FI20095547A0 - Improving the strength of paper and board products - Google Patents

Improving the strength of paper and board products

Info

Publication number
FI20095547A0
FI20095547A0 FI20095547A FI20095547A FI20095547A0 FI 20095547 A0 FI20095547 A0 FI 20095547A0 FI 20095547 A FI20095547 A FI 20095547A FI 20095547 A FI20095547 A FI 20095547A FI 20095547 A0 FI20095547 A0 FI 20095547A0
Authority
FI
Finland
Prior art keywords
paper
improving
strength
board products
products
Prior art date
Application number
FI20095547A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI121478B (en
Inventor
Timo Lahtinen
Original Assignee
Sinoco Chemicals
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 Sinoco Chemicals filed Critical Sinoco Chemicals
Publication of FI20095547A0 publication Critical patent/FI20095547A0/en
Priority to FI20095547A priority Critical patent/FI121478B/en
Priority to US13/319,645 priority patent/US20120055642A1/en
Priority to BRPI1010992A priority patent/BRPI1010992A2/en
Priority to KR1020117030376A priority patent/KR20120036315A/en
Priority to EP10722156.6A priority patent/EP2432934B1/en
Priority to PCT/FI2010/050397 priority patent/WO2010133762A1/en
Priority to CA2762024A priority patent/CA2762024A1/en
Priority to CN201080022102.3A priority patent/CN102482850B/en
Priority to JP2012511314A priority patent/JP2012527544A/en
Application granted granted Critical
Publication of FI121478B publication Critical patent/FI121478B/en
Priority to ZA2011/08255A priority patent/ZA201108255B/en

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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates
    • 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
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/12—Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/12—Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/16—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
    • 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
    • D21H17/63—Inorganic 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
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/70—Inorganic compounds forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with other substances added separately
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/12—Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/80—Paper comprising more than one coating
    • 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
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/66—Treating discontinuous paper, e.g. sheets, blanks, rolls
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/70—Multistep processes; Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/76—Processes or apparatus for adding material to the pulp or to the paper characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect
    • 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
    • D21H27/30—Multi-ply

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
FI20095547A 2009-05-18 2009-05-18 Improving the strength of paper and board products FI121478B (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FI20095547A FI121478B (en) 2009-05-18 2009-05-18 Improving the strength of paper and board products
US13/319,645 US20120055642A1 (en) 2009-05-18 2010-05-07 Improving the strength of paper and board products
EP10722156.6A EP2432934B1 (en) 2009-05-18 2010-05-17 Improving the strength of paper and board products
KR1020117030376A KR20120036315A (en) 2009-05-18 2010-05-17 Improving the strength of paper and board products
BRPI1010992A BRPI1010992A2 (en) 2009-05-18 2010-05-17 improved strength of paper and cardboard products.
PCT/FI2010/050397 WO2010133762A1 (en) 2009-05-18 2010-05-17 Improving the strength of paper and board products
CA2762024A CA2762024A1 (en) 2009-05-18 2010-05-17 Improving the strength of paper and board products
CN201080022102.3A CN102482850B (en) 2009-05-18 2010-05-17 Improve the intensity of paper and paperboard goods
JP2012511314A JP2012527544A (en) 2009-05-18 2010-05-17 Improving the strength of paper and paperboard products
ZA2011/08255A ZA201108255B (en) 2009-05-18 2011-11-10 Improving the strength of paper and board products

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20095547 2009-05-18
FI20095547A FI121478B (en) 2009-05-18 2009-05-18 Improving the strength of paper and board products

Publications (2)

Publication Number Publication Date
FI20095547A0 true FI20095547A0 (en) 2009-05-18
FI121478B FI121478B (en) 2010-11-30

Family

ID=40680729

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20095547A FI121478B (en) 2009-05-18 2009-05-18 Improving the strength of paper and board products

Country Status (10)

