WO2017128201A1 - Composition d'agent de blanchiment fluorescent - Google Patents

Composition d'agent de blanchiment fluorescent Download PDF

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Publication number
WO2017128201A1
WO2017128201A1 PCT/CN2016/072555 CN2016072555W WO2017128201A1 WO 2017128201 A1 WO2017128201 A1 WO 2017128201A1 CN 2016072555 W CN2016072555 W CN 2016072555W WO 2017128201 A1 WO2017128201 A1 WO 2017128201A1
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WO
WIPO (PCT)
Prior art keywords
optical brightener
paper
chemical formula
whitening agent
fluorescent whitening
Prior art date
Application number
PCT/CN2016/072555
Other languages
English (en)
Chinese (zh)
Inventor
黄钰林
纳尔逊⋅兰德尔
李增澎
叶志文
Original Assignee
德丰铭国际股份有限公司
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 德丰铭国际股份有限公司 filed Critical 德丰铭国际股份有限公司
Priority to PCT/CN2016/072555 priority Critical patent/WO2017128201A1/fr
Publication of WO2017128201A1 publication Critical patent/WO2017128201A1/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
    • 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
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/01—Sulfonic acids
    • C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C309/33—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton of six-membered aromatic rings being part of condensed ring systems
    • C07C309/34—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton of six-membered aromatic rings being part of condensed ring systems formed by two rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links

