CN106120441A - A kind of modified calcium silicates papermaking filler and preparation method thereof - Google Patents
A kind of modified calcium silicates papermaking filler and preparation method thereof Download PDFInfo
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- CN106120441A CN106120441A CN201610451261.4A CN201610451261A CN106120441A CN 106120441 A CN106120441 A CN 106120441A CN 201610451261 A CN201610451261 A CN 201610451261A CN 106120441 A CN106120441 A CN 106120441A
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- calcium silicates
- modified calcium
- papermaking filler
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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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
-
- 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
- D21H21/06—Paper forming aids
- D21H21/08—Dispersing agents for fibres
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
The invention discloses a kind of modified calcium silicates papermaking filler, this modification calcium silicates papermaking filler is made up of each component of following parts by weight: modified calcium silicates 20 40 parts, modified zeolite 10 30 parts, magnesium aluminum-alloy powder 5 15 parts, modifying agent 15 parts, dispersant 13 parts, toughener 13 parts；The invention also discloses the preparation method of above-mentioned modified calcium silicates papermaking filler.Present invention process formula is easy to use, the advantage with safety and environmental protection, low cost, by increasing capacitance it is possible to increase Paper White Degree and opacity, and can improve tear index and tensile index, has a good application prospect.
Description
Technical field
The present invention relates to field of papermaking, particularly relate to a kind of modified calcium silicates papermaking filler and preparation method thereof.
Background technology
In order to improve paper optical property and printability, meet some property requirement of paper, save fibrous raw material
Reduce production cost, in the production of paper, generally individually need to add filler.The amount of being filled with of different paper kinds differs greatly, few
At 2%-3%, high reaches 40%.Owing to the price of general filler only has the 1/10th even lower of Plant fiber's price,
Therefore, paper adds more filler, paper production cost can be significantly reduced.Papermaking filler kind is more, the most frequently used
Have ground calcium carbonate, precipitated calcium carbonate, Pulvis Talci, Kaolin etc..The physicochemical properties of different fillers are different, though same
Planting filler, also due to particle diameter, the difference of surface topography, it is filled with rear paper properties and would also vary from.
In recent years, paper producer increasingly pays close attention to this index of bulk of paper.Owing to high bulk paper is permissible
Condition of equivalent thickness substitutes original heavu weights and opens, and not only saves fibrous raw material, reduces production cost and cost of transportation simultaneously, thus
More preferable economic benefit is brought for enterprise.Pertinent literature uses calcium silicates can be effectively improved into as papermaking filler with patent report
The bulk index of paper, its filled paper has preferable optical property and strength character simultaneously.For improving into paper wadding further
How content, reduce filler and the negative effect of paper strength just become the focus of technical research.
The patent of invention of Application No. CN02159775.8 discloses modifier for papermaking filler, papermaking filler and preparation
Methods and applications, but its tear index that can not be obviously improved paper and tensile index.
Summary of the invention
The present invention provides that a kind of technical recipe is easy to use, safety and environmental protection, low cost, can increase Paper White Degree and impermeable
Lightness the modified calcium silicates papermaking filler that tear index and tensile index can be improved and preparation method thereof.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is as follows: a kind of modified calcium silicates papermaking filler,
It is made up of following component: modified calcium silicates, modified zeolite, magnesium aluminum-alloy powder, modifying agent, dispersant, toughener；
Further, it is made up of each component of following parts by weight: modified calcium silicates 20-40 part, modified zeolite 10-30
Part, magnesium aluminum-alloy powder 5-15 part, modifying agent 1-5 part, dispersant 1-3 part, toughener 1-3 part；
Further, the preparation method of described modified calcium silicates is as follows: active calcium silicate is ground to the powder of 400-800 mesh
End, concentration is that the soak with sulphuric acid of 60-80% adds the NaOH solution that concentration is 10% and is neutralized after 3-5 hour, neutralizes
It is 3-6 to pH；
Further, the preparation method of described modified zeolite is as follows: zeolite is ground to the powder of 150-300 mesh, uses
Organic acidity modifying agent adds organic alkali agents after soaking 3-6 hour at 50-100 DEG C and is neutralized, and being neutralized to pH is 3-6；
Described organic acidity modifying agent is one or more in malic acid, oxalic acid, lactic acid, oxalic acid；Described alkaline reagent be triethylamine,
One or more in pyridine；
Further, the composition of described magnalium is as follows: described magnesium aluminum-alloy powder according to weight percentage by as follows
One-tenth is grouped into: Mg:15-25%, Si:1-2%, Zn:5-15%, O:0.2-1%, and surplus is Al；
Further, described modifying agent is polyacrylamide；
Further, described dispersant is fatty acid loss water sorbit ester class surfactant；
Further, described toughener is the mixture of sodium carboxymethylcellulose pyce and sodium alginate.
