CN104018395B - A kind of filler mixed liquor and preparation method thereof, the manufacture method of paper - Google Patents
A kind of filler mixed liquor and preparation method thereof, the manufacture method of paper Download PDFInfo
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- CN104018395B CN104018395B CN201410258486.9A CN201410258486A CN104018395B CN 104018395 B CN104018395 B CN 104018395B CN 201410258486 A CN201410258486 A CN 201410258486A CN 104018395 B CN104018395 B CN 104018395B
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Abstract
The invention discloses a kind of filler mixed liquor, the preparation method of filler mixed liquor and the manufacture method of paper, the preparation method of described filler mixed liquor includes: being added water by precipitated calcium carbonate is configured to filler suspension, montmorillonite and carboxymethyl cellulose is added in described filler suspension, described montmorillonite and carboxymethyl cellulose are dispersed in described filler suspension, obtain described montmorillonite and filler mixed liquor that carboxymethyl cellulose is coated on described precipitated calcium carbonate.By the way, the present invention can strengthen paper strength and not affect paper machine dehydration rate and paper machine run stability.
Description
Technical field
The present invention relates to pulp technology for making paper, particularly relate to a kind of filler mixed liquor and preparation side thereof
Method, the manufacture method of paper.
Background technology
Precipitated calcium carbonate, also known as winnofil (Precipitated Calcium Carbonate, letter
Claim PCC), be called for short fine particle calcium carbonate, as papermaking filler, PCC can be paper bring high bulk,
Opacity, whiteness, glossiness, smoothness, air permeability, ink absorption and printing adaptability,
And its price is lower than paper pulp, paper production cost therefore can also be reduced.
At present, generally use starch, polymer confrontation filler carries out cladding process, then will process
After filler add in slurry, to promote filler and interfibrous combination, this method can change
Hair and powder dropping phenomenon during kind paper printing.But after processing filler the most in this way, also
Paper cohesiveness, anti-tensile, the decline of folding equal strength index can be brought.
Additionally, these technology above-mentioned there is also some other problemses: as unstable in the physical property becoming paper
Qualitative (as paper strength is unstable), paper machine operation performance are (such as paper machine dehydration rate, the operating of paper machine
Stability etc.) variation etc..
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of filler mixed liquor and preparation method thereof,
The manufacture method of paper, it is possible to strengthen paper strength and do not affect paper machine dehydration rate and paper machine fortune
Turn stability.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide one to fill out
Material mixed liquor, described filler mixed liquor includes: the filler that precipitated calcium carbonate and water mix is suspended
Liquid, the montmorillonite being dispersed in described filler suspension and carboxymethyl cellulose, wherein, described illiteracy
De-stone and carboxymethyl cellulose are coated on described precipitated calcium carbonate.
Wherein, the mass ratio of described montmorillonite and described precipitated calcium carbonate is 1～6: 1000, described
The mass ratio of carboxymethyl cellulose and described precipitated calcium carbonate is 0.5～5: 1000.
Wherein, the weight/mass percentage composition of the described precipitated calcium carbonate in described filler suspension be 5%～
60%.
Wherein, described montmorillonite is sodium montmorillonite.
For solving above-mentioned technical problem, another technical solution used in the present invention is: provide one
The preparation method of filler mixed liquor, described method includes:
Precipitated calcium carbonate is added water and is configured to filler suspension；
In described filler suspension, add montmorillonite and carboxymethyl cellulose, by described montmorillonite and
Carboxymethyl cellulose is dispersed in described filler suspension, obtains described montmorillonite and carboxymethyl cellulose
Element is coated on the filler mixed liquor on described precipitated calcium carbonate.
Wherein, the mass ratio of described montmorillonite and described precipitated calcium carbonate is 1～6: 1000, described
The mass ratio of carboxymethyl cellulose and described precipitated calcium carbonate is 0.5～5: 1000.
Wherein, the weight/mass percentage composition of the described precipitated calcium carbonate in described filler suspension be 5%～
60%.
Wherein, described montmorillonite is sodium montmorillonite.
Wherein, described montmorillonite and described carboxymethyl cellulose add the time of described filler suspension
It is spaced apart 1～5 minute.
For solving above-mentioned technical problem, another technical solution used in the present invention is: provide one
The manufacture method of paper, described method includes:
Precipitated calcium carbonate is added water and is configured to filler suspension；
In described filler suspension, add montmorillonite and carboxymethyl cellulose, by described montmorillonite and
Carboxymethyl cellulose is dispersed in described filler suspension, obtains described montmorillonite and carboxymethyl cellulose
Element is coated on the filler mixed liquor on described precipitated calcium carbonate；
After described filler mixed liquor and fibre stuff being mixed, manufacture paper.
Wherein, described described filler mixed liquor and fibre stuff are mixed, manufacture the step of paper
Suddenly, including:
Described filler mixed liquor and fibre stuff are mixed, it is thus achieved that described filler mixed liquor and fibre
The mixture of dimension slurry；
Polyamide polyamine epoxy chlorine is added in the mixture of described filler mixed liquor and fibre stuff
After propane resin, manufacture paper.
