B32B2307/31

ADHESIVE AGENT, LAMINATE, METHOD FOR MANUFACTURING LAMINATE, AND PACKAGING MATERIAL
20230212444 · 2023-07-06 · ·

Provided are a two-component curable adhesive which can be aged at room temperature and has favorable adhesiveness to various base materials, a laminate in which the adhesiveness between a base material and an adhesive is excellent even when aged at room temperature, and a packaging material including the laminate. The two-component curable adhesive includes a polyisocyanate composition (X) including a polyisocyanate compound (A) and a polyol composition (Y) including a polyol (B), in which a viscosity of the polyol composition at 50° C. is 20 mPa.Math.s or more and 180 mPa.Math.s or less.

Multilayer films and methods of making the same
11691398 · 2023-07-04 · ·

Disclosed are multilayer films with at least one MDO substrate.

Multilayer film, laminated film, and packaging
11692086 · 2023-07-04 · ·

The multilayer film of the present disclosure has at least a heat-sealing layer and a support layer formed on one side of the heat-sealing layer, wherein the first resin composition forming the heat-sealing layer comprises (a) high-density polyethylene, (b) a propylene random copolymer, and (c) a 1-butene polymer, wherein the content of the component (a) is 30 to 60% by mass, the content of the component (b) is 8 to 42% by mass, and the content of the component (c) is 16 to 56% by mass, wherein the component (a) has a melt flow rate of 10 to 30 g/10 minutes at 190° C., the component (b) has a melt flow rate of 8 to 20 g/10 minutes at 230° C., and the component (c) has a melt flow rate of 0.3 to 3 g/10 minutes at 190° C.

THERMOPLASTIC FILM AND THE MANUFACTURING METHOD THEREOF
20230001680 · 2023-01-05 ·

A thermoplastic film composed of a single-layer of thermally fuse film. The single-layer of thermally fuse film has a melting point of 50° C.-160° C. and a Shore hardness ranges from 40 A-80 A. The present invention also provides another thermoplastic film, which has a multi-layer structure and the multi-layer structure from bottom to top, there are first thermally fuse film, second thermal fuse and third thermally fuse film. The thickness ratio of the first thermally fuse film, the second thermally fuse film and the third thermally fuse film is 1:1-2:1, in which the thermally fuse film, the first thermally fuse film, the second thermally fuse film, and the third thermally fuse film are thermoplastic polyurethane respectively, and thermoplastic polyurethane contains aromatic functional group or with aliphatic functional group.

Easy opening film for vacuum skin packaging
11541631 · 2023-01-03 · ·

The present invention relates to cross-linked vacuum skin packaging (VSP) films used as top webs for VSP packages endowed with easy opening features and to VSP packages obtained therefrom. The films of the invention comprise at least one layer of a frangible blend of incompatible polymers. The easy-to-open VSP packages obtained therefrom may advantageously include very simple and cheap supports.

Cover film

A cover film having at least (A) a substrate layer, (B) an intermediate layer, (C) an adhesive layer, and (D) a heat seal layer having a heat sealable resin, a thermoplastic resin of the (D) heat sealing layer having a mixture of two types of (meth)acrylic acid ester copolymers having different glass transition temperatures and a hydrazide compound, wherein one of the (meth)acrylic acid ester copolymer in the (meth)acrylic acid ester copolymer mixture has a glass transition temperature of −20 to 10° C. and the other (meth)acrylic acid ester copolymer has a glass transition temperature of 40 to 80° C.

Cleaning device

Apparatus and method for receiving and holding debris in a collection chamber of a vacuum cleaner. The collection chamber has an inlet opening through which debris-entrained air enters the collection chamber. When the vacuum cleaner is off, an internal valve prevents debris from leaving the collection chamber through the inlet opening. The internal valve is movable from a first sealed position, in which the internal valve covers the chamber inlet opening, to a second unsealed position in which the internal valve does not cover the chamber inlet opening.

PACKAGING MATERIAL FOR THE FORMATION OF PACKAGING CONTAINERS AND PACKAGING CONTAINER FORMED FROM A PACKAGING MATERIAL
20220411152 · 2022-12-29 ·

A packaging material for the formation of packaging containers comprising at least a base layer having a hole and at least one separation element covering the hole. The hole extends within a plane being defined by a longitudinal axis and a transversal axis orthogonal to the longitudinal axis. An imaginary longitudinal line parallel to the first longitudinal axis and an imaginary transversal line parallel to the transversal axis mutually intersect at a center point of the hole. A first maximum extension of the hole along the imaginary longitudinal line is larger than a second maximum extension of the hole along the imaginary transversal line. The hole is asymmetric with respect to the imaginary transversal line.

MULTILAYER WATER-DISPERSIBLE ARTICLES

Disclosed herein are multilayer water-dispersible articles, optionally a film, comprising a water-soluble polymer and a wax. Also disclosed are multilayer water-dispersible articles including a water-dispersible substrate layer having a thickness in a range of about 5 μm to about 10 mm, and a water-dispersible coating layer on the substrate layer, the coating layer having a thickness in a range of about 0.5 to about 250 μm, wherein water-dispersible article has a moisture vapor transmission rate (MVTR) of about 60 g H.sub.2O/m.sup.2/day to about 300 g H.sub.2O/m.sup.2/day or less.

METHOD OF MAKING ZIPPER POUCH
20220410552 · 2022-12-29 ·

Provided is a process for preparing a zipper pouch, wherein the process comprises: A) forming a first laminate by a process comprising i) bringing together a polyisocyanate component and a polyol component to form an adhesive composition, ii) applying a layer of the adhesive composition to a layer of polyethylene terephthalate, iii) then contacting the layer of the adhesive composition with a layer of polyethylene having thickness of 80 micrometer or more; B) contacting a polymeric zipper construction to the first laminate at temperature of 200 C or higher. Also provided is a zipper pouch made by that process.