The invention also discloses the preparation method of above-mentioned a kind of modified calcium silicates papermaking filler, specifically comprise the following steps that
(1) by modifying agent, dispersant, toughener mixing, add water, be sufficiently stirred for；
(2) material after step (1) being sufficiently stirred for mixes with modified calcium silicates, modified zeolite, magnesium aluminum-alloy powder and stirs
Mixing dispersion, be heated to 50-80 DEG C, be incubated 0.5-3 hour, speed of agitator is 100-500r/min, obtains product modification calcium silicates
Papermaking filler；
Further, speed of agitator is 200-300r/min.
Beneficial effects of the present invention:
Present invention process formula is easy to use, the advantage with safety and environmental protection, low cost, by increasing capacitance it is possible to increase Paper White Degree and not
Transparency, and tear index and tensile index can be improved, have a good application prospect.The formula of the present invention works in coordination,
Create cooperative effect so that use the most rational netted knot of paper product that the modified calcium silicates papermaking filler of the present invention is produced
Structure, thus significantly improve intensity and evenness, the smoothness of paper product, can be widely applied to field of papermaking.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.Embodiment is intended to that the present invention carries out citing and describes, and
Non-limit the invention in any form.
Embodiment 1:
Be made up of each component of following parts by weight: modified calcium silicates 20 parts, modified zeolite 10 parts, magnesium aluminum-alloy powder 5 parts,
Polyacrylamide 1 part, 1 part of fatty acid loss water sorbit ester class surfactant, sodium carboxymethylcellulose pyce and sodium alginate weight ratio 1:1
1 part of mixture.
The preparation method of modified calcium silicates is as follows: active calcium silicate is ground to the powder of 800 mesh, and concentration is 80%
Soak with sulphuric acid add the NaOH solution that concentration is 10% after 3 hours and be neutralized, being neutralized to pH is 3-6.
The preparation method of modified zeolite is as follows: zeolite is ground to the powder of 300 mesh, uses lactic acid to soak 6 at 50 DEG C little
Adding triethylamine time after to be neutralized, being neutralized to pH is 6.
Magnesium aluminum-alloy powder is become to be grouped into by following according to weight percentage: Mg:15%, Si:2%, Zn:5%, O:1%,
Surplus is Al；Preparation method is: carry out dispensing according to the weight percentage of described magnalium, through ball mill grinding, batch mixing
To not observing reunion, forge 60 minutes at forging temperature is 700 DEG C, then be placed in vacuum drying oven pressure 80MPa,
At 450 DEG C, insulation is fired and is obtained magnalium finished product for 6 minutes, is ground to 200 mesh.
Described modified its preparation process step of calcium silicates papermaking filler is as follows:
(1) by modifying agent, dispersant, toughener mixing, add water, be sufficiently stirred for；
(2) material after step (1) being sufficiently stirred for mixes with modified calcium silicates, modified zeolite, magnesium aluminum-alloy powder and stirs
Mixing dispersion, be heated to 50 DEG C, be incubated 3 hours, speed of agitator is 100r/min, obtains product modification calcium silicates papermaking filler.
