21results about "Material mixture addition" patented technology

A biodegradable sound-absorbing acoustic damping material and a method for producing the same are provided. The material comprises a mixture of dried seaweed powder, fine cellulose fiber raw materials, and water. The preparation of the material involves mixing all the components into a homogeneous paste, shaping the paste, and then dehydrating it to obtain a solid paste.

A board including a plurality of layers having a different composition. At least one of the layers is based on MgO and MgChloride and / or at least one of said layers is based on MgO and MgSulphate. Methods for manufacturing such boards, and methods for manufacturing coated panels include such board.

A method of improving strength properties of paper, where to strengthen paper an aqueous solution of chitosan and citric acid is used with the percentage concentration of chitosan in the solution of at least 0,1% and the percentage concentration of citric acid in the solution of at least 0,5%, where the solution is used in the paper strengthening process by adding it to the pulp in the ratio of at least ½ litre of the solution per 1 kg of dry paper according to patent PL237344, characteristic in that sodium benzoate is added to the concentrate in the amount of 0.001% to 30% as a preservative. The solution used in the strengthening process, obtained by diluting the concentrate, contains citric acid - with the concentration of at least 0,5%, chitosan with the concentration of at least 0,1% and sodium benzoate with the concentration of at least 0,001%.

A main objective of the present invention is to provide a new technique for treatment of macro stickies. The present invention can provide a treatment agent for macro stickies, which contains one or two or more selected from an oily and fatty compound having a melting point of 50°C or lower, a polyvinyl alcohol having a cationic group, and a cationic compound used for positive conversion. The present invention can provide a treatment method for macro stickies, which uses the treatment agent for macro stickies, for a macro stickies-containing object.

The present disclosure relates to a polymer complex. According to the present disclosure, there is provided a polymer complex capable of exhibiting excellent mechanical properties while being environmentally friendly by including cellulose fibers as a reinforcing material.

The application discloses a high-stability papermaking dry-strength agent based on acrylamide and a preparation method thereof, which comprises the following components in parts by weight: 25-40 wt% of acrylamide 40-60 parts, 45-55 wt% of cationic monomer 8-26 parts, 50-65 wt% of anionic monomer 10-24 parts, 12-24 parts of organic silicon waterproof agent, 15-28 parts of chain transfer agent, 14-22 parts of hexamethylenetetramine, 15-27 parts of photosensitive initiator, 10-20 parts of azo initiator, 8-16 parts of free radical trapping agent and 12-18 parts of isocyanate. Through polymerization, the amphoteric polyacrylamide is generated, the amphoteric polyacrylamide can be adsorbed on the surface of the negatively charged fiber in the paper pulp, so that the binding force between the fibers is increased, and the paper strength is improved.

The application provides a paper pulp molding with super-hydrophobic function, a preparation method and application, and the paper pulp molding with super-hydrophobic function comprises modified powder fillers, a crosslinking agent and paper pulp, the modified powder fillers are modified recycled silicon dioxide, and the modified recycled silicon dioxide is obtained by surface grafting modification of a silane modifier and a silane coupling agent on recycled silicon dioxide. In the application, the modified recycled silicon dioxide is obtained by surface grafting modification of the recycled silicon dioxide by the silane modifier and the silane coupling agent, the moisture resistance of the paper pulp molding can be improved by the modified recycled silicon dioxide, the waterproof capability of the paper pulp molding product can be improved, and the goods packaged by the paper pulp molding paper sheet can be prevented from being damaged.

The present disclosure provides novel compositions comprising one or more quaternized long-chain imidazolines of Formula (I-A) and / or (I-B) and one or more long chain fatty acids of Formula (II), and the use thereof for improving of fabric release in applications such as tissue and towel making processes.

The present disclosure provides novel compositions comprising one or more quaternized long-chain imidazolines of Formula (I-A) and / or (I-B) and one or more long chain fatty acids of Formula (II), and the use thereof for improving of fabric release in applications such as tissue and towel making processes.

The present invention relates to a method for manufacturing a paper-making filler using a mixed solution of an organic fiber and an inorganic compound, and a use thereof. The paper including the paper-making filler manufactured by the manufacturing method according to the present invention has greatly improved bulk compared to paper using an existing ground calcium carbonate filler, thus exhibiting excellent breaking length and superior smoothness. With such characteristics, high-quality paper can be produced even when using a larger amount of filler than ground calcium carbonate, thereby enhancing economic efficiency, reducing the amount of organic fiber used, and achieving energy savings in drying.

