CN106120441B - 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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- CN106120441B CN106120441B CN201610451261.4A CN201610451261A CN106120441B CN 106120441 B CN106120441 B CN 106120441B CN 201610451261 A CN201610451261 A CN 201610451261A CN 106120441 B CN106120441 B CN 106120441B
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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
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- 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, which is made of each component of following parts by weight：Modified 20 40 parts of calcium silicates, 10 30 parts of modified zeolite, 5 15 parts of magnesium aluminum-alloy powder, 15 parts of modifying agent, 13 parts of dispersant, 13 parts of toughener；The invention also discloses the preparation methods of above-mentioned modified calcium silicates papermaking filler.Present invention process formula is easy to use, has the advantages that safety and environmental protection, at low cost, can increase Paper White Degree and opacity, and can improve tear index and tensile index, have a good application prospect.
Description
Technical field
The present invention relates to field of papermaking more particularly to a kind of modified calcium silicates papermaking filler and preparation method thereof.
Background technology
In order to improve paper optical property and printability, meets the certain property requirements of paper, save fibrous raw material
Production cost is reduced, in the production of paper, is generally required to that filler is added.The amount of being filled with of different paper kinds differs greatly, few
In 2%-3%, high reaches 40%.Since the price of general filler only has the 1/10th even lower of plant fiber price,
Therefore, more fillers are added in paper, paper production cost can be significantly reduced.Papermaking filler type is more, the most frequently used
Have powdered whiting, precipitated calcium carbonate, talcum powder, kaolin etc..The physicochemical properties of different fillers are different, even if same
Kind filler, also due to grain size, the difference of surface topography, are filled with rear paper properties and would also vary from.
In recent years, paper producer increasingly pays close attention to the bulk of paper this index.Since high bulk paper can be with
Condition of equivalent thickness substitutes original heavu weights, not only saves fibrous raw material, while reducing production cost and transportation cost, to
Better economic benefit is brought for enterprise.Pertinent literature and patent report can be effectively improved into using calcium silicates as papermaking filler
The bulk index of paper, while its filled paper has preferable optical property and strength character.To further increase into paper wadding
Content, how to reduce filler just becomes the negative effect of paper strength the hot spot of technical research.
Application No. is the patents of invention of CN02159775.8 to disclose modifier for papermaking filler, papermaking filler and preparation
Methods and applications, but it can not be obviously improved the tear index of paper and tensile index.
Invention content
The present invention provide a kind of technical recipe easy to use, safety and environmental protection, it is at low cost, Paper White Degree and impermeable can be increased
Lightness and the modification calcium silicates papermaking filler and preparation method thereof that tear index and tensile index can be improved.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is as follows：A kind of modified calcium silicates papermaking filler,
It is made of the following components：Modified calcium silicates, modified zeolite, magnesium aluminum-alloy powder, modifying agent, dispersant, toughener；
Further, it is made of each component of following parts by weight：Modified 20-40 parts of calcium silicates, modified zeolite 10-30
Part, 5-15 parts of magnesium aluminum-alloy powder, 1-5 parts of modifying agent, 1-3 parts of dispersant, 1-3 parts of toughener；
Further, the preparation method of the modified calcium silicates is as follows：Active calcium silicate is ground to the powder of 400-800 mesh
End is added a concentration of 10% NaOH solution after being impregnated 3-5 hour using the sulfuric acid of a concentration of 60-80% and is neutralized, neutralization
It is 3-6 to pH；
Further, the preparation method of the modified zeolite is as follows：Zeolite is ground to 150-300 mesh powders, is used
Organic acidity modifying agent is added during organic alkali agents carry out after being impregnated 3-6 hours at 50-100 DEG C and is neutralized to pH as 3-6；
The organic acidity modifying agent is one or more of malic acid, oxalic acid, lactic acid, oxalic acid；The alkaline reagent be triethylamine,
One or more of pyridine；
Further, the composition of the magnesium alloy is as follows：The magnesium aluminum-alloy powder is according to weight percentage by as follows
At being grouped as：Mg：15-25%, Si：1-2%, Zn：5-15%, O：0.2-1%, surplus Al；
Further, the modifying agent is polyacrylamide；
Further, the dispersant is fatty acid loss water sorbit ester class surfactant；
Further, the toughener is the mixture of sodium carboxymethylcellulose pyce and mosanom.
