CN104611986A - Preparation method and application of amphoteric packing - Google Patents
Preparation method and application of amphoteric packing Download PDFInfo
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- CN104611986A CN104611986A CN201510047277.4A CN201510047277A CN104611986A CN 104611986 A CN104611986 A CN 104611986A CN 201510047277 A CN201510047277 A CN 201510047277A CN 104611986 A CN104611986 A CN 104611986A
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Abstract
The invention discloses a preparation method and application of an amphoteric packing. The preparation method of the amphoteric packing comprises the following steps: adding a packing modifier to an initial packing, and fully stirring to obtain a modified packing; adding strong negative soapstone to the modified packing, and fully stirring to obtain a composite packing; and adding a packing fixation agent to the composite packing, fully stirring and mixing evenly to obtain the amphoteric packing. In the manner, the retention rate of the packing in a pulp fiber can be increased under the premise of not increasing the papermaking cost; and the paper finishing quality is improved.
Description
Technical field
The present invention relates to field of papermaking, particularly relate to a kind of preparation method and application thereof of both sexes filler.
Background technology
In field of papermaking, along with popularizing of neutual-alkaline papermaking, for reaching the object reducing production cost and improve paper physical property, usually can select the mode of adding calcium carbonate more.Calcium carbonate source, primarily of grinding calcium carbonate (GCC) and winnofil (PCC) two kinds formation, because PCC has comparatively high length-diameter ratio, is beneficial to it and keeps the gap formed in green end pulp fiber intertexture.Along with improving constantly of paper machine speed, green end vacuumizes moment displacement and strengthens, and certainly will cause the filler originally kept in pulp fiber gap in a large number in loss what machine water, so, easily cause production cost obviously to rise and paper machine operation difficulty.Now, promote the retention of filler in pulp fiber according to traditional approach such as increase retention agents, easily cause paper to interweave and be deteriorated, larger negative effect is formed to paper quality.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of preparation method and application thereof of both sexes filler, by this both sexes applying filler in papermaking, under the prerequisite not increasing papermaking cost, can promote the retention of filler in pulp fiber, improve into paper product matter.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the preparation method providing a kind of both sexes filler, and described method comprises: in initial fillers, add filling modifier and fully stir, obtaining modified filler; In described modified filler, add reinforcing yin essence talcum and fully stir, obtaining compounded mix; In described compounded mix, add filler sticking agent, be fully uniformly mixed and obtain described both sexes filler.
Wherein, the addition of described filling modifier is 100-150kg/ ton initial fillers; The addition of described reinforcing yin essence talcum is 200-300kg/ ton initial fillers; The addition of described filler sticking agent is 0.1-1kg/ ton initial fillers.
Wherein, described filling modifier is at least one in cationic starch, cationic polyacrylamide or cation guar gum, and described filler sticking agent is at least one of anionic polyacrylamide or acrylamide copolymer.
Wherein, describedly in described modified filler, add reinforcing yin essence talcum and before well-beaten step, also comprise: by the concentration dilution to 1 ‰ of described modified filler, the surface charge PCD value controlling the described modified filler after dilution is+1200 ~+1400 μ eq/L.
Wherein, described in described compounded mix, add the step of filler sticking agent before, also comprise: by the concentration dilution to 1 ‰ of described compounded mix, the surface charge PCD value of described compounded mix controlled after dilution is-20 ~-30 μ eq/L.
Wherein, the concentration of described reinforcing yin essence talcum is 10-15%.
Wherein, the average grain diameter of described both sexes filler is 15-20 micron.
Wherein, described filling modifier adds in the packing pump porch at filler outlet place; Described reinforcing yin essence talcum adds in the packing pump porch in filler working tank exit; Described filler sticking agent adds in the packing pump porch in filler blending tank exit.
Wherein, described initial fillers is average grain diameter is 2.0-2.5 micron, the winnofil of surface charge PCD value+400 ~+600 μ eq/L; The concentration of described initial fillers is 16-20%.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide the application of both sexes filler in papermaking that a kind of above-mentioned preparation method prepares.
