SE9804559L - Process for improving formation and printability of printing paper and a printing paper that has undergone the process - Google Patents

Process for improving formation and printability of printing paper and a printing paper that has undergone the process

Info

Publication number
SE9804559L
SE9804559L SE9804559A SE9804559A SE9804559L SE 9804559 L SE9804559 L SE 9804559L SE 9804559 A SE9804559 A SE 9804559A SE 9804559 A SE9804559 A SE 9804559A SE 9804559 L SE9804559 L SE 9804559L
Authority
SE
Sweden
Prior art keywords
printing paper
printability
undergone
paper
sol
Prior art date
Application number
SE9804559A
Other languages
Swedish (sv)
Other versions
SE9804559D0 (en
SE518421C2 (en
Inventor
Stefan Pedersen
Martin Froejd
Per Skoglund
Thomas Ericsson
Original Assignee
Stora Kopparbergs Bergslags Ab
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 Stora Kopparbergs Bergslags Ab filed Critical Stora Kopparbergs Bergslags Ab
Priority to SE9804559A priority Critical patent/SE518421C2/en
Publication of SE9804559D0 publication Critical patent/SE9804559D0/en
Publication of SE9804559L publication Critical patent/SE9804559L/en
Publication of SE518421C2 publication Critical patent/SE518421C2/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
    • D21H17/71—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
    • 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
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • 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
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Paper (AREA)

Abstract

A dispersion or sol of inorganic particles with a high specific surface area is added to the pulp suspension before the forming step. A method for improving the formation and printability of printing grade paper, comprises the addition of a silica sol and cationic starch to the pulp suspension prior to the forming step, the suspension comprising at least one paper pulp and an inorganic filler. A further dispersion or sol of inorganic particles with a high specific surface area is added to the pulp suspension before forming. An Independent claim is also included for paper made by this method.
SE9804559A 1998-12-23 1998-12-23 Improving paper formation and printability, by adding a dispersion or solution of high surface inorganic particles prior to the forming step SE518421C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9804559A SE518421C2 (en) 1998-12-23 1998-12-23 Improving paper formation and printability, by adding a dispersion or solution of high surface inorganic particles prior to the forming step

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9804559A SE518421C2 (en) 1998-12-23 1998-12-23 Improving paper formation and printability, by adding a dispersion or solution of high surface inorganic particles prior to the forming step

Publications (3)

Publication Number Publication Date
SE9804559D0 SE9804559D0 (en) 1998-12-23
SE9804559L true SE9804559L (en) 2000-06-24
SE518421C2 SE518421C2 (en) 2002-10-08

Family

ID=20413874

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9804559A SE518421C2 (en) 1998-12-23 1998-12-23 Improving paper formation and printability, by adding a dispersion or solution of high surface inorganic particles prior to the forming step

Country Status (1)

Country Link
SE (1) SE518421C2 (en)

Also Published As

Publication number Publication date
SE9804559D0 (en) 1998-12-23
SE518421C2 (en) 2002-10-08

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Legal Events

Date Code Title Description
NUG Patent has lapsed