CA2832776C - Agent de blanchiment fluorescent 71 utilise pour le procede de fabrication de papier - Google Patents

Agent de blanchiment fluorescent 71 utilise pour le procede de fabrication de papier Download PDF

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Publication number
CA2832776C
CA2832776C CA2832776A CA2832776A CA2832776C CA 2832776 C CA2832776 C CA 2832776C CA 2832776 A CA2832776 A CA 2832776A CA 2832776 A CA2832776 A CA 2832776A CA 2832776 C CA2832776 C CA 2832776C
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Canada
Prior art keywords
brightness
paper
fwa
oba
papermaking process
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CA2832776A
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English (en)
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CA2832776A1 (fr
Inventor
Meng Jun Li
Eric Ji Wei Li
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Individual
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Individual
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Priority to CA2832776A priority Critical patent/CA2832776C/fr
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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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/07—Nitrogen-containing compounds

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  • Paper (AREA)

Abstract

Lagent de blanchiment fluorescent n° 71 à sel disodique 4,4'-bis[4-anilino-6-morpholino-1,3,5- triazin-2-yl] amino-2,2'-stilbène (CAS n° 16090-02-1) est utilisé dans la partie humide du procédé de fabrication de papier et le procédé papetier denduction pour augmenter la blancheur du papier.
CA2832776A 2013-11-13 2013-11-13 Agent de blanchiment fluorescent 71 utilise pour le procede de fabrication de papier Active CA2832776C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2832776A CA2832776C (fr) 2013-11-13 2013-11-13 Agent de blanchiment fluorescent 71 utilise pour le procede de fabrication de papier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2832776A CA2832776C (fr) 2013-11-13 2013-11-13 Agent de blanchiment fluorescent 71 utilise pour le procede de fabrication de papier

Publications (2)

Publication Number Publication Date
CA2832776A1 CA2832776A1 (fr) 2015-05-13
CA2832776C true CA2832776C (fr) 2017-04-04

Family

ID=53178057

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2832776A Active CA2832776C (fr) 2013-11-13 2013-11-13 Agent de blanchiment fluorescent 71 utilise pour le procede de fabrication de papier

Country Status (1)

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CA (1) CA2832776C (fr)

Also Published As

Publication number Publication date
CA2832776A1 (fr) 2015-05-13

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