Wherein, described polyamide polyamine epichlorhydrin resin and the mass ratio of described precipitated calcium carbonate
It is 1～3: 1000.
Wherein, described polyamide polyamine epichlorhydrin resin adds described filler mixed liquor and fiber
The mixture of slurry adds described filler with described carboxymethyl cellulose and described montmorillonite suspended
The time point interval of liquid is respectively 1～5 minute.
Wherein, the mass ratio of described montmorillonite and described precipitated calcium carbonate is 1～6: 1000, described
The mass ratio of carboxymethyl cellulose and described precipitated calcium carbonate is 0.5～5: 1000.
Wherein, the weight/mass percentage composition of the described precipitated calcium carbonate in described filler suspension be 5%～
60%.
Wherein, described montmorillonite is sodium montmorillonite.
Wherein, more than one during described fibre stuff includes long fibre, chopped fiber and mechanical pulp.
Wherein, the molecular weight of described polyamide polyamine epichlorhydrin resin≤100,000 dalton.
Wherein, the molecular weight of described polyamide polyamine epichlorhydrin resin≤80,000 dalton.
The invention has the beneficial effects as follows: be different from the situation of prior art, the present invention is at lightweight carbonic acid
The suspension of calcium and water mixing adds montmorillonite and carboxymethyl cellulose, forms filler mixed liquor,
Due to the usual positively charged of precipitated calcium carbonate particle surface, and montmorillonite band is born a little, and has stronger
Absorbability, by electrostatic attraction and flocculation, montmorillonite and carboxymethyl cellulose by lightweight carbon
Acid calcium is coated with securely, and carboxymethyl cellulose has the effect strengthening paper strength, at paper of manufacturing paper with pulp
During, carboxymethyl cellulose is retained by fibrous layer with the precipitated calcium carbonate being wrapped by and exists and paper
Zhang Zhong, simultaneously because the retention aid and filtering aid of montmorillonite, thus it is steady with the operating of paper machine not affect the dehydration of paper machine
Qualitative, and paper strength is obviously improved.
Accompanying drawing explanation
Fig. 1 is the flow chart of filler mixed liquor preparation method one embodiment of the present invention；
Fig. 2 is the flow chart of manufacture method one embodiment of paper of the present invention；
Fig. 3 is the flow chart of another embodiment of manufacture method of paper of the present invention.
Detailed description of the invention
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
The present invention provides a kind of filler mixed liquor, including: what precipitated calcium carbonate and water mixed fills out
Material suspension, the montmorillonite being dispersed in filler suspension and carboxymethyl cellulose
(Carboxymethyl Cellulose, CMC), wherein, montmorillonite and carboxymethyl cellulose cladding
On precipitated calcium carbonate.
Montmorillonite is the layer mineral being made up of the hydrous alumino silicates that granule is superfine, and centre is alumina
Octahedron, the clay mineral of the three-layer tablet shape structure formed by silicon-oxy tetrahedron up and down, at crystal
Interlayer is aqueous and some exchange cations for structure, has higher ion exchange capacity, has higher
Imbibition ability；Carboxymethyl cellulose is to extract the material obtained from Plant fiber, has very
Good water-retaining property, can form high viscosity colloid, have adhesion, thickening, emulsion dispersion, film forming
Etc. effect, typically it is applied to be coated with in the formulation for coating material of paper.
The preparation method of precipitated calcium carbonate generally includes two kinds, and one is the raw material sections such as limestone to be burnt
Generate Calx and carbon dioxide, add water digestion Calx and generate the Calx being mainly composed of calcium hydroxide
Breast, then passes to carbon dioxide carbonization lime cream and generates precipitation of calcium carbonate, through dehydration, is dried and powder
Broken prepared；The second is to be carried out metathesis reaction by sodium carbonate and calcium chloride to generate precipitation of calcium carbonate,
Through dehydration, dry and pulverizing is prepared.
The usual positively charged of precipitated calcium carbonate particle surface, montmorillonite is electronegative, and has stronger suction
Attached ability, therefore montmorillonite can be by precipitated calcium carbonate filling adsorption in its interlayer, carboxymethyl cellulose
The most electronegative, the montmorillonite being adsorbed with precipitated calcium carbonate is coated with by again；Another situation is,
First by carboxymethyl cellulose, precipitated calcium carbonate is adsorbed, then lightweight carbonic acid will be adsorbed with by montmorillonite
The carboxymethyl cellulose cladding of calcium.
Wherein, the mass ratio of montmorillonite and precipitated calcium carbonate is 1～6: 1000, such as: 1:1000,
3:1000,6:1000 etc.；The mass ratio of carboxymethyl cellulose and precipitated calcium carbonate be 0.5～
5: 1000, such as: 0.5:1000,2.5:1000,5:1000 etc..
