MX174066B - METHOD TO IMPROVE THE RETENTION OF PAPER FINE AND PAPER FILLING MATERIAL DURING ITS MANUFACTURE IN A SHEET FROM PULP - Google Patents

METHOD TO IMPROVE THE RETENTION OF PAPER FINE AND PAPER FILLING MATERIAL DURING ITS MANUFACTURE IN A SHEET FROM PULP

Info

Publication number
MX174066B
MX174066B MX020530A MX2053090A MX174066B MX 174066 B MX174066 B MX 174066B MX 020530 A MX020530 A MX 020530A MX 2053090 A MX2053090 A MX 2053090A MX 174066 B MX174066 B MX 174066B
Authority
MX
Mexico
Prior art keywords
paper
pulp
sheet
retention
manufacture
Prior art date
Application number
MX020530A
Other languages
Spanish (es)
Inventor
Paul F Richardson
Original Assignee
Nalco Chemical Compan
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 Nalco Chemical Compan filed Critical Nalco Chemical Compan
Publication of MX174066B publication Critical patent/MX174066B/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
    • D21H17/20—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
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45—Nitrogen-containing groups
    • D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)

Abstract

La presente invención se refiere a un metodo para mejorar la retención de finos del papel y material de relleno del papel durante su fabricación en una hoja apartir de pasta, el metodo está caracterizado porque se trata la pasta antes de la formación de la hoja con una cantidad de un copolímero que retiene los finos y el material de relleno del papel, el cual contiene entre 40-60 por ciento por peso de cloruro de dialildimetilamonio y entre 60-40 por ciento por peso de acrilamida, el copolímero tiene un peso molecular suficiente para proporcionar una viscosidad específica reducida igual a, o cuando menos 5.0 decilitros.The present invention relates to a method for improving the retention of paper fines and paper filler during manufacture on a sheet of pulp, the method is characterized in that the pulp is treated before sheet formation with a amount of a copolymer that retains the fines and filler material of the paper, which contains between 40-60 percent by weight of diallyldimethylammonium chloride and between 60-40 percent by weight of acrylamide, the copolymer has sufficient molecular weight to provide a reduced specific viscosity equal to, or at least 5.0 deciliters.

MX020530A 1989-08-23 1990-04-30 METHOD TO IMPROVE THE RETENTION OF PAPER FINE AND PAPER FILLING MATERIAL DURING ITS MANUFACTURE IN A SHEET FROM PULP MX174066B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39722489A 1989-08-23 1989-08-23

Publications (1)

Publication Number Publication Date
MX174066B true MX174066B (en) 1994-04-19

Family

ID=23570335

Family Applications (1)

Application Number Title Priority Date Filing Date
MX020530A MX174066B (en) 1989-08-23 1990-04-30 METHOD TO IMPROVE THE RETENTION OF PAPER FINE AND PAPER FILLING MATERIAL DURING ITS MANUFACTURE IN A SHEET FROM PULP

Country Status (6)

Country Link
EP (1) EP0414496A1 (en)
AU (1) AU5113090A (en)
CA (1) CA2005896A1 (en)
FI (1) FI902129A0 (en)
MX (1) MX174066B (en)
ZA (1) ZA902389B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5169497A (en) * 1991-10-07 1992-12-08 Nalco Chemical Company Application of enzymes and flocculants for enhancing the freeness of paper making pulp
AU2001238483A1 (en) * 2000-02-24 2001-09-03 Calgon Corporation An organic coagulant composition for treating coated broke

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI272374A (en) * 1973-10-01 1975-04-02 Calgon Corp
JPH0615757B2 (en) * 1985-04-30 1994-03-02 住友化学工業株式会社 Paper manufacturing method
KR0159921B1 (en) * 1988-10-03 1999-01-15 마이클 비. 키한 A composition comprising cathionic and anionic polymer process thereof

Also Published As

Publication number Publication date
EP0414496A1 (en) 1991-02-27
CA2005896A1 (en) 1991-02-23
AU5113090A (en) 1991-02-28
ZA902389B (en) 1991-03-27
FI902129A0 (en) 1990-04-27

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