B32B27/16

Functional tie-layer formulations in biaxially oriented films containing HDPE

Disclosed are compositions and methods for multilayer films, which, in one embodiment may comprise a core layer comprising at least 50 wt. % of high-density polyethylene. Further, the multilayer film may include a first skin layer consisting essentially of one or more ethylene-propylene copolymers. Further still, the multilayer film may include a second skin layer consisting essentially of one or more ethylene-propylene-butylene terpolymers. And yet further, the multilayer film may be oriented in at least one direction, and at least two layers of the multilayer film are coextruded.

Poly(meth)acrylate, and coating composition and coated article containing same
11485805 · 2022-11-01 · ·

A poly(meth)acrylate represented by formula (1) can impart a hardcoat layer having exceptional scratch resistance, strong impact resistance, and excellent weather resistance, especially weather crack resistance. ##STR00001##
(R.sup.1-R.sup.4 represent hydrogen atoms, etc.; Y represents a divalent hydrocarbon group having a polycyclic structure; X represents a divalent or trivalent saturated hydrocarbon group in which at least one selected from oxygen atoms, etc., may be interposed; T represents a urethane group (bonds with X by an oxygen atom); Q represents a divalent or trivalent saturated hydrocarbon group in which at least one selected from oxygen atoms, etc., may be interposed; P represents a (meth)acryloyloxy group; a and c represent the number of Q-T bonded to X, a and c being 1 when X is divalent and 2 when X is trivalent; b and d represent the number of (meth)acryloyloxy groups bonded to Q, b and d being 1 or 2 when a or c is 1, and being 2, 3, or 4 when a is 2; and n represents an integer of 0-6.)

Package for an ophthalmic device having a multilayer lidstock containing a cyclic olefin seal layer
11485557 · 2022-11-01 · ·

The present invention is related to a contact lens package with a heat sealable multilayer packaging lidstock formed from: a support layer and a peelable seal layer made from a polymer blend, such polymer blend formed from a material: from 40 to 85% by weight of one or more first amorphous cyclic olefin polymer(s) characterized by a glass transition temperature of at least 120° C. from 10 to 55% by weight of one or more second amorphous cyclic olefin polymer(s) characterized by a glass transition temperature of less than 120° C., and from 0.5 to 15% by weight, preferably 0.5 to 10% by weight of at least one elastomeric copolymer comprising at least one polymerized monovinylarene and at least one polymerized acyclic olefin.

METHODS FOR APPLYING POLYURETHANE COATINGS TO GOLF BALLS HAVING A THERMOPLASTIC POLYURETHANE COVER
20230088331 · 2023-03-23 · ·

Golf balls having covers made of thermoplastic polyurethane compositions are provided. Multi-piece golf balls can be made. Polyurethane primer coatings and polyurethane top-coatings are applied to the thermoplastic polyurethane cover. Different coating methods can be used. Isocyanate-rich and polyol-rich polyurethane coatings can be applied. In one embodiment, the golf ball can be treated with a multi-functional isocyanate prior to applying the coatings. The polyurethane cover composition and surface coatings can further include catalysts, ultraviolet (UV)—light stabilizers, and other additives. Heat is used to cure the coatings. The coating methods have many benefits and the finished balls have good physical properties.

POLYOLEFIN-BASED RESIN FILM AND LAMINATE INCLUDING THE SAME
20220348752 · 2022-11-03 · ·

The invention provides a polyolefin-based resin film including a polyolefin-based resin composition that comprises a propylene-α olefin random copolymer, an ethylene-butene copolymeric elastomer, and a propylene-butene copolymeric elastomer, wherein (1) the polyolefin-based resin composition contains 2 to 9 parts by weight of the ethylene-butene copolymeric elastomer and 2 to 9 parts by weight of the propylene-butene copolymeric elastomer based on 100 parts by weight of the propylene-α olefin random copolymer; (2) the polyolefin-based resin film exhibits a thermal shrinkage rate after heating at 120° C. for 30 minutes of 25% or less in a direction in which the thermal shrinkage rate after heating at 120° C. for 30 minutes is larger between a longitudinal direction and a lateral direction of the polyolefin-based resin film; and (3) a planar orientation coefficient ΔP calculated from a refractive index of the polyolefin-based resin film is 0.0100-0.0145.

