CN108611920B - Preparation method of reinforcing agent for inorganic fibers for pulping and papermaking - Google Patents
Preparation method of reinforcing agent for inorganic fibers for pulping and papermaking Download PDFInfo
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- CN108611920B CN108611920B CN201810546184.XA CN201810546184A CN108611920B CN 108611920 B CN108611920 B CN 108611920B CN 201810546184 A CN201810546184 A CN 201810546184A CN 108611920 B CN108611920 B CN 108611920B
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- 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
- D21H21/18—Reinforcing agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
-
- 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
-
- 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
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses a preparation method of a reinforcing agent for inorganic fibers for pulping and papermaking, which takes starch, styrene and butyl acrylate as raw materials and prepares a novel reinforcing agent for inorganic fibers by an emulsion polymerization method, wherein the dosage of the synthetic raw materials is as follows: 10 parts of starch, 10-18 parts of styrene and 2-10 parts of butyl acrylate. The reinforcing agent is used on the surface of the fly ash/coal gangue fiber to achieve the reinforcing effect on the fiber, so that the fly ash/coal gangue fiber can be used in the paper making industry, the plant fiber can be saved, the pollution generated in the pulping process can be reduced, and the paper making cost is reduced.
Description
Technical Field
The invention relates to the technical field of papermaking, in particular to a reinforcing agent for inorganic fibers.
Background
With the continuous development of modern human civilization, paper becomes an indispensable material in the fields of industry, agriculture, commerce, construction industry and the like, is not limited to be used in the cultural fields of writing and the like, and the demand of the paper is increased year by year. As is known to all, the raw materials of paper and paperboard are mainly plant fibers, and trees contain a large amount of plant fibers, so that the forest coverage of China is sharply reduced by cutting down a large amount of trees, so that animals lose habitat, soil desertification and climate deterioration are caused, the ecological balance of China is seriously influenced, and the special requirements of people on the paper performance can not be met only by using the plant fibers for papermaking. Accordingly, papermaking techniques utilizing inorganic fibers have been rapidly developed in recent years.
At present, related reports in China reflect that the shapes of the fly ash/coal gangue fiber and the plant fiber are similar, the whiteness of the treated fly ash/coal gangue fiber can reach 76 ℃ (the highest whiteness of electrostatic duplicating paper is limited by national standards is 54 ℃, and the highest whiteness of uncoated cultural paper is limited by national standards is 94 ℃), so that the fly ash/coal gangue fiber can be used as a very friendly fiber to be mixed with the plant fiber for papermaking. However, the fly ash/coal gangue fiber belongs to inorganic fiber, has the defects of large brittleness and low strength, and can only be applied to paper pulp filler for papermaking or be applied to paper boards and low-grade packaging paper instead of part of plant fiber when being directly applied. If the fly ash/coal gangue fiber is subjected to modification treatment, the application range and the application range of the fly ash/coal gangue fiber in the aspect of papermaking can be greatly improved. The invention takes starch, styrene and butyl acrylate as raw materials, prepares a novel reinforcing agent for inorganic fiber by an emulsion polymerization method, applies the reinforcing agent on the surface of fly ash/coal gangue fiber to achieve the reinforcing effect on the fiber, can enable the fly ash/coal gangue fiber to be applied to the paper making industry, can save plant fiber, can also reduce pollution generated in the pulping process, and reduces the paper making cost.
Disclosure of Invention
The invention aims to provide a preparation method of a reinforcing agent for inorganic fibers for pulping and papermaking, which can modify the surface of fly ash/coal gangue fibers and change the defects of strong rigidity, large brittleness and easy fracture.
A method for preparing a reinforcing agent for inorganic fibers for pulping and papermaking is characterized by comprising the following steps:
adding 10 parts by weight of starch, 0.5 part by weight of sodium bisulfite and 0.02 part by weight of ferrous sulfate into a reaction kettle at room temperature, adding 70 parts by weight of deionized water, magnetically stirring for 30min, slowly heating the solution to 90-95 ℃, and continuously magnetically stirring at constant temperature for 50min to fully gelatinize the starch. Cooling the gelatinized starch to about 80 ℃, adding 20 parts by weight of styrene and butyl acrylate monomers, uniformly stirring, slowly dropwise adding 2.5 parts by weight of hydrogen peroxide, after dropwise adding is completed within 1.5-2 h, adding 8 parts by weight of functionalized MOF-SO3@ KIT-6 nano-body, stirring and reacting at constant temperature of 80 ℃ for 90 min, and discharging to obtain the novel reinforcing agent for the inorganic fiber.
