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WO2004027149A1 - Papiers comprenant un compose contenant du bore et procede de fabrication correspondant - Google Patents

Papiers comprenant un compose contenant du bore et procede de fabrication correspondant Download PDF

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Publication number
WO2004027149A1
WO2004027149A1 PCT/IB2003/003983 IB0303983W WO2004027149A1 WO 2004027149 A1 WO2004027149 A1 WO 2004027149A1 IB 0303983 W IB0303983 W IB 0303983W WO 2004027149 A1 WO2004027149 A1 WO 2004027149A1
Authority
WO
WIPO (PCT)
Prior art keywords
starch
paper
boron
containing compound
paperboard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2003/003983
Other languages
English (en)
Inventor
Yan C. Huang
M. Bruce Lyne
Kapil M. Singh
Yaoliang Hong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Paper Co
Original Assignee
International Paper Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Paper Co filed Critical International Paper Co
Priority to EP03797461A priority Critical patent/EP1540081B1/fr
Priority to CA2513488A priority patent/CA2513488C/fr
Priority to AT03797461T priority patent/ATE478196T1/de
Priority to BR0314311-2A priority patent/BR0314311A/pt
Priority to AU2003260833A priority patent/AU2003260833A1/en
Priority to DE60333841T priority patent/DE60333841D1/de
Publication of WO2004027149A1 publication Critical patent/WO2004027149A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/12—Organo-metallic compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/16—Sizing or water-repelling agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/18—Reinforcing agents

