SE441018B - WAY TO IMPROVE THE EFFECT OF OPTICAL WHITES IN THE PAPER INDUSTRY - Google Patents

WAY TO IMPROVE THE EFFECT OF OPTICAL WHITES IN THE PAPER INDUSTRY

Info

Publication number
SE441018B
SE441018B SE7707249A SE7707249A SE441018B SE 441018 B SE441018 B SE 441018B SE 7707249 A SE7707249 A SE 7707249A SE 7707249 A SE7707249 A SE 7707249A SE 441018 B SE441018 B SE 441018B
Authority
SE
Sweden
Prior art keywords
improve
way
effect
paper industry
whites
Prior art date
Application number
SE7707249A
Other languages
Swedish (sv)
Other versions
SE7707249L (en
Inventor
J Weigl
P Reuss
Original Assignee
Mobil Oil Corp
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 Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of SE7707249L publication Critical patent/SE7707249L/en
Publication of SE441018B publication Critical patent/SE441018B/en

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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/60—Optical bleaching or brightening
    • D06L4/664—Preparations of optical brighteners; Optical brighteners in aerosol form; Physical treatment of optical brighteners
    • 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
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
SE7707249A 1976-06-25 1977-06-22 WAY TO IMPROVE THE EFFECT OF OPTICAL WHITES IN THE PAPER INDUSTRY SE441018B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2628571A DE2628571C3 (en) 1976-06-25 1976-06-25 Process for improving the dry strength of paper and for improving the effect of optical brighteners in the paper industry

Publications (2)

Publication Number Publication Date
SE7707249L SE7707249L (en) 1977-12-26
SE441018B true SE441018B (en) 1985-09-02

Family

ID=5981430

Family Applications (2)

Application Number Title Priority Date Filing Date
SE7707249A SE441018B (en) 1976-06-25 1977-06-22 WAY TO IMPROVE THE EFFECT OF OPTICAL WHITES IN THE PAPER INDUSTRY
SE8204938A SE459860B (en) 1976-06-25 1982-08-30 PROCEDURE FOR TREATMENT OF STARCH BEFORE MAKING PAPER LAYERS ON PAPER

Family Applications After (1)

Application Number Title Priority Date Filing Date
SE8204938A SE459860B (en) 1976-06-25 1982-08-30 PROCEDURE FOR TREATMENT OF STARCH BEFORE MAKING PAPER LAYERS ON PAPER

Country Status (6)

Country Link
AT (1) AT369453B (en)
CS (1) CS203160B2 (en)
DE (1) DE2628571C3 (en)
FR (1) FR2355955A1 (en)
GB (1) GB1591322A (en)
SE (2) SE441018B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3316949C3 (en) * 1983-05-09 1995-03-23 Pluss Stauffer Ag calcium carbonate
NZ331438A (en) 1997-09-16 2000-01-28 Ciba Sc Holding Ag A method of increasing the whiteness of paper by using a formulation containing a swellale layered silicate and an optical brightener 4,4-bis-(triazinylamino)-stilbene-2,2-disulphonic acid
EP0905317B1 (en) 1997-09-16 2009-12-23 Basf Se A method for optically brightening paper
DE19923778A1 (en) * 1999-05-22 2000-11-23 Sued Chemie Ag Cationic modified whitener dispersion for the paper industry
DE10162052A1 (en) * 2001-12-17 2003-06-26 Basf Ag Production of paper or cardboard with enhanced whiteness involves treating the pulp with a mixture of linear, cationic polyelectrolyte and optical brightener
US7638016B2 (en) 2005-02-19 2009-12-29 International Paper Company Method for treating kraft pulp with optical brighteners after chlorine bleaching to increase brightness

Also Published As

Publication number Publication date
SE459860B (en) 1989-08-14
SE8204938D0 (en) 1982-08-30
ATA449677A (en) 1982-05-15
DE2628571B2 (en) 1980-05-29
DE2628571C3 (en) 1981-02-12
CS203160B2 (en) 1981-02-27
GB1591322A (en) 1981-06-17
DE2628571A1 (en) 1977-12-29
SE7707249L (en) 1977-12-26
AT369453B (en) 1983-01-10
SE8204938A (en) 1982-08-30
FR2355955B1 (en) 1982-04-23
FR2355955A1 (en) 1978-01-20

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