Has the advantages that: the invention provides a preparation method of a reinforcing agent for inorganic fibers for pulping and papermaking, which is characterized in that the reinforcing agent is adsorbed on the surface of the fibers through the adsorption effect of starch on fly ash/coal gangue fibers to form an adsorption film so as to achieve the reinforcing effect of the fibers. In addition, the functionalized MOF-SO3@ KIT-6 nano material is added in the preparation process, the physical, chemical and mechanical properties of the polymer can be obviously improved under the condition of lower addition, and the synergistic effect of the functionalized MOF-SO3@ KIT-6 nano material can greatly improve the enhancement and modification of the fly ash/coal gangue fiber.
Detailed Description
Example 1
Adding 10 parts by weight of starch, 0.5 part by weight of sodium bisulfite and 0.02 part by weight of ferrous sulfate into a reaction kettle at room temperature, adding 70 parts by weight of deionized water, magnetically stirring for 30min, slowly heating the solution to 90-95 ℃, and continuously magnetically stirring at constant temperature for 50min to fully gelatinize the starch. Cooling the gelatinized starch to about 80 ℃, adding 13 parts by weight of styrene and 7 parts by weight of butyl acrylate monomer, stirring uniformly, slowly dropwise adding 2.5 parts by weight of hydrogen peroxide, after dropwise adding is finished for 1.5-2 h, adding 8 parts by weight of functionalized MOF-SO3@ KIT-6 nano-body, stirring at constant temperature of 80 ℃ for reaction for 90 min, and discharging to obtain the novel reinforcing agent for the inorganic fiber.
The preparation method of the functionalized MOF-SO3@ KIT-6 nano-body comprises the following steps:
dissolving 5 parts by weight of xanthan gum and 2 parts by weight of tetradecylamine in 15 parts by weight of ethanol, and magnetically stirring for 1 hour to obtain a dispersant solution. And spraying the solution into 10 parts by weight of MOF-SO3@ KIT-6 nano-bodies which are stirred at a high speed at a spraying speed of 50ml/min, wherein the stirring speed is 1000 r/min, transferring the mixture into a reaction kettle after stirring, and stirring for 12 hours at a speed of 500-600 r/min under the condition of nitrogen atmosphere at a temperature of 80-90 ℃ and 0.5kPa to obtain the functionalized MOF-SO3@ KIT-6 nano-bodies.
The preparation method of the MOF-SO3@ KIT-6 nano-system comprises the following steps: ultrasonically dispersing 20 parts of KIT-6 powder in 30 parts of N-Dimethylacetamide (DMA), respectively weighing 45 parts of zirconium oxychloride hydrate and 6 parts of sodium 2-sulfoacid terephthalate, adding the zirconium oxychloride hydrate and the sodium 2-sulfoacid terephthalate into the dispersion, adding 9 parts of formic acid, ultrasonically dispersing for 310min, transferring the mixture into a polytetrafluoroethylene lining, covering the polytetrafluoroethylene lining, placing the polytetrafluoroethylene lining into a reaction kettle, sealing the reaction kettle tightly, placing the reaction kettle into a constant-temperature oven at 150 ℃ for continuous reaction for 14h, centrifugally separating out a reaction product, washing the reaction product for 3 times by using a fresh DMF solvent, washing the reaction product for multiple times by using a fresh ethanol solvent, and finally placing the centrifugally separated product into an oven at 50 ℃ for 6h to obtain the MOF-SO3@ KIT-6 composite nanopowder.
Example 2
Exactly the same as example 1, except that: 18 parts by weight of styrene and 2 parts by weight of butyl acrylate monomer were added.
Example 3
Exactly the same as example 1, except that: 17 parts by weight of styrene and 3 parts by weight of butyl acrylate monomer were added.
Example 4
Exactly the same as example 1, except that: 16 parts by weight of styrene and 4 parts by weight of butyl acrylate monomer were added.
Example 5
Exactly the same as example 1, except that: 15 parts by weight of styrene and 5 parts by weight of butyl acrylate monomer were added.
Example 6
Exactly the same as example 1, except that: 14 parts by weight of styrene and 6 parts by weight of butyl acrylate monomer were added.
Example 7
Exactly the same as example 1, except that: 12 parts by weight of styrene and 8 parts by weight of butyl acrylate monomer were added.
Example 8
Exactly the same as example 1, except that: 11 parts by weight of styrene and 9 parts by weight of butyl acrylate monomer were added.