Definitions

  • the invention relates to the field of paper and paperboard products and, in particular, to paper and paperboard products having improved dimensional stability properties. Another aspect of this invention relates a process of making the paper and paperboard products of this invention.
  • a continuing problem in the papermaking arts is the tendency of papers to expand or contract in size based on ambient moisture conditions.
  • paper fibers will generally absorb moisture and expand.
  • the dimensions of the overall paper also expand, a phenomena referred to as hygroexpansion.
  • the paper fibers may give off previously retained moisture leading to fiber and paper shrinkage.
  • variations in humidity conditions may lead to other variations and instabilities in the dimensions of the paper including curling and cockling.
  • the present invention provides a method for forming a paper or paperboard.
  • the method includes providing a papermaking furnish comprising cellulosic fibers, starch and a boron-containing compound.
  • the amount of starch compound may vary widely as for example equal to or less than about 200 lbs per ton of fiber and is preferably equal to or less than about 170 lbs per ton of fiber, more preferably from about 2 lbs to about 150 lbs per ton of fiber and most preferably from about 2 lbs to about 100 lbs per ton of fiber with amount of more preferably from about 3 lbs to about 50 lbs of starch per ton of fiber in the embodiments of choice.
  • the amount of boron containing compound may also vary widely. In the preferred embodiments the amount of boron containing com ⁇
  • the compound is present in an amount equal to or less than about 7 % of the weight of starch added to the furnish, preferably equal to or less than about 5 % of the weight of starch added to the furnish, more preferably equal to or less than about 3 % of the weight of starch added to the furnish and most, preferably from about 0.2 % to about 2% of the weight of starch added to the furnish.
  • the amount of starch is from about 0.7 % to about 0.8 % of the weight of starch added to the furnish.
  • the method further includes forming a fibrous web from the paper- making furnish and drying the web. In the preferred embodiments of the invention, the dried web is calendered to provide a finished paper or paperboard.
  • the invention relates to a paper or paperboard formed by the method of this invention.
  • the paper or paperboard comprises a paper web formed from a pulp furnish comprising cellulosic fibers, starch and a boron-containing compound, h one embodiment, the major portion (e.g. greater than 50%, preferably greater than 75% and more preferably greater than about 80% to about 90%) of the starch and a boron-containing compound is at or about the surfaces of the web. In another embodiment, the major portion (e.g. greater than 50%, preferably greater than 75% and more preferably greater than about 80% to about 90%) of the starch and a boron-containing compound is dispersed through out the web the web.
  • cooked starch and at least a portion of the boron-containing compound are premixed with one another to provide a slurry and the resultant slurry is then added to the pulp furnish.
  • the boron-containing compound is added directly to the pulp furnish.
  • the invention provides a method for forming a paper or paperboard including the steps of providing a papermaking furnish comprising cellulosic fibers, forming a fibrous web from the papermaking furnish, drying the web and sizing the web by ap- plying a slurry to the web, the slurry comprises starch solids and a boron-containing compound.
  • the amount of boron containing compound may also vary widely. In the preferred embodiments the amount of boron containing compound will depend on the amount of starch. In these pre ⁇
  • the compound is present in an amount equal to or less than about 7 % of the weight of starch added to the furnish, preferably equal to or less than about 5 % of the weight of starch added to the furnish, more preferably equal to or less than about 3 % of the weight of starch added to the furnish and most, preferably from about 0.2 % to about 2% of the weight of starch added to the furnish.
  • the amount of starch is from about 0.7 % to about 0.8 % of the weight of starch added to the furnish.
  • the dried web is calendered to provide a finished paper or paperboard.
  • the invention relates to a paper or paperboard formed by the method of this invention
  • the paper or paperboard comprises comprising a paper web formed from a pulp furnish including cellulosic fibers and having a sizing applied to the paper web, the sizing including starch solids and a boron-containing compound present in the amounts described above.
  • boron containing compounds are boric acid and metal borate salts.
  • Preferred boron-containing compounds for the practice of the invention may be selected from the group consisting of boric acid, borax, and zinc borate.
  • the starch employed in the invention may be either an anionic starch, a cationic starch, or an amphipathic depending on the particular embodiment being practiced.
  • Preferred starch sources may be selected from the group consisting of cornstarch, wheat starch, potato starch, rice starch, tapioca starch, and sago starch.
  • the invention involves papers having either an internal starch or a size press applied starch and a boron-containing compound which is added in proportion to the starch and which is believed to interact with the starch to provide improved physical and mechanical properties in the paper.
  • Apaper® refers to and includes both paper and paperboard unless otherwise noted.
  • the paper is provided as a web containing cellulosic pulp fibers such as fiber derived from hardwood trees, softwood trees, or a combination of hardwood and softwood trees prepared for use in a papermaking furnish by any known suitable digestion, refining, and bleaching operations.
  • the cellulosic fibers in the paper include from about 0 % to about 40 % by weight dry basis softwood fibers and from about 100 % to about 60 % by weight dry basis hardwood fibers. In certain embodiments, at least a portion of the fibers may
  • the paper may also include other conventional additives such as, for example, starch, mineral fillers, sizing agents, retention aids, and strengthening polymers.
  • the fillers that may be used are organic and inorganic pigments such as, by way of example, polymeric particles such as polystyrene latexes and poly- methylmethacrylate, and minerals such as calcium carbonate, kaolin, and talc.
  • the papers may also include hollow microspheres.
  • a variety of papers and paperboards may be provided by the invention having a wide variety of basis weights and formed from a wide variety of cellulosic fibers. These include but are not limited to, including office papers, forms papers, envelope papers, label stock, bris- tols, and printing and publication papers as well as bleached boards and linerboards.
