Global Patent Index - EP 0192952 A1

EP 0192952 A1 19860903 - A method of preparing pulps for manufacturing sized papers by the addition of only one sizing agent and related sizing agent.

Title (en)

A method of preparing pulps for manufacturing sized papers by the addition of only one sizing agent and related sizing agent.

Title (de)

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

Title (fr)

Méthode pour préparer des pâtes pour la fabrication de papiers encollés par addition d'un agent d'encollage unique et agent d'encollage approprié.

Publication

EP 0192952 A1 19860903 (EN)

Application

EP 86100727 A 19860121

Priority

IT 8332285 A 19850125

Abstract (en)

A method for continuously producing sized papers, uses only one sizing compostion admixed to the paper pulp before feeding the paper machine, said sizing composition consisting of mixtures of aqueous solutions of aluminum sulfate and aqueous dispersions of gemma rosin and/or tall oil modified or not with maleic anhydride and/or fumaric acid with possible addition of cationic holdup agents.

IPC 1-7

D21H 3/00

IPC 8 full level

D21H 17/62 (2006.01); D21H 17/66 (2006.01)

CPC (source: EP)

D21H 17/62 (2013.01); D21H 17/66 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE FR GB LI LU NL SE

DOCDB simple family (publication)

EP 0192952 A1 19860903; IT 1188086 B 19871230; IT 8583322 A0 19850125

DOCDB simple family (application)

EP 86100727 A 19860121; IT 8332285 A 19850125