公开(公告)号：CA2459235A1

公开(公告)日：2003-03-13

申请号：CA2459235

申请日：2002-08-27

Applicant: BASF AG

Inventor： BLUM THIERRY ,  KAUB HANS-PETER ,  CHAMP SIMON ,  MECK DIETER ,  LINHART FRIEDRICH ,  WENDKER MARTIN ,  GEIGER STEFFEN

IPC: C08F8/00 ,  C08F220/60 ,  C08F226/00 ,  C08K5/00 ,  D21H19/56 ,  D21H21/30 ,  B41M5/00 ,  C08K5/42

Abstract: The invention relates to a method for producing recording materials. Accordi ng to the invention, mixtures A, containing i) at least one optical brightening agent, ii) at least one cationic polyelectrolyte, and iii) at least one solvent, are applied to the recording material.

公开(公告)号：CA2456934A1

公开(公告)日：2003-02-27

申请号：CA2456934

申请日：2002-08-07

Applicant: BASF AG

Inventor： BLUM THIERRY ,  LINHART FRIEDRICH ,  FRENZEL STEPHAN

IPC: D21H19/12 ,  D21H19/56 ,  D21H19/82 ,  D21H21/30 ,  D21H23/30 ,  D21H23/22 ,  D21H23/76

Abstract: The invention relates to a method for the production of a paper coated with a slip containing an optical brightener, whereby raw paper or pre-coated paper is treated with at least one substance which reinforces the efficacy of optical brighteners, before application of the slip containing the optical brightener.

公开(公告)号：CA2428356A1

公开(公告)日：2002-05-16

申请号：CA2428356

申请日：2001-11-02

Applicant: BASF AG

Inventor： ULLRICH HEINRICH ,  LINHART FRIEDRICH ,  DIRKS BERND ,  BLUM THIERRY ,  WENDKER MARTIN ,  FRENZEL STEFAN ,  MAHR NORBERT

IPC: D21H19/62 ,  D21H19/30 ,  D21H19/58 ,  D21H21/30

Abstract: The invention relates to paper coating slip containing polymers or copolymers as additives. Said polymers and copolymers have N-vinyl formamide polymerised therein. The invention also relates to the use of said paper coating slip.