DECORATIVE SHEET AND DECORATIVE MATERIAL USING SAME

A decorative sheet having a surface protective layer on substrate, wherein the surface protective layer is obtained by crosslinking and curing composition A containing an ionizing radiation-curable resin composition and radical scavenger; the radical scavenger contains radical scavenger i which includes ethylenic double bond polymerizable with ionizing radiation-curable resin composition and radical scavenger ii which does not include ethylenic double bond polymerizable with ionizing radiation-curable resin composition; a content of radical scavenger in composition A is not less than 0.5 parts by mass and less than 10.0 parts by mass based on 100 parts by mass of the ionizing radiation-curable resin composition; and a water vapor transmission rate of the decorative sheet when measured in accordance with Testing Methods for Determination of the Water Vapor Transmission Rate of Moisture-Proof Packaging Materials (Dish Method) defined in JIS Z0208:1976 is not less than 0.75 g/m.sup.2.Math.24 h and not more than 45 g/m.sup.2.Math.24 h.

DECORATIVE SHEET AND DECORATIVE MATERIAL USING SAME

A decorative sheet having a surface protective layer on substrate, wherein the surface protective layer is obtained by crosslinking and curing composition A containing an ionizing radiation-curable resin composition and radical scavenger; the radical scavenger contains radical scavenger i which includes ethylenic double bond polymerizable with ionizing radiation-curable resin composition and radical scavenger ii which does not include ethylenic double bond polymerizable with ionizing radiation-curable resin composition; a content of radical scavenger in composition A is not less than 0.5 parts by mass and less than 10.0 parts by mass based on 100 parts by mass of the ionizing radiation-curable resin composition; and a water vapor transmission rate of the decorative sheet when measured in accordance with Testing Methods for Determination of the Water Vapor Transmission Rate of Moisture-Proof Packaging Materials (Dish Method) defined in JIS Z0208:1976 is not less than 0.75 g/m.sup.2.Math.24 h and not more than 45 g/m.sup.2.Math.24 h.

DECORATIVE SHEET AND DECORATIVE MATERIAL USING SAME

There are provided a decorative sheet which has excellent weatherability and in which white pigment particles are dispersed well, and a decorative material using the decorative sheet, The decorative sheet includes at least a substrate and a surface protective layer, wherein the surface protective layer contains an ultraviolet absorber, and the substrate contains white pigment particles, and wherein the white pigment particles are titanium oxide particles having a coating containing Al element and Si element and formed on part or the whole of their surfaces, and contain Ti, Al and Si elements in the predetermined mass ratio, and a water vapor transmission rate of the decorative sheet satisfies the predetermined condition.

CURABLE REACTIVE SILICONE COMPOSITION, CURED PRODUCT THEREOF AND USES OF COMPOSITION AND CURED PRODUCT

Provided is: a curing reactive silicone composition having sufficient toughness and pressure sensitive adhesive strength to temporarily secure various substrate even in an uncured state, having heat meltability and excellent moldability of a sheet or the like, and that can be quickly cured by high energy irradiation to achieve high adhesive strength; a method of manufacturing a sheet thereof a cured product thereof that can achieve high adhesive strength by crimping; and applications thereof. The curing reactive silicone composition comprises: (A) an MQ resin; (B) a chain organopolysiloxane having at least two groups containing an aliphatic unsaturated carbon-carbon bond, and a degree of siloxane polymerization within a range of 80 to 3000; (C) an organohydrogenpolysiloxane; and (D) a hydrosilylation reaction catalyst activated by a high energy beam. The amount of component (A) is more than 55 mass % and less than 90 mass % of the sum of components (A) to (C).

FLEXIBLE SHEET OF POLYETHYLENE TEREPHTHALATE AND HEAT-ACTIVATED ADHESIVE, AND THERMAL COOLING STRUCTURE USING THE SAME

A flexible sheet having enhanced thermal conductivity, electrical isolation and bonding strength includes a first layer of polyethylene terephthalate having opposed first and second sides and an electrical isolation of at least 500 ohms at 2.0 kV DC, and a second layer of heat-activated adhesive attached to and covering the first side. The heat-activated adhesive has a bonding strength of greater than 50 psi, and the first and second layers together have a thermal conductivity of at least 0.7 W/mK. A thermal cooling structure for use with high-voltage battery applications includes the first layer of polyethylene terephthalate, the second layer of heat-activated adhesive, a third layer of thermal interface material attached to and covering the second side of the first layer, and a metallic cooling plate attached to the second layer.