Wherein, the weight/mass percentage composition of the precipitated calcium carbonate in filler suspension is 5%～60%, example
As, 5%, 20%, 60% etc..
Wherein, montmorillonite is sodium montmorillonite, and sodium montmorillonite is refined by high-quality natural montmorillonite warp
Purify and obtain, white in appearance or LightPink powder.Have special crystal structure and excellent from
Sub-commutativity, has good dispersibility, thixotropy, suspension adsorptivity etc. in aqueous systems,
Other embodiments of the present invention may be used without other montmorillonites such as calcium montmorillonite.
By above-mentioned embodiment, it will be understood that in present embodiment filler mixed liquor montmorillonite and
Precipitated calcium carbonate is coated with securely by carboxymethyl cellulose by electrostatic attraction and flocculation, makes light
Matter calcium carbonate particle diameter increases, and is difficult to flow among plain boiled water through forming net, decreases precipitated calcium carbonate
The loss of filler, carboxymethyl cellulose has the effect strengthening paper strength, in paper process of manufacturing paper with pulp
In, carboxymethyl cellulose is retained by fibrous layer with the precipitated calcium carbonate being wrapped by and exists and paper
In, simultaneously because the retention aid and filtering aid of montmorillonite, thus it is stable with the operating of paper machine not affect the dehydration of paper machine
Property, and paper strength is obviously improved.
Refering to the flow chart that Fig. 1, Fig. 1 are filler mixed liquor preparation method one embodiment of the present invention,
Present embodiment filler mixed liquor preparation method includes:
Step S101: precipitated calcium carbonate is added water and is configured to filler suspension；
Wherein, the weight/mass percentage composition of the precipitated calcium carbonate in filler suspension is 5%～60%.
Step S102: add montmorillonite and carboxymethyl cellulose in filler suspension, by montmorillonite
It is dispersed in filler suspension with carboxymethyl cellulose, obtains montmorillonite and carboxymethyl cellulose cladding
Filler mixed liquor on precipitated calcium carbonate.
In filler suspension, it is separately added into montmorillonite and carboxymethyl cellulose, does not the most limit and add
Add the sequencing of montmorillonite and carboxymethyl cellulose, can first add montmorillonite, it is possible to present price carboxymethyl
Cellulose, it is also possible to montmorillonite and carboxymethyl cellulose are simultaneously introduced in filler suspension, respectively
Stirred by blender, make montmorillonite and carboxymethyl cellulose be well dispersed in filler suspension
In, due to precipitated calcium carbonate surface positively charged, montmorillonite is electronegative, and has stronger energy of adsorption
Power, therefore montmorillonite can be by filling adsorption in its interlayer, and carboxymethyl cellulose is the most electronegative, its
The montmorillonite being adsorbed with precipitated calcium carbonate can be coated with again, or first will be light by carboxymethyl cellulose
Matter titanium pillaring solution, then by montmorillonite, the carboxymethyl cellulose being adsorbed with precipitated calcium carbonate is coated with,
Obtain montmorillonite and filler mixed liquor that carboxymethyl cellulose is coated on precipitated calcium carbonate.
Wherein, the mass ratio of montmorillonite and precipitated calcium carbonate is 1～6: 1000, carboxymethyl cellulose
It is 0.5～5: 1000 with the mass ratio of precipitated calcium carbonate.
Wherein, montmorillonite is sodium montmorillonite, and sodium montmorillonite is refined by high-quality natural montmorillonite warp
Purify and obtain, white in appearance or LightPink powder.Have special crystal structure and excellent from
Sub-commutativity, has good dispersibility, thixotropy, suspension adsorptivity etc. in aqueous systems,
Other embodiments of the present invention may be used without other montmorillonites such as calcium montmorillonite.
Wherein, the time interval that montmorillonite and carboxymethyl cellulose add filler suspension is 1～5
Minute, so can guarantee that the solution that montmorillonite and carboxymethyl cellulose add be fully dispersed uniformly
's.
By above-mentioned embodiment, it will be understood that in present embodiment filler mixed liquor preparation method,
Montmorillonite and carboxymethyl cellulose are added in the suspension of precipitated calcium carbonate and water, and fully stir
Mixing, montmorillonite and carboxymethyl cellulose are firm by precipitated calcium carbonate by electrostatic attraction and flocculation
Ground cladding, makes precipitated calcium carbonate particle diameter increase, and is difficult to flow among plain boiled water through forming net, reduces
The loss of precipitated calcium carbonate filler, carboxymethyl cellulose has the effect strengthening paper strength,
Manufacture paper with pulp in paper process, carboxymethyl cellulose retained by fibrous layer with the precipitated calcium carbonate being wrapped by and
Exist and in paper, simultaneously because the retention aid and filtering aid of montmorillonite, thus do not affect the dehydration of paper machine and paper
Machine run stability, and paper strength is obviously improved.
Refering to the flow chart of manufacture method one embodiment that Fig. 2, Fig. 2 are paper of the present invention, this
The manufacture method of embodiment paper includes:
Step S201: precipitated calcium carbonate is added water and is configured to filler suspension；
Wherein, the weight/mass percentage composition of the precipitated calcium carbonate in filler suspension is 5%～60%.
