Patent classifications
D21H17/55
Process for production of film comprising microfibrillated cellulose and nanoparticles
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
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
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
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
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
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.