The invention has the beneficial effects as follows: it is by the Synchronous lifting of retention agent consumption adding filler in promoting and match that traditional greyness of paper promotes the means adopted, but mass filler can be caused thus to run off in machine water, cause that white water consistency is abnormal to be raised; Simultaneously because of the significantly lifting of retention agent, paper intertexture and comprehensive strength is become also can be obviously deteriorated.Be different from prior art, the present invention is filler modified by adopting, filler compound, filler set three-step-march measure, to filler carry out modified again with talcum compound to form both sexes compounded mix, both sexes compounded mix carried out set by sticking agent more relatively stable to obtain form, and the both sexes filler that average particle diameter size is larger, (15 ~ 20 μm) and surface charge are the significant advantage of both sexes comparatively greatly to utilize its average particle diameter size, the gap of paper microstructure can be retained in well, there is certain buttressing effect to the Inter-fiber voids place of paper microstructure simultaneously, thus under one-tenth paper ash divides the prerequisite of lifting, still have and become paper thickness preferably.
Accompanying drawing explanation
Fig. 1 is the flow chart of the preparation method of a kind of both sexes filler that the embodiment of the present invention provides.
Detailed description of the invention
Consult Fig. 1, Fig. 1 is the flow chart of the preparation method of a kind of both sexes filler that the embodiment of the present invention provides, and the preparation method of the both sexes filler of the present embodiment comprises:
S101: add filling modifier and fully stir in initial fillers, obtaining modified filler;
In the embodiment of the present invention, initial fillers selects average grain diameter 2.0 ~ 2.5 μm, and surface charge PCD value is the winnofil (PCC) of+400 ~+600 μ eq/L, can be fusiform PCC or needle-like PCC.Concentration controls as 16-20%.
By filling modifier, the strong sunization process of supersaturation is carried out to initial fillers.Wherein, filling modifier can be selected from least one in cationic starch, cationic polyacrylamide or cation guar gum.
Preferably, add filling modifier in the packing pump porch at filler outlet place, obtain modified filler to utilize the packing pump at filler outlet place to be uniformly mixed fully, then modified filler is squeezed in filler working tank.
Preferably, the addition of filling modifier is 100-150kg/ ton initial fillers.
Preferably, after modified filler squeezes into filler working tank, by the concentration dilution to 1 of modified filler ‰, the surface charge PCD value controlling the modified filler after dilution is+1200 ~+1400 μ eq/L.
S102: add reinforcing yin essence talcum and fully stir in modified filler, obtaining compounded mix;
In modified filler, add reinforcing yin essence talcum, the concentration of reinforcing yin essence talcum controls as 10-15%.Wherein, the addition of reinforcing yin essence talcum is preferably 200-300kg/ ton initial fillers.
Preferably, add reinforcing yin essence talcum in the packing pump porch in filler working tank exit, obtain compounded mix to utilize the packing pump in filler working tank exit to be uniformly mixed fully, then compounded mix is squeezed into filler blending tank.
Preferably, after compounded mix is squeezed into filler blending tank, by the concentration dilution to 1 of compounded mix ‰, the surface charge PCD value controlling the compounded mix after dilution is-20 ~-30 μ eq/L.
S103: add filler sticking agent and be fully uniformly mixed and obtain both sexes filler in compounded mix;
Filler sticking agent is added in compounded mix, relatively stable to obtain form to utilize sticking agent compounded mix to be carried out set, and the both sexes filler of average particle diameter size comparatively large (15 ~ 20 μm).
Wherein, filler sticking agent is selected from least one of anionic polyacrylamide or acrylamide copolymer.
Wherein, the addition of filler sticking agent is preferably 0.1-1kg/ ton initial fillers.
Preferably, filler sticking agent is added in the packing pump porch in filler blending tank exit, obtain both sexes filler after being uniformly mixed fully to utilize the packing pump in filler blending tank exit, this both sexes filler is squeezed into blending chest, for paper making.
