D21H17/55

Process for production of film comprising microfibrillated cellulose and nanoparticles
11192987 · 2021-12-07 · ·

The present invention relates to a new process for improving runnability and dimensional stability when manufacturing a film comprising high amounts of microfibrillated cellulose (MFC) without negatively impacting the film properties. According to the present invention a high amount of nanoparticles is used as an additive, optionally together with a retention polymer.

PAPER STRENGTH IMPROVEMENT USING METAL CHELATES AND SYNTHETIC CATIONIC POLYMERS
20220195672 · 2022-06-23 ·

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.

PAPER STRENGTH IMPROVEMENT USING METAL CHELATES AND SYNTHETIC CATIONIC POLYMERS
20220195672 · 2022-06-23 ·

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.

WET LAID DISPOSABLE ABSORBENT STRUCTURES WITH HIGH WET STRENGTH AND METHOD OF MAKING THE SAME

A method of making an absorbent structure including mixing ultra-high molecular weight (“UHMW”) glyoxalated polyvinylamide adducts (“GPVM”) and/or high molecular weight (“HMW”), glyoxalated polyacrylamide and/or high cationic charge glyoxalated polyacrylamide (“GPAM”) copolymers and high molecular weight (“HMW”) anionic polyacrylamide (“APAM”) with the furnish during stock preparation of a wet laid papermaking process.

TREATED ARTICLE, METHODS OF MAKING THE TREATED ARTICLE, AND DISPERSION FOR USE IN MAKING THE TREATED ARTICLE
20220178078 · 2022-06-09 ·

A treated article includes fibers, a sizing agent, and a retention aid. The sizing agent includes a wax or a component thereof having an acid value of from 10 mg to 220 mg, KOH/g as measured in accordance with USP 401. The retention aid includes a nitrogen-containing polymer independently selected from the group consisting of (i) a nitrogen-containing polymer of Formula I, (ii) a polyethyleneimine, (iii) a polyaminoamide, (iv) a copolymer formed from the reaction product of epichlorohydrin and dimethylamine, and (v) combinations thereof.

Methods and Apparatus for Manufacturing Fiber-Based Produce Containers
20220136174 · 2022-05-05 ·

Methods and apparatus for manufacturing vacuum forming a produce container using a fiber-based slurry. The slurry includes a moisture barrier comprising alkyl ketene dimer in the range of about 4% by weight, and a cationic liquid starch component in the range of 1%-7% by weight.

Methods and Apparatus for Manufacturing Fiber-Based Produce Containers
20220136174 · 2022-05-05 ·

Methods and apparatus for manufacturing vacuum forming a produce container using a fiber-based slurry. The slurry includes a moisture barrier comprising alkyl ketene dimer in the range of about 4% by weight, and a cationic liquid starch component in the range of 1%-7% by weight.

Method of producing absorbent structures with high wet strength, absorbency, and softness

A method of making an absorbent structure including forming a stock mixture of fibers, a cationic wet strength resin, an anionic polyacrylamide and a cellulase enzyme, and at least partially drying the stock mixture to form a web.

Method of producing absorbent structures with high wet strength, absorbency, and softness

A method of making an absorbent structure including forming a stock mixture of fibers, a cationic wet strength resin, an anionic polyacrylamide and a cellulase enzyme, and at least partially drying the stock mixture to form a web.

Process for production of film comprising microfibrillated cellulose

The present invention relates to a new process for improving dewatering when manufacturing a film comprising high amounts of microfibrillated cellulose (MFC) without negatively impacting the film properties. According to the present invention a high amount of nanoparticles is used as an additive, optionally together with a polymer.