CN102493277B - Alkenyl succinic anhydride sizing agent emulsion and preparation method thereof - Google Patents
Alkenyl succinic anhydride sizing agent emulsion and preparation method thereof Download PDFInfo
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- CN102493277B CN102493277B CN201110404570.3A CN201110404570A CN102493277B CN 102493277 B CN102493277 B CN 102493277B CN 201110404570 A CN201110404570 A CN 201110404570A CN 102493277 B CN102493277 B CN 102493277B
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- succinic anhydride
- alkenyl succinic
- water
- waste residue
- sizing agent
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Abstract
The invention relates to the field of sizing agents in the papermaking industry, in particular to alkenyl succinic anhydride sizing agent emulsion, which comprises white mud waste residue, alkenyl succinic anhydride and water, wherein a mass ratio of the alkenyl succinic anhydride to the water is 1:(1-4), and a mass ratio of the white mud waste residue to the alkenyl succinic anhydride is 1:(20-1,000). The preparation method comprises the following steps of: dispersing the white mud waste residue into the alkenyl succinic anhydride, adding the water, and mixing uniformly; or dispersing the white mud waste residue into the water, and uniformly mixing with the alkenyl succinic anhydride to prepare the stable oil-in-water (O/W) alkenyl succinic anhydride (ASA) emulsion. The industrial waste residue is recycled, and virtuous economic cycle is realized; the white mud serving as an emulsifier is lower in consumption compared with an inorganic nano-material serving as an emulsifier; under the condition of low consumption of the emulsifier, a good sizing effect can be achieved, so that the emulsification cost is lower; the alkenyl succinic anhydride sizing agent emulsion has the advantages of simple emulsification process and high concentration of the prepared emulsion; and after the alkenyl succinic anhydride sizing agent emulsion is diluted with water and added into a paper stock for sizing in pulp, and the sizing efficiency is high.
Description
technical field
The present invention relates to paper industry sizing agent field, particularly a kind of Alkenyl succinic anhydride sizing agent emulsion, also relates to the preparation method of described Alkenyl succinic anhydride sizing agent emulsion.
background technology
According to Chinese industrial report 2008, world's soda ash production capacity was mainly distributed in China, North America and Europe, accounts for 85 % of global aggregated capacity.To the year ends 2006, Chinese soda ash production capacity reaches 1,720 ten thousand t, accounts for 34 % of global aggregated capacity, occupies the first in the world, and Europe and North America account for respectively 29% and 23%.Every production 1t soda ash approximately discharges 0.3 ~ 0.6t alkaline residue, is commonly called as " white alkali-making mud ".Calculate accordingly, " white clay " that China is produced by alkaline industry be every year 6,800,000 t nearly.Pulp and paper making similarly can produce a large amount of causticization white claies (also claiming paper white sludge) in black liquor alkali recovery process, and character and white alkali-making mud are close.The thick slurry of every production 1 t will produce nearly 0.5 t white clay, and the annual white clay producing in national paper mill exceedes 3,000,000 t.Therefore nearly 1 000 ten thousand t left and right of the annual white clay producing of China, in these white claies, only have small part utilized at present, major part is all outdoor stacking, not only take a large amount of soils, contaminated environment, consume a large amount of human and material resources, financial resources and managed, and wasted resources a large amount of in white clay.If can rationally utilize this class white clay, not only solve white clay outlet and problem of environmental pollution, and can significantly reduce entreprise cost, improve enterprise competitiveness.Paper white sludge main component is CaO, SiO
2deng, also contain magnesium salts and molysite partly.White alkali-making mud is mainly with CaCO
3, CaSO
4, CaCl
2deng calcium salt composition, also has a small amount of SiO
2.The amount of the annual white clay producing is huge, up to the present, and the real industrial applications of white clay few, just small part utilization, need scientific worker to actively develop scientific research, explore new white clay comprehensive utilization technique, many-sided effort could progressively solve China's white clay problem of outlet.
