RU2010123476A - FLUORESCENT METHOD FOR TRACKING SURFACE ADDITIVES IN PAPER PROCESS - Google Patents

FLUORESCENT METHOD FOR TRACKING SURFACE ADDITIVES IN PAPER PROCESS Download PDF

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RU2010123476A
RU2010123476A RU2010123476/28A RU2010123476A RU2010123476A RU 2010123476 A RU2010123476 A RU 2010123476A RU 2010123476/28 A RU2010123476/28 A RU 2010123476/28A RU 2010123476 A RU2010123476 A RU 2010123476A RU 2010123476 A RU2010123476 A RU 2010123476A
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surface additives
fluorescence
coating
web
measured
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RU2487339C2 (en
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Джеймс Л. ТОМАС (US)
Джеймс Л. ТОМАС
Оливье КЛОТ (US)
Оливье КЛОТ
Родни Г. БЭНКС (US)
Родни Г. БЭНКС
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Налко Компани (Us)
Налко Компани
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N21/643—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" non-biological material
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/78—Controlling or regulating not limited to any particular process or apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/8422—Investigating thin films, e.g. matrix isolation method
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/86—Investigating moving sheets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/346—Paper sheets
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/54—Starch
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N2021/6484—Optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N2021/8411—Application to online plant, process monitoring
    • G01N2021/8416—Application to online plant, process monitoring and process controlling, not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/8422—Investigating thin films, e.g. matrix isolation method
    • G01N2021/8427—Coatings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
    • G01N2021/8917—Paper, also ondulated
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/91—Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink

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  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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  • Medicinal Chemistry (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
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Abstract

1. Способ отслеживания и возможного регулирования добавления одной или более поверхностных добавок в бумагоделательный процесс, включающий стадии: ! а) добавления известного количества одной или более поверхностных добавок в бумагоделательный процесс либо отдельно, либо в известной пропорции с известным количеством одного или более инертных флуоресцентных маркеров, при этом поверхностные добавки могут быть добавлены отдельно только в том случае, когда эти поверхностные добавки обладают способностью к флуоресценции; ! б) измерения флуоресцентности поверхностных добавок и/или одного или более инертных флуоресцентных маркеров в точке после добавления поверхностных добавок и после формирования полотна, при этом поверхностные добавки можно измерять только в том случае, когда они обладают способностью к флуоресценции, и при этом флуоресценцию измеряют с помощью флуорометра отражательного типа; ! в) установление корреляции между величиной флуоресценции поверхностных добавок, когда они обладают способностью к флуоресценции, и/или инертных флуоресцентных маркеров на полотне и концентрацией поверхностных добавок в покрытии на полотне и/или толщиной покрытия на полотне; и ! г) возможно, регулирования добавления одной или более поверхностных добавок в бумагоделательный процесс путем регулирования количества поверхностных добавок, добавленных в бумагоделательный процесс, в соответствии с толщиной покрытия на полотне и/или концентрацией поверхностных добавок в покрытии на полотне. ! 2. Способ по п.1, в котором полотно представляет собой бумажное полотно или картонное полотно. ! 3. Способ по п.1, в котором пов� 1. A method for tracking and possibly regulating the addition of one or more surface additives to a papermaking process, comprising the steps of:! a) adding a known amount of one or more surface additives to the papermaking process, either separately or in a known proportion, with a known amount of one or more inert fluorescent markers, while surface additives can be added separately only when these surface additives are capable of fluorescence; ! b) measuring the fluorescence of surface additives and / or one or more inert fluorescent markers at a point after adding surface additives and after the formation of the web, while surface additives can only be measured when they are capable of fluorescence, and fluorescence is measured with using a fluorometer of a reflective type; ! c) establishing a correlation between the fluorescence value of surface additives, when they have the ability to fluorescence, and / or inert fluorescent markers on the canvas and the concentration of surface additives in the coating on the canvas and / or coating thickness on the canvas; and! d) it is possible to control the addition of one or more surface additives to the paper process by adjusting the amount of surface additives added to the paper process according to the thickness of the coating on the web and / or the concentration of surface additives in the coating on the web. ! 2. The method according to claim 1, wherein the web is a paper web or a cardboard web. ! 3. The method according to claim 1, in which

Claims (18)