Step S202: add montmorillonite and carboxymethyl cellulose in filler suspension, by montmorillonite
It is dispersed in filler suspension with carboxymethyl cellulose, obtains montmorillonite and carboxymethyl cellulose cladding
Filler mixed liquor on precipitated calcium carbonate.
Montmorillonite and carboxymethyl cellulose it is separately added into, respectively in precipitated calcium carbonate filler suspension
Stirred by blender, make montmorillonite and carboxymethyl cellulose be well dispersed in filler suspension
In, due to precipitated calcium carbonate surface positively charged, montmorillonite is electronegative, and has stronger energy of adsorption
Power, by electrostatic attraction and flocculation, obtains montmorillonite and carboxymethyl cellulose is coated on lightweight
Filler mixed liquor on calcium carbonate.
Wherein, the mass ratio of montmorillonite and precipitated calcium carbonate is 1～6: 1000, carboxymethyl cellulose
It is 0.5～5: 1000 with the mass ratio of precipitated calcium carbonate.
Wherein, montmorillonite is sodium montmorillonite, and sodium montmorillonite is refined by high-quality natural montmorillonite warp
Purify and obtain, white in appearance or LightPink powder.Have special crystal structure and excellent from
Sub-commutativity, has good dispersibility, thixotropy, suspension adsorptivity etc. in aqueous systems,
Other embodiments of the present invention may be used without other montmorillonites such as calcium montmorillonite.
Wherein, the time interval that montmorillonite and carboxymethyl cellulose add filler suspension is 1～5
Minute, such as 1 minute, 3 minutes, 5 minutes etc., it is to avoid add the illiteracy added the soonest and above
De-stone or carboxymethyl cellulose also do not have fully dispersed uniformly, or time interval is oversize, filler suspension
Precipitate, so can guarantee that the solution that montmorillonite and carboxymethyl cellulose add be fully dispersed uniformly
's.
Step S203: after filler mixed liquor and fibre stuff being mixed, manufactures paper；
Wherein, fibre stuff includes more than one in long fibre, chopped fiber and mechanical pulp, such as
Fibre stuff only includes long fibre, chopped fiber or mechanical pulp；Or fibre stuff include long fibre and
Chopped fiber or long fibre and mechanical pulp etc.；Or fibre stuff includes long fibre, chopped fiber and machinery
Starch three kinds.
Fibre stuff, i.e. paper stock, be paper pulp to be copied paper grades, character and requirement by plan carry out beating
Slurry processes, and is subsequently adding sizing material, filler, colorant and other auxiliary agents and is modulated into the fibre being available for paper grade (stock)
Dimension suspension；Long fibre refers in fiber manufacture process, and spin fluid is extruded from spray orifice, is spinning
Silk braid cylinder cools down, or solidification is formed in coagulating bath, and the continuously silk obtained；Short fibre
Dimension is long fibre to be cut into 25 millimeters～silk that 100 mm lengths obtain；Mechanical pulp is to utilize machinery
Paper pulp made by method grinding fibrous raw material.
By above-mentioned embodiment, it will be understood that in the manufacture method of present embodiment paper, will
Montmorillonite and carboxymethyl cellulose add in the suspension of precipitated calcium carbonate and water, and are sufficiently stirred for,
Montmorillonite and carboxymethyl cellulose are by electrostatic attraction and flocculation by precipitated calcium carbonate securely
Cladding, makes precipitated calcium carbonate particle diameter increase, and is difficult to flow among plain boiled water through forming net, decreases
The loss of precipitated calcium carbonate filler, carboxymethyl cellulose has the effect strengthening paper strength, is copying
During papermaking is opened, carboxymethyl cellulose is retained by fibrous layer with the precipitated calcium carbonate being wrapped by and deposits
With paper, simultaneously because the retention aid and filtering aid of montmorillonite, thus do not affect the dehydration of paper machine and paper machine
Run stability, and paper strength is obviously improved.
Refering to the flow chart of another embodiment of manufacture method that Fig. 3, Fig. 3 are paper of the present invention,
The manufacture method of present embodiment paper includes:
Step S301: precipitated calcium carbonate is added water and is configured to filler suspension；
Wherein, the weight/mass percentage composition of the precipitated calcium carbonate in filler suspension is 5%～60%.
Step S302: add montmorillonite and carboxymethyl cellulose in filler suspension, by montmorillonite
It is dispersed in filler suspension with carboxymethyl cellulose, obtains montmorillonite and carboxymethyl cellulose cladding
Filler mixed liquor on precipitated calcium carbonate.
Montmorillonite and carboxymethyl cellulose it is separately added into, respectively in precipitated calcium carbonate filler suspension
Stirred by blender, make montmorillonite and carboxymethyl cellulose be well dispersed in filler suspension
In, by electrostatic attraction and flocculation, obtain montmorillonite and carboxymethyl cellulose is coated on lightweight
Filler mixed liquor on calcium carbonate.
