ES2190594T3 - Composicion para blanquear pasta mecanica. - Google Patents

Composicion para blanquear pasta mecanica.

Info

Publication number
ES2190594T3
ES2190594T3 ES98932163T ES98932163T ES2190594T3 ES 2190594 T3 ES2190594 T3 ES 2190594T3 ES 98932163 T ES98932163 T ES 98932163T ES 98932163 T ES98932163 T ES 98932163T ES 2190594 T3 ES2190594 T3 ES 2190594T3
Authority
ES
Spain
Prior art keywords
composition
bleaching
mechanics
caseine
woodpulp
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.)
Expired - Lifetime
Application number
ES98932163T
Other languages
English (en)
Inventor
Donato Fausto De
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
Application granted granted Critical
Publication of ES2190594T3 publication Critical patent/ES2190594T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L89/00—Compositions of proteins; Compositions of derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L89/00—Compositions of proteins; Compositions of derivatives thereof
    • C08L89/005—Casein
    • 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
    • D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases
    • 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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/22—Proteins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Detergent Compositions (AREA)

Abstract

Uso de una composición que comprende un agente blanqueador óptico o una mezcla de agentes blanqueadores ópticos y otro ingrediente aditivo seleccionado entre el grupo consistente en caseína, derivados de caseína, proteínas de soja y mezclas de ellos para blanquear pasta de madera mecánica, seleccionándose la pasta de madera mecánica entre el grupo consistente en SGW (Stone Ground Wood madera desfibrada con piedra), RMP (Refiner Mechanical Pulp - pasta mecánica de refinador), TMP (ThermoMechanical Pulp - pasta termomecánica), PGW (Pressure Ground Wood - madera desfibrada por presión), TGW (ThermoGrinding Wood - madera desfibrada por tratamiento térmico), CTMP (ChemoThermoMechanical Pulp -pasta química-térmica-mecánica), CMP (ChemoMechanical Pulp - pasta química-mecánica).
ES98932163T 1997-12-10 1998-06-10 Composicion para blanquear pasta mecanica. Expired - Lifetime ES2190594T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97MI002729A IT1296947B1 (it) 1997-12-10 1997-12-10 Composizione per sbiancare la pasta di legno e relativo procedimento

Publications (1)

Publication Number Publication Date
ES2190594T3 true ES2190594T3 (es) 2003-08-01

Family

ID=11378342

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98932163T Expired - Lifetime ES2190594T3 (es) 1997-12-10 1998-06-10 Composicion para blanquear pasta mecanica.

Country Status (8)

Country Link
EP (1) EP1047729B1 (es)
AT (1) ATE230777T1 (es)
AU (1) AU8216198A (es)
DE (1) DE69810663T2 (es)
DK (1) DK1047729T3 (es)
ES (1) ES2190594T3 (es)
IT (1) IT1296947B1 (es)
WO (1) WO1999029779A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20030801A1 (it) * 2003-04-17 2004-10-18 Donato Fausto De Impiego di una composizione per sbiancare macero da carta e cartone.
US7967948B2 (en) 2006-06-02 2011-06-28 International Paper Company Process for non-chlorine oxidative bleaching of mechanical pulp in the presence of optical brightening agents

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE626416A (es) * 1961-12-23
GB1008457A (en) * 1963-04-12 1965-10-27 Gen Aniline & Film Corp Improvements in or relating to stilbene-cyanuric compounds
DE3661641D1 (en) * 1985-02-15 1989-02-09 Kamyr Ab Multi peroxide stage mechanical pulp bleaching
DE3737553C2 (de) * 1987-11-05 1995-03-16 Goeppinger Kaliko Gmbh Folien-Haftspiel
DE4202703A1 (de) * 1992-01-31 1993-08-05 Bayer Ag Alkoxylierungsprodukte ungesaettigter fettsaeureester als porosierungsmittel und mittel zur volumenerhoehung bei papieren und papieraehnlichen materialien

Also Published As

Publication number Publication date
ITMI972729A1 (it) 1999-06-10
EP1047729A1 (en) 2000-11-02
IT1296947B1 (it) 1999-08-03
DE69810663T2 (de) 2005-02-10
DE69810663D1 (de) 2003-02-13
DK1047729T3 (da) 2003-04-22
EP1047729B1 (en) 2003-01-08
WO1999029779A1 (en) 1999-06-17
ATE230777T1 (de) 2003-01-15
AU8216198A (en) 1999-06-28

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