FI20125818A - Menetelmä ja järjestelmä kalanterin tummumisen estämiseksi - Google Patents

Menetelmä ja järjestelmä kalanterin tummumisen estämiseksi Download PDF

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Publication number
FI20125818A
FI20125818A FI20125818A FI20125818A FI20125818A FI 20125818 A FI20125818 A FI 20125818A FI 20125818 A FI20125818 A FI 20125818A FI 20125818 A FI20125818 A FI 20125818A FI 20125818 A FI20125818 A FI 20125818A
Authority
FI
Finland
Prior art keywords
darkening
calender
preventing
preventing calender
calender darkening
Prior art date
Application number
FI20125818A
Other languages
English (en)
Swedish (sv)
Inventor
Paeivi Solismaa
Janne Varvemaa
Eero Haarla
Kimmo Finnilae
Mikko Vuori
Original Assignee
Upm Kymmene Corp
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 Upm Kymmene Corp filed Critical Upm Kymmene Corp
Priority to FI20125818A priority Critical patent/FI20125818A/fi
Priority to EP13747859.0A priority patent/EP2877634B1/en
Priority to PCT/FI2013/050767 priority patent/WO2014016469A1/en
Publication of FI20125818A publication Critical patent/FI20125818A/fi

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H25/00After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/08Rearranging applied substances, e.g. metering, smoothing; Removing excess material
    • D21H25/12Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod
    • D21H25/14Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod the body being a casting drum, a heated roll or a calender
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63Inorganic compounds
    • D21H17/70Inorganic compounds forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with other substances added separately
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63Inorganic compounds
    • D21H17/67Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675Oxides, hydroxides or carbonates
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63Inorganic compounds
    • D21H17/67Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/69Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00Complete machines for making continuous webs of paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00Calenders; Smoothing apparatus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
FI20125818A 2012-07-27 2012-07-27 Menetelmä ja järjestelmä kalanterin tummumisen estämiseksi FI20125818A (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20125818A FI20125818A (fi) 2012-07-27 2012-07-27 Menetelmä ja järjestelmä kalanterin tummumisen estämiseksi
EP13747859.0A EP2877634B1 (en) 2012-07-27 2013-07-18 A method and a system for preventing calender blackening
PCT/FI2013/050767 WO2014016469A1 (en) 2012-07-27 2013-07-18 A method and a system for preventing calender blackening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20125818A FI20125818A (fi) 2012-07-27 2012-07-27 Menetelmä ja järjestelmä kalanterin tummumisen estämiseksi

Publications (1)

Publication Number Publication Date
FI20125818A true FI20125818A (fi) 2014-01-28

Family

ID=48953409

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20125818A FI20125818A (fi) 2012-07-27 2012-07-27 Menetelmä ja järjestelmä kalanterin tummumisen estämiseksi

Country Status (3)

Country Link
EP (1) EP2877634B1 (fi)
FI (1) FI20125818A (fi)
WO (1) WO2014016469A1 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015152269A1 (ja) * 2014-03-31 2015-10-08 日本製紙株式会社 炭酸カルシウム微粒子およびその製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6251356B1 (en) * 1999-07-21 2001-06-26 G. R. International, Inc. High speed manufacturing process for precipitated calcium carbonate employing sequential perssure carbonation
DE102004045089A1 (de) * 2004-09-17 2006-03-23 Voith Paper Patent Gmbh Verfahren und Vorrichtung zum Beladen einer Faserstoffsuspension

Also Published As

Publication number Publication date
EP2877634A1 (en) 2015-06-03
EP2877634B1 (en) 2016-09-14
WO2014016469A1 (en) 2014-01-30

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