Various systems are provided herein for sealing and dispensing the contents of containers. The systems can include openings that may be movable relative to one another between sealed positions and dispensing positions.

The present disclosure provides a fitment. In an embodiment, a fitment is provided and includes a top portion, a base, and a channel extending through the top portion and the base for passage of a flowable material. The fitment is composed of a polymeric composition. The polymeric composition includes (i) from 70 to 90 weight percent of a high density polyethylene (HDPE) having a density from 0.940 g/cc to 0.970 g/cc, a melt temperature, Tm, greater than 125° C., and a melt index from 1 g/10 min to 50 g/10 min; and (ii) from 30 to 10 weight percent of an olefin-based elastomer having a density from 0.860 g/cc to 0.905 g/cc, a melt index from 0.2 g/10 min to 50 g/10 min, and a Tm less than 125° C.

The present disclosure provides a fitment. In an embodiment, a fitment is provided and includes a top portion, a base, and a channel extending through the top portion and the base for passage of a flowable material. The fitment is composed of a polymeric composition. The polymeric composition includes (i) from 70 to 90 weight percent of a high density polyethylene (HDPE) having a density from 0.940 g/cc to 0.970 g/cc, a melt temperature, Tm, greater than 125° C., and a melt index from 1 g/10 min to 50 g/10 min; and (ii) from 30 to 10 weight percent of an olefin-based elastomer having a density from 0.860 g/cc to 0.905 g/cc, a melt index from 0.2 g/10 min to 50 g/10 min, and a Tm less than 125° C.

Two-component solventless polyurethane adhesive compositions comprising an isocyanate component and an isocyanate-reactive are disclosed, the compositions comprising an isocyanate component comprising an isocyanate-terminated prepolymer and an isocyanate-reactive component comprising a hydroxy-terminated polyurethane resin, a polyether polyol, a phosphate ester adhesion promoter, and, optionally, a bio-based polyol. Methods for forming laminate structures are also disclosed, the methods comprising forming an adhesive composition by mixing an isocyanate adhesive component comprising an isocyanate-terminated prepolymer and an isocyanate-reactive adhesive component comprising a hydroxy-terminated polyurethane resin, a polyether polyol, a phosphate ester adhesion promoter, and optionally, a bio-based polyol, applying the adhesive composition to a surface of a first substrate, and bringing a surface of a second substrate into contact with the adhesive composition on the surface of the first substrate, thereby forming the laminate structure. Laminate structures are also disclosed.

A polyester film laminated with other polymers to form a sheet. A laminated tube for liquid and paste products such as toothpastes, and the like can be manufactured from said sheet. The laminate comprises an outer polyethylene film, adhesive agent layers, a polyester film, and a composite polyethylene film comprising at least one co-extruded polyethylene layer sandwiched by at least one polyethylene film and an inner polyethylene film.

The present invention provides a multilayer structure that has excellent gas barrier properties and an excellent peel strength between a base and a gas barrier layer after retorting, and that can retain a good appearance with no delamination even after retorting under stress. The present invention also provides packaging materials and products including such a multilayer structure. The present invention relates to a multilayer structure comprising a base (X), a layer (Z) stacked on the base (X), and a layer (Y) stacked on the layer (Z), the layer (Y) containing a reaction product (D) of an aluminum-containing metal oxide (A) and an inorganic phosphorus compound (BI), the layer (Z) containing a polyvinyl alcohol resin (C) and a polyester resin (L).

The present invention provides a multilayer structure that has excellent gas barrier properties and an excellent peel strength between a base and a gas barrier layer after retorting, and that can retain a good appearance with no delamination even after retorting under stress. The present invention also provides packaging materials and products including such a multilayer structure. The present invention relates to a multilayer structure comprising a base (X), a layer (Z) stacked on the base (X), and a layer (Y) stacked on the layer (Z), the layer (Y) containing a reaction product (D) of an aluminum-containing metal oxide (A) and an inorganic phosphorus compound (BI), the layer (Z) containing a polyvinyl alcohol resin (C) and a polyester resin (L).

The present invention provides a metal-plastic composite material having excellent adhesive strength and formability and a method for manufacturing the same, and specifically, the present invention provides a metal-plastic composite material and a method for manufacturing the same comprising: a metal layer; and a plastic layer on at least one surface of the metal layer, wherein a thin film layer formed of a silane coupling agent is provided between the metal layer and the plastic layer, and the metal layer and the plastic layer are bonded by covalent bonding with the silane coupling agent.

An object of the present invention is to provide a laminated sheet for a metal-clad laminate and a method of manufacturing the same, the laminated sheet including: a substrate that includes a liquid crystal polymer or a fluoropolymer; and an adhesive layer, in which adhesiveness with a metal layer formed on the adhesive layer is excellent. Another object of the present invention is to provide a metal-clad laminate and a method of manufacturing the same.

A laminated sheet for a metal-clad laminate includes: a substrate that includes a liquid crystal polymer or a fluoropolymer; an inorganic oxide layer; and an adhesive layer, in which the substrate, the inorganic oxide layer, and the adhesive layer are laminated in this order.

The shape-forming packaging material is a shape-forming packaging material including a heat resistant resin layer as an outer layer, a heat fusible resin layer as an inner layer, and a metal foil layer disposed between both the layers, and is configured such that a print improving resin layer is laminated on a further outer side of the heat resistant resin layer.