1. Способ отслеживания и возможного регулирования добавления одной или более поверхностных добавок в бумагоделательный процесс, включающий стадии:1. A method for tracking and possibly regulating the addition of one or more surface additives to a papermaking process, comprising the steps of: а) добавления известного количества одной или более поверхностных добавок в бумагоделательный процесс либо отдельно, либо в известной пропорции с известным количеством одного или более инертных флуоресцентных маркеров, при этом поверхностные добавки могут быть добавлены отдельно только в том случае, когда эти поверхностные добавки обладают способностью к флуоресценции;a) adding a known amount of one or more surface additives to the papermaking process, either separately or in a known proportion, with a known amount of one or more inert fluorescent markers, while surface additives can be added separately only when these surface additives are capable of fluorescence; б) измерения флуоресцентности поверхностных добавок и/или одного или более инертных флуоресцентных маркеров в точке после добавления поверхностных добавок и после формирования полотна, при этом поверхностные добавки можно измерять только в том случае, когда они обладают способностью к флуоресценции, и при этом флуоресценцию измеряют с помощью флуорометра отражательного типа;b) measuring the fluorescence of surface additives and / or one or more inert fluorescent markers at a point after adding surface additives and after the formation of the web, while surface additives can only be measured when they are capable of fluorescence, and fluorescence is measured with using a fluorometer of a reflective type; в) установление корреляции между величиной флуоресценции поверхностных добавок, когда они обладают способностью к флуоресценции, и/или инертных флуоресцентных маркеров на полотне и концентрацией поверхностных добавок в покрытии на полотне и/или толщиной покрытия на полотне; иc) establishing a correlation between the fluorescence value of surface additives, when they have the ability to fluorescence, and / or inert fluorescent markers on the canvas and the concentration of surface additives in the coating on the canvas and / or coating thickness on the canvas; and г) возможно, регулирования добавления одной или более поверхностных добавок в бумагоделательный процесс путем регулирования количества поверхностных добавок, добавленных в бумагоделательный процесс, в соответствии с толщиной покрытия на полотне и/или концентрацией поверхностных добавок в покрытии на полотне.d) it is possible to control the addition of one or more surface additives to the paper process by adjusting the amount of surface additives added to the paper process according to the thickness of the coating on the web and / or the concentration of surface additives in the coating on the web. 2. Способ по п.1, в котором полотно представляет собой бумажное полотно или картонное полотно.2. The method according to claim 1, wherein the web is a paper web or a cardboard web. 3. Способ по п.1, в котором поверхностные добавки выбирают из группы, включающей по меньшей мере одно из следующих веществ: крахмал, пигменты, связующие, пластификаторы и прочие добавки для улучшения физических свойств бумажного/картонного полотна, включая поверхностную прочность, белизну, печатные свойства, влагонепроницаемость, адгезию по отношению к последующим покрытиям.3. The method according to claim 1, in which the surface additives are selected from the group comprising at least one of the following substances: starch, pigments, binders, plasticizers and other additives to improve the physical properties of the paper / cardboard sheet, including surface strength, whiteness, printing properties, moisture resistance, adhesion to subsequent coatings. 4. Способ по п.1, в котором одна или более поверхностных добавок содержит ковалентно связанную флуоресцентную группировку.4. The method according to claim 1, in which one or more surface additives contains a covalently linked fluorescent moiety. 5. Способ по п.3, в котором крахмал содержит ковалентно связанную флуоресцентную группировку.5. The method according to claim 3, in which the starch contains a covalently linked fluorescent moiety. 6. Способ по п.1, в котором инертные флуоресцентные маркеры выбирают из группы, включающей по меньшей мере одно из следующих веществ: флуоресцеин или производные флуоресцеина, родамин или производные родамина, сульфонатную соль нафталина, сульфонатную соль пирена, сульфонатную соль стильбена, сульфонатную соль бифенила, фенелаланин, триптофан, тирозин, витамин A (ретинол), витамин B2 (рибофлавин), витамин B6 (пиридоксин), витамин E (α-токоферолы), никотинамид-адениндинуклеотид в Н-форме (NADH), аденозинтрифосфат, этоксихин, кофеин, ванилин, конденсат нафталинсульфонат-формальдегида, конденсат фенилсульфонат-формальдегида, сульфированный лигнин, полимер, содержащий по меньшей мере одну из следующих группировок - нафталинсульфонаты, пиренсульфонаты, бифенилсульфонаты или стильбенсульфонаты.6. The method according to claim 1, in which the inert fluorescent markers are selected from the group comprising at least one of the following substances: fluorescein or derivatives of fluorescein, rhodamine or derivatives of rhodamine, sulfonate salt of naphthalene, sulfonate salt of pyrene, sulfonate salt of stilbene, sulfonate salt biphenyl, phenelalanine, tryptophan, tyrosine, vitamin A (retinol), vitamin B2 (riboflavin), vitamin B6 (pyridoxine), vitamin E (α-tocopherols), nicotinamide adenine dinucleotide in the N-form (NADH), adenosine triphosphate, coffee ethene , vanillin, condensation naphthalene sulfonate-formaldehyde condensate phenylsulphonate-formaldehyde, sulfonated lignin, a polymer containing at least one of the following groups - naphthalenesulfonates, pirensulfonaty, bifenilsulfonaty or stilbensulfonaty. 