Definitions

  • the present invention relates to an optical brightener, and more particularly to an optical brightener composition for papermaking and a method of using the same.
  • Optical Brightening Agents In the papermaking field, adding an appropriate amount of Optical Brightening Agents (OBA) to the pulp to increase the whiteness of the paper or paperboard produced by utilizing the optical effect of the fluorescent whitening agent is an indispensable step.
  • Fluorescent whitening agents of stilbene triazines widely used in the papermaking industry are classified into disulfide, tetrasulfon and hexasulfonate according to the number of sulfonates in their chemical structures.
  • the whitening degree is generally limited, and the disadvantage of the whitening efficiency of the fluorescent whitening agent cannot be fully exerted.
  • the invention provides a fluorescent whitening agent composition, which is composed of a fluorescent whitening agent, a dispersing agent and water, wherein the fluorescent whitening agent is a stilbene triazine compound and the dispersing agent is sodium methylene dinaphthyl sulfonate.
  • the fluorescent whitening agent is a stilbene triazine compound and the dispersing agent is sodium methylene dinaphthyl sulfonate.
  • the stilbene triazine compound is a compound represented by the formula (1):
  • the sodium methylene dinaphthalene sulfonate compound is one selected from the group consisting of a compound represented by the chemical formula (2), the chemical formula (3) or the chemical formula (4):
  • R 1 is selected from one of the chemical formula (5), the chemical formula (6), and the chemical formula (7):
  • R 2 is selected from one of the chemical formula (8), the chemical formula (9), and the chemical formula (10):
  • R 1 of the stilbene triazine compound is substituted by the chemical formula (5), it is a disulfodistilbene triazine; when the R 1 of the stilbene triazine compound is substituted by the chemical formula (6), it is a tetrasulfonate.
  • the optical brightener composition comprises, by weight percent, from 20 to 40% of the optical brightener, from 5 to 25% of the dispersant, and from 35 to 75% of the water.
  • the optical brightener composition comprises, by weight percent, from 15 to 40% of the optical brightener, from 2 to 25% of the dispersant, and from 35 to 83% of the water.
  • the fluorescent whitening agent composition of the invention when prepared, uniformly mixes water and the fluorescent whitening agent of the stilbene triazine compound in proportion, or directly adopts the fluorescent whitening of the stilbene triazine compound
  • the concentrated solution of the agent is added with stirring while adding the dispersing agent. After the addition is completed, the stirring is continued until the mixing is uniform, and the concentration is adjusted with water to obtain the fluorescent whitening agent composition of the present invention.
  • the present invention provides the use of an optical brightener composition for use as an optical brightening whitening agent for paper or paperboard.
  • an optical whitening whitening agent is used as the surface of the paper or the surface of the paperboard.
  • the method of application is as follows: coating directly on the surface of paper or paperboard, or adding and pressing during the sizing process.
  • the optical brightener composition is used in a pulp suspension, a pulp suspension slurry or pulp.
  • the optical brightener composition is used in wood-free pulp or wood-containing pulp.
  • the present invention provides a method for using a fluorescent whitening agent composition for whitening of paper, wherein the fluorescent substance of the present invention is added to a combination of any one or more of a pulp suspension, a pulp suspension slurry or a pulp.
  • a whitener composition making paper or paperboard, and drying the paper or paperboard.
  • the method of adding is: after the fluorescent whitening agent composition is diluted with water, added to either or both of the pulp suspension, the pulp suspension slurry or the pulp. In the combination.
  • the method of diluting is: diluting the optical brightener composition with water to 0.1% by weight.
  • the present invention also provides paper or paperboard produced by the method for whitening of paper.
  • the present invention has the following beneficial effects:
  • the fluorescent whitening agent composition of the invention breaks through the limitation of the existing Baidu by using a stilbene triazine compound as a fluorescent whitening agent and a sodium methylene dinaphthalene sulfonate compound as a dispersing agent. It effectively improves the whitening efficiency of the composition and is suitable for industrial production of paper or paperboard to improve the quality of paper or paperboard.
  • 1 is a schematic view showing the comparison of whiteness of an embodiment of the fluorescent whitening agent composition of the present invention
  • FIG. 2 is a schematic view showing the comparison of the whiteness of an embodiment of the fluorescent whitening agent composition of the present invention
  • 3 is a schematic view showing the comparison of whiteness of another embodiment of the fluorescent whitening agent composition of the present invention.
  • FIG. 4 is a schematic view showing the comparison of whiteness of another embodiment of the fluorescent whitening agent composition of the present invention.
  • Figure 5 is a schematic view showing the comparison of whiteness of still another embodiment of the fluorescent whitening agent composition of the present invention.
  • Fig. 6 is a schematic view showing the comparison of whiteness of still another embodiment of the fluorescent whitening agent composition of the present invention.
  • the present embodiment provides a fluorescent whitening agent composition, which is composed of a fluorescent whitening agent, a dispersing agent and water, wherein the fluorescent whitening agent is a stilbene triazine compound and the dispersing agent is sodium methylene dinaphthyl sulfate.
  • the fluorescent whitening agent is a stilbene triazine compound and the dispersing agent is sodium methylene dinaphthyl sulfate.
  • the stilbene triazine compound is disulfonated stilbene triazine, tetrasulfodistixotriazine or hexasulfonated triazine;
  • the sodium methylene dinaphthalene sulfonate compound is selected from the chemical formula (2)
  • the concentration of the optical brightener composition is adjusted by weight percent, wherein the optical brightener comprises 22% by weight of the total, the dispersant is 5%, 10% or 15% by weight of the total, with the balance being water.
  • the water and the fluorinated whitening agent of the stilbene triazine compound are uniformly mixed, or the concentrated solution of the fluorescent whitening agent of the stilbene triazine compound is directly taken, and the dispersing agent is added while stirring, and the addition is completed. Stirring is continued after mixing until the mixing is uniform to complete the preparation of the optical brightener composition of the present invention.
  • the fluorescent whitening agent of the stilbene triazine compound is one of disulfodistilbene triazine, tetrasulfodistilbene triazine or hexasulfonyl triazine.
  • the fluorescent whitening agent composition in which no dispersing agent is added is used as the control group 1, that is, tetrasulfodistilbene triazine, which is a stilbene triazine compound of the formula (1).
  • the R 1 substituent is a chemical formula (6)
  • the R 2 substituent is a chemical formula (9); and the fluorescent whitening agent composition according to the present invention using tetrasulfodistirene triazine as a fluorescent whitening agent 5%, 10%, and 15% of the total weight percentage were set as the combination 1, the combination 2, and the combination 3, respectively, and the control group 1, the combination 1, the combination 2, and the combination 3 were respectively diluted with water to a weight percentage of 0.5%, 1 After % and 1.5%, respectively, they were added to the pulp suspension slurry, copied into paper, and tested for whiteness GE and whiteness CIE (Commission internationale del'éclairage). The comparison results are shown in Table 1 and Figure 1. 2, wherein the dispersing agent is a sodium methylene dinaphthalenesulfonate compound of the formula (2).
  • the dispersing agent is a sodium methylene dinaphthalenesulfonate compound of the formula (2).
  • the combination of the fluorescent whitening agent composition of the present invention 1, the combination 2 and the combination 3 have a whiteness GE and a whiteness CIE effect under the conditions of 5%, 10%, and 15%. It is clearly superior to the tetrasulphonate triazine of group 1.
  • the optical brightener composition in which no dispersing agent is added is used as the control group 2, that is, hexa-succinixene triazine, which is a stilbene triazine compound of the formula (1).
  • the R 1 substituent is a chemical formula (7)
  • the R 2 substituent is a chemical formula (10)
  • the optical brightener composition of the present invention containing hexasulfonated stilbene triazine as an optical brightener is added according to a dispersing agent 5%, 10%, and 15% of the total weight percentage were set as combination 4, combination 5, and combination 6, respectively, and control group 2, combination 4, combination 5, and combination 6 were respectively diluted with water to 0.5% by weight, 1% by weight.
  • the dispersing agent is a sodium methylene dinaphthalenesulfonate compound of the formula (3).
  • the combination of the fluorescent brightener composition of the present invention 4, the combination 5 and the combination 6 have a whiteness GE and a whiteness CIE under the conditions of 5%, 10%, and 15%. Significantly better than the hexasulfodistilbene triazine of group 2.
  • the optical brightener composition in which no dispersing agent is added is used as the control group 3, that is, stilbene stilbene triazine, which is a stilbene triazine compound of the formula (1).
  • the R 1 substituent is a chemical formula (5)
  • the R 2 substituent is a chemical formula (8) or a chemical formula (9);
  • the fluorescent whitening agent combination of the invention using disulfadiene stilbene triazine as an optical brightener Adding 5%, 10%, and 15% of the total dispersant to the total weight percentage is set as the combination 7, the combination 8 and the combination 9, respectively, and the control group 3, the combination 7, the combination 8 and the combination 9 are respectively diluted with water to a weight percentage.
  • the dispersant is a sodium methylene dinaphthalenesulfonate compound of the formula (4).
  • the combination of the optical brightener composition of the present invention 4, the combination 5 and the combination 6 have a whiteness GE and a whiteness CIE under the conditions of 5%, 10%, and 15%. It is clearly superior to the disulfodistilbene triazine of Group 3.

