• ep1082493a1 papermaking process utilizing hydrophilic

    EP1082493A1 Papermaking process utilizing hydrophilic

    A method for improving retention and drainage performance in a papermaking process is disclosed. The method comprises forming an aqueous cellulosic papermaking slurry, adding an effective amount of a hydrophilic dispersion polymer to the slurry, draining the slurry to form a sheet and drying the sheet. The hydrophilic dispersion polymer is preferably a copolymer of diallyldimethyl ammonium

  • us6071379a papermaking process utilizing hydrophilic

    US6071379A Papermaking process utilizing hydrophilic

    A method for improving retention and drainage performance in a papermaking process is disclosed. The method comprises forming an aqueous cellulosic papermaking slurry, adding an effective amount of a hydrophilic dispersion polymer to the slurry, draining the slurry to form a sheet and drying the sheet. The hydrophilic dispersion polymer is preferably a copolymer of diallyldimethyl ammonium

  • us6059930a papermaking process utilizing hydrophilic

    US6059930A Papermaking process utilizing hydrophilic

    A method for improving retention and drainage performance in a papermaking process is disclosed. The method comprises forming an aqueous cellulosic papermaking slurry, adding an effective amount of a hydrophilic dispersion polymer to the slurry, draining the slurry to form a sheet and drying the sheet. The hydrophilic dispersion polymer is preferably a copolymer of dimethylaminoethyl acrylate

  • papermaking process utilizing hydrophilic dispersion

    Papermaking process utilizing hydrophilic dispersion

    2000-05-09· A method for improving retention and drainage performance in a papermaking process is disclosed. The method comprises forming an aqueous cellulosic papermaking slurry, adding an effective amount of a hydrophilic dispersion polymer to the slurry, draining the slurry to form a

  • papermaking process utilizing hydrophilic dispersion

    Papermaking process utilizing hydrophilic dispersion

    A method for improving retention and drainage performance in a papermaking process is disclosed. The method comprises forming an aqueous cellulosic papermaking slurry, adding an effective amount of a hydrophilic dispersion polymer to the slurry, draining the slurry to form a sheet and drying the sheet. The hydrophilic dispersion polymer is preferably a copolymer of dimethylaminoethyl acrylate

  • hydrophilic dispersion polymers for paper applications

    Hydrophilic dispersion polymers for paper applications

    1998-03-25· A papermaking process comprising forming an aqueous cellulosic papermaking slurry and adding a hydrophilic dispersion polymer to the slurry to increase retention and/or drainage is disclosed. The hydrophilic dispersion polymer comprises (a) a cationic monomer and (b) a second monomer represented by (meth)acrylamide (in an aqueous solution of a

  • method and composition of a hydrophilic polymer

    Method and composition of a hydrophilic polymer

    2003-10-07· More particularly, it relates to the method and composition of a hydrophilic polymer dispersion containing a colloidal silica, which can be used for recycling resources and reducing pollution of the waste water by retaining fine particles in papermaking system.

  • dispersion hydrophile français-anglais dictionnaire

    dispersion hydrophile Français-Anglais Dictionnaire

    en Papermaking process utilizing hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide as retention and drainage aids fr L'invention concerne un procédé servant à clarifier de l'eau chargée d'encre provenant du recyclage de charges de papier et consistant à traiter cette eau au moyen d'une dispersion hydrophile de polymère.

  • surface chemistry of paper

    Surface chemistry of paper

    The surface chemistry of paper is responsible for many important paper properties, such as gloss, waterproofing, and printability. Many components are used in the paper-making process

  • papermaking process, history, & facts britannica

    papermaking Process, History, & Facts Britannica

    The papermaking process Historical development. Papermaking can be traced to about ad 105, when Ts’ai Lun, an official attached to the Imperial court of China, created a sheet of paper using mulberry and other bast fibres along with fishnets, old rags, and hemp waste.

  • dispersion hydrophile français-anglais dictionnaire

    dispersion hydrophile Français-Anglais Dictionnaire

    en Papermaking process utilizing hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide as retention and drainage aids fr L'invention concerne un procédé servant à clarifier de l'eau chargée d'encre provenant du recyclage de charges de papier et consistant à traiter cette eau au moyen d'une dispersion hydrophile de polymère.

  • hydrophilic dispersion polymers for paper applications

    Hydrophilic dispersion polymers for paper applications

    1998-03-25· A papermaking process comprising forming an aqueous cellulosic papermaking slurry and adding a hydrophilic dispersion polymer to the slurry to increase retention and/or drainage is disclosed. The hydrophilic dispersion polymer comprises (a) a cationic monomer and (b) a second monomer represented by (meth)acrylamide (in an aqueous solution of a

  • efficacy of dispersion of magnesium silicate (talc)

    Efficacy of dispersion of magnesium silicate (talc)

    ORIGINAL ARTICLE Efficacy of dispersion of magnesium silicate (talc) in papermaking Vipul Singh Chauhan a, Nishi Kant Bhardwaj b,* a Department of Paper Technology, Indian Institute of Technology

  • preparation of hydrophilic styrene maleic anhydride

    Preparation of hydrophilic styrene maleic anhydride

    Abstract. Hydrophilic fibers may be prepared by discharging a heated and pressurized dispersion of a styrene-maleic anhydride copolymer into a zone of reduced temperature and pressure, and then modifying the fibers so produced by treatment with an aqueous admixture of selected cationic and anionic water-soluble, nitrogen-containing polymers.