Carry out online modification through above-mentioned method to filler, filler average grain diameter is after treatment promoted to 15 ~ 20 μm, and surface charge properties PCD value is adjusted to both sexes partially cloudy (PCD value is-20 ~-30 μ eq/L) by the original positive.By this both sexes applying filler in papermaking, under the prerequisite not increasing papermaking cost, the retention of filler in pulp fiber can be promoted, improve into paper product matter.
The preparation method of the both sexes filler of the above embodiment of the present invention, filler modified by adopting, filler compound, filler set three-step-march measure, to filler carry out modified again with talcum compound to form both sexes compounded mix, both sexes compounded mix carried out set by sticking agent more relatively stable to obtain form, and the both sexes filler that average particle diameter size is larger, (15 ~ 20 μm) and surface charge are the significant advantage of both sexes comparatively greatly to utilize its average particle diameter size, the gap of paper microstructure can be retained in well, there is certain buttressing effect to the Inter-fiber voids place of paper microstructure simultaneously, thus under one-tenth paper ash divides the prerequisite of lifting, still have and become paper thickness preferably.
On basis based on the preparation method of a kind of both sexes filler provided above, the present invention further provides the application of both sexes filler in papermaking that a kind of above-mentioned preparation method prepares.Add in paper making pulp by the both sexes filler that above-mentioned preparation method is prepared, the larger particle diameter of this both sexes filler and surface charge is utilized to be the advantage of both sexes, the gap of paper microstructure can well be trapped in, there is certain buttressing effect to the Inter-fiber voids place of paper microstructure simultaneously, therefore, while lifting greyness of paper, the certain thickness of paper can be also held in.
In order to the present invention is described in further detail, be described in detail below by way of several specific embodiment:
Embodiment 1 ~ 3:
Initial fillers PCC: adopt needle-like PCC; Filling modifier: select cationic starch; Sticking agent: select anionic polyacrylamide.Join papermaking material: mechanical pulp adopts APMP slurry, bleach chemical pulp is LBKP slurry and NBKP slurry.
Initial fillers concentration in filler storage tank is 16%, cationic starch is added in the packing pump porch of filler storage tank, the addition of cationic starch is 100kg/ ton initial fillers, after Homogeneous phase mixing, concentration 10% talcum is added in the packing pump porch of filler working tank, talcum addition is 200kg/ ton initial fillers, after Homogeneous phase mixing, filler sticking agent is added in the packing pump porch of filler blending tank, the addition of filler sticking agent is 0.1kg/ ton initial fillers, both sexes filler is obtained after Homogeneous phase mixing, again both sexes filler is mixed into manufacture paper with pulp (the both sexes filler addition 100kg/ ton slurry) that green end paste system carries out paper.
Embodiment 4 ~ 6:
Initial fillers PCC: adopt needle-like PCC; Filling modifier: select cationic polyacrylamide; Sticking agent: select anionic polyacrylamide.Join papermaking material: mechanical pulp adopts APMP slurry, bleach chemical pulp is LBKP slurry and NBKP slurry.
Initial fillers concentration in filler storage tank is 20%, cationic starch is added in the packing pump porch of filler storage tank, the addition of cationic starch is 150kg/ ton initial fillers, after Homogeneous phase mixing, adding concentration in the packing pump porch of filler working tank is 15% talcum, the addition of talcum is 300kg/ ton initial fillers, after Homogeneous phase mixing, filler sticking agent is added in the packing pump porch of filler blending tank, the addition of filler sticking agent is 1kg/ ton initial fillers, both sexes filler is obtained after Homogeneous phase mixing, both sexes filler is mixed into again manufacture paper with pulp (the both sexes filler addition 100kg/ ton slurry) that green end paste system carries out paper.
The paper prepare above embodiment and the paper of common process carry out performance test, and performance test result refers to following table 1:
Table 1: the paper performance of common process and the above embodiments of the present application contrasts
From table 1, relative to the papermaking of routine, adopt both sexes filler of the present invention to add in pulp, obtained paper is while paper ash divides lifting, and paper sheet thickness, tensile index and cohesive force all improve.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a preparation method for both sexes filler, is characterized in that, described method comprises:
In initial fillers, add filling modifier and fully stir, obtaining modified filler;
In described modified filler, add reinforcing yin essence talcum and fully stir, obtaining compounded mix;
In described compounded mix, add filler sticking agent, be fully uniformly mixed and obtain described both sexes filler.
