CA2832775C - Nouvelle composition d'agents de blanchiment fluorescents utilisee pour le procede de fabrication de papier - Google Patents

Nouvelle composition d'agents de blanchiment fluorescents utilisee pour le procede de fabrication de papier Download PDF

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Publication number
CA2832775C
CA2832775C CA2832775A CA2832775A CA2832775C CA 2832775 C CA2832775 C CA 2832775C CA 2832775 A CA2832775 A CA 2832775A CA 2832775 A CA2832775 A CA 2832775A CA 2832775 C CA2832775 C CA 2832775C
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Prior art keywords
fwa
brightness
paper
oba
papermaking process
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CA2832775A
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English (en)
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CA2832775A1 (fr
Inventor
Meng Jun Li
Eric Ji Wei Li
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Priority to CA2832775A priority Critical patent/CA2832775C/fr
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Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03Non-macromolecular organic compounds
    • D21H17/05Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/07Nitrogen-containing compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03Non-macromolecular organic compounds
    • D21H17/05Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/09Sulfur-containing compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H21/00Non-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
    • D21H21/14Non-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
    • D21H21/30Luminescent or fluorescent substances, e.g. for optical bleaching

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  • Paper (AREA)

Abstract

Une nouvelle formulation dagent de blanchiment fluorescent contenant de 0,1 % à 99,9 % dun sel disodique 4,4'-bis(2-sulfostyryl)biphényle (CAS n° 27344-41-8) dagent de blanchiment fluorescent n° 351et de 0,1 % à 99,9 % dun sel disodique 4,4'-bis[4-anilino-6-morpholino- 1,3,5-triazin-2-yl] amino-2,2'-stilbène (CAS n° 16090-02-1) dagent de blanchiment fluorescent n° 71 est utilisée dans la partie humide du procédé de fabrication de papier et le procédé papetier denduction pour augmenter la blancheur du papier.
CA2832775A 2013-11-13 2013-11-13 Nouvelle composition d'agents de blanchiment fluorescents utilisee pour le procede de fabrication de papier Active CA2832775C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2832775A CA2832775C (fr) 2013-11-13 2013-11-13 Nouvelle composition d'agents de blanchiment fluorescents utilisee pour le procede de fabrication de papier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2832775A CA2832775C (fr) 2013-11-13 2013-11-13 Nouvelle composition d'agents de blanchiment fluorescents utilisee pour le procede de fabrication de papier

Publications (2)

Publication Number Publication Date
CA2832775A1 CA2832775A1 (fr) 2015-05-13
CA2832775C true CA2832775C (fr) 2017-01-17

Family

ID=53178056

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2832775A Active CA2832775C (fr) 2013-11-13 2013-11-13 Nouvelle composition d'agents de blanchiment fluorescents utilisee pour le procede de fabrication de papier

Country Status (1)

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CA (1) CA2832775C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105238099B (zh) * 2015-10-12 2017-07-07 山西青山化工有限公司 一种增白皂用液体荧光增白剂及其制备方法
RU2727605C1 (ru) * 2016-04-05 2020-07-22 Фиберлин Текнолоджис Лимитед Бумажные и картонные продукты
US11846072B2 (en) 2016-04-05 2023-12-19 Fiberlean Technologies Limited Process of making paper and paperboard products

Also Published As

Publication number Publication date
CA2832775A1 (fr) 2015-05-13

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Effective date: 20150612