7. Способ по п.1, в котором поверхностные добавки добавляют между формующей частью бумагоделательного процесса и прессовой частью бумагоделательного процесса или в указанных частях.7. The method according to claim 1, in which surface additives are added between the forming part of the paper process and the press part of the paper process or in these parts. 8. Способ по п.1, в котором поверхностные добавки добавляют в мокрой части бумагоделательного процесса.8. The method according to claim 1, in which the surface additives are added to the wet part of the paper process. 9. Способ по п.1, в котором поверхностные добавки добавляют в бумагоделательном процессе между водяной камерой и полотном или на этих участках.9. The method according to claim 1, in which surface additives are added in the papermaking process between the water chamber and the web or in these areas. 10. Способ по п.1, в котором флуоресцентность измеряют в некоторой точке после прессовой части.10. The method according to claim 1, in which the fluorescence is measured at some point after the press part. 11. Способ по п.1, в котором флуоресцентность измеряют после сушильной части бумагоделательного процесса.11. The method according to claim 1, in which the fluorescence is measured after the drying part of the papermaking process. 12. Способ по п.1, в котором флуоресцентность измеряют после сушильной линии в формующей части.12. The method according to claim 1, in which the fluorescence is measured after the drying line in the forming part. 13. Способ по п.1, в котором флуоресцентность измеряют вблизи прессовой части.13. The method according to claim 1, in which the fluorescence is measured near the press part. 14. Способ по п.5, в котором флуоресцентность крахмала и/или инертных флуоресцентных маркеров, добавленных в известной пропорции с указанным крахмалом, измеряют после сушильной части и до меловальной части в бумагоделательном процессе.14. The method according to claim 5, in which the fluorescence of starch and / or inert fluorescent markers, added in a known proportion with the specified starch, is measured after the drying part and to the coating part in a paper making process. 15. Способ по п.1, в котором поверхностные добавки и/или инертные флуоресцентные маркеры, добавленные в известной пропорции с указанными поверхностными добавками, исключая крахмал, измеряют после меловальной части бумагоделательного процесса.15. The method according to claim 1, in which surface additives and / or inert fluorescent markers added in a known proportion to these surface additives, excluding starch, are measured after the coating part of the paper-making process. 16. Способ по п.1, в котором флуоресценцию измеряют в одной точке или во множестве точек.16. The method according to claim 1, in which fluorescence is measured at one point or at multiple points. 17. Способ по п.16, в котором измерение множества точек происходит путем сканирования флуорометра в поперечном направлении относительно направления указанного полотна в указанном бумагоделательном процессе.17. The method according to clause 16, in which the measurement of many points occurs by scanning the fluorometer in the transverse direction relative to the direction of the specified fabric in the specified papermaking process. 18. Способ по п.1, в котором один или более контроллеров связаны с флуорометром и запрограммированы с алгоритмом для сбора указанных измерений флуоресценции, установления корреляции между величиной флуоресценции поверхностных добавок и/или инертных флуоресцентных маркеров на полотне и концентрацией поверхностных добавок в покрытии на полотне и/или толщиной покрытия на полотне; и, возможно, регулирования количества поверхностных добавок, добавляемых в бумагоделательный процесс, регулирования рабочих параметров бумагоделательной машины, регулирования настроек клеильной машины пудлингового или дозирующего типа или их сочетания в соответствии с толщиной покрытия на полотне и/или концентрацией поверхностных добавок в покрытии на полотне согласно заданному протоколу. 18. The method according to claim 1, in which one or more controllers are associated with a fluorometer and programmed with an algorithm for collecting these fluorescence measurements, establishing a correlation between the fluorescence value of surface additives and / or inert fluorescent markers on the fabric and the concentration of surface additives in the coating on the fabric and / or the thickness of the coating on the canvas; and possibly regulating the amount of surface additives added to the papermaking process, adjusting the operating parameters of the papermaking machine, adjusting the settings of the pudding or dosing type gluing machine, or combining them in accordance with the thickness of the coating on the fabric and / or the concentration of surface additives in the coating on the fabric according to a predetermined protocol.
RU2010123476/04A 2007-11-19 2008-11-14 Fluorescent method of tracking of surface additives in papermaking process RU2487339C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/942,065 US20090126889A1 (en) 2007-11-19 2007-11-19 Fluorometric method for monitoring surface additives in a papermaking process
US11/942,065 2007-11-19
PCT/US2008/083472 WO2009067382A1 (en) 2007-11-19 2008-11-14 Fluorometric method for monitoring surface additives in a papermaking process

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CL2008003429A1 (en) 2009-01-16
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AU2008326632A1 (en) 2009-05-28
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CA2705293A1 (en) 2009-05-28
MX2010005501A (en) 2010-08-03
CA2705293C (en) 2017-07-18
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CN101861514B (en) 2013-08-28

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