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Abstract

La présente invention concerne une composition d'agent de blanchiment fluorescent. La composition d'agent de blanchiment fluorescent comporte de l'eau, un composé de stilbène-triazine tel que représenté par la formule (I), et un composé de méthylènebisnaphthalènesulphonate sodique. Concernant la composition d'agent de blanchiment fluorescent, en utilisant un composé de stilbène-triazine comme agent de blanchiment fluorescent conjointement avec un composé de méthylènebisnaphthalènesulphonate sodique comme agent de dispersion, les limitations du degré de blanchiment existant sont brisées, et l'efficacité de blanchiment de la composition est améliorée efficacement. La composition est appropriée pour la production industrielle de papier ou carton, et améliore la qualité du papier ou carton. Dans [formule 1], les définitions de R1 et R2 sont telles que dans la revendication 1.
PCT/CN2016/072555 2016-01-28 2016-01-28 Composition d'agent de blanchiment fluorescent WO2017128201A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/072555 WO2017128201A1 (fr) 2016-01-28 2016-01-28 Composition d'agent de blanchiment fluorescent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/072555 WO2017128201A1 (fr) 2016-01-28 2016-01-28 Composition d'agent de blanchiment fluorescent

Publications (1)

Publication Number Publication Date
WO2017128201A1 true WO2017128201A1 (fr) 2017-08-03

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PCT/CN2016/072555 WO2017128201A1 (fr) 2016-01-28 2016-01-28 Composition d'agent de blanchiment fluorescent

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WO (1) WO2017128201A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1203914A (zh) * 1997-05-23 1999-01-06 希巴特殊化学控股公司 三嗪基氨基均二苯代乙烯化合物
CN1251581A (zh) * 1997-03-25 2000-04-26 西巴特殊化学品控股有限公司 荧光增白剂
CN1298903A (zh) * 1999-12-03 2001-06-13 杭州华洋化工有限公司 一种粉状荧光增白剂组合物
CN1589352A (zh) * 2001-11-21 2005-03-02 克莱里安特财务(Bvi)有限公司 涉及荧光增白剂的改进

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1251581A (zh) * 1997-03-25 2000-04-26 西巴特殊化学品控股有限公司 荧光增白剂
CN1203914A (zh) * 1997-05-23 1999-01-06 希巴特殊化学控股公司 三嗪基氨基均二苯代乙烯化合物
CN1298903A (zh) * 1999-12-03 2001-06-13 杭州华洋化工有限公司 一种粉状荧光增白剂组合物
CN1589352A (zh) * 2001-11-21 2005-03-02 克莱里安特财务(Bvi)有限公司 涉及荧光增白剂的改进

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