Wherein, the mass ratio of montmorillonite and precipitated calcium carbonate is 1～6: 1000, carboxymethyl cellulose
It is 0.5～5: 1000 with the mass ratio of precipitated calcium carbonate.
Wherein, montmorillonite is sodium montmorillonite, and sodium montmorillonite is refined by high-quality natural montmorillonite warp
Purify and obtain, white in appearance or LightPink powder.Have special crystal structure and excellent from
Sub-commutativity, has good dispersibility, thixotropy, suspension adsorptivity etc. in aqueous systems,
Other embodiments of the present invention may be used without other montmorillonites such as calcium montmorillonite.
Wherein, the time interval that montmorillonite and carboxymethyl cellulose add filler suspension is 1～5
Minute, so can guarantee that the solution that montmorillonite and carboxymethyl cellulose add be fully dispersed uniformly
's.
Step S303: filler mixed liquor and fibre stuff are mixed, it is thus achieved that filler mixed liquor and
The mixture of fibre stuff；
Wherein, more than one during fibre stuff includes long fibre, chopped fiber and mechanical pulp.
Step S304: add polyamide polyamine ring in the mixture of filler mixed liquor and fibre stuff
After oxygen chloropropane resin (polyaminoamide-epichlorohydrin, PAE), manufacture paper；
Polyamine epichlorohydrin resin is a kind of cationic, water solublity, thermosetting resin,
In paper industry, polyamine epichlorohydrin resin as wet strength agent, have retention high, in/alkali
Property solidification and without formaldehyde, the advantage such as paper not brightness reversion of enhancing.
Polyamide polyamine epichlorhydrin is added in the mixture of filler mixed liquor and fibre stuff
Resin, can adjust the negative charge of whole mixed system and promote between precipitated calcium carbonate coating and fiber
Hydrogen bonded, polyamide polyamine epichlorhydrin resin is cationic, polyamide polyamine epoxy
The hydroxyl bond of chloropropane resin and the hydroxyl bond of carboxymethyl cellulose carry out hydrogen bonded, then its other end
Azetidine group and fiber on carboxyl produce crosslinking again, thus fine with carboxymethyl at fiber
Play crane span structure effect between dimension element, form firm chemical bond.
Wherein, the mass ratio of polyamide polyamine epichlorhydrin resin and precipitated calcium carbonate is 1～3:
1000, such as: 1:1000,2:1000,3:1000 etc..
Wherein, polyamide polyamine epichlorhydrin resin adds the mixed of filler mixed liquor and fibre stuff
The time point interval adding filler suspension in compound with carboxymethyl cellulose and montmorillonite is respectively
1～5 minute, so can guarantee that polyamide polyamine epichlorhydrin resin, montmorillonite and carboxymethyl are fine
Dimension element add solution be fully dispersed uniformly.
Wherein, the molecular weight of polyamide polyamine epichlorhydrin resin≤100,000 dalton.
Wherein, the molecular weight of polyamide polyamine epichlorhydrin resin≤80,000 dalton.
By above-mentioned embodiment, it will be understood that in the manufacture method of present embodiment paper, will
Montmorillonite and carboxymethyl cellulose add in the suspension of precipitated calcium carbonate and water, and are sufficiently stirred for,
Montmorillonite and carboxymethyl cellulose are by electrostatic attraction and flocculation by precipitated calcium carbonate securely
Cladding, makes precipitated calcium carbonate particle diameter increase, and is difficult to flow among plain boiled water through forming net, decreases
The loss of precipitated calcium carbonate filler, carboxymethyl cellulose has the effect strengthening paper strength, is copying
During papermaking is opened, by the crane span structure effect of polyamide polyamine epichlorhydrin resin, make carboxymethyl
Cellulose is incorporated on fiber or with the lightweight carbonic acid being wrapped by with the precipitated calcium carbonate being wrapped by
Calcium retained by fibrous layer and exist with in paper, simultaneously because the retention aid and filtering aid of montmorillonite, thus not
Affect the dehydration of paper machine and paper machine run stability, and make the paper such as tensile strength, tearing strength
Intensity is obviously improved.
Below by detailed description of the invention, the manufacture method of paper of the present invention is described further.
Comparative example 1
Take needlebush bleached kraft pulp that freedom is 400 milliliters (ml), freedom is 350ml
Leaf wood bleached kraft pulp and alkaline hydrogen peroxide thermomechanical pulp that freedom is 280ml,
Ratio according to 20%: 65%: 15% carries out being mixed to prepare fibre stuff, the quality hundred of fibre stuff
Point concentration is 1%.Taking above-mentioned fibre stuff, adding absolute dry mass is the 20% of slurry absolute dry mass
Precipitated calcium carbonate filler suspension, in filler suspension, the weight/mass percentage composition of precipitated calcium carbonate is
18%, after being spaced 10 seconds (s), add the cation poly-third poly-third that mass percentage concentration is 0.1%
Acrylamide, addition is the 150ppm (1/ppm: million) of slurry absolute dry mass, stirring
After 10s, adding mass percentage concentration is the bentonite of 1%, and addition is slurry absolute dry mass
2250ppm, after high-speed stirred 10s, adds amphiprotic polyacrylamide, and addition is that slurry is exhausted
The 100ppm of dry mass.After stirring 10s, carry out drainage detection and handsheet, and detect handsheet
Intensity.Freedom, i.e. pulp freeness value, be the paper pulp measuring by standard method of test and representing
The drainage capacity of suspension.
