D21H27/10

Method for the production of a coated paper, paperboard or film and a coated paper, paperboard or film
11504956 · 2022-11-22 · ·

The present invention relates to a method for the production of a coated paper, paperboard or film, wherein the method comprises the steps of; providing a first suspension comprising cellulose fibers, applying the first suspension on a substrate to form a fibrous web, wherein the web has a first and a second side, providing a second suspension comprising micro fibrillated cellulose, applying the second suspension either to the first side of the fibrous web or to a surface of a drying equipment and conducting said fibrous web through the drying equipment whereby the second suspension is added to the first side of the web forming the coated paper, paperboard or film. The invention also relates to a paper, paperboard or film produced according to the method.

Barrier material

An object is to provide a barrier material which not only is high in degree of biomass and small in amount of CO.sub.2 emitted, but also has biodegradability and simultaneously has excellent gas barrier property and water vapor barrier property, and which can be suitably used particularly in packaging applications for foods or the like, such as a packaging material, a bag, a paper container, a cardboard box, and a cup. A solution to be provided is a barrier material having an oxygen permeability of 10 ml/m.sup.2.Math.day.Math.atm or less at a temperature of 23° C. and a relative humidity of 0%, and having a total degree of biomass of 50% or more.

Barrier material

An object is to provide a barrier material which not only is high in degree of biomass and small in amount of CO.sub.2 emitted, but also has biodegradability and simultaneously has excellent gas barrier property and water vapor barrier property, and which can be suitably used particularly in packaging applications for foods or the like, such as a packaging material, a bag, a paper container, a cardboard box, and a cup. A solution to be provided is a barrier material having an oxygen permeability of 10 ml/m.sup.2.Math.day.Math.atm or less at a temperature of 23° C. and a relative humidity of 0%, and having a total degree of biomass of 50% or more.

PAPER PRODUCTION
20230056642 · 2023-02-23 ·

There is provided a method of producing a paper, comprising the steps of: a) providing a pulp having a Schopper-Riegler (SR) number measured according to ISO 5267-1:1999 of 25-50, which pulp comprises at least 70% by weight sulphate or sulphite pulp; b) diluting the pulp to a consistency of 0.1%-0.9%; and c) forming a web from the diluted pulp from step b) in a forming section at a machine speed of at least 1100 m/min, such as 1100-1800 m/min.

MOLDED PULP PRODUCTS INCORPORATING SURFACE ENHANCED PULP FIBERS AND METHODS OF MAKING THE SAME
20220364313 · 2022-11-17 ·

In a particular implementation, a method of pulp product manufacture includes spraying a surface enhanced pulp fiber (SEPF) coating on at least a portion of a molded pulp product, the SEPF coating comprising SEPF having a length weighted average fiber length that is at least 0.20 millimeters (mm) and an average hydrodynamic specific surface area that is at least 10 square meters per gram (m.sup.2/g).

Process for manufacturing components from shredded polymer-coated paper products
20220364312 · 2022-11-17 ·

The invention relates to a process for producing a thermoformable and/or embossable particle/polymer composite using a substrate S based on shredded polymer-coated paper and a thermoplastic polymer P, therewith providing a new method of recycling/upcycling paper waste. Furthermore, a process for the manufacturing of a molded article obtained from the paper-based particle/polymer composite and its use as an element in buildings or in furniture are disclosed.

Moisture control material
11584575 · 2023-02-21 · ·

Method of manufacturing an active moisture control material, wherein the material is formed from a base board comprising cellulose fibers and having a basis weight in the range of from 50 to 500 g/m2 and having a bulk of at least 1.2 cm3/g, wherein the method comprises a surface treatment of at least one side of said base board with a surface treatment composition comprising carboxymethyl cellulose (CMC) and a metal salt, wherein said surface treatment composition comprises carboxymethyl cellulose in a range of from 2 to 10 weight-% based on the total solid content of said surface treatment composition, and the metal salt in a range of from 10 to 30 weight-% based on the total solid content of said composition.

Moisture control material
11584575 · 2023-02-21 · ·

Method of manufacturing an active moisture control material, wherein the material is formed from a base board comprising cellulose fibers and having a basis weight in the range of from 50 to 500 g/m2 and having a bulk of at least 1.2 cm3/g, wherein the method comprises a surface treatment of at least one side of said base board with a surface treatment composition comprising carboxymethyl cellulose (CMC) and a metal salt, wherein said surface treatment composition comprises carboxymethyl cellulose in a range of from 2 to 10 weight-% based on the total solid content of said surface treatment composition, and the metal salt in a range of from 10 to 30 weight-% based on the total solid content of said composition.

Device and Method for Self-Improvement via an Edible Affirmation
20220364309 · 2022-11-17 ·

The subject of this invention is embodied in a piece of edible paper that has an affirmation written on it (an “edible affirmation”). This edible affirmation can be used as a tool for self-improvement. In general, an edible affirmation provides a way to partake a word or phrase for the purpose of enhancing the mind, body, and spirit. The user can practice being an expression of the affirmation through focused attention and/or meditation as the edible affirmation dissolves in the mouth and continues for a time thereafter.

PACKAGING MATERIAL AND PREPARING METHOD THEREOF
20220355991 · 2022-11-10 ·

The present invention relates to a printed substrate comprising a first paper layer, the first paper layer comprising a first side and an opposing second side, the first side comprising a flexography print area and a non-print area, wherein the flexography print area has a color density no less than about 0.70 as measured according to Color Density Test disclosed herein, and wherein the non-print area has a roughness in the range of from about 3 μm to about 15 μm as measured according to Surface Roughness Test disclosed herein; a package for accommodating one or more articles comprising the printed substrate; and a method of making the printed substrate.