CN102493277A - 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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- CN102493277A CN102493277A CN2011104045703A CN201110404570A CN102493277A CN 102493277 A CN102493277 A CN 102493277A CN 2011104045703 A CN2011104045703 A CN 2011104045703A CN 201110404570 A CN201110404570 A CN 201110404570A CN 102493277 A CN102493277 A CN 102493277A
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- succinic anhydride
- alkenyl succinic
- waste residue
- water
- 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 said alkenyl succinic anhydride sizing agent emulsion.
Background technology
Report 2008 according to Chinese industrial, world's soda ash production capacity mainly is 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 then account for 29% and 23% respectively.Every production 1t soda ash discharges 0.3 ~ 0.6t alkaline residue approximately, is commonly called as " white alkali-making mud ".Calculate that in view of the above China reaches 6,800,000 t by " white clay " that system alkali industry is produced every year.Pulping and paper-making factory similarly can produce a large amount of causticization white claies (also claiming paper white sludge) in the black liquor alkali recovery process, 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 that produces in national paper mill surpasses 3,000,000 t.Therefore the annual white clay that produces of China is nearly about 1 000 ten thousand t; Have only few part to obtain utilizing at present in these white claies; Major part all is outdoor stacking, not only takies a large amount of soils, contaminated environment; Consume great amount of manpower and material resources, financial resources manage, and have wasted resources a large amount of in the white clay.If can rationally utilize this type white clay, not only solve white clay outlet and problem of environmental pollution, and can reduce entreprise cost significantly, improve enterprise competitiveness.The paper white sludge main component is CaO, SiO
2Deng, also contain magnesium salts and molysite partly.White alkali-making mud mainly is with CaCO
3, CaSO
4, CaCl
2Form Deng calcium salt, also have a spot of SiO
2The amount of the annual white clay that produces is huge, up to the present, and the real industrial applications of white clay few; Just few part is utilized; Need the 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, for the water-fast material of oily, is used for paper sizing as reactive sizing agent, has that applying glue efficient is high, slaking is fast, the characteristics of pH value wide accommodation, is widely used in the plasm-glue-blending of fine paper and cardboard.ASA must process water-based when being used as internal sizing agent emulsion joins in the slurry, yet the ASA facile hydrolysis need be in the on-the-spot emulsification of machine room.ASA emulsifying agent commonly used has cationic starch 、 Yang ∕ PAMA or surfactant, and compound.Because starch needs first gelatinization, re-use after the cooling, emulsifying process is complicated, and is wayward, thereby and low-molecular-weight surfactant can reduce the sizing efficiency of ASA to the paper migration, also can produce bubble-related issues.Therefore, the emulsification method of more easy, the ASA that is prone to row of development and to improve emulsification system be the important channel that paper industry improves ASA applying glue efficient to the emulsifiability of ASA.
In recent years, developed some inorganic particles, used these emulsifying agents can not only prepare stable ASA emulsion, and applying glue efficient is high as the ASA emulsifying agent.It like application number 200910020447.4 Chinese invention patent application; 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 quicken the hydrolysis of ASA; Identical applicant has applied for that again application number is 200810017130.0 and is called that " a kind of preparation method of ASA paper-making sizing agent emulsion " and application number are 201110061783.0 and are called the application for a patent for invention of " a kind of self-emulsifying type alkenyl succinic anhydride sizing agent and preparation method thereof "; The thinking of two patent schemes all is to use the stabilizing agent of inorganic particles as the ASA sizing agent emulsion substantially; These two kinds of method emulsifying process are simple but because the emulsifying agent that uses is inorganic nano material bentonite, hydrotalcite and titanium dioxide, have the relative problem of higher of cost.
Summary of the invention
For pollution and the resource problem that solves the white clay waste residue; Be directed against the deficiency and the relative problem of higher of inorganic nano material cost of the emulsifying technology of existing ASA simultaneously, the invention provides a kind of alkenyl succinic anhydride sizing agent emulsion that utilizes the white clay waste residue as emulsifying agent.
Another object of the present invention provides the preparation method of said alkenyl succinic anhydride sizing agent emulsion.
The present invention realizes through following measure:
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 that are used for paper-making sizing without emulsification that exist with liquid form under the 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.
Said white clay waste residue is the white alkali-making mud of system alkali industry or the causticization white clay (also claiming paper white sludge) that pulping and paper-making factory produces in the black liquor alkali recovery process.
Described alkenyl succinic anhydride sizing agent emulsion, the mass ratio of preferred alkenyl succinic anhydride and water is 1:1 ~ 3.
Described alkenyl succinic anhydride sizing agent emulsion, the mass ratio of preferred white clay waste residue and alkenyl succinic anhydride is 1:98 ~ 625.
Described alkenyl succinic anhydride sizing agent emulsion, the mass ratio of preferred alkenyl succinic anhydride and water is 1:1, the mass ratio of white clay waste residue and alkenyl succinic anhydride is 1:250.
A kind of preparation method of alkenyl succinic anhydride sizing agent emulsion can be that the white clay waste residue is distributed in the alkenyl succinic anhydride, adds entry again and mixes; Or the white clay waste residue is distributed in the water, mix with alkenyl succinic anhydride again, prepare stable O/W type ASA emulsion.
Among the preparation method of the present invention; Mechanical shearing effect in the related mixed process can be provided by any stirring or mechanical shearing equipment, and emulsifying device commonly used in the industry has venturi emulsifying device, turbine emulsifying device and Cavitron system and centrifugal multistage pump multiple centrifugal pump.If common mixing plant requires 2000 ~ 11000 rev/mins of mixing speeds, preferred rotating speed is 5000 ~ 11000 rev/mins; Mixing time is 1 ~ 15 minute, and the preferred time is 3 ~ 5 minutes.
The present invention has following outstanding advantage and effect:
1. utilize the white alkali-making mud of system alkali industry and the paper white sludge waste residue of paper industry generation to be applied to paper industry sizing agent field; Realized the recycling of industrial residue; Realized optimum economic circulation; Not only solve white clay outlet and problem of environmental pollution, and can reduce entreprise cost significantly, improved enterprise competitiveness;
2. the alkenyl succinic anhydride sizing agent emulsion of the present invention preparation need not add any surfactant and complex polyelectrolyte particle and just can be emulsified into stable emulsion to ASA; The emulsifying agent consumption that white clay uses when making emulsifying agent as emulsifying agent than inorganic nano material is lower; And under lower emulsifying agent consumption, can reach good sizing efficiency; Therefore the emulsification cost is lower, also has simple, the prepared emulsion of emulsifying process simultaneously and has the high advantage of concentration, adds after the dilute with water emulsification in the paper stock; Carry out plasm-glue-blending, applying glue efficient is high.
The specific embodiment
Below in conjunction with specific embodiment the present invention is described further, does not constitute any restriction of the present invention.Remove other and indicate, all umbers among the embodiment all in mass.
Embodiment 1
0.05 part of paper white sludge waste residue powder is distributed in 100 parts the deionized water; Under 10000 rev/mins mixing speed, be distributed among 100 parts of commodity ASA then; 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 the back and form paper stock, and copy to quantitatively being 60g/m through quick kayser method sheet forming apparatus
2Handsheet, and through drying cylinder in 105 ℃ down behind the dry 10min, the degree of sizing that utilizes liquid osmosis (GB/T5405-2002) to record handsheet is 98s.
The emulsion of preparing was placed after 1 hour, carried out identical operations by above-mentioned steps, and the degree of sizing of measuring handsheet is 95s.This emulsion is not obvious to the influence of sizing efficiency, shows that this emulsion has stability and water repelling property preferably.
Embodiment 2
0.1 part of paper white sludge waste residue powder is distributed in 100 parts the deionized water, under 7000 rev/mins mixing speed, is distributed to then among 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 the back and form paper stock, and copy to quantitatively being 60g/m through quick kayser method sheet forming apparatus
2Handsheet, and through drying cylinder in 105 ℃ down behind the dry 10min, the degree of sizing that utilizes liquid osmosis (GB/T5405-2002) to record handsheet is 116s.
Embodiment 3
0.16 part of paper white sludge waste residue powder is distributed to 100 parts deionized water, under 6000 rev/mins mixing speed, is distributed to then among 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 the back and form paper stock, and copy to quantitatively being 60g/m through quick kayser method sheet forming apparatus
2Handsheet, and through drying cylinder in 105