DK139848B - Fremgangsmåde til at forbedre tilbageholdelsen af uorganiske fyldstoffer og fine fibre og at forøge afvandingshastigheden ved papirfremstilling. - Google Patents

Fremgangsmåde til at forbedre tilbageholdelsen af uorganiske fyldstoffer og fine fibre og at forøge afvandingshastigheden ved papirfremstilling.

Info

Publication number
DK139848B
DK139848B DK463272A DK463272A DK139848B DK 139848 B DK139848 B DK 139848B DK 463272 A DK463272 A DK 463272A DK 463272 A DK463272 A DK 463272A DK 139848 B DK139848 B DK 139848B
Authority
DK
Denmark
Prior art keywords
papermaking
retention
improving
increasing
inorganic fillers
Prior art date
Application number
DK463272A
Other languages
English (en)
Other versions
DK139848C (da
Inventor
Robert Clayton Slagel
Raymond Joseph Schaper
Original Assignee
Calgon 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 Calgon Corp filed Critical Calgon Corp
Publication of DK139848B publication Critical patent/DK139848B/da
Application granted granted Critical
Publication of DK139848C publication Critical patent/DK139848C/da

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
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • D21H17/43—Carboxyl groups or derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
DK463272A 1971-10-06 1972-09-20 Fremgangsmåde til at forbedre tilbageholdelsen af uorganiske fyldstoffer og fine fibre og at forøge afvandingshastigheden ved papirfremstilling. DK139848B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18715371A 1971-10-06 1971-10-06

Publications (2)

Publication Number Publication Date
DK139848B true DK139848B (da) 1979-04-30
DK139848C DK139848C (da) 1979-10-08

Family

ID=22687811

Family Applications (1)

Application Number Title Priority Date Filing Date
DK463272A DK139848B (da) 1971-10-06 1972-09-20 Fremgangsmåde til at forbedre tilbageholdelsen af uorganiske fyldstoffer og fine fibre og at forøge afvandingshastigheden ved papirfremstilling.

Country Status (12)

Country Link
JP (1) JPS4845603A (da)
BE (1) BE789727A (da)
CH (1) CH575046A5 (da)
DE (1) DE2248752A1 (da)
DK (1) DK139848B (da)
FR (1) FR2155599A5 (da)
GB (1) GB1401353A (da)
IT (1) IT966094B (da)
LU (1) LU66232A1 (da)
NL (1) NL7212792A (da)
NO (1) NO134311C (da)
SE (1) SE379071B (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3018081A1 (de) * 1980-05-12 1981-11-19 Basf Ag, 6700 Ludwigshafen Anionische dispersionen fuer die oberflaechenleimung von papier
DE3027236C2 (de) * 1980-07-18 1985-08-01 Chemische Fabrik Stockhausen GmbH, 4150 Krefeld Terpolymere aus 2-Acrylamido-2-methyl-propansulfonsäure, Acrylamid und Acrylsäure in Form ihrer Salze, Verfahren zur Herstellung dieser Terpolymeren und Verwendung zur Verhinderung von Inkrustationen in wäßrigen Systemen
JPS58180696A (ja) * 1982-04-19 1983-10-22 王子製紙株式会社 紙の製造方法
CA1225793A (en) * 1983-03-11 1987-08-18 Union Carbide Corporation High molecular weight water-soluble polymers and flocculation method using same
US4599390A (en) * 1983-03-11 1986-07-08 Union Carbide Corporation High molecular weight water-soluble polymers and flocculation method using same
EP0119493A1 (en) * 1983-03-16 1984-09-26 American Cyanamid Company Use of copolymers of 2-acrylamido-2-methylpropane sulfonic acid for improving retention and dewatering in the manufacture of paper
DE3468458D1 (en) * 1983-06-15 1988-02-11 American Cyanamid Co Manufacture of paper using copolymers of 2-acrylamido-2-methylpropane sulfonic acid for increasing rate of dewatering of high mechanical/thermomechanical pulp furnishes
JPH0727159A (ja) * 1993-07-08 1995-01-27 Toshikazu Okuno 圧縮コイルばね

Also Published As

Publication number Publication date
JPS4845603A (da) 1973-06-29
GB1401353A (en) 1975-07-16
LU66232A1 (da) 1973-04-13
IT966094B (it) 1974-02-11
BE789727A (fr) 1973-04-05
NO134311B (da) 1976-06-08
FR2155599A5 (da) 1973-05-18
NL7212792A (da) 1973-04-10
CH575046A5 (da) 1976-04-30
DE2248752A1 (de) 1973-04-12
DK139848C (da) 1979-10-08
NO134311C (da) 1976-09-15
SE379071B (da) 1975-09-22

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