof layer has a thickness of 5 to 50 μm, the hard coating layer has a thickness of 5 to 20 μm, and the glass substrate multilayer structure has a retardation in a thickness direction (R.sub.th) of 200 nm or less. A method for manufacturing the glass substrate multilayer structure, and a display panel including the glass substrate multilayer structure are also provided.

Adhesive film and display member including the same

An adhesive film and a display member, the adhesive film being formed of an adhesive composition that includes a monomer mixture comprising a hydroxyl group-containing (meth)acrylate and a comonomer, wherein the adhesive film has a recovery rate of about 40% to about 99%, the recovery rate being determined according to Method A as described herein, and wherein the adhesive film has a bubble generation area of about 0%, the bubble generation area being determined according to Method B as described herein.

Floor tile including fabric material and manufacturing method thereof
11536036 · 2022-12-27 · ·

The present invention relates to: a floor tile including a fabric material, and comprising a balancing layer, a noise prevention layer, a functional sheet layer, a fabric material layer, and a surface coating layer; and a manufacturing method thereof and more specifically to a floor tile including a fabric material and a manufacturing method thereof, the floor tile being a functional tile having a natural texture and a three-dimensional effect possessed by the fabric material, having excellent durability, preventing delamination of the fabric material layer, exhibiting excellent mechanical properties such as tensile strength, and enhancing cleaning facilitation.