The invention also discloses a kind of above-mentioned preparation methods of modified calcium silicates papermaking filler, are as follows：
(1) modifying agent, dispersant, toughener are mixed, water is added, is sufficiently stirred；
(2) material after being sufficiently stirred step (1) is mixed and is stirred with modified calcium silicates, modified zeolite, magnesium aluminum-alloy powder
Dispersion is mixed, is heated to 50-80 DEG C, keeps the temperature 0.5-3 hours, speed of agitator 100-500r/min, product is obtained and is modified calcium silicates
Papermaking filler；
Further, speed of agitator 200-300r/min.
Beneficial effects of the present invention：
Present invention process formula is easy to use, has the advantages that safety and environmental protection, at low cost, can increase Paper White Degree and not
Transparency, and tear index and tensile index can be improved, it has a good application prospect.The present invention formula work in coordination,
Produce synergistic effect so that the more rational netted knot of paper product produced using the modification calcium silicates papermaking filler of the present invention
Structure can be widely applied to field of papermaking to significantly improve the intensity and evenness, smoothness of paper product.
Specific implementation mode
With reference to embodiment, the invention will be further described.Embodiment is intended to carry out citing description to the present invention, and
It is non-to limit the invention in any form.
Embodiment 1：
It is made of each component of following parts by weight：Modified 20 parts of calcium silicates, 10 parts of modified zeolite, 5 parts of magnesium aluminum-alloy powder,
1 part of polyacrylamide, 1 part of fatty acid loss water sorbit ester class surfactant, sodium carboxymethylcellulose pyce and mosanom weight ratio 1:1
1 part of mixture.
The preparation method of modified calcium silicates is as follows：Active calcium silicate is ground to 800 mesh powders, uses a concentration of 80%
Sulfuric acid impregnate 3 hours after a concentration of 10% NaOH solution be added neutralized, it is 3-6 to be neutralized to pH.
The preparation method of modified zeolite is as follows：Zeolite is ground to 300 mesh powders, it is small that 6 are impregnated at 50 DEG C using lactic acid
When after be added triethylamine neutralized, be neutralized to pH be 6.
Magnesium aluminum-alloy powder is according to weight percentage by as follows at being grouped as：Mg：15%, Si：2%, Zn：5%, O：1%,
Surplus is Al；Preparation method is：Dispensing is carried out according to the weight percentage of the magnesium alloy, through ball mill grinding, batch mixing
Until not observing reunion, forge 60 minutes at being 700 DEG C in forging temperature, then be placed in vacuum drying oven the 80MPa that presses,
Firing in 6 minutes is kept the temperature at 450 DEG C and obtains magnesium alloy finished product, is ground to 200 mesh.
Steps are as follows for described modified its preparation process of calcium silicates papermaking filler：
(1) modifying agent, dispersant, toughener are mixed, water is added, is sufficiently stirred；
(2) material after being sufficiently stirred step (1) is mixed and is stirred with modified calcium silicates, modified zeolite, magnesium aluminum-alloy powder
Dispersion is mixed, is heated to 50 DEG C, keeps the temperature 3 hours, speed of agitator 100r/min, product is obtained and is modified calcium silicates papermaking filler.
Embodiment 2：
It is made of each component of following parts by weight：Modified 40 parts of calcium silicates, 30 parts of modified zeolite, magnesium aluminum-alloy powder 15
Part, 5 parts of polyacrylamide, 3 parts of fatty acid loss water sorbit ester class surfactant, sodium carboxymethylcellulose pyce and mosanom weight ratio
1:3 parts of 1 mixture.
The preparation method of modified calcium silicates is as follows：Active calcium silicate is ground to 400 mesh powders, uses a concentration of 60%
Sulfuric acid impregnate 5 hours after a concentration of 10% NaOH solution be added neutralized, it is 6 to be neutralized to pH.
The preparation method of modified zeolite is as follows：Zeolite is ground to 300 mesh powders, it is small that 6 are impregnated at 50 DEG C using lactic acid
When after be added triethylamine neutralized, be neutralized to pH be 6.
