B32B2307/31

POLYOLEFIN-BASED RESIN FILM AND LAMINATED BODY USING SAME
20230148197 · 2023-05-11 · ·

The invention provides a polyolefin-based resin film formed from a polypropylene-based resin composition and containing, in a total of 100 parts by weight of the polypropylene-based resin composition, 20-95 parts by weight of a propylene-α olefin random copolymer containing a metallocene-based olefin polymerization catalyst; 0-75 parts by weight of a propylene-α olefin random copolymer containing a Ziegler-Natta-based olefin polymerization catalyst; and 5-15 parts by weight of at least one type of an elastomer selected from the group consisting of an ethylene-butene copolymer elastomer, a propylene-butene copolymer elastomer, and an ethylene-propylene copolymer elastomer, wherein a heat shrinkage ratio in a direction in which a heat shrinkage ratio is larger among a longitudinal direction and a width direction of the polyolefin-based resin film is 1-10%, and an orientation coefficient ΔNx in an x-axis direction calculated from a refractive index of the polyolefin-based resin film is 0.0130-0.0250.

Packaging material with barrier properties
11643259 · 2023-05-09 · ·

The present invention is directed to a packaging material, more specifically a packaging material having gas and/or moisture barrier properties, wherein the material comprises a barrier material comprising a layer comprising at least 50% of a zinc ionomer, a layer of polyethylene and a layer that forms a gas barrier. The invention is also directed to packaging products using said barrier material. Such products are in particular packages suitable for cosmetics and personal care products.

POLYOLEFIN-BASED RESIN FILM
20230135527 · 2023-05-04 · ·

The invention provides a polyolefin-based resin film formed from a polypropylene-based resin composition, the polyolefin-based resin film containing: in 100 parts by weight of a polypropylene-based resin composition, 40 to 97 parts by weight of a propylene-ethylene block copolymer; 0 to 50 parts by weight of a propylene-α olefin random copolymer or a propylene homopolymer; and 3 to 10 parts by weight of at least one type of an elastomer selected from the group consisting of an ethylene-propylene copolymer elastomer, a propylene-butene copolymer elastomer, and an ethylene-butene copolymer elastomer, wherein a heat shrinkage ratio in a longitudinal direction is not lower than 1% and not higher than 9%, and an x-axis orientation coefficient ΔNx calculated from a refractive index is not less than 0.0150 and not larger than 0.0250. The invention also provides a laminated body containing the polyolefin-based resin film, as well as a packaging body formed therefrom.

RESIN COMPOSITION AND FILM
20230139240 · 2023-05-04 · ·

A resin composition including a resin R including a repeating unit having a partial structure of Formula (I) or (II):

##STR00001##

where Q.sub.A is an ester bond shown in the Formula (I), R.sub.A is a substituent group, n1 is any of integers 1 to 5, * is a bonding site with a remainder of the repeating unit, and ** is a bonding site with a phenyl group in the Formula (I);

##STR00002##

where Q.sub.B is a linking group or a single bond other than the ester bond of Q.sub.A in Formula (I), R.sub.B is a substituent group, with at least one R.sub.B being a hydroxyl group, n2 is any of integers 1 to 5, and * is a bonding site with a remainder of the repeating unit.

SOLE SYSTEM FOR AN ARTICLE OF FOOTWEAR INCORPORATING A KNITTED COMPONENT WITH A ONE-PIECE KNIT OUTSOLE AND A TENSILE ELEMENT
20230200483 · 2023-06-29 ·

An article of footwear including a sole system, including an upper and the sole system. The sole system includes a knitted component incorporating a one-piece knit outsole. The knit outsole has a ground-facing side, a top side, an inlaid tensile element, and a ground-engaging cleat member protruding from the ground-facing side of the knit outsole. The tensile element may be adjacent a cleat member. The upper is connected at its bottom to the top side of the knit outsole.

VACUUM INSULATION PANEL WITH IMPROVED SEALING JOINT
20170368799 · 2017-12-28 · ·

A vacuum insulation panel includes two laminate films each having at least a gas barrier layer and a sealant layer, a core material sealed at a reduced pressure between the two laminate films disposed so that the sealant layers may be opposite to each other, and a sealing joint extending from the inner peripheral edge of the two laminate films to an outer peripheral edge defining a joint width, where the sealant layers are fused to each other so as to surround the whole circumference of the core material. The sealing joint has at least one constricted section with a thickness of the fused sealant layers which is lower than the thickness of the non-constricted fused sealant layers extending essentially parallel to the edges. The constricted section/s is/are arranged at the outer peripheral edge and/or at the inner peripheral edge of the two laminate films.

MULTILAYER FILM, PACKAGING MATERIAL AND PACKAGE

A multilayer film including a first outer layer containing 70 to 30% by mass of a propylene homopolymer (A) and 30 to 70% by mass of a propylene/ethylene random copolymer (B) having an ethylene content of 5% by mass or less, an inner layer containing a propylene/ethylene block copolymer (C) and an ethylene/propylene copolymer elastomer (D), and a second outer layer containing 70 to 30% by mass of the propylene homopolymer (A) and 30 to 70% by mass of the propylene/ethylene random copolymer (B) having an ethylene content of 5% by mass or less, in that order.

VACUUM INSULATION ELEMENT

The present invention pertains to a vacuum insulation element suitable as a fire protection insulation element, comprising a core material and an envelope completely surrounding the core material, said envelope comprising a plastics layer and a stainless steel layer disposed on the plastics layer.

SEALANT FILM, LAMINATED FILM, AND PACKAGING MATERIAL
20230202156 · 2023-06-29 · ·

A sealant film including a surface resin layer (A), an adhesive resin layer (B), a release resin layer (C), and a heat seal resin layer (D) that are laminated is provided. The adhesive resin layer (B) contains a thermoplastic elastomer (b1) and a tackifier resin (b2). The release resin layer (C) contains a certain amount of an ethylene ionomer (c1) with a polar group concentration exceeding 5.5 mol % and an ethylene ionomer (c2) with a polar group concentration of 5.5 mol % or less in a resin component contained in the release resin layer (C). The heat seal resin layer (D) contains a certain amount of an olefin resin (d1) and a thermoplastic elastomer (d2) in a resin component contained in the heat seal resin layer (D).

ACRYLIC POLYVINYL ACETAL FILMS, COMPOSITION, AND HEAT BONDABLE ARTICLES

A film is described comprises a (meth)acrylic polymer and a polyvinyl acetal (e.g. butyral) resin. The film has a tensile elastic modulus of at least 1 MPa at 25° C. and 1 hertz and a glass transition temperature (i.e. Tg) less than 30 C. The film typically comprises photoinitiator as a result of the method by which the film was made. In one embodiment, the film is heat bondable and further comprising a backing.