Comparative example 2
Take needlebush bleached kraft pulp that freedom is 400ml, freedom is the broad-leaved of 350ml
Wood bleached kraft pulp and the alkaline hydrogen peroxide thermomechanical pulp that freedom is 280ml, according to
The ratio of 20%: 65%: 15% carries out being mixed to prepare fibre stuff, and the percent mass of fibre stuff is dense
Degree is 1%.Take above-mentioned fibre stuff, add the lightweight of absolute dry mass is slurry absolute dry mass 20%
Pearl filler suspension, in filler suspension, the weight/mass percentage composition of precipitated calcium carbonate is 18%,
After the 10s of interval, being sequentially added into the sodium montmorillonite of 3 kg/ton over dry fillers, 3 kg/ton are exhausted
The carboxymethyl cellulose of filler stem and the polyamide polyamine epichlorhydrin of 2 kg/ton over dry fillers
Resin.After the 10s of interval, add poly-third polyacrylamide of cation that mass percentage concentration is 0.1%,
Addition is the 150ppm of slurry absolute dry mass, and after stirring 10s, adding mass percentage concentration is
The bentonite of 1%, addition is the 2250ppm of slurry absolute dry mass, after high-speed stirred 10s, then
Adding amphiprotic polyacrylamide, addition is the 100ppm of slurry absolute dry mass, after stirring 10s,
Carry out drainage detection and handsheet, and detect the intensity of handsheet.
Embodiment 1
Take the filler suspension that weight/mass percentage composition is 18% of a certain amount of precipitated calcium carbonate, stirring
During, it is sequentially added into the sodium montmorillonite of 1.5 kg/ton over dry fillers, 3 kg/ton over dry
The carboxymethyl cellulose of filler, sodium montmorillonite and carboxymethyl cellulose addition point are respectively separated
1min～5min, after addition sodium montmorillonite and carboxymethyl cellulose terminate, continues stirring 15min,
And on high speed dispersor, disperse 5min, i.e. obtain modified filler mixed liquor.
Take needlebush bleached kraft pulp that freedom is 400ml, freedom is the broad-leaved of 350ml
Wood bleached kraft pulp and the alkaline hydrogen peroxide thermomechanical pulp that freedom is 280ml, according to
The ratio of 20%: 65%: 15% carries out being mixed to prepare fibre stuff, and the percent mass of fibre stuff is dense
Degree is 1%.Take above-mentioned fibre stuff, add the lightweight of absolute dry mass is slurry absolute dry mass 20%
Pearl filler suspension, after being sufficiently mixed stirring 3min, adds 1 kg/ton over dry filler
Polyamide polyamine epichlorhydrin resin；After the 10s of interval, adding mass percentage concentration is 0.1%
Poly-third polyacrylamide of cation, addition is the 150ppm of slurry absolute dry mass, stirs 10s
After, adding mass percentage concentration is the bentonite of 1%, and addition is slurry absolute dry mass
2250ppm, after high-speed stirred 10s, adds amphiprotic polyacrylamide, and addition is that slurry is exhausted
The 100ppm of dry mass, after stirring 10s, carries out drainage detection and handsheet, and detects handsheet
Intensity.
Embodiment 2
Take the filler suspension that weight/mass percentage composition is 18% of a certain amount of precipitated calcium carbonate, stirring
During, it is sequentially added into the sodium montmorillonite of 3 kg/ton over dry fillers, 3 kg/ton over dry are filled out
Material carboxymethyl cellulose, sodium montmorillonite and carboxymethyl cellulose addition point be respectively separated 1min～
5min, after addition sodium montmorillonite and carboxymethyl cellulose terminate, continuation stirring 15min, and in
Disperse 5min on high speed dispersor, i.e. obtain modified filler mixed liquor.
Take needlebush bleached kraft pulp that freedom is 400ml, freedom is the broad-leaved of 350ml
Wood bleached kraft pulp and the alkaline hydrogen peroxide thermomechanical pulp that freedom is 280ml, according to
The ratio of 20%: 65%: 15% carries out being mixed to prepare fibre stuff, and the percent mass of fibre stuff is dense
Degree is 1%.Take above-mentioned fibre stuff, add the lightweight of absolute dry mass is slurry absolute dry mass 20%
Pearl filler suspension, after being sufficiently mixed stirring 3min, adds 2 kg/ton over dry fillers
Polyamide polyamine epichlorhydrin resin；After the 10s of interval, adding mass percentage concentration is 0.1%
Poly-third polyacrylamide of cation, addition is the 150ppm of slurry absolute dry mass, stirs 10s
After, adding mass percentage concentration is the bentonite of 1%, and addition is slurry absolute dry mass
2250ppm, after high-speed stirred 10s, adds amphiprotic polyacrylamide, and addition is that slurry is exhausted
The 100ppm of dry mass, after stirring 10s, carries out drainage detection and handsheet, and detects handsheet
Intensity.