Example 9
Exactly the same as example 1, except that: 10 parts by weight of styrene and 10 parts by weight of butyl acrylate monomer were added.
Comparative example 1
Exactly the same as example 1, except that: except that no functionalized MOF-SO3@ KIT-6 nanobodies were added.
Comparative example 2
Exactly the same as example 1, except that: except that the untreated MOF-SO3@ KIT-6 nanobodies were added.
Comparative example 3
Exactly the same as example 1, except that: except that tetradecylamine was not added to prepare functionalized MOF-SO3@ KIT-6 nanobodies.
Comparative example 4
Exactly the same as example 1, except that: except that no xanthan was added to prepare the functionalized MOF-SO3@ KIT-6 nanobodies.
Comparative example 5
Exactly the same as example 1, except that: except that the functionalized MOF-SO3@ KIT-6 nanobodies were prepared without exposure to nitrogen.
Comparative example 6
Exactly the same as example 1, except that: except that the reinforcing agent for inorganic fibers was prepared without adding ferrous sulfate.
Comparative example 7
Exactly the same as example 1, except that: except that butyl acrylate was not added to prepare the reinforcing agent for inorganic fibers.
Comparative example 8
Exactly the same as example 1, except that: except that no styrene was added to prepare the reinforcing agent for inorganic fibers.
Comparative example 9
Exactly the same as example 1, except that: except that 2 parts by weight of hydrogen peroxide and 1 part by weight of sodium bisulfite are added when the reinforcing agent for the inorganic fiber is prepared.
The reinforcing agents for inorganic fibers prepared in examples 1 to 9 of the present invention and comparative examples 1 to 9 were subjected to a performance test by the following method: 1. reinforced modification of fly ash/coal gangue fiber
Weighing 99 g of water, placing the water in a beaker, adding 1 g of reinforcing agent emulsion, fully shaking the mixture, adding 2 g of fly ash/coal gangue fiber, uniformly dispersing the fly ash/coal gangue fiber at a stirring speed of 50 r/min, standing the mixture for 1 hour, performing suction filtration to obtain reinforced modified fly ash/coal gangue fiber, and then placing the reinforced fly ash/coal gangue fiber in an oven for drying for later use.
2. Evaluation of fiber-reinforced modification Effect
Drying the reinforced fibers to constant weight, weighing 50g of the reinforced fibers in a mortar, grinding for 80 times, sieving for 60 times by a 120-mesh sieve, weighing the mass of the residual reinforced fibers after sieving, and calculating the sieving rate.
Sieving rate% = (M)0-M）/M0×100%
In the formula: m0-dry weight of fiber (g) before sieving; M-Dry weight (g) of fiber remaining after sieving.
Evaluation results of Performance of reinforcing agent for inorganic fiber
As can be seen from the above table, when the reinforcing agent for inorganic fibers prepared under the conditions of example 1 is used for acting on fly ash/coal gangue fibers, the sieving rate is the lowest, and the effects of the other examples are not obvious, which illustrates that the reinforcing agent prepared under the conditions of example 1 has an unexpectedly good reinforcing effect, when the total amount of styrene and butyl acrylate monomers is not changed, the sieving rate of fly ash/coal gangue fibers is first reduced and then increased along with the change of the monomer ratio, and the possible reason is that the toughness of a film coated on the surface of fly ash/coal gangue fibers is increased along with the higher mass ratio of the monomers, but when the mass ratio is too high, too much styrene is not beneficial to good film formation of reinforcing agent emulsion on the fibers, so the sieving rate is in a decreasing trend. In addition, comparative examples 1 to 5 show that the reinforcing performance of the reinforcing agent is greatly influenced by the addition and the weight part of the functionalized MOF-SO3@ KIT-6 nano-bodies, and comparative examples 5 to 9 show that the selection of raw materials and the selection of conditions have outstanding influence on the performance of the reinforcing agent when the reinforcing agent for inorganic fibers is prepared.
Claims (5)
1. A preparation method of a reinforcing agent for inorganic fibers for pulping and papermaking is characterized by comprising the following steps of adding 10 parts by weight of starch, 0.5 part by weight of sodium bisulfite and 0.02 part by weight of ferrous sulfate into a reaction kettle, adding 70 parts by weight of deionized water, magnetically stirring for 30min, slowly heating the solution to 90-95 ℃, continuously and magnetically stirring for 50min at a constant temperature to fully gelatinize the starch, cooling the gelatinized starch to 80 ℃, adding 20 parts by weight of styrene and butyl acrylate monomers, uniformly stirring, slowly dropwise adding 2.5 parts by weight of hydrogen peroxide, dropwise adding 8 parts by weight of functionalized MOF-SO3@ KIT-6 nano-bodies after dropwise adding for 1.5-2 h, stirring and reacting for 90 min at a constant temperature of 80 ℃, and discharging to obtain the reinforcing agent for inorganic fibers.