Magnesium aluminum-alloy powder is according to weight percentage by as follows at being grouped as：Mg：25%, Si：2%, Zn：15%, O：
1%, surplus Al；Preparation method is：According to the magnesium alloy weight percentage carry out dispensing, through ball mill grinding,
Batch mixing forge 60 minutes until not observing reunion at being 700 DEG C in forging temperature, then be placed in vacuum drying oven the 80MPa that presses,
Firing in 6 minutes is kept the temperature at 450 DEG C and obtains magnesium alloy finished product, is ground to 200 mesh.
Steps are as follows for described modified its preparation process of calcium silicates papermaking filler：
(1) modifying agent, dispersant, toughener are mixed, water is added, is sufficiently stirred；
(2) material after being sufficiently stirred step (1) is mixed and is stirred with modified calcium silicates, modified zeolite, magnesium aluminum-alloy powder
Dispersion is mixed, is heated to 80 DEG C, keeps the temperature 0.5 hour, speed of agitator 300r/min, product is obtained and is modified calcium silicates papermaking filler.
Embodiment 3：
It is made of each component of following parts by weight：Modified 30 parts of calcium silicates, 20 parts of modified zeolite, magnesium aluminum-alloy powder 10
Part, 3 parts of polyacrylamide, 3 parts of fatty acid loss water sorbit ester class surfactant, sodium carboxymethylcellulose pyce and mosanom weight ratio
1:1 part of 1 mixture.
The preparation method of modified calcium silicates is as follows：Active calcium silicate is ground to 600 mesh powders, uses a concentration of 70%
Sulfuric acid impregnate 5 hours after a concentration of 10% NaOH solution be added neutralized, it is 6 to be neutralized to pH.
The preparation method of modified zeolite is as follows：Zeolite is ground to 300 mesh powders, it is small that 6 are impregnated at 50 DEG C using lactic acid
When after be added triethylamine neutralized, be neutralized to pH be 6.
Magnesium aluminum-alloy powder is according to weight percentage by as follows at being grouped as：Mg：20%, Si：2%, Zn：10%, O：
1%, surplus Al；Preparation method is：According to the magnesium alloy weight percentage carry out dispensing, through ball mill grinding,
Batch mixing forge 60 minutes until not observing reunion at being 700 DEG C in forging temperature, then be placed in vacuum drying oven the 80MPa that presses,
Firing in 6 minutes is kept the temperature at 450 DEG C and obtains magnesium alloy finished product, is ground to 200 mesh.
Steps are as follows for described modified its preparation process of calcium silicates papermaking filler：
(1) modifying agent, dispersant, toughener are mixed, water is added, is sufficiently stirred；
(2) material after being sufficiently stirred step (1) is mixed and is stirred with modified calcium silicates, modified zeolite, magnesium aluminum-alloy powder
Dispersion is mixed, is heated to 70 DEG C, keeps the temperature 2 hours, speed of agitator 500r/min, product is obtained and is modified calcium silicates papermaking filler.
Comparative example 1：
It is made of each component of following parts by weight：30 parts of active calcium silicate, 10 parts of magnesium aluminum-alloy powder, gathers 20 parts of zeolite
3 parts of acrylamide, 3 parts of fatty acid loss water sorbit ester class surfactant, sodium carboxymethylcellulose pyce and mosanom weight ratio 1:1
1 part of mixture.
Magnesium aluminum-alloy powder is according to weight percentage by as follows at being grouped as：Mg：20%, Si：2%, Zn：10%, O：
1%, surplus Al；Preparation method is：According to the magnesium alloy weight percentage carry out dispensing, through ball mill grinding,
Batch mixing forge 60 minutes until not observing reunion at being 700 DEG C in forging temperature, then be placed in vacuum drying oven the 80MPa that presses,
Firing in 6 minutes is kept the temperature at 450 DEG C and obtains magnesium alloy finished product, is ground to 200 mesh.
Steps are as follows for described its preparation process of active calcium silicate papermaking filler：
(1) modifying agent, dispersant, toughener are mixed, water is added, is sufficiently stirred；
(2) material after being sufficiently stirred step (1) and active calcium silicate, zeolite, magnesium aluminum-alloy powder are mixed and stirred for point
It dissipates, is heated to 70 DEG C, keep the temperature 2 hours, speed of agitator 500r/min, obtain Product Activity calcium silicates papermaking filler.
Comparative example 2：
It is made of each component of following parts by weight：Modified 30 parts of calcium silicates, 20 parts of modified zeolite, 3 parts of polyacrylamide,
3 parts of fatty acid loss water sorbit ester class surfactant, sodium carboxymethylcellulose pyce and mosanom weight ratio 1:1 part of 1 mixture.