Embodiment 3
Take the filler suspension that weight/mass percentage composition is 18% of a certain amount of precipitated calcium carbonate, stirring
During, it is sequentially added into the sodium montmorillonite of 6 kg/ton over dry fillers, 3 kg/ton over dry are filled out
Material carboxymethyl cellulose, sodium montmorillonite and carboxymethyl cellulose addition point be respectively separated 1min～
5min, after dosing terminates, continues stirring 15min, and disperses 5min on high speed dispersor, i.e.
Obtain modified filler mixed liquor.
Take needlebush bleached kraft pulp that freedom is 400ml, freedom is the broad-leaved of 350ml
Wood bleached kraft pulp and the alkaline hydrogen peroxide thermomechanical pulp that freedom is 280ml, according to
The ratio of 20%: 65%: 15% carries out being mixed to prepare fibre stuff, and the percent mass of fibre stuff is dense
Degree is 1%.Take above-mentioned fibre stuff, add the lightweight of absolute dry mass is slurry absolute dry mass 20%
Pearl filler suspension, after being sufficiently mixed stirring 3min, adds 3 kg/ton over dry fillers
Polyamide polyamine epichlorhydrin resin；After the 10s of interval, adding mass percentage concentration is 0.1%
Poly-third polyacrylamide of cation, addition is the 150ppm of slurry absolute dry mass, stirs 10s
After, adding mass percentage concentration is the bentonite of 1%, and addition is slurry absolute dry mass
2250ppm, after high-speed stirred 10s, adds amphiprotic polyacrylamide, and addition is that slurry is exhausted
The 100ppm of dry mass, after stirring 10s, carries out drainage detection and handsheet, and detects handsheet
Intensity.
Table one is addition sodium montmorillonite, CMC and PAE in comparative example 1-2, embodiment 1-3
Amount；
Table two is each properties of product test result in comparative example 1-2, embodiment 1-3；
Table one
Table two
As can be seen from Table II, add in fibre stuff through modified precipitated calcium carbonate filler
After, the turbidity of slurry is decreased obviously, and the cladding at sodium montmorillonite and carboxymethyl cellulose is described,
And under the bridging action of polyamide polyamine epichlorhydrin resin, between precipitated calcium carbonate and fiber
Having had firm combination, therefore the retention of precipitated calcium carbonate rises, slurry turbidity reduction；From by force
Degree aspect is it can be seen that the tear index of paper of embodiment 1-3, burst index, anti-tensile refer to
Number, cohesiveness etc. are all obviously improved.Wherein, light at sodium montmorillonite addition 3kg/ ton over dry
Matter pearl filler, carboxymethyl cellulose consumption 3kg/ ton over dry precipitated calcium carbonate filler, polyamide
In the case of polymeric amine epichlorohydrin resin demand 2kg/ ton over dry precipitated calcium carbonate filler, effect is
Good.
These are only embodiments of the present invention, not thereby limit the scope of the claims of the present invention, all
It is the equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process conversion, or directly
Connect or be indirectly used in other relevant technical fields, be the most in like manner included in the patent protection of the present invention
In the range of.
Claims (16)
1. a filler mixed liquor, it is characterised in that described filler mixed liquor includes: lightweight carbon
Acid calcium and water mix filler suspension, the montmorillonite being dispersed in described filler suspension and
Carboxymethyl cellulose, wherein, described montmorillonite and carboxymethyl cellulose are coated on described lightweight carbonic acid
On calcium, described montmorillonite is sodium montmorillonite, described montmorillonite and the quality of described precipitated calcium carbonate
Ratio is 1～6: 1000.
Filler mixed liquor the most according to claim 1, it is characterised in that described carboxymethyl
The mass ratio of cellulose and described precipitated calcium carbonate is 0.5～5: 1000.
Filler mixed liquor the most according to claim 1, it is characterised in that described filler hangs
The weight/mass percentage composition of the described precipitated calcium carbonate in turbid liquid is 5%～60%.
4. the preparation method of a filler mixed liquor, it is characterised in that described method includes:
Precipitated calcium carbonate is added water and is configured to filler suspension；
In described filler suspension, add montmorillonite and carboxymethyl cellulose, by described montmorillonite and
Carboxymethyl cellulose is dispersed in described filler suspension, obtains described montmorillonite and carboxymethyl cellulose
Element is coated on the filler mixed liquor on described precipitated calcium carbonate, and described montmorillonite is sodium montmorillonite,
The mass ratio of described montmorillonite and described precipitated calcium carbonate is 1～6: 1000.