Embodiment 2:
It is made up of each component of following parts by weight: modified calcium silicates 40 parts, modified zeolite 30 parts, magnesium aluminum-alloy powder 15
Part, polyacrylamide 5 parts, 3 parts of fatty acid loss water sorbit ester class surfactant, sodium carboxymethylcellulose pyce and sodium alginate weight ratio
3 parts of the mixture of 1:1.
The preparation method of modified calcium silicates is as follows: active calcium silicate is ground to the powder of 400 mesh, and concentration is 60%
Soak with sulphuric acid add the NaOH solution that concentration is 10% after 5 hours and be neutralized, being neutralized to pH is 6.
The preparation method of modified zeolite is as follows: zeolite is ground to the powder of 300 mesh, uses lactic acid to soak 6 at 50 DEG C little
Adding triethylamine time after to be neutralized, being neutralized to pH is 6.
Magnesium aluminum-alloy powder is become to be grouped into by following according to weight percentage: Mg:25%, Si:2%, Zn:15%, O:
1%, surplus is Al；Preparation method is: carry out dispensing according to the weight percentage of described magnalium, through ball mill grinding,
Batch mixing, to not observing reunion, forges 60 minutes at forging temperature is 700 DEG C, then be placed in vacuum drying oven pressure 80MPa,
At 450 DEG C, insulation is fired and is obtained magnalium finished product for 6 minutes, is ground to 200 mesh.
Described modified its preparation process step of calcium silicates papermaking filler is as follows:
(1) by modifying agent, dispersant, toughener mixing, add water, be sufficiently stirred for；
(2) material after step (1) being sufficiently stirred for mixes with modified calcium silicates, modified zeolite, magnesium aluminum-alloy powder and stirs
Mixing dispersion, be heated to 80 DEG C, be incubated 0.5 hour, speed of agitator is 300r/min, obtains product modification calcium silicates papermaking filler.
Embodiment 3:
It is made up of each component of following parts by weight: modified calcium silicates 30 parts, modified zeolite 20 parts, magnesium aluminum-alloy powder 10
Part, polyacrylamide 3 parts, 3 parts of fatty acid loss water sorbit ester class surfactant, sodium carboxymethylcellulose pyce and sodium alginate weight ratio
1 part of the mixture of 1:1.
The preparation method of modified calcium silicates is as follows: active calcium silicate is ground to the powder of 600 mesh, and concentration is 70%
Soak with sulphuric acid add the NaOH solution that concentration is 10% after 5 hours and be neutralized, being neutralized to pH is 6.
The preparation method of modified zeolite is as follows: zeolite is ground to the powder of 300 mesh, uses lactic acid to soak 6 at 50 DEG C little
Adding triethylamine time after to be neutralized, being neutralized to pH is 6.
Magnesium aluminum-alloy powder is become to be grouped into by following according to weight percentage: Mg:20%, Si:2%, Zn:10%, O:
1%, surplus is Al；Preparation method is: carry out dispensing according to the weight percentage of described magnalium, through ball mill grinding,
Batch mixing, to not observing reunion, forges 60 minutes at forging temperature is 700 DEG C, then be placed in vacuum drying oven pressure 80MPa,
At 450 DEG C, insulation is fired and is obtained magnalium finished product for 6 minutes, is ground to 200 mesh.
Described modified its preparation process step of calcium silicates papermaking filler is as follows:
(1) by modifying agent, dispersant, toughener mixing, add water, be sufficiently stirred for；
(2) material after step (1) being sufficiently stirred for mixes with modified calcium silicates, modified zeolite, magnesium aluminum-alloy powder and stirs
Mixing dispersion, be heated to 70 DEG C, be incubated 2 hours, speed of agitator is 500r/min, obtains product modification calcium silicates papermaking filler.
Comparative example 1:
It is made up of each component of following parts by weight: active calcium silicate 30 parts, 20 parts of zeolite, magnesium aluminum-alloy powder 10 parts, poly-
Acrylamide 3 parts, 3 parts of fatty acid loss water sorbit ester class surfactant, sodium carboxymethylcellulose pyce and sodium alginate weight ratio 1:1
1 part of mixture.