  • Office papers formed according to the present invention preferably have a final caliper, after calendering of the paper, and any nipping or pressing such as may be associated with subsequent coating of from about 3.5 to about 10 mils.
  • Office papers of the invention also preferably exhibit basis weights of from about 18 lb/1300ft 2 to about 32 lb/1300ft 2 .
  • Bleached boards formed according to the present invention preferably have a final caliper, after calendering of the board, and any nipping or pressing such as may be associated with subsequent coating of up to about 45 mils.
  • Bleached boards of the invention also typically exhibit basis weights of from about 40 lb/1000 ft 2 to about 90 lb/1000 ft 2 .
  • Linerboards formed according to the present invention preferably have a final caliper, after calendering of the board, and any nipping or pressing such as may be associated with subsequent coating of up to about 45 mils.
  • Linerboards of the invention also preferably exhibit basis weights of from about 251b/1000 ft 2 to about lOOlb/1000 ft 2 .
  • the papers of the present invention include a boron-containing compound in combination with starch.
  • the boron-containing compound is preferably selected from the group consisting of boric acid and anhydrous and hydrated metal borate salts.
  • Particularly preferred boron-containing compounds include anhydrous and hydrated sodium borate (Borax), potassium borate, boric oxide, boric acid, and zinc borate.
  • the boron-containing compound is added in proportion to the amount of starch being added and the amount may also vary widely. In the preferred embodiments the amount of boron containing compound will depend on the amount
  • the compound is present in an amount equal to or less than about 7 % of the weight of starch added to the furnish, preferably equal to or less than about 5 % of the weight of starch added to the furnish, more preferably equal to or less than about 3 % of the weight of starch added to the furnish and most, preferably from about 0.2 % to about 2% of the weight of starch added to the furnish.
  • the amount of starch is from about 0.7 % to about 0.8 % of the weight of starch added to the furnish. .
  • a starch solution is added to the paper in combination with the boron-containing compound.
  • the starch solution may include a cationic starch, an anionic starch, an amphipathic starch, or a combination of more of more of these starches.
  • Suitable starch sources include corn- starch, wheat starch, potato starch, rice starch, tapioca starch, and sago starch.
  • the type and amount of starch added to the paper may vary depending on the particular embodiment of the invention as described in more detail herein below.
  • starch and boron-containing compound added to the paper may vary depending on the particular embodiment of the invention.
  • the starch and boron-containing compound are added to the furnish prior to the forming of the web on the papermaking machine.
  • the combination of starch and boron- containing compound are added at the size press after the web has been formed and at least partially dried. Papers according to the invention have been observed to have improved resistance to moisture expansion and shrinkage.
  • the papers exhibit less fiber expansion when in a moist or humid environment than conventional papers and also exhibit less fiber shrinkage when in a particularly arid environment
  • the papers exhibit improvements in strength and stiffness properties including Gurley stiffness, modulus of elasticity, tensile energy absorption, and/or tensile strength.
  • the method of forming the paper materials of the present invention includes providing an initial paper furnish.
  • the cellulosic fibrous component of the furnish is suitably of the chemically pulped variety, such as a bleached kraft pulp, although the invention is not believed to be limited to kraft pulps, and may also be used with good effect with other chemical pulps such as sulfite pulps, mechanical pulps such as ground wood pulps, and other pulp varieties and mixtures thereof such as chemical-mechanical and thermo-mechanical pulps.
  • the pulp is preferably bleached to remove lig- nins and to achieve a desired pulp brightness according to one or more bleaching treatments
  • the pulp After bleaching is completed and the pulp is washed and screened, it is generally subjected to one or more refining steps. Thereafter, the refined pulp is passed to a blend chest where it is mixed with various additives and fillers typically incorporated into a papermaking furnish as well as other pulps such as unbleached pulps and/or recycled or post-consumer pulps.
  • the additives may include so-called Ainternal sizing® agents used primarily to increase the contact angle of polar liquids contacting the surface of the paper such as alkenyl succinic anhydride (ASA), alkyl ketene dimer (AKD), and rosin sizes.
  • Retention aids may also be added at this stage, including both cationic and anionic retention aids.
  • an amount of internal starch is typically added to the paper furnish at this point as well.
  • the boron-containing compound is added in to the furnish in combination with this starch, hi this embodiment, starch is typically added to the furnish in an amount as described above as for example an amount of about 3 lb of starch / ton of paper to about 30 lbs of starch / ton of paper.
  • boron-containing compound is typically added to the furnish in an amount based on the weight of the starch added to the furnish in an amount as described above.
  • the boron-containing compound has a relatively high water solubility. It is preferred to pre-mix the converted (cooked) starch solution and the boron-containing compound with one another, thereby providing a slurry of starch and boron- containing compound and then add this slurry mixture to the furnish as a later step.
  • the preferred boron-containing compound is boric acid. It is also preferred that the starch being added to the furnish is a cationic starch.
  • the invention may employ a preconverted starch, that is, a starch which has been previously reacted with additives such as ammonium persulfate and / or conversion enzymes in order to partially convert the highly branched molecular structure of the raw starch into a structure which is somewhat more linear and less branched.
  • a preconverted starch that is, a starch which has been previously reacted with additives such as ammonium persulfate and / or conversion enzymes in order to partially convert the highly branched molecular structure of the raw starch into a structure which is somewhat more linear and less branched.
  • additives such as ammonium persulfate and / or conversion enzymes