Country Link
US (1) US20120055642A1 (en)
EP (1) EP2432934B1 (en)
JP (1) JP2012527544A (en)
KR (1) KR20120036315A (en)
CN (1) CN102482850B (en)
BR (1) BRPI1010992A2 (en)
CA (1) CA2762024A1 (en)
FI (1) FI121478B (en)
WO (1) WO2010133762A1 (en)
ZA (1) ZA201108255B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI121478B (en) * 2009-05-18 2010-11-30 Sinoco Chemicals Improving the strength of paper and board products
CN102615859A (en) * 2011-01-31 2012-08-01 康士达生物科技股份有限公司 Manufacturing method of paper container
US9777129B2 (en) 2014-04-11 2017-10-03 Georgia-Pacific Consumer Products Lp Fibers with filler
US9777143B2 (en) 2014-04-11 2017-10-03 Georgia-Pacific Consumer Products Lp Polyvinyl alcohol fibers and films with mineral fillers and small cellulose particles
KR20170026594A (en) 2014-07-03 2017-03-08 바스프 에스이 Aqueous surface-coating agent for paper and paperboard
CN105525534A (en) * 2015-12-31 2016-04-27 上海全宇生物科技遂平有限公司 High-strength special paper and preparation method thereof
CN113661290A (en) 2019-04-02 2021-11-16 凯米拉公司 Paper strength enhancement using metal chelates and synthetic cationic polymers
WO2020205905A1 (en) 2019-04-02 2020-10-08 Kemira Oyj Use of metal chelates as a surface application for abrasion and/or taber stiffness, improvement in paper and paperboard
WO2020201862A1 (en) 2019-04-04 2020-10-08 Dipped Products Plc Latex dipped article with a modified polyvinyl alcohol layer which resist to water, solvents and diluted solvents
JP7478388B2 (en) 2020-02-27 2024-05-07 ユニマテック株式会社 Fluorine-containing cellulose zirconium composite