  • (pdf) efficacy of dispersion of magnesium silicate (talc

    (PDF) Efficacy of dispersion of magnesium silicate (talc

    The understanding of the dispersion chemistry of papermaking grade fillers is as important as their effect on paper. Magnesium silicate (talc) is one of the major fillers used for papermaking.

  • us patent for hydrophilic cationic dispersion polymer

    US Patent for Hydrophilic cationic dispersion polymer

    This invention is directed to a method of removing color bodies from paper mill waste water comprising adding to the water an effective color-removing amount of a hydrophilic cationic dispersion polymer prepared by polymerizing i. a cationic diallyl-N,N-disubstituted ammonium monomer of formula (H2C═CHCH2)2N+R1R2X− wherein R1 and R2 are independently C1-C20 alkyl, aryl,

  • (pdf) the dispersion science of papermaking

    (PDF) The Dispersion Science of Papermaking

    papermaking process, it is the goal of this review to explore the scientific principles that underlie the art of papermaking, emphasizing the state of dispersion of the fibrous slurries during

  • pulping and papermaking an overview sciencedirect

    Pulping and Papermaking an overview ScienceDirect

    Pratima Bajpai, in Pulp and Paper Industry, 2016. 9.3 Supply of Waste Heat from Other Process Areas to Deinking Plant. Deinking requires heat to increase process efficiency like the chemical pulping and papermaking processes. This starts with the repulping process, where the paper is defibered and ink is removed from the fiber surface.

  • papermaking process, history, & facts britannica

    papermaking Process, History, & Facts Britannica

    The papermaking process Historical development. Papermaking can be traced to about ad 105, when Ts’ai Lun, an official attached to the Imperial court of China, created a sheet of paper using mulberry and other bast fibres along with fishnets, old rags, and hemp waste.

  • chidambaram maltesh inventions, patents and patent

    Chidambaram Maltesh Inventions, Patents and Patent

    Chidambaram Maltesh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • papermaking process utilizing hydrophilic

    PAPERMAKING PROCESS UTILIZING HYDROPHILIC

    A method for improving retention and drainage performance in a papermaking process is disclosed. The method comprises forming an aqueous cellulosic papermaking slurry, adding an effective amount of a hydrophilic dispersion polymer to the slurry, draining the slurry to form a sheet and drying the sheet. The hydrophilic dispersion polymer is preferably a copolymer of diallyldimethyl ammonium

  • efficacy of dispersion of magnesium silicate (talc)

    Efficacy of dispersion of magnesium silicate (talc)

    in pulp and papermaking process was reviewed by Rojas and Hubbe (2005). They explored the scientific principles that underlie the art of papermaking, emphasizing the state of dis-persion of the fibrous slurries during various stages of the pa-per manufacturing process. The literature on dispersion of talc filler for use in papermaking is scarce.

  • (pdf) the dispersion science of papermaking

    (PDF) The Dispersion Science of Papermaking

    papermaking process, it is the goal of this review to explore the scientific principles that underlie the art of papermaking, emphasizing the state of dispersion of the fibrous slurries during

  • galactoglucomannan derivatives and their application

    Galactoglucomannan derivatives and their application

    The derivatives were tested for their papermaking properties. The native GGMs increased the wet tensile strength as a result of the dispersion of fibrils in the wet fibre web. In wood-containing paper, GGMs increased the retention of fines and extractives without a decrease in paper strength. The GGMs also flocculated fillers effectively. The

  • preparation of hydrophilic styrene maleic anhydride

    Preparation of hydrophilic styrene maleic anhydride

    Abstract. Hydrophilic fibers may be prepared by discharging a heated and pressurized dispersion of a styrene-maleic anhydride copolymer into a zone of reduced temperature and pressure, and then modifying the fibers so produced by treatment with an aqueous admixture of selected cationic and anionic water-soluble, nitrogen-containing polymers.

