D21H17/74

STARCH-CELLULOSE COMPOSITE MATERIAL

A composite can include cellulose fiber; and foam binding the cellulose fiber. A method for manufacturing a composite can comprise mixing a plurality of ingredients to form a pre-foam mixture; foaming the pre-foam mixture to produce a foam; mixing the foam with cellulose fiber to form a composite material; and curing the composite material.

Gypsum board suitable for wet or humid areas

Gypsum board having a core, said core having at least one side covered with a non-woven fabric; characterized in that the inner side of the non-woven fabric, which is in contact with the core of the gypsum board, has a surface roughness Ra of from 25 to 60 micrometers, preferably from 25 to 50 micrometers, advantageously from 25 to 40 micrometers.

OIL-RESISTANT AGENT FOR PAPER

A paper oil-resistant agent which is added to the interior of paper and includes (1) a non-fluorine polymer and (2) at least one type of particles selected from inorganic particles or organic particles, the amount of the particles (2) being 1-99.9 wt % of the total weight of the non-fluorine polymer (1) and the particles (2). Also disclosed is an oil-resistant paper including the paper oil-resistant agent and a method for producing the oil-resistant paper.

FLUID STORAGE MEDIA AND METHOD OF DELIVERING A FLUID
20220097016 · 2022-03-31 ·

A fluid storage media includes a plurality of microspheres. Each microsphere includes a porous core with a porous core material and having an exterior surface. A stored fluid is within the porous core. A coating layer covers all of the exterior surface of the porous core. The coating layer includes a coating material which transitions from a first state to a second state, wherein in the first state the coating material is permeable to the stored fluid, and in the second state the material is impermeable to the stored fluid. The coating material in the second state is configured to encapsulate and maintain the stored fluid inside the porous core. A method of making a fluid storage media, a method of delivering a fluid and a method of delivering a biologically active fluid medication to a patient are also disclosed.

FILLER COMPOSITIONS COMPRISING MICROFIBRILLATED CELLULOSE AND MICROPOROUS INORGANIC PARTICULATE MATERIAL COMPOSITES FOR PAPER AND PAPERBOARD APPLICATIONS WITH IMPROVED MECHANICAL PROPERTIES

Method of making a filler composition comprising microfibrillated cellulose and one or more microporous inorganic particulate material and methods of making papermaking furnishes and paper products comprising microfibrillated cellulose and one or more microporous inorganic particulate material.

Paper strength improvement using metal chelates and synthetic cationic polymers
11834792 · 2023-12-05 · ·

Methods for making paper with improved strength and methods for improving paper strength, using a metal chelate and an organic polymer, and improved strength paper made through these processes.

Method for manufacturing inorganic particle composite fiber sheet

The present invention provides a method for reducing web break caused in preparing, by continuous paper making, a fiber sheet containing a high content of functional inorganic substance. The composite fiber sheet manufacturing method includes: generating composite fibers composed of cellulosic fibers and inorganic particles by synthesizing the inorganic particles in slurry containing the cellulosic fibers; and continuously generating a sheet by supplying composite-fiber-containing slurry including the composite fibers to a continuous paper machine. In the composite fiber generating step, at least one of (i) slurry containing cellulosic fibers having a length of 1.2 mm to 2.0 mm in an amount of 16% or more in terms of length-weighted fiber length distribution (%) and (ii) slurry containing cellulosic fibers having a length of 1.2 mm to 3.2 mm in an amount of 30% or more in terms of length-weighted fiber length distribution (%) is used.

Process for the production of gel-based composite materials

A process for the production of composite materials comprising nano-fibrillar cellulose gels, by providing cellulose fibres and at least one filler and/or pigment, combining the cellulose fibres and the at least one filler and/or pigment, fibrillating the cellulose fibres in the presence of the at least one filler and/or pigment until a gel is formed, subsequently providing at least one further filler and/or pigment and combining the gel with the at least one further filler and/or pigment.

Coating formulation for digital printing media

The present invention relates to a coating formulation for digital printing media comprising a polymeric binder and a solid metal complex, wherein said solid metal complex comprises (i) a divalent or trivalent metal cation and (ii) a polydentate ligand. The invention further relates to a method for preparing the inventive coating formulation, to a digital printing medium comprising the inventive coating and a method for preparing same, and to corresponding uses.

VAPORIZABLE ANTICORROSIVE COATING PAPER AND MANUFACTURING METHOD THEREFOR
20210309000 · 2021-10-07 · ·

Disclosed is an anticorrosive coating paper and a method for manufacturing the paper. The paper includes a base material containing an anticorrosive agent, a film layer adhered to one surface of the base material and configured to provide a vaporization passage for the anticorrosive agent, and a reinforcing material layer adhered to the other surface of the base material. The method incudes punching a film and providing a film layer having a flow passage that provides a vaporization passage for an anticorrosive agent, adhering the film layer having the flow passage to one surface of a base material containing the anticorrosive agent, and adhering a reinforcing material layer to the other surface of the base material.