Magnesium aluminum-alloy powder is become to be grouped into by following according to weight percentage: Mg:20%, Si:2%, Zn:10%, O:
1%, surplus is Al；Preparation method is: carry out dispensing according to the weight percentage of described magnalium, through ball mill grinding,
Batch mixing, to not observing reunion, forges 60 minutes at forging temperature is 700 DEG C, then be placed in vacuum drying oven pressure 80MPa,
At 450 DEG C, insulation is fired and is obtained magnalium finished product for 6 minutes, is ground to 200 mesh.
Its preparation process step of described active calcium silicate papermaking filler is as follows:
(1) by modifying agent, dispersant, toughener mixing, add water, be sufficiently stirred for；
(2) material after step (1) being sufficiently stirred for and active calcium silicate, zeolite, magnesium aluminum-alloy powder are mixed and stirred for point
Dissipating, be heated to 70 DEG C, be incubated 2 hours, speed of agitator is 500r/min, obtains Product Activity calcium silicates papermaking filler.
Comparative example 2:
Be made up of each component of following parts by weight: modified calcium silicates 30 parts, modified zeolite 20 parts, polyacrylamide 3 parts,
3 parts of fatty acid loss water sorbit ester class surfactant, sodium carboxymethylcellulose pyce and 1 part of the mixture of sodium alginate weight ratio 1:1.
The preparation method of modified calcium silicates is as follows: active calcium silicate is ground to the powder of 600 mesh, and concentration is 70%
Soak with sulphuric acid add the NaOH solution that concentration is 10% after 5 hours and be neutralized, being neutralized to pH is 6.
The preparation method of modified zeolite is as follows: zeolite is ground to the powder of 300 mesh, uses lactic acid to soak 6 at 50 DEG C little
Adding triethylamine time after to be neutralized, being neutralized to pH is 6.
Described modified its preparation process step of calcium silicates papermaking filler is as follows:
(1) by modifying agent, dispersant, toughener mixing, add water, be sufficiently stirred for；
(2) material after step (1) being sufficiently stirred for is mixed and stirred for dispersion, heating with modified calcium silicates, modified zeolite
To 70 DEG C, being incubated 2 hours, speed of agitator is 500r/min, obtains product modification calcium silicates papermaking filler.
Embodiment 4:
The calcium silicates papermaking filler that embodiment 1-3, comparative example 1, comparative example 2 formula obtain makes hands according to TAPPI standard
Handsheet paper, compares its various aspects of performance and see table:
Table 1 result of the test
As can be seen here, present invention process formula can increase Paper White Degree and opacity, and can improve tear index
And tensile index, have a good application prospect.
Above-described embodiment simply to illustrate that the technology design of the present invention and feature, its objective is to be to allow in this area
Those of ordinary skill will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this.All
It is the change according to the equivalence done by the essence of present invention or modification, all should contain within the scope of the present invention.
Claims (10)
1. a modified calcium silicates papermaking filler, it is characterised in that be made up of following component: modified calcium silicates, modified zeolite, magnesium
Al alloy powder, modifying agent, dispersant, toughener.
2. a kind of modified calcium silicates papermaking filler as claimed in claim 1, it is characterised in that by each group of following parts by weight
Part composition: modified calcium silicates 20-40 part, modified zeolite 10-30 part, magnesium aluminum-alloy powder 5-15 part, modifying agent 1-5 part, dispersant
1-3 part, toughener 1-3 part.
3. a kind of modified calcium silicates papermaking filler as claimed in claim 1, it is characterised in that the preparation of described modified calcium silicates
Method is as follows: active calcium silicate is ground to the powder of 400-800 mesh, and concentration is soak with sulphuric acid 3-5 hour of 60-80%
Rear addition concentration be 10% NaOH solution be neutralized, being neutralized to pH is 3-6.