  • aggregation process and mechanism of pitch deposits

    Aggregation process and mechanism of pitch deposits

    Aggregation Process and Mechanism of Pitch Deposits with Ca 2+ in Papermaking White Water. Chen Chen, Chun-Jian Wang, Hui Xu, and Hong-Qi Dai* The lipophilic colloidal substances (CS) in papermaking white water mainly originate from sizing agents applied during paper manufacturing operations and wood extractives, such as resin acids and fatty

  • nanofibrillated cellulose as an additive in papermaking

    Nanofibrillated Cellulose as an additive in Papermaking

    Nanofibrillated cellulose (NFC) seems to be a promising organic additive. It is a thread-like cellulosic nano-material with a width less than 100 nm and a length of 0.5 µm to 2 µm[19][20] [21

  • preparation and characterization of cefuroxime axetil

    Preparation and characterization of cefuroxime axetil

    The objective of the current study is to increase the dissolution rate of cefuroxime axetil (CA) by formation of binary CA solid dispersion using water soluble carriers such as polyvinylpyrrolidone (PVP K30) and polyethylene glycol (PEG 4000).Solid dispersions

  • wet-laid nonwovens manufacture chemical

    Wet-laid nonwovens manufacture Chemical

    Full Article. Wet-Laid Nonwovens Manufacture Chemical Approaches Using Synthetic and Cellulosic Fibers. Martin A. Hubbe, a, * and Alexander A. Koukoulas b Wet-laid forming, which can be regarded as being analogous to conventional papermaking processes but with use of chopped synthetic or staple fibers, continues to draw attention as an advantageous way to prepare advanced nonwoven

  • ramasubramanyam nagarajan inventions, patents

    Ramasubramanyam Nagarajan Inventions, Patents

    Ramasubramanyam Nagarajan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • patents by inventor jane b. wong shing

    Patents by Inventor Jane B. Wong Shing

    Jane B. Wong Shing has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • review: nanoparticles and nanostructured materials

    Review: nanoparticles and nanostructured materials

    The density and network structure of the carbon nanofiber paper correlated with the dispersion quality of carbon nanofibers within the paper, which was significantly affected by papermaking process conditions [61]. Both SWCNT and MWCNT can be used for the creation of so-called bucky paper, with possible applications as molecular sieve membranes

  • papermaking bleaching and washing britannica

    Papermaking Bleaching and washing Britannica

    Papermaking Papermaking Bleaching and washing: The use of calcium and sodium hypochlorites to bleach paper stock dates from the beginning of the 19th century. In the early days of sulfite pulp manufacture, a single-stage treatment of pulp at low consistency, using calcium hypochlorite (chlorinated lime), satisfied most requirements. This simple bleaching treatment, however, is not

  • fabrication of the carbon paper by wet-laying of ozone

    Fabrication of the Carbon Paper by Wet-Laying of Ozone

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  • papermaking formation of paper sheet by machines

    Papermaking Formation of paper sheet by machines

    Papermaking Papermaking Formation of paper sheet by machines: In a paper machine, interrelated mechanisms operating in unison receive paper stock from the beater, form it into a sheet of the desired weight by filtration, press and consolidate the sheet with removal of excess water, dry the remaining water by evaporation, and wind the traveling sheet into reels of paper. Paper machines may

  • solid dispersion: methods and polymers to increase the

    Solid Dispersion: Methods and Polymers to increase the

    Solid Dispersion: Methods and Polymers to increase the solubility of poorly soluble drugs Ladan 1Akbarpour Nikghalb,Gurinder Singh2, Gaurav Singh2 and Kimia Fazaeli Kahkeshan1* 1Gautam College of Pharmacy, Bangalore, Karnataka, India. 2Department of Pharmaceutics, Al-Ameen College of Pharmacy Bangalore, Karnataka, India. ARTICLE INFO ABSTRACT

  • use of hydrophilic dispersion polymers for coated broke

    Use of hydrophilic dispersion polymers for coated broke

    Use of hydrophilic dispersion polymers for coated broke treatment Abstract. A process for treating recycled coated broke which has been re-pulped to a slurry for the purpose of recycling the coated broke as cellulose fiber to the paper machine by the addition of a water-soluble polymer dispersion is claimed.

  • talc pulp paper mill

    Talc pulp paper mill

    2013-01-17· The low coefficient of friction of talc helps to produce a large spool with constant tension. Talc is an organophilic, so absorbs impurities from the process, such as pitch, resin particles. Hence talc is used as a cleaner of the wet-end system of the paper machine. Talc also prevents agglomeration. Therefore improve paper machine runnability.

  • 11.5 colloids chemistry

    11.5 Colloids Chemistry

    molecules possessing both hydrophobic (nonpolar) and a hydrophilic (polar) parts colloid (also, colloidal dispersion) mixture in which relatively large solid or liquid particles are dispersed uniformly throughout a gas, liquid, or solid dispersion medium solid, liquid, or gas in

  • poly(lactic acid) composites reinforced with kraft pulp

    Poly(lactic acid) composites reinforced with kraft pulp

    The dispersion of cellulose pulp fibres (strongly hydrophilic) in predominantly hydrophobic polymers such as PLA is challenging when using melt compounding methods, particularly with high fibre contents (for example, at 40% wt), resulting in fibre agglomerates and reduced tensile strength,.

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