2. preparation method according to claim 1, is characterized in that, the addition of described filling modifier is 100-150kg/ ton initial fillers; The addition of described reinforcing yin essence talcum is 200-300kg/ ton initial fillers; The addition of described filler sticking agent is 0.1-1kg/ ton initial fillers.
3. preparation method according to claim 1, is characterized in that, described filling modifier is at least one in cationic starch, cationic polyacrylamide or cation guar gum; Described filler sticking agent is at least one of anionic polyacrylamide or acrylamide copolymer.
4. preparation method according to claim 1, it is characterized in that, describedly in described modified filler, add reinforcing yin essence talcum and before well-beaten step, also comprise: by the concentration dilution to 1 ‰ of described modified filler, the surface charge PCD value controlling the described modified filler after dilution is+1200 ~+1400 μ eq/L.
5. preparation method according to claim 1, it is characterized in that, described in described compounded mix, add the step of filler sticking agent before, also comprise: by the concentration dilution to 1 ‰ of described compounded mix, the surface charge PCD value controlling the described compounded mix after dilution is-20 ~-30 μ eq/L.
6. preparation method according to claim 1, is characterized in that, the concentration of described reinforcing yin essence talcum is 10-15%.
7. preparation method according to claim 1, is characterized in that, the average grain diameter of described both sexes filler is 15-20 micron.
8. preparation method according to claim 1, is characterized in that, described filling modifier adds in the packing pump porch at filler outlet place; Described reinforcing yin essence talcum adds in the packing pump porch in filler working tank exit; Described filler sticking agent adds in the packing pump porch in filler blending tank exit.
9. preparation method according to claim 1, is characterized in that, described initial fillers is average grain diameter is 2.0-2.5 micron, the winnofil of surface charge PCD value+400 ~+600 μ eq/L; The concentration of described initial fillers is 16-20%.
10. the application of both sexes filler in papermaking that prepare of preparation method described in an any one of claim 1-9.
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Cited By (2)
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CN104878656A (en) * | 2015-05-28 | 2015-09-02 | 金东纸业(江苏)股份有限公司 | Papermaking method |
CN108824074A (en) * | 2018-08-13 | 2018-11-16 | 冠宏化工(扬州)有限公司 | The filler and its preparation process of a kind of polymerization of surface active and the application on manufacture paper |
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US6824651B2 (en) * | 2001-11-02 | 2004-11-30 | Luzenec America, Inc. | Talc composition and use in paper products |
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CN103343480A (en) * | 2013-07-02 | 2013-10-09 | 金东纸业(江苏)股份有限公司 | Modified packing and preparation method thereof as well as papermaking technology adopting modified packing and paper |
CN103397561A (en) * | 2013-07-30 | 2013-11-20 | 中国制浆造纸研究院 | Method for increasing ash content of paper |
CN103981756A (en) * | 2014-05-22 | 2014-08-13 | 金东纸业(江苏)股份有限公司 | Method for processing papermaking mechanical pulp |
CN104053836A (en) * | 2012-01-16 | 2014-09-17 | 凯米罗总公司 | Method for producing paper, board or the like and agglomerate |
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US6824651B2 (en) * | 2001-11-02 | 2004-11-30 | Luzenec America, Inc. | Talc composition and use in paper products |
CN104053836A (en) * | 2012-01-16 | 2014-09-17 | 凯米罗总公司 | Method for producing paper, board or the like and agglomerate |
CN102561105A (en) * | 2012-01-17 | 2012-07-11 | 盱眙中源新材料科技有限公司 | Cationic paper-making composite retention aid, as well as preparation method and application method thereof |
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CN104878656A (en) * | 2015-05-28 | 2015-09-02 | 金东纸业(江苏)股份有限公司 | Papermaking method |
CN108824074A (en) * | 2018-08-13 | 2018-11-16 | 冠宏化工(扬州)有限公司 | The filler and its preparation process of a kind of polymerization of surface active and the application on manufacture paper |
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