  • the boron-containing compound may be directly added to the furnish mixture, and separately, the starch solution may be directly added to the furmsh. This is typically preferred if the boron-containing compound is one of relatively low aqueous solubility such as zinc borate for example.
  • the furnish is formed into a single or multi-ply web on a paper- making machine such as a Fourdrinier machine or any other suitable papermaking machine known in the art, as well as those which may become known in the future.
  • a paper- making machine such as a Fourdrinier machine or any other suitable papermaking machine known in the art, as well as those which may become known in the future.
  • the basic methodologies involved in making paper on various papermaking machine configurations are well known to those of ordinary skill in the art and accordingly will not be described in detail herein.
  • a furnish consisting of a relatively low consistency aqueous slurry of the pulp fibers (typically about 0.1 to about 1.0%) along with the microspheres and various additives and fillers dispersed therein is ejected from a headbox onto a porous endless moving forming sheet or wire where the liquid is gradually drained through small openings in the wire until a mat of pulp fibers and the other materials is formed on the wire.
  • the still-wet mat or web is transferred from the wire to a wet press where more fiber-to-fiber consolidation occurs and the moisture is further decreased.
  • the web is then passed to an initial dryer section to remove most of the retained moisture and further consolidate the fibers in the web.
  • the web may be further treated using a size press wherein additional starch, pigments, and other additives may be applied to the web and incorporated therein by the action of the press.
  • the boron-containing compound may also be added to the paper along with this starch addition in addition to, or in place of, addition of the boron-containing compound with the wet end internal starch.
  • starch is typi- cally added at the size press in the desired amount as for example at a starch pickup rate of from about 40 to about 150 lbs starch / ton of paper and the boron-containing compound is typically added with the starch at the size press, in the desired amount and based on the weight of starch solids added as for example from about 0.2% to about 1.0% (preferably 0.7%o to about 0.8%) by weight of the starch.
  • the starch and the boron- containing compound be pre-mixed into a slurry.
  • the starch is a raw, unconverted starch, such as a pearl starch, then it may be preferred to mix the raw starch and the boron- containing compound, and then cook the resultant slurry to convert the starch prior to application
  • the conversion may be aided by the use of additives such as ammonium per- sulfate and conversion enzymes.
  • the conversion may be carried at a temperature of from about 100-105°C.
  • the starch is then maintained at about 60-70°C until it is applied at the size press.
  • a preferred boron-containing compound is borax (sodium borate).
  • the paper is preferably calendered to achieve the desired final caliper as discussed above to improve the smoothness and other properties of the web.
  • the calendering may be accomplished by steel-steel calendaring at nip pressures sufficient to provide a desired caliper. It will be appreciated that the ultimate caliper of the paper will be largely determined by the selection of the nip pressure.
  • starch addition typically makes the paper more susceptible to hygroexpansion and other dimensional instability when in a high humidity environment.
  • starch molecules by promoting complexing of starch molecules one with another, the amount of starch available to penetrate the cellulosic fibers is reduced. Accordingly the fibers are less susceptible to moisture penetration and exhibit less dimensional variation with changing environmental conditions.
  • the use of the boron-containing compounds leads to improvements in the strength and stiffness properties of the paper formed according to the invention.
  • the papers may also exhibit improvements in Gurley stiffness, modulus of elasticity, tensile energy absorption, and/or tensile strength.
  • a series of hand sheet samples of a linerboard were produced to determine the effect of addition of a boron-containing compound, together with starch, in a pulp furnish.
  • the board was formed from a pulp mixture of about 80% hardwoods and about 20% softwoods.
  • the first (control) sample was formed without any internal starch or boron-containing compound.
  • Sample 2 was formed from the same furnish, except that starch was added to the furnish mixture at a ratio of about 20 lb starch / ton of pulp fibers prior to the furnish being formed into the hand sheets. Again, no boron-containing compound was included in the furnish.
  • Sample 3 the pulp mixture was used and in this sample, the furnish was combined with about 20 lb starch/ ton of pulp fibers and about 1% of boric acid, based on the weight of starch added. The starch and boric acid were initially combined with one another to form slurry. This slurry was cooked and then added to the furnish prior to hand sheet formation.
  • a series of hand sheet samples of an offset printing paper were produced to determine the effect of addition of a boron-containing compound, together with starch, in the sizing of a paper at the size press.
  • the board was formed from a pulp mixture of about 80%) hardwoods and about 20%) softwoods.
  • the first (control) sample was formed as a control.
  • This sheet was not treated with either starch or boron-containing compound at the size press, hi Sample 2, a base sheet formed in accordance with Sample 1 was sized by applying a 16% starch solids mixture with a rod-metering device and sizing the sheet using a Beloit size press. No boron- containing compound was included with the sizing starch.
  • the starch was a Staley Pearl AP
  • starch that was converted using ammonium persulfate.
  • the starch was applied at a pickup rate of about 100 lb/ ton of base sheet.
  • Sample 3 the sheet was formed and sized as in Sample 2, except that the starch solids were applied at 10 % solids rather than 16% solids. Again, no boron-containing compound was included with the sizing starch.
  • a base sheet formed in accordance with Sample 1 was sized by applying a mixture comprising 16% starch solids and borax (sodium borate pentahydrate). The ratio (by weight) of the borax in the mixture to the starch solids was about 0.25 %. Prior to being applied to the sheet, the mixture of starch and borax was cooked with of ammonium persulphate in order to convert the starch. The mixture was applied with a rod-metering device, and the sheet was sized using a Beloit size press.
  • borax sodium borate pentahydrate