Alkenyl succinic anhydride, is called for short ASA, is the water-fast material of oily, for paper sizing, has that sizing efficiency is high, slaking fast, the feature of pH value wide accommodation as reactive sizing agent, is widely used in the plasm-glue-blending of fine paper and cardboard.ASA must make water-based emulsion while being used as internal sizing agent joins in slurry, but ASA facile hydrolysis, need to be in the on-the-spot emulsification of machine room.Conventional ASA emulsifying agent has cationic starch, Yang ∕ anionic polyacrylamide or surfactant, and compound.Because starch needs first gelatinization, cooling re-using afterwards, emulsifying process complexity, wayward, thus and low-molecular-weight surfactant can, to the sizing efficiency of paper migration reduction ASA, also can produce bubble-related issues.Therefore, the emulsification method of the ASA of more easy, the easy row of development and to improve emulsification system be the important channel that paper industry improves ASA sizing efficiency to the emulsifiability of ASA.
In recent years, develop some inorganic particles as ASA emulsifying agent, use these emulsifying agents can not only prepare stable ASA emulsion, and sizing efficiency has been high.As the application number Chinese invention patent application that is 200910020447.4, a kind of preparation method of ASA papermaking sizing agent emulsion of high stability is disclosed, this method is fine to the emulsifying effectiveness of ASA, but has inevitably used a small amount of weak base, can accelerate the hydrolysis of ASA; Identical applicant has applied for that again application number is 200810017130.0 and is called " a kind of preparation method of ASA paper-making sizing agent emulsion " and application number is 201110061783.0 applications for a patent for invention that are called " a kind of self-emulsifying alkenyl succinic anhydride sizing agent and preparation method thereof ", the thinking of two patent schemes is all to use the stabilizing agent of inorganic particles as ASA sizing agent emulsion substantially, these two kinds of method emulsifying process are simple but because the emulsifying agent using is inorganic nano material bentonite, hydrotalcite and titanium dioxide, have the problem that cost is relatively high.
summary of the invention
In order to solve pollution and the resource problem of white clay waste residue, while, for deficiency and the relatively high problem of inorganic nano material cost of the emulsifying technology of existing ASA, the invention provides a kind of Alkenyl succinic anhydride sizing agent emulsion of white clay waste residue as emulsifying agent that utilize.
Another object of the present invention is to provide the preparation method of described Alkenyl succinic anhydride sizing agent emulsion.
The present invention is achieved by the following measures:
A kind of Alkenyl succinic anhydride sizing agent emulsion, contain white clay waste residue, alkenyl succinic anhydride (ASA) and water, ASA is the various ASA industrial products for paper-making sizing without emulsification that exist with liquid form under normal temperature, and wherein the mass ratio of alkenyl succinic anhydride and water is 1:1 ~ 4; The mass ratio of white clay waste residue and alkenyl succinic anhydride is 1:19 ~ 2000.
The causticization white clay (also claiming paper white sludge) that the white alkali-making mud that described white clay waste residue is alkaline industry or pulp and paper making produce in black liquor alkali recovery process.
Described Alkenyl succinic anhydride sizing agent emulsion, preferably the mass ratio of alkenyl succinic anhydride and water is 1:1 ~ 3.
Described Alkenyl succinic anhydride sizing agent emulsion, preferably the mass ratio of white clay waste residue and alkenyl succinic anhydride is 1:98 ~ 625.
Described Alkenyl succinic anhydride sizing agent emulsion, preferably the mass ratio of alkenyl succinic anhydride and water is 1:1, the mass ratio of white clay waste residue and alkenyl succinic anhydride is 1:250.
A preparation method for Alkenyl succinic anhydride sizing agent emulsion, can be that white clay waste residue is distributed in alkenyl succinic anhydride, then add water to mix; Or white clay waste residue is distributed in water, then mix with alkenyl succinic anhydride, prepare stable O/W type ASA emulsion.
In preparation method of the present invention, mechanical shearing effect in related mixed process can be provided by any stirring or mechanical shearing equipment, and industrial conventional emulsifying device has venturi emulsifying device, turbine emulsifying device and Cavitron system and centrifugal multistage pump multiple centrifugal pump.If common mixing plant requires 2000 ~ 11000 revs/min of mixing speeds, preferred rotating speed is 5000 ~ 11000 revs/min; Mixing time is 1 ~ 15 minute, and the preferred time is 3 ~ 5 minutes.
The present invention has following outstanding advantages and effect:
1. utilize the white alkali-making mud of alkaline industry and the paper white sludge waste residue of paper industry generation to be applied to paper industry sizing agent field, realize the recycling of industrial residue, realize optimum economic circulation, white clay outlet and problem of environmental pollution are not only solved, and can significantly reduce entreprise cost, improve enterprise competitiveness;
2. the Alkenyl succinic anhydride sizing agent emulsion that prepared by the present invention does not need to add any surfactant and complex polyelectrolyte particle just can be emulsified into stable emulsion ASA, the emulsifier that white clay uses while making emulsifying agent as emulsifying agent than inorganic nano material is lower, and can reach good sizing efficiency under lower emulsifier, therefore emulsification cost is lower, also have advantages of that simple, the prepared emulsion of emulsifying process has concentration high simultaneously, after dilute with water emulsification, add in paper stock, carry out plasm-glue-blending, sizing efficiency is high.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, do not form any limitation of the invention.Except as otherwise indicating, all umbers in embodiment all in mass.
embodiment 1
0.05 part of paper white sludge waste residue powder is distributed in the deionized water of 100 parts, then under the mixing speed of 10000 revs/min, be distributed in 100 parts of commodity ASA, continue to stir 6 minutes, prepare stable O/W type ASA emulsion, this emulsion homogeneous, stable, not stratified in 24 hours.
Get the poplar BCTMP slurry that 100 parts of beating degrees are about 42 ° of SR and add in 9900 parts of water, after defiberizing machine is discongested, add 1 part of above-mentioned sizing agent and 1 part of Al
2(SO
4)
3, mix rear formation paper stock, and copy to the quantitative 60g/m of being by quick kayser method sheet forming apparatus
2handsheet, and through drying cylinder at 105 DEG C after dry 10min, the degree of sizing that utilizes Liquid Penetrant method (GB/T5405-2002) to record handsheet is 98s.
The emulsion of preparing was placed after 1 hour, carried out identical operation by above-mentioned steps, and the degree of sizing of measuring handsheet is 95s.This emulsion is not obvious on the impact of sizing efficiency, shows that this emulsion has good stability and water repelling property.
embodiment 2
0.1 part of paper white sludge waste residue powder is distributed in the deionized water of 100 parts, then under the mixing speed of 7000 revs/min, is distributed in 100 parts of commodity ASA, continue to stir 3 minutes, prepare stable O/W type ASA emulsion.
Get the poplar BCTMP slurry that 100 parts of beating degrees are about 42 ° of SR and add in 9900 parts of water, after defiberizing machine is discongested, add 1 part of above-mentioned sizing agent and 1 part of Al
2(SO
4)
3, mix rear formation paper stock, and copy to the quantitative 60g/m of being by quick kayser method sheet forming apparatus
2handsheet, and through drying cylinder at 105 DEG C after dry 10min, the degree of sizing that utilizes Liquid Penetrant method (GB/T5405-2002) to record handsheet is 116s.
embodiment 3
0.16 part of paper white sludge waste residue powder is distributed to the deionized water of 100 parts, then under the mixing speed of 6000 revs/min, is distributed in 100 parts of commodity ASA, continue to stir 4 minutes, prepare stable O/W type ASA emulsion.
Get the poplar BCTMP slurry that 100 parts of beating degrees are about 42 ° of SR and add in 9900 parts of water, after defiberizing machine is discongested, add 1 part of above-mentioned sizing agent and 1 part of Al
2(SO
4)
3, mix rear formation paper stock, and copy to the quantitative 60g/m of being by quick kayser method sheet forming apparatus
2handsheet, and through drying cylinder at 105 DEG C after dry 10min, the degree of sizing that utilizes Liquid Penetrant method (GB/T5405-2002) to record handsheet is 135s.
embodiment 4
0.4 part of paper white sludge waste residue powder is distributed in 100 parts of commodity ASA under the mixing speed of 8000 revs/min, then adds the deionized water of 100 parts to continue to stir 2 minutes, prepare stable O/W type ASA emulsion.
Get the poplar BCTMP slurry that 100 parts of beating degrees are about 42 ° of SR and add in 9900 parts of water, after defiberizing machine is discongested, add 1 part of above-mentioned sizing agent and 1 part of Al
2(SO
4)
3, mix rear formation paper stock, and copy to the quantitative 60g/m of being by quick kayser method sheet forming apparatus
2handsheet, and through drying cylinder at 105 DEG C after dry 10min, the degree of sizing that utilizes Liquid Penetrant method (GB/T5405-2002) to record handsheet is 143s.
embodiment 5
1 part of paper white sludge waste residue powder is distributed in 99 parts of commodity ASA under the mixing speed of 11000 revs/min, then adds the deionized water of 200 parts to continue to stir 1 minute, prepare stable O/W type ASA emulsion.
Get the poplar BCTMP slurry that 100 parts of beating degrees are about 42 ° of SR and add in 9900 parts of water, after defiberizing machine is discongested, add 1.5 parts of above-mentioned sizing agents and 1 part of Al
2(SO
4)
3, mix rear formation paper stock, and copy to the quantitative 60g/m of being by quick kayser method sheet forming apparatus
2handsheet, and through drying cylinder at 105 DEG C after dry 10min, the degree of sizing that utilizes Liquid Penetrant method (GB/T5405-2002) to record handsheet is 136s.
embodiment 6
2 parts of paper white sludge waste residue powder are distributed in 98 parts of commodity ASA under the mixing speed of 2000 revs/min, then add the deionized water of 300 parts to continue to stir 10 minutes, prepare stable O/W type ASA emulsion.
Get the poplar BCTMP slurry that 100 parts of beating degrees are about 42 ° of SR and add in 9900 parts of water,, after defiberizing machine is discongested, add 2 parts of above-mentioned sizing agents and 1 part of Al
2(SO
4)
3, mix rear formation paper stock, and copy to the quantitative 60g/m of being by quick kayser method sheet forming apparatus
2handsheet, and through drying cylinder at 105 DEG C after dry 10min, the degree of sizing that utilizes Liquid Penetrant method (GB/T5405-2002) to record handsheet is 124s.
embodiment 7
5 parts of paper white sludge waste residue powder are distributed in 95 parts of commodity ASA under the mixing speed of 8000 revs/min, then add the deionized water of 400 parts to continue to stir 5 minutes, prepare stable O/W type ASA emulsion, this emulsion homogeneous, stable, not stratified in 24 hours.
Get the poplar BCTMP slurry that 100 parts of beating degrees are about 42 ° of SR and add in 9900 parts of water, after defiberizing machine is discongested, add 2.6 parts of above-mentioned sizing agents and 1 part of Al
2(SO
4)
3, mix rear formation paper stock, and copy to the quantitative 60g/m of being by quick kayser method sheet forming apparatus
2handsheet, and through drying cylinder at 105 DEG C after dry 10min, the degree of sizing that utilizes Liquid Penetrant method (GB/T5405-2002) to record handsheet is 118s.
The emulsion of preparing was placed after 1 hour, carried out identical operation by above-mentioned steps, and the degree of sizing of measuring handsheet is 116s.This emulsion is not obvious on the impact of sizing efficiency, shows that this emulsion has good stability and water repelling property.
embodiment 8
0.16 part of white alkali-making mud waste residue powder is distributed to the deionized water of 100 parts, then under the mixing speed of 6000 revs/min, is distributed in 100 parts of commodity ASA, continue to stir 4 minutes, prepare stable O/W type ASA emulsion.
Get the poplar BCTMP slurry that 100 parts of beating degrees are about 42 ° of SR and add in 9900 parts of water, after defiberizing machine is discongested, add 1 part of above-mentioned sizing agent and 1 part of Al
2(SO
4)
3, mix rear formation paper stock, and copy to the quantitative 60g/m of being by quick kayser method sheet forming apparatus
2handsheet, and through drying cylinder at 105 DEG C after dry 10min, the degree of sizing that utilizes Liquid Penetrant method (GB/T5405-2002) to record handsheet is 116s.
embodiment 9
0.4 part of white alkali-making mud waste residue powder is distributed in 100 parts of commodity ASA under the mixing speed of 8000 revs/min, then adds the deionized water of 100 parts to continue to stir 2 minutes, prepare stable O/W type ASA emulsion.
Get the poplar BCTMP slurry that 100 parts of beating degrees are about 42 ° of SR and add in 9900 parts of water, after defiberizing machine is discongested, add 3 parts of above-mentioned sizing agents and 1 part of Al
2(SO
4)
3, mix rear formation paper stock, and copy to the quantitative 60g/m of being by quick kayser method sheet forming apparatus
2handsheet, and through drying cylinder at 105 DEG C after dry 10min, the degree of sizing that utilizes Liquid Penetrant method (GB/T5405-2002) to record handsheet is 125s.
Claims (6)
1. an Alkenyl succinic anhydride sizing agent emulsion, is characterized in that being made up of white clay waste residue, alkenyl succinic anhydride and water, wherein
The mass ratio of alkenyl succinic anhydride and water is 1:1 ~ 4; The mass ratio of white clay waste residue and alkenyl succinic anhydride is 1:19 ~ 2000;
The causticization white clay that the white alkali-making mud that described white clay waste residue is alkaline industry or pulp and paper making produce in black liquor alkali recovery process;
Obtain by following steps:
White clay waste residue is distributed in alkenyl succinic anhydride, then adds water to mix; Or white clay waste residue is distributed in water, then mixes with alkenyl succinic anhydride.
2. Alkenyl succinic anhydride sizing agent emulsion according to claim 1, the mass ratio that it is characterized in that alkenyl succinic anhydride and water is 1:1 ~ 3.
3. Alkenyl succinic anhydride sizing agent emulsion according to claim 1, the mass ratio that it is characterized in that white clay waste residue and alkenyl succinic anhydride is 1:98 ~ 625.
4. Alkenyl succinic anhydride sizing agent emulsion according to claim 1, the mass ratio that it is characterized in that alkenyl succinic anhydride and water is 1:1, the mass ratio of white clay waste residue and alkenyl succinic anhydride is 1:250.
5. Alkenyl succinic anhydride sizing agent emulsion according to claim 1, is characterized in that the mixing speed of described mixed process is 2000 ~ 11000 revs/min; Mixing time is 1 ~ 15 minute.
6. Alkenyl succinic anhydride sizing agent emulsion according to claim 1, is characterized in that the mixing speed of described mixed process is 5000 ~ 11000 revs/min; Mixing time is 3 ~ 5 minutes.
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| CN201110404570.3A CN102493277B (en) | 2011-12-08 | 2011-12-08 | Alkenyl succinic anhydride sizing agent emulsion and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1240009A (en) * | 1996-12-06 | 1999-12-29 | 埃卡化学公司 | Process for production of paper |
| CN1291249A (en) * | 1998-02-17 | 2001-04-11 | 赫尔克里士公司 | Paper sizing |
| CN1432088A (en) * | 2000-05-30 | 2003-07-23 | 赫尔克里士公司 | Use of alkenyl succinic anhydride compsns., and its uses |
| CN1546789A (en) * | 2003-12-12 | 2004-11-17 | 山东博汇纸业股份有限公司 | Improved lime mud recovering process and its application for producing neutral glue blending paper |
| CN101333789A (en) * | 2008-06-26 | 2008-12-31 | 山东轻工业学院 | Method for preparing ASA paper-making sizing agent emulsion |
-
2011
- 2011-12-08 CN CN201110404570.3A patent/CN102493277B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1240009A (en) * | 1996-12-06 | 1999-12-29 | 埃卡化学公司 | Process for production of paper |
| CN1291249A (en) * | 1998-02-17 | 2001-04-11 | 赫尔克里士公司 | Paper sizing |
| CN1432088A (en) * | 2000-05-30 | 2003-07-23 | 赫尔克里士公司 | Use of alkenyl succinic anhydride compsns., and its uses |
| CN1546789A (en) * | 2003-12-12 | 2004-11-17 | 山东博汇纸业股份有限公司 | Improved lime mud recovering process and its application for producing neutral glue blending paper |
| CN101333789A (en) * | 2008-06-26 | 2008-12-31 | 山东轻工业学院 | Method for preparing ASA paper-making sizing agent emulsion |
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