FI20021862A - Paperin kellastumisen estäminen - Google Patents

Paperin kellastumisen estäminen Download PDF

Info

Publication number
FI20021862A
FI20021862A FI20021862A FI20021862A FI20021862A FI 20021862 A FI20021862 A FI 20021862A FI 20021862 A FI20021862 A FI 20021862A FI 20021862 A FI20021862 A FI 20021862A FI 20021862 A FI20021862 A FI 20021862A
Authority
FI
Finland
Prior art keywords
paper
prevent yellowing
yellowing
prevent
Prior art date
Application number
FI20021862A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Inventor
Zhirun Yuan
John Alois Schmidt
Peter Francis Mcgarry
Cyril Heitner
Original Assignee
Pulp Paper Res Inst
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 Pulp Paper Res Inst filed Critical Pulp Paper Res Inst
Publication of FI20021862A publication Critical patent/FI20021862A/fi

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
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/07—Nitrogen-containing 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
    • D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
    • D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
    • 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
    • D21H21/143—Agents preventing ageing of paper, e.g. radiation absorbing substances
    • 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
    • D21H21/28—Colorants ; Pigments or opacifying agents
    • D21H21/285—Colorants ; Pigments or opacifying agents insoluble
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
FI20021862A 2000-04-19 2002-10-18 Paperin kellastumisen estäminen FI20021862A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19844700P 2000-04-19 2000-04-19
PCT/CA2001/000543 WO2001079605A2 (fr) 2000-04-19 2001-04-19 Inhibition du jaunissement des papiers

Publications (1)

Publication Number Publication Date
FI20021862A true FI20021862A (fi) 2002-10-18

Family

ID=22733420

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20021862A FI20021862A (fi) 2000-04-19 2002-10-18 Paperin kellastumisen estäminen

Country Status (7)

Country Link
JP (1) JP2004504500A (fr)
AU (1) AU2001254542A1 (fr)
CA (1) CA2405662A1 (fr)
FI (1) FI20021862A (fr)
NO (1) NO20024957D0 (fr)
SE (1) SE525893C2 (fr)
WO (1) WO2001079605A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106381756B (zh) * 2016-11-16 2018-02-02 中国林业科学研究院林产化学工业研究所 一种基于无机氧化物的抑制高得率浆返黄的加填浆料及其制备与应用
CN115029956A (zh) * 2022-06-10 2022-09-09 万国纸业太阳白卡纸有限公司 一种卡纸及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE456168C (sv) * 1987-02-27 1991-08-12 Mo Och Domsjoe Ab Foerfarande foer ljushetsstabilisering av blekt lignininnehaallande cellulosamassa
AU723502B2 (en) * 1997-07-23 2000-08-31 Ciba Specialty Chemicals Holding Inc. Inhibition of pulp and paper yellowing using nitroxides and other coadditives
US6080534A (en) * 1998-08-27 2000-06-27 Eastman Kodak Company Imaging element with a substrate containing hindered amine stabilizer
US5998119A (en) * 1998-08-27 1999-12-07 Eastman Kodak Company Imaging element with a substrate containing low molecular weight hindered amine stabilizer

Also Published As

Publication number Publication date
SE0203040L (sv) 2002-10-31
JP2004504500A (ja) 2004-02-12
WO2001079605A2 (fr) 2001-10-25
CA2405662A1 (fr) 2001-10-25
AU2001254542A1 (en) 2001-10-30
SE525893C2 (sv) 2005-05-24
WO2001079605A3 (fr) 2002-02-28
NO20024957L (no) 2002-10-15
NO20024957D0 (no) 2002-10-15
SE0203040D0 (sv) 2002-10-15

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