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  • Paper (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

L'invention concerne des papiers comprenant un amidon interne ou un amidon appliqué par presse encolleuse ainsi qu'un composé contenant du bore ajouté proportionnellement à l'amidon et censé interagir avec ce dernier de façon à conférer des propriétés physiques et mécaniques améliorées au papier. L'invention concerne également un procédé destiné à former ces papiers.
PCT/IB2003/003983 2002-09-17 2003-09-17 Papiers comprenant un compose contenant du bore et procede de fabrication correspondant Ceased WO2004027149A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP03797461A EP1540081B1 (fr) 2002-09-17 2003-09-17 Papiers comprenant un compose contenant du bore et procede de fabrication correspondant
CA2513488A CA2513488C (fr) 2002-09-17 2003-09-17 Papiers comprenant un compose contenant du bore et procede de fabrication correspondant
AT03797461T ATE478196T1 (de) 2002-09-17 2003-09-17 Papiere mit borhaltiger verbindung und verfahren zu ihrer herstellung
BR0314311-2A BR0314311A (pt) 2002-09-17 2003-09-17 Papéis tendo complexos a base de borato e método de fabricação dos mesmos
AU2003260833A AU2003260833A1 (en) 2002-09-17 2003-09-17 Papers comprising a boron-containing compound and a method of making same
DE60333841T DE60333841D1 (de) 2002-09-17 2003-09-17 Papiere mit borhaltiger verbindung und verfahren zu ihrer herstellung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41131902P 2002-09-17 2002-09-17
US60/411,319 2002-09-17

Publications (1)

Publication Number Publication Date
WO2004027149A1 true WO2004027149A1 (fr) 2004-04-01

Family

ID=32030663

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2003/003983 Ceased WO2004027149A1 (fr) 2002-09-17 2003-09-17 Papiers comprenant un compose contenant du bore et procede de fabrication correspondant

Country Status (8)