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484334A (en) * 1964-11-30 1969-12-16 Sumitomo Chemical Co Decorative laminated article and preparation thereof
US4084033A (en) * 1967-02-24 1978-04-11 Johnson & Johnson Bonded nonwoven fabrics
US3582462A (en) * 1968-04-19 1971-06-01 Kurashiki Rayon Co Process for production of paper of polyvinyl alcohol synthetic fibers
US3740253A (en) 1968-12-13 1973-06-19 T Hattori Method for the manufacture of a highly water resistant paper
DE2614869C3 (en) * 1976-04-06 1980-08-21 Centralnyj Nautschno-Issledovatelskij Institut Bumagi, Moskovskaya Oblast (Sowjetunion) Crosslinking agent and process for its preparation
US4157275A (en) * 1977-12-14 1979-06-05 Engelhard Minerals & Chemicals Corporation Polyvinyl alcohol fibers containing acicular colloidal clay
BE884712A (en) * 1979-07-10 1981-02-11 Arjomari Prioux NEW SHEET PRODUCTS CONTAINING THERMOPLASTIC AND CELLULOSIC FIBERS, PROCESS FOR THEIR PREPARATION AND APPLICATION THEREOF
US4812145A (en) * 1987-12-22 1989-03-14 Lydall, Inc. Process for the production of a battery separator
JP2597407B2 (en) * 1989-10-26 1997-04-09 順一 石川 Wet mixed paper
EP0457235B1 (en) * 1990-05-14 1997-03-12 New Oji Paper Co., Ltd. Process for modifying cellulose pulp fibers with a substantially water-insoluble inorganic substance
US5362573A (en) * 1993-01-28 1994-11-08 Pandian Vernon E Use of zirconium salts to improve the surface sizing efficiency in paper making
ES2135849T3 (en) * 1995-05-18 1999-11-01 Fort James Corp NEW FORMULATIONS OF CRESPADO ADHESIVE, CRESPADO METHOD AND CRESPADA FIBROUS BAND.
JPH08325988A (en) * 1995-05-25 1996-12-10 Denki Kagaku Kogyo Kk Heat-resistant paper
US5824190A (en) * 1995-08-25 1998-10-20 Cytec Technology Corp. Methods and agents for improving paper printability and strength
GB2309039B (en) * 1996-01-12 1999-07-07 Portals Ltd Security paper
US6762138B2 (en) * 1997-01-21 2004-07-13 Ahlstrom Windsor Locks Llc Wet-laid nonwoven web from unpulped natural fibers and composite containing same
US6667424B1 (en) * 1998-10-02 2003-12-23 Kimberly-Clark Worldwide, Inc. Absorbent articles with nits and free-flowing particles
US6300259B1 (en) * 1999-04-26 2001-10-09 Weyerhaeuser Company Crosslinkable cellulosic fibrous product
DE19953591A1 (en) * 1999-11-08 2001-05-17 Sca Hygiene Prod Gmbh Metal-crosslinkable oxidized cellulose-containing fibrous materials and products made from them
JP3667266B2 (en) * 2000-09-07 2005-07-06 三島製紙株式会社 Biodegradable sheet material for molding seedling blocks
US6537424B1 (en) * 2002-04-10 2003-03-25 Fibermark, Inc. High temperature paper
ATE446396T1 (en) * 2003-03-10 2009-11-15 Kuraray Co POLYVINYL ALCOHOL BINDER FIBERS AND PAPER AND NON-WOVEN FABRIC CONTAINING THESE FIBERS
US8163133B2 (en) * 2003-04-01 2012-04-24 Akzo Nobel N.V. Dispersion
CN100442034C (en) * 2003-08-25 2008-12-10 高安株式会社 Sound absorbing material
JP4432605B2 (en) * 2004-05-11 2010-03-17 富士ゼロックス株式会社 Electrophotographic transfer paper
US20060037724A1 (en) * 2004-08-20 2006-02-23 Kao Corporation Bulky water-disintegratable cleaning article and process of producing water-disintergratable paper
US8067087B2 (en) * 2005-09-08 2011-11-29 Wausau Paper Mills, Llc Heat seal adhesive paper product, method for manufacturing, and laminate product
EP1770213A1 (en) * 2005-09-28 2007-04-04 Fuji Photo Film B.V. Recording support
JP2007197858A (en) * 2006-01-25 2007-08-09 Kohjin Co Ltd Sterilization paper
US7897012B2 (en) * 2006-07-05 2011-03-01 Mitsubishi Paper Mills Limited Sheet containing fibrous or tubular moisture adsorbent metal oxide
US7749317B2 (en) * 2007-06-25 2010-07-06 Weyerhaeuser Nr Company Fibrous blend and method of making
US8058194B2 (en) * 2007-07-31 2011-11-15 Kimberly-Clark Worldwide, Inc. Conductive webs
US7944401B2 (en) * 2008-05-29 2011-05-17 Kimberly-Clark Worldwide, Inc. Radiating element for a signal emitting apparatus
JP2010095804A (en) * 2008-10-14 2010-04-30 Aoi Techno:Kk Biodegradable resin-impregnated paper
FI121478B (en) * 2009-05-18 2010-11-30 Sinoco Chemicals Improving the strength of paper and board products
US8920731B2 (en) * 2010-09-20 2014-12-30 Kimberly-Clark Worldwide, Inc. Nonwoven-based chemi-capacitive or chemi-resistive gas sensor
US8496784B2 (en) * 2011-04-05 2013-07-30 P.H. Glatfelter Company Process for making a stiffened paper

Also Published As

Publication number Publication date
CN102482850B (en) 2015-11-25
WO2010133762A1 (en) 2010-11-25
JP2012527544A (en) 2012-11-08
KR20120036315A (en) 2012-04-17
CN102482850A (en) 2012-05-30
BRPI1010992A2 (en) 2019-04-09
EP2432934A1 (en) 2012-03-28
CA2762024A1 (en) 2010-11-25
ZA201108255B (en) 2012-08-29
FI121478B (en) 2010-11-30
US20120055642A1 (en) 2012-03-08
EP2432934B1 (en) 2013-09-04

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