4. a kind of modified calcium silicates papermaking filler as claimed in claim 1, it is characterised in that the preparation side of described modified zeolite
Method is as follows: zeolite is ground to the powder of 150-300 mesh, after using organic acidity modifying agent to soak 3-6 hour at 50-100 DEG C
Adding organic alkali agents to be neutralized, being neutralized to pH is 3-6；Described organic acidity modifying agent be malic acid, oxalic acid, lactic acid,
One or more in oxalic acid；Described alkaline reagent is one or more in triethylamine, pyridine.
5. a kind of modified calcium silicates papermaking filler as claimed in claim 1, it is characterised in that the composition of described magnalium is such as
Under: described magnesium aluminum-alloy powder is become to be grouped into by following according to weight percentage: Mg:15-25%, Si:1-2%, Zn:5-
15%, O:0.2-1%, surplus is Al.
6. a kind of modified calcium silicates papermaking filler as claimed in claim 1, it is characterised in that described modifying agent is polyacrylamide
Amine.
7. a kind of modified calcium silicates papermaking filler as claimed in claim 1, it is characterised in that described dispersant is that fatty acid loses
Water sorbitol esters surface active agent.
8. a kind of modified calcium silicates papermaking filler as claimed in claim 1, it is characterised in that described toughener is Methyl cellulose
Element sodium and the mixture of sodium alginate.
9. the preparation method of a kind of modified calcium silicates papermaking filler as described in any one of claim 1-8, it is characterised in that.
(1) by modifying agent, dispersant, toughener mixing, add water, be sufficiently stirred for；
(2) material after step (1) being sufficiently stirred for and modified calcium silicates, modified zeolite, magnesium aluminum-alloy powder are mixed and stirred for point
Dissipating, be heated to 50-80 DEG C, be incubated 0.5-3 hour, speed of agitator is 100-500r/min, obtains product modification calcium silicates papermaking
Filler.
The preparation method of a kind of modified calcium silicates papermaking filler the most as claimed in claim 9, it is characterised in that speed of agitator
For 200-300r/min.
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| CN201610451261.4A CN106120441B (en) | 2016-06-20 | 2016-06-20 | A kind of modified calcium silicates papermaking filler and preparation method thereof |
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| CN201610451261.4A CN106120441B (en) | 2016-06-20 | 2016-06-20 | A kind of modified calcium silicates papermaking filler and preparation method thereof |
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| CN106120441A true CN106120441A (en) | 2016-11-16 |
| CN106120441B CN106120441B (en) | 2018-09-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107759187A (en) * | 2017-11-15 | 2018-03-06 | 惠州市永耐宝新材料有限公司 | A kind of rapid-drying properties gap filler and preparation method thereof |
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| CN103306159A (en) * | 2013-05-20 | 2013-09-18 | 陕西科技大学 | Preparation method of modified calcium silicate papermaking filler |
| CN103388281A (en) * | 2012-05-08 | 2013-11-13 | 金东纸业（江苏）股份有限公司 | Modification filling material and preparation method thereof, and slurry adopting modification filling material |
| CN104004385A (en) * | 2014-05-13 | 2014-08-27 | 天津科技大学 | Preparation method of modified wollastonite used as papermaking filling materials |
| CN104928984A (en) * | 2015-06-03 | 2015-09-23 | 华南理工大学 | High-smoothness stainless-steel isolation paper and preparation method thereof |
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| CN103388281A (en) * | 2012-05-08 | 2013-11-13 | 金东纸业（江苏）股份有限公司 | Modification filling material and preparation method thereof, and slurry adopting modification filling material |
| CN103306159A (en) * | 2013-05-20 | 2013-09-18 | 陕西科技大学 | Preparation method of modified calcium silicate papermaking filler |
| CN104004385A (en) * | 2014-05-13 | 2014-08-27 | 天津科技大学 | Preparation method of modified wollastonite used as papermaking filling materials |
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| CN107759187A (en) * | 2017-11-15 | 2018-03-06 | 惠州市永耐宝新材料有限公司 | A kind of rapid-drying properties gap filler and preparation method thereof |
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