EP0192952A1 - Verfahren zur Behandlung von Pulpen für die Herstellung von geleimten Papieren durch die Zugabe eines einzigen Leimungsmittels und geeignetes Leimungsmittel - Google Patents

Verfahren zur Behandlung von Pulpen für die Herstellung von geleimten Papieren durch die Zugabe eines einzigen Leimungsmittels und geeignetes Leimungsmittel Download PDF

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Publication number
EP0192952A1
EP0192952A1 EP86100727A EP86100727A EP0192952A1 EP 0192952 A1 EP0192952 A1 EP 0192952A1 EP 86100727 A EP86100727 A EP 86100727A EP 86100727 A EP86100727 A EP 86100727A EP 0192952 A1 EP0192952 A1 EP 0192952A1
Authority
EP
European Patent Office
Prior art keywords
component
sizing
addition
sizing agent
agent
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP86100727A
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English (en)
French (fr)
Inventor
Antonio Corbellini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0192952A1 publication Critical patent/EP0192952A1/de
Withdrawn legal-status Critical Current

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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
    • D21H17/63—Inorganic compounds
    • D21H17/66—Salts, e.g. alums
    • 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
    • D21H17/62—Rosin; Derivatives thereof

Definitions

  • the present invention relates to a method of preparing pulps for manufacturing sized papers by the addition of only one sizing agent and related sizing agent.
  • the invention is particularly suitable for continuos manufacturing of "sized” papers, i.e. papers suitable for writing, that is of "nonabsorbent" type.
  • the product can be used for making papers meet the requirements of flotation tests with ordinary ink, such as Pelikan 4001 ink and crossed lines test with different inks, such as "Sheaffer” blue ink, as well as water absorption tests according to Cobb method (UNI 6437-69 perennial standards).
  • the sizing agent adding step consist in addingd different products into the pulp for paper manufacturing, before introduction into the paper machine, according to the following "sizing" principle:
  • the invention as claimed solves the problem by previously preparing a mixture of aluminum sulfate in aqueous solution (component A) with aqueous dispersion of resin of gemma rosin and/or tall oil rosin modified or not with maleic anhydride and/or fumaric acid (component B).
  • the proportions of said two components A and B occur by admixing from about 0.3 to 2 (preferably 0.6) weight portions of the component A and 1 weight portion of the component B.
  • the amount of sizing agent derivative by the mixture of the components A + B according to the above-mentioned procedure to be used for obtaining sizing corresponding to the sizing obtained by the conventional method with a basis of rosin should be calculated making reference only to the contained component B.
  • the conventional cationic holdup agents can be added as usual.
  • the amount of the component A in the product obtained in accordance with this invention is considerably reduced with respect to the conventional process with attendant cost savings.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
EP86100727A 1985-01-25 1986-01-21 Verfahren zur Behandlung von Pulpen für die Herstellung von geleimten Papieren durch die Zugabe eines einzigen Leimungsmittels und geeignetes Leimungsmittel Withdrawn EP0192952A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8332285 1985-01-25
IT83322/85A IT1188086B (it) 1985-01-25 1985-01-25 Metodo per la preparazione di impasti per la produzione di carte collate mediante l'aggiunta di un unico prodotto collante e relativo prodotto collante

Publications (1)

Publication Number Publication Date
EP0192952A1 true EP0192952A1 (de) 1986-09-03

Family

ID=11320103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86100727A Withdrawn EP0192952A1 (de) 1985-01-25 1986-01-21 Verfahren zur Behandlung von Pulpen für die Herstellung von geleimten Papieren durch die Zugabe eines einzigen Leimungsmittels und geeignetes Leimungsmittel

Country Status (2)

Country Link
EP (1) EP0192952A1 (de)
IT (1) IT1188086B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0333368A2 (de) * 1988-03-18 1989-09-20 Eka Nobel Ab Verfahren für die Papierleimung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE897648C (de) * 1951-10-17 1953-11-23 Zschimmer & Schwarz Vormals Ch Verfahren zur Herstellung von Leimungsmitteln fuer Papiererzeugnisse und Faserplatten
GB2050453A (en) * 1979-05-23 1981-01-07 Tenneco Chem Chemical compositions useful in the manufacture of paper sizing agents

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE897648C (de) * 1951-10-17 1953-11-23 Zschimmer & Schwarz Vormals Ch Verfahren zur Herstellung von Leimungsmitteln fuer Papiererzeugnisse und Faserplatten
GB2050453A (en) * 1979-05-23 1981-01-07 Tenneco Chem Chemical compositions useful in the manufacture of paper sizing agents

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0333368A2 (de) * 1988-03-18 1989-09-20 Eka Nobel Ab Verfahren für die Papierleimung
EP0333368A3 (de) * 1988-03-18 1991-03-27 Eka Nobel Ab Verfahren für die Papierleimung

Also Published As

Publication number Publication date
IT1188086B (it) 1987-12-30
IT8583322A0 (it) 1985-01-25

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