IT1290070B1 - Composizioni per la sbianca della carta - Google Patents

Composizioni per la sbianca della carta

Info

Publication number
IT1290070B1
IT1290070B1 IT97MI000565A ITMI970565A IT1290070B1 IT 1290070 B1 IT1290070 B1 IT 1290070B1 IT 97MI000565 A IT97MI000565 A IT 97MI000565A IT MI970565 A ITMI970565 A IT MI970565A IT 1290070 B1 IT1290070 B1 IT 1290070B1
Authority
IT
Italy
Prior art keywords
compositions
paper whitening
whitening
paper
Prior art date
Application number
IT97MI000565A
Other languages
English (en)
Italian (it)
Inventor
Christopher Lambert
Original Assignee
3V Sigma Spa
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 3V Sigma Spa filed Critical 3V Sigma Spa
Priority to IT97MI000565A priority Critical patent/IT1290070B1/it
Priority to EP98104260A priority patent/EP0866095A1/fr
Publication of ITMI970565A1 publication Critical patent/ITMI970565A1/it
Application granted granted Critical
Publication of IT1290070B1 publication Critical patent/IT1290070B1/it

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Cosmetics (AREA)
IT97MI000565A 1997-03-13 1997-03-13 Composizioni per la sbianca della carta IT1290070B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT97MI000565A IT1290070B1 (it) 1997-03-13 1997-03-13 Composizioni per la sbianca della carta
EP98104260A EP0866095A1 (fr) 1997-03-13 1998-03-10 Compositions pour le blanchiment de papier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97MI000565A IT1290070B1 (it) 1997-03-13 1997-03-13 Composizioni per la sbianca della carta

Publications (2)

Publication Number Publication Date
ITMI970565A1 ITMI970565A1 (it) 1998-09-13
IT1290070B1 true IT1290070B1 (it) 1998-10-19

Family

ID=11376412

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97MI000565A IT1290070B1 (it) 1997-03-13 1997-03-13 Composizioni per la sbianca della carta

Country Status (2)

Country Link
EP (1) EP0866095A1 (fr)
IT (1) IT1290070B1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234140A (en) * 1964-06-05 1966-02-08 Monsanto Co Stabilization of peroxy solutions
US4217425A (en) * 1978-11-06 1980-08-12 Nalco Chemical Company Paper fiber additive containing polyacrylamide blended with glyoxal and polymeric diallyldimethyl ammonium chloride as a cationic regulator
FR2557605B1 (fr) * 1983-12-29 1987-12-11 Atochem Procede de blanchiment de pates papetieres par le peroxyde d'hydrogene
CA2045362A1 (fr) * 1991-01-04 1992-07-05 Betzdearborn Inc. Procede de clarification de reserves d'eau
DE4131992A1 (de) * 1991-09-26 1993-04-01 Wella Ag Fixiermittel und verfahren zur dauerhaften haarverformung
CA2124102A1 (fr) * 1993-05-28 1994-11-29 David L. Elliott Lignine cellulosique modifiee et composition polymerique cationique; procede pour obtenir du papier ou du carton
FR2712313B1 (fr) * 1993-11-10 1995-12-15 Atochem Elf Sa Procédé de blanchiment d'une pâte à papier à haut rendement par le peroxyde d'hydrogène.

Also Published As

Publication number Publication date
ITMI970565A1 (it) 1998-09-13
EP0866095A1 (fr) 1998-09-23

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Legal Events

Date Code Title Description
0001 Granted