C08J5/127

High barrier recyclable laminated film and preparation method thereof

The present application discloses a high-barrier polyolefin composite film, including, from the outside to the inside, an outer PE film, a water-barrier layer, a high-barrier PVA coating layer, an adhesive layer, and an inner PE film, wherein the inner PE film comprises the following raw materials in percentage by weight: 10-20% of HDPE, 30-50% of MDPE, 20-26% of LLDPE, 10-20% of LDPE, 8-12% of a water- and oxygen-barrier masterbatch, and 1-3% of an auxiliary agent; the water- and oxygen-barrier masterbatch includes the following raw materials in parts by weight: 10-20 parts of polycarbonate, 0.1-0.3 parts of a compatibilizer, 10-20 parts of an ethylene-vinyl acetate copolymer (EVA), 1-2 parts of single-layer graphene, and 1-2 parts of polyhedral oligomeric silsesquioxane.

Wet Adhesion of Storage-Stable Polychloroprene-Based Spray Adhesives

An aqueous dispersion contains at least polychlorprene, a component selected from the group consisting of dilute silicic acid sol, a modified silica sol and mixtures thereof, a acrylic acid or a copolymer containing acrylic acid ester and optionally further additives. The aqueous dispersion has a pH of 9.7 to 10.8. The disclosure also relates to a method for preparing the aqueous dispersion, to an adhesive composition at least containing the aqueous dispersion, to the use of the dispersion for preparing adhesive compositions, to the use of the dispersion for adhesively bonding foam substrates according to the spray coagulation method, to an adhesive composite containing at least one substrate and/or sheet material adhesively bonded using the aqueous dispersion, and to a method for producing a composite material. At least two joining parts of the composite material are adhesively bonded using the aqueous dispersion.

Method of bonding to foil
09605117 · 2017-03-28 · ·

Provided is a waterborne adhesive composition comprising (i) an aqueous medium; (ii) one or more isocyanate compounds dispersed in said aqueous medium, and (iii) one or more functional silane compounds dispersed in said aqueous medium. Also provided is a method of bonding a metal foil to a polymeric film comprising the steps of (A) applying a layer of the waterborne adhesive composition to a surface of said metal foil, (B) drying said layer of said adhesive composition to produce a layer of dried adhesive, and (C) after said drying, bringing a surface of a polymeric film into contact with said layer of said dried adhesive composition.

Scent Window Sniffer Card
20250090711 · 2025-03-20 ·

The present invention is drawn to an innovative scent and freshener device and a method of manufacturing the device comprising a layered stack having a pull tab aperture for release of the fragrance. The scent composition is encapsulated thus preventing leakage and the scent remains pure and uncompromised. A scent sniff window card may hold one fragrance or multiple fragrances. The scent window sniff card is streamlined and uses minimal parts thus reducing manufacturing costs and landfill waste.

COMPOSITE MATERIAL COMPRISING POLYURETHANE AND TANNED BACTERIAL CELLULOSE, AND METHOD FOR MANUFACTURING THE SAME

The present invention refers to a composite material comprising a polyurethane foam backing material sheet and a tanned bacterial cellulose (BC) membrane either integrally joint together or adhered to each other by an adhesive, and methods for manufacturing the same.

GAS BARRIER LAMINATE, PACKAGING CONTAINER, AND PACKAGED PRODUCT
20250340050 · 2025-11-06 · ·

A gas barrier laminate includes a gas barrier film having a gas barrier layer on at least one side of a substrate including a first polypropylene film, and at least one second polypropylene film laminated on the gas barrier film. The gas barrier layer is obtained using a composition for forming the gas barrier layer that contains a resin and a first silicon compound. The first silicon compound is at least one of a silicon alkoxide represented by a following general formula (1) and a hydrolysate thereof, and a chlorine content as measured by combustion ion chromatography is more than 0.0008% by mass and 0.0080% by mass or less relative to a total mass of the gas barrier laminate. Si(OR.sup.1).sub.4 . . . (1) (In the above general formula (1), OR.sup.1 represents a hydrolyzable group.)

Multilayer composites of printed films

The invention relates to a multilayer composite, containing a first polymeric layer which on a side is coated with a printing ink containing a polyurethane as binder, and a second layer which with a polyurethane dispersion as adhesive is joined at least partly with the side of the first polymeric layer which is coated with the printing ink containing a polyurethane as binder.