The preparation method of modified calcium silicates is as follows：Active calcium silicate is ground to 600 mesh powders, uses a concentration of 70%
Sulfuric acid impregnate 5 hours after a concentration of 10% NaOH solution be added neutralized, it is 6 to be neutralized to pH.
The preparation method of modified zeolite is as follows：Zeolite is ground to 300 mesh powders, it is small that 6 are impregnated at 50 DEG C using lactic acid
When after be added triethylamine neutralized, be neutralized to pH be 6.
Steps are as follows for described modified its preparation process of calcium silicates papermaking filler：
(1) modifying agent, dispersant, toughener are mixed, water is added, is sufficiently stirred；
(2) material after being sufficiently stirred step (1) is mixed and stirred for disperseing with modified calcium silicates, modified zeolite, heats
To 70 DEG C, 2 hours, speed of agitator 500r/min are kept the temperature, product is obtained and is modified calcium silicates papermaking filler.
Embodiment 4：
Embodiment 1-3, comparative example 1, comparative example 2 are formulated obtained calcium silicates papermaking filler and hand are made according to TAPPI standards
Handsheet paper compares its various aspects of performance and see the table below：
1 test result of table
It can be seen that present invention process formula can increase Paper White Degree and opacity, and tear index can be improved
And tensile index, it has a good application prospect.
Above-described embodiment simply to illustrate that the present invention technical concepts and features, it is in the art the purpose is to be to allow
Those of ordinary skill cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent changes or modifications made by the essence according to the content of present invention, should all covers within the scope of the present invention.
Claims (5)
1. a kind of modified calcium silicates papermaking filler, which is characterized in that be made of the following components：Modified calcium silicates, modified zeolite, magnesium
Al alloy powder, modifying agent, dispersant, toughener；
The preparation process of the filler is：
(1) modifying agent, dispersant, toughener are mixed, water is added, is sufficiently stirred；
(2) material after being sufficiently stirred step (1) and modified calcium silicates, modified zeolite, magnesium aluminum-alloy powder are mixed and stirred for point
It dissipates, is heated to 50-80 DEG C, keep the temperature 0.5-3 hours, speed of agitator 100-500r/min, obtain product and be modified calcium silicates papermaking
Filler；
Modified calcium silicates papermaking filler is made of each component of following parts by weight：Modified 20-40 parts of calcium silicates, modified zeolite
10-30 parts, 5-15 parts of magnesium aluminum-alloy powder, 1-5 parts of modifying agent, 1-3 parts of dispersant, 1-3 parts of toughener；
The composition of the magnesium alloy is as follows：The magnesium aluminum-alloy powder is according to weight percentage by as follows at being grouped as：Mg：
15-25%, Si：1-2%, Zn：5-15%, O：0.2-1%, surplus Al；
The modifying agent is polyacrylamide.
2. a kind of modified calcium silicates papermaking filler as described in claim 1, which is characterized in that the preparation of the modified calcium silicates
Method is as follows：Active calcium silicate is ground to 400-800 mesh powders, is impregnated 3-5 hours using the sulfuric acid of a concentration of 60-80%
A concentration of 10% NaOH solution is added afterwards to be neutralized, it is 3-6 to be neutralized to pH.
3. a kind of modified calcium silicates papermaking filler as described in claim 1, which is characterized in that the preparation side of the modified zeolite
Method is as follows：Zeolite is ground to 150-300 mesh powders, after being impregnated 3-6 hours at 50-100 DEG C using organic acidity modifying agent
Organic alkali agents are added to be neutralized, it is 3-6 to be neutralized to pH；The organic acidity modifying agent be malic acid, oxalic acid, lactic acid,
One or more of oxalic acid；The alkaline reagent is one or more of triethylamine, pyridine.
4. a kind of modified calcium silicates papermaking filler as described in claim 1, which is characterized in that the dispersant loses for aliphatic acid
Water sorbierite esters surface active agent.
5. a kind of modified calcium silicates papermaking filler as described in claim 1, which is characterized in that the toughener is Methyl cellulose
The mixture of plain sodium and mosanom.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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2016
- 2016-06-20 CN CN201610451261.4A patent/CN106120441B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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