Country Link
EP (1) EP1540081B1 (fr)
CN (2) CN102767114A (fr)
AT (1) ATE478196T1 (fr)
AU (1) AU2003260833A1 (fr)
BR (1) BR0314311A (fr)
CA (1) CA2513488C (fr)
DE (1) DE60333841D1 (fr)
WO (1) WO2004027149A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT413549B (de) * 2003-11-03 2006-03-15 Spezialpappenfabrik Rosegg Bet Neuer papier-, karton- bzw. pappewerkstoff
US7608166B2 (en) * 2003-09-17 2009-10-27 International Paper Company Papers having borate-based complexing and method of making same
WO2011057044A2 (fr) 2009-11-06 2011-05-12 Hercules Incorporated Application superficielle de polymères et de mélanges de polymères pour améliorer la résistance mécanique du papier
CN101365745B (zh) * 2005-11-04 2011-06-08 嘉吉有限公司 含有卵磷脂的淀粉组合物，其制备方法以及具有耐油脂性和/或防粘性的纸制品
WO2012061305A1 (fr) 2010-11-05 2012-05-10 Hercules Incorporated Application en surface de polymères pour améliorer la résistance du papier
CN103966890A (zh) * 2013-02-05 2014-08-06 金东纸业（江苏）股份有限公司 造纸工艺
WO2016001016A1 (fr) 2014-07-03 2016-01-07 Basf Se Agent de revêtement de surface aqueux pour papiers et cartons

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Publication number Priority date Publication date Assignee Title
CN103966892A (zh) * 2013-02-05 2014-08-06 金东纸业（江苏）股份有限公司 造纸助剂、造纸工艺及纸产品
CN103966886A (zh) * 2013-02-05 2014-08-06 金东纸业（江苏）股份有限公司 造纸工艺
CN103966894A (zh) * 2013-02-05 2014-08-06 金东纸业（江苏）股份有限公司 造纸工艺
US8801899B1 (en) * 2013-09-06 2014-08-12 International Paper Company Paperboards having improved bending stiffness and method for making same
CN104389238A (zh) * 2014-10-09 2015-03-04 金东纸业（江苏）股份有限公司 制纸方法及其制得的施胶纸和涂布纸
CN107663813A (zh) * 2016-07-29 2018-02-06 华南理工大学 一种防潮包装纸与复合施胶液及它们的制备方法
EP4303358A1 (fr) 2022-07-04 2024-01-10 Eti Maden Isletmeleri Genel Mudurlugu Utilisation de composés de bore dans la réduction en pâte de papier, la production de papier et la récupération caustique

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EP0148647A1 (fr) * 1984-01-11 1985-07-17 Kemira Oy Procédé de fabrication de papier et combinaison d'ingrédients utilisés
JPH0647826A (ja) * 1992-07-29 1994-02-22 Nitto Boseki Co Ltd 建築用繊維板の製造方法
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US7815770B2 (en) * 2003-09-17 2010-10-19 International Paper Company Papers having borate-based complexing and method of making same
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CN101365745B (zh) * 2005-11-04 2011-06-08 嘉吉有限公司 含有卵磷脂的淀粉组合物，其制备方法以及具有耐油脂性和/或防粘性的纸制品
WO2011057044A2 (fr) 2009-11-06 2011-05-12 Hercules Incorporated Application superficielle de polymères et de mélanges de polymères pour améliorer la résistance mécanique du papier
US8696869B2 (en) 2009-11-06 2014-04-15 Hercules Incorporated Surface application of polymers and polymer mixtures to improve paper strength
WO2012061305A1 (fr) 2010-11-05 2012-05-10 Hercules Incorporated Application en surface de polymères pour améliorer la résistance du papier
US8900412B2 (en) 2010-11-05 2014-12-02 Solenis Technologies Cayman, L.P. Surface application of polymers to improve paper strength
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BR0314311A (pt) 2005-07-26
CN1705797A (zh) 2005-12-07
EP1540081A1 (fr) 2005-06-15
CA2513488A1 (fr) 2004-04-01
DE60333841D1 (de) 2010-09-30
CN102767114A (zh) 2012-11-07
CA2513488C (fr) 2010-12-07
ATE478196T1 (de) 2010-09-15
AU2003260833A1 (en) 2004-04-08

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