Method the most according to claim 4, it is characterised in that described carboxymethyl cellulose
It is 0.5～5: 1000 with the mass ratio of described precipitated calcium carbonate.
Method the most according to claim 4, it is characterised in that in described filler suspension
The weight/mass percentage composition of described precipitated calcium carbonate be 5%～60%.
Method the most according to claim 4, it is characterised in that described montmorillonite is with described
It is 1～5 minute that carboxymethyl cellulose adds the time interval of described filler suspension.
8. the manufacture method of a paper, it is characterised in that described method includes:
Precipitated calcium carbonate is added water and is configured to filler suspension；
In described filler suspension, add montmorillonite and carboxymethyl cellulose, by described montmorillonite and
Carboxymethyl cellulose is dispersed in described filler suspension, obtains described montmorillonite and carboxymethyl cellulose
Element is coated on the filler mixed liquor on described precipitated calcium carbonate, and described montmorillonite is sodium montmorillonite,
The mass ratio of described montmorillonite and described precipitated calcium carbonate is 1～6: 1000；
After described filler mixed liquor and fibre stuff being mixed, manufacture paper.
Method the most according to claim 8, it is characterised in that described described filler is mixed
Close liquid and fibre stuff mixes, manufacture the step of paper, including:
Described filler mixed liquor and fibre stuff are mixed, it is thus achieved that described filler mixed liquor and fibre
The mixture of dimension slurry；
Polyamide polyamine epoxy chlorine is added in the mixture of described filler mixed liquor and fibre stuff
After propane resin, manufacture paper.
Method the most according to claim 9, it is characterised in that described polyamide polyamine ring
The mass ratio of oxygen chloropropane resin and described precipitated calcium carbonate is 1～3: 1000.
11. methods according to claim 9, it is characterised in that described polyamide polyamine ring
With described carboxylic first in the mixture of the oxygen chloropropane resin described filler mixed liquor of addition and fibre stuff
Base cellulose and described montmorillonite add the time point interval of described filler suspension and are respectively 1～5
Minute.
12. methods according to claim 9, it is characterised in that described polyamide polyamine ring
The molecular weight of oxygen chloropropane resin≤100,000 dalton.
13. methods according to claim 12, it is characterised in that described polyamide polyamine
The molecular weight of epichlorohydrin resin≤80,000 dalton.
14. methods according to claim 8, it is characterised in that described carboxymethyl cellulose
It is 0.5～5: 1000 with the mass ratio of described precipitated calcium carbonate.
15. methods according to claim 8, it is characterised in that in described filler suspension
The weight/mass percentage composition of described precipitated calcium carbonate be 5%～60%.
16. methods according to claim 8, it is characterised in that described fibre stuff includes
More than one in long fibre, chopped fiber and mechanical pulp.
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| CN201410258486.9A CN104018395B (en) | 2014-06-11 | 2014-06-11 | A kind of filler mixed liquor and preparation method thereof, the manufacture method of paper |
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| CN201410258486.9A CN104018395B (en) | 2014-06-11 | 2014-06-11 | A kind of filler mixed liquor and preparation method thereof, the manufacture method of paper |
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| CN104018395A CN104018395A (en) | 2014-09-03 |
| CN104018395B true CN104018395B (en) | 2016-11-23 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5492560A (en) * | 1993-11-10 | 1996-02-20 | Minerals Technologies, Inc. | Treatment of inorganic pigments with carboxymethylcellulose compounds |
| CN101871181A (en) * | 2003-12-22 | 2010-10-27 | 埃卡化学公司 | The filler that is used for papermaking process |
| CN103154367A (en) * | 2010-10-15 | 2013-06-12 | 塞雷拉斯控股有限责任公司 | Filler composition and method of producing composite materials |
| CN103476874A (en) * | 2011-04-01 | 2013-12-25 | Omya国际股份公司 | Process for preparing self-binding pigment particles |
| CN103806336A (en) * | 2012-11-09 | 2014-05-21 | 王慧 | Filler treatment method for increasing paper strength |
-
2014
- 2014-06-11 CN CN201410258486.9A patent/CN104018395B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5492560A (en) * | 1993-11-10 | 1996-02-20 | Minerals Technologies, Inc. | Treatment of inorganic pigments with carboxymethylcellulose compounds |
| CN101871181A (en) * | 2003-12-22 | 2010-10-27 | 埃卡化学公司 | The filler that is used for papermaking process |
| CN103154367A (en) * | 2010-10-15 | 2013-06-12 | 塞雷拉斯控股有限责任公司 | Filler composition and method of producing composite materials |
| CN103476874A (en) * | 2011-04-01 | 2013-12-25 | Omya国际股份公司 | Process for preparing self-binding pigment particles |
| CN103806336A (en) * | 2012-11-09 | 2014-05-21 | 王慧 | Filler treatment method for increasing paper strength |
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| CN104018395A (en) | 2014-09-03 |
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