The present invention relates to a sheet material having desiccant properties, which comprises a base material and a hygroscopic material. The present invention also relates to a pack comprising a sheet material that can be used to hold consumables for use in a non-combustion aerosol supply system. A method of preparing the sheet material and the use of the sheet material are also provided.

To provide compositions of hydrophilic biomaterials that can form several layers on fiber-based materials so that the layers can act synergistically to improve both oil and water barrier capacity of the material with its applied layers.SOLUTION: There is provided an aqueous polyelectrolyte (PEC) composition for application to a fiber-based material for the use of obtaining a barrier coating resistant to oil and water, wherein the composition comprises: (a) from 0.1 to 20% (w / w) of carboxymethyl cellulose (CMC) and from 0.1 to 20% of cationic starch (CS); (b) from 1 to 20% (w / w) of a plasticizer; and (c) from 1 to 15% (w / w) of a pH adjusting agent selected from an acid, a buffering system and a base, and the composition has charge ratio that is equal to or less than 1.SELECTED DRAWING: None

Provided is a creping adhesive that is favorable in a thread-forming property, wet adhesiveness, and the like. A creping adhesive contains a PVA (A), wherein at least one of (i) and (ii) below is satisfied. (i) The PVA (A) includes a PVA having a minimum degree of branching of 0.25 or more and 0.93 or less within a range of an absolute molecular weight being 200,000 or more and 800,000 or less, and a ratio Mw / Mn of a weight-average molecular weight Mw to a number-average molecular weight Mn of the PVA (A) is 2.5 or more. (ii) The ratio Mw / Mn of the weight-average molecular weight Mw to the number-average molecular weight Mn of the PVA (A) is 3.8 or more.

Provided is a composition comprising a hydrophobic compound (A) that comprises a hydrophobic compound (A1) and a hydrophobic compound (A2) which differs from the hydrophobic compound (A1), wherein the hydrophobic compound (A1) is a compound selected from the group consisting of modified amine, modified polycarboxylic acid, paraffin wax, and microcrystalline wax, and the hydrophobic compound (A2) is a liquid or solid oil that is not a compound selected from the group consisting of modified amine, modified polycarboxylic acid, paraffin wax, and microcrystalline wax. Thus, provided is a novel composition that makes it possible to impart liquid repellency to a base material.

Sustainable paper-based packaging materials, e.g., paper-based food packaging materials, are described. The packaging materials are based on paper formed from fiber derived from waste biomass, such as hemp hurds, mixes containing hemp hurds and hemp bast fibers, bagasse, and cocoa pod husks. Also described are methods of making the packaging materials. The methods can include environmentally friendly pulping and / or bleaching processes.

A method of making paper and paperboard products, including absorbent structures, is disclosed. The method includes mixing ultra-high molecular weight ("UHMW") glyoxalated polyvinylamide ("GPVM") adducts and high molecular weight ("HMW") anionic polyacrylamide ("APAM") with the furnish during slock preparation of a wet laid papermaking process. High wet strength paper and paperboard products are also disclosed.

This invention provides a biomass composite decorative paper reinforced with nanocellulose and its preparation method, belonging to the field of decorative paper technology. This application constructs a multifunctional synergistic biomass composite material through chemical modification and in-situ self-assembly strategies: negatively charged modified nanocellulose serves as the framework, and positively charged cationic chitosan acts as an electrostatic bridge, efficiently fixing optically functional carbon quantum dots and fillers, improving dispersibility and retention. The introduced tannic acid-zinc metal-organic network precursor is cross-linked and cured under hot pressing to form a chemical network, endowing the material with excellent wet strength and antibacterial properties. The system forms a physical and chemical interpenetrating network, achieving structural synergy. The functional components also protect and complement each other through UV shielding, synergistic antibacterial properties, and other means, jointly endowing the material with excellent and durable comprehensive performance.

A method of making paper and paperboard products, including absorbent structures, is disclosed. The method includes mixing ultra-high molecular weight (“UHMW”) glyoxalated polyvinylamide (“GPVM”) adducts and high molecular weight (“HMW”) anionic polyacrylamide (“APAM”) with the furnish during stock preparation of a wet laid papermaking process. High wet strength paper and paperboard products are also disclosed.