NO20024957D0 - Inhibering av gulning i papir - Google Patents

Inhibering av gulning i papir

Info

Publication number
NO20024957D0
NO20024957D0 NO20024957A NO20024957A NO20024957D0 NO 20024957 D0 NO20024957 D0 NO 20024957D0 NO 20024957 A NO20024957 A NO 20024957A NO 20024957 A NO20024957 A NO 20024957A NO 20024957 D0 NO20024957 D0 NO 20024957D0
Authority
NO
Norway
Prior art keywords
yellowing
inhibition
paper
Prior art date
Application number
NO20024957A
Other languages
English (en)
Other versions
NO20024957L (no
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 NO20024957L publication Critical patent/NO20024957L/no
Publication of NO20024957D0 publication Critical patent/NO20024957D0/no

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)
NO20024957A 2000-04-19 2002-10-15 Inhibering av gulning i papir NO20024957D0 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19844700P 2000-04-19 2000-04-19
PCT/CA2001/000543 WO2001079605A2 (en) 2000-04-19 2001-04-19 Inhibition of yellowing in papers

Publications (2)

Publication Number Publication Date
NO20024957L NO20024957L (no) 2002-10-15
NO20024957D0 true NO20024957D0 (no) 2002-10-15

Family

ID=22733420

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20024957A NO20024957D0 (no) 2000-04-19 2002-10-15 Inhibering av gulning i papir

Country Status (7)

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

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
RU2223985C2 (ru) * 1997-07-23 2004-02-20 Циба Спешиалти Кемикалз Холдинг Инк. Ингибирование пожелтения целлюлозы и бумаги с использованием нитроксидов и других совместно вводимых добавок
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
WO2001079605A2 (en) 2001-10-25
AU2001254542A1 (en) 2001-10-30
CA2405662A1 (en) 2001-10-25
SE0203040D0 (sv) 2002-10-15
FI20021862A (fi) 2002-10-18
WO2001079605A3 (en) 2002-02-28
NO20024957L (no) 2002-10-15
SE0203040L (sv) 2002-10-31
SE525893C2 (sv) 2005-05-24
JP2004504500A (ja) 2004-02-12

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application