2. The method for preparing the reinforcing agent for inorganic fibers for pulping and papermaking according to claim 1, wherein the stirring speed in the step is 200-300 r/min.
3. The method for preparing the reinforcing agent for the inorganic fibers for pulping and papermaking according to claim 1, wherein the mass ratio of styrene to butyl acrylate in the steps is 9: 1-1: 1.
4. The method for preparing the inorganic fiber reinforcing agent for pulping and papermaking according to claim 1, wherein the reaction kettle in the step is a ceramic electric heating reaction kettle.
5. The method for preparing the inorganic fiber reinforcing agent for pulping and papermaking according to claim 1, wherein the functionalized MOF-SO3@ KIT-6 nano-bodies in the above steps are prepared as follows: ultrasonically dispersing 20 parts of KIT-6 powder in 30 parts of N-Dimethylacetamide (DMA), respectively weighing 45 parts of zirconium oxychloride hydrate and 6 parts of sodium 2-sulfoacid terephthalate, adding the zirconium oxychloride hydrate and the sodium 2-sulfoacid terephthalate into the dispersion, adding 9 parts of formic acid, ultrasonically dispersing for 30min, transferring the mixture into a polytetrafluoroethylene lining, covering the polytetrafluoroethylene lining, placing the polytetrafluoroethylene lining into a reaction kettle, sealing the reaction kettle tightly, placing the reaction kettle into a constant-temperature oven at 150 ℃ for continuous reaction for 24h, centrifugally separating out a reaction product, washing the reaction product for 3 times by using a fresh DMF solvent, washing the reaction product for multiple times by using a fresh ethanol solvent, and finally placing the centrifugally separated product into an oven at 50 ℃ for 6h to obtain the MOF-SO3@ KIT-6 composite nanopowder is prepared by dissolving 5 weight parts of xanthan gum and 2 weight parts of tetradecylamine in 15 weight parts of ethanol, magnetically stirring for 1h to obtain dispersant solution, spraying 10 weight parts of MOF-SO at a spray rate of 50ml/min3In the @ KIT-6 composite nano powder, the stirring speed is 1000 revolutions per minute, after the stirring is finished, the mixture is transferred to a reaction kettle, and the mixture is stirred for 12 hours at the nitrogen atmosphere and the temperature of 80-90 ℃ and the pressure of 0.5kPa and at 500-600 revolutions per minute, SO that the functionalized MOF-SO is obtained3@ KIT-6 nano-body.
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| CN108611920B true CN108611920B (en) | 2020-10-20 |
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| CN113174114A (en) * | 2021-05-27 | 2021-07-27 | 长治市宏瑞祥环保科技有限公司 | Method for preparing polyvinyl chloride carbon plastic product by using coal gangue |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635019A (en) * | 2012-04-16 | 2012-08-15 | 陕西科技大学 | Preparation method of organic silicon surface sizing agent |
| WO2012150863A1 (en) * | 2011-05-04 | 2012-11-08 | Stichting Sanquin Bloedvoorziening | Means and methods to determine a risk of multiple organ failure |
| CN104718214A (en) * | 2012-05-31 | 2015-06-17 | 国立科学研究中心 | Improved organic-inorganic hybrid solid having a modified outer surface |
| CN106543461A (en) * | 2016-12-06 | 2017-03-29 | 复旦大学 | MOF‑SO3H@GO modified polymer hybrid PEM and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012150863A1 (en) * | 2011-05-04 | 2012-11-08 | Stichting Sanquin Bloedvoorziening | Means and methods to determine a risk of multiple organ failure |
| CN102635019A (en) * | 2012-04-16 | 2012-08-15 | 陕西科技大学 | Preparation method of organic silicon surface sizing agent |
| CN104718214A (en) * | 2012-05-31 | 2015-06-17 | 国立科学研究中心 | Improved organic-inorganic hybrid solid having a modified outer surface |
| CN106543461A (en) * | 2016-12-06 | 2017-03-29 | 复旦大学 | MOF‑SO3H@GO modified polymer hybrid PEM and preparation method thereof |
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