B32B29/005

Environment-friendly polymeric composites

The present disclosure discloses an environment-friendly polymeric composite prepared using biodegradable, compostable and recyclable materials, yet having good mechanical properties. The polymeric composite of the present disclosure comprises a biodegradable and compostable multilayer first substrate comprising an inner later, an outer layer and a core layer; and a second substrate comprising at least one layer selected from metal layer, metallized layer, paper layer and pretreated paper layer, such that the second substrate is disposed on the outer layer of the multilayer first substrate. The present disclosure further discloses a packaging material comprising the polymeric composite suitable for packaging tobacco based products, pharmaceutical products and food products.

Spacer, laminate of substrates, method for manufacturing substrate, and method for manufacturing substrate for magnetic disk
11471993 · 2022-10-18 · ·

The area of a spacer that is to be provided between the adjacent substrates in a laminate including a plurality of substrates to keep the adjacent substrates apart from each other is smaller than those of the stacked substrates. When pressure is released to bring the laminate obtained by providing the spacers between the substrates from a pressed state in which 0.60 MPa of pressure is applied to the laminate in the stacking direction into a non-pressed state, an amount of change ΔW in thickness per spacer that is calculated from a change in the thickness of the laminate due to the release of pressure is 30 μm or less.

Repulpable container

A repulpable insulated container assembly having a container formed of paper such as corrugated cardboard or varying paper materials and defining an interior; and a repulpable insert placed within the interior of the container and formed of a first paper layer; and a paper fiber pad coupled to the first paper layer.

Sound damping wallboard and method of constructing a sound damping wallboard

A sound damping wallboard for installation on an installed wallboard, a sound damping wallboard system, and a method of constructing a sound damping wallboard on a building structure are disclosed. The sound damping wallboard includes a gypsum layer having a gypsum layer inner surface and a gypsum layer outer surface, a first sound damping layer disposed at the gypsum layer inner surface and having a first sound damping layer inner surface opposite the gypsum layer inner surface, a first encasing layer disposed at the gypsum layer outer surface, a second encasing layer disposed at the first sound damping layer inner surface, and a second sound damping layer disposed at the second encasing layer opposite the first sound damping layer inner surface.

Tamper evident hybrid resealable container
11597559 · 2023-03-07 · ·

The present invention relates to a composite container comprising a bottom film layer and a top film layer at least partially adhered to the bottom film layer. The top film layer is scored to form at least one resealable flap and at least one pull tab which is not adhered to the bottom film layer. The bottom film layer comprises at least one cavity opening. A cardboard layer is adhered on its lower surface to the upper surface of the top film layer, wherein the cardboard layer has at least one cavity opening which is substantially aligned with the scoring of the top film layer resealable flap and the cardboard layer is perforated to define a perimeter of at least one pull tab which is substantially aligned with and adhered, on its underside, to the upper surface of the top film layer pull tab.

Wooden composite board with antistatic properties
11597188 · 2023-03-07 · ·

A wood-based panel includes at least one carrier board and at least one resin layer disposed side of the board. The at least one resin layer includes carbon-based particles, at least one compound of the formula R.sup.1.sub.aR.sup.2.sub.bSiX.sub.(4-a-b), and/or hydrolysis products. X is H, OH, or a hydrolysable moiety selected from the group including halogen, alkoxy, carboxyl, amino, monoalkylamino or dialkylamino, aryloxy, acyloxy, and alkylcarbonyl. R.sup.1 is an organic residue selected from the group including alkyl, aryl, and cycloalkyl, which may be interrupted by —O— or —NH—. R.sup.1 has at least one functional group Q.sub.1 selected from a group containing a hydroxy-, amino, monoalkylamino, carboxy, mercapto, alkoxy, aldehyde, acrylic, acryloxy, methacrylic, methacryloxy, cyano, isocyano and epoxide group, R.sup.2 is a non-hydrolyzable organic moiety selected from the group including alkyl, aryl, alkenyl, alkynyl, cycloalkyl, and cycloalkenyl; A is 0, 1, 2, or 3. B is 1, 2, 3, or 4.

Foil-wrapped vacuum insulation element
11634264 · 2023-04-25 · ·

A foil-wrapped vacuum insulation panel having a core, and an air-tight envelope in the form of a wrapping foil surrounding the core made of powder or granulate, wherein between the core made of powder or granulate and the air-tight wrapping foil, there is provided at least one intermediate layer of cardboard and/or paperboard, which completely envelopes the core made of powder or granulate in a powder-tight manner and is formed cuboid box which has approximately the same shape as the finished vacuum insulation element, wherein the powder or granulate is filled into the cuboid box in such an amount that the body is completely filled up to its very top, and the shape of the vacuum insulation element is acquired only via the cuboid box and not by the powder or granulate, while the structural integrity of the core is not sufficient to retain the shape of the core on its own without the surrounding cardboard or paperboard box.

Building panel with a weather barrier

A sheathing panel includes a barrier overlay secured to a panel; wherein the sheathing panel is bulk water resistant and has at least one of the following properties: a water vapor transmission rate of at least 7.0 grams per square meter per 24 hours (grams/m.sup.2/24 hours) as determined by ASTM E96-15 procedure A at 73° F. and 50% relative humidity (RH), a water vapor permeance of at least 1.3 perms as determined by ASTM E96-15 procedure A at 73° F. and 50% relative humidity (RH), or an air infiltration rate of less than 0.2 liters per second per square meter (L/s-m.sup.2) at 75 pascals (Pa) as determined by ASTM E2357-11.

Method to produce a veneer element and a veneer element
11597187 · 2023-03-07 · ·

A method to produce a veneer element, including defects and dense portions. The method includes providing a substrate, providing a sub-layer, including a binder and coloured filler particles, applying the sub-layer on a first surface of the substrate, applying a veneer layer on the sub-layer, and applying pressure, preferably heat and pressure, to the veneer layer and/or the substrate, thereby forming a veneer element wherein, after pressing, the sub-layer is visible through a defect of the veneer element such as crack, cavity, hole and/or knot of the veneer layer. Also, a veneer element.

USE OF A CELLULOSE DERIVATIVE AND METHOD FOR SURFACE SIZING
20230122933 · 2023-04-20 ·

The invention relates to the use of a surface size composition comprising at least one cellulose derivative selected from cellulose ethers, excluding carboxyalkyl celluloses, for providing compression strength for a fibrous web, such as paper, board or the like, preferably comprising recycled cellulosic fibres. The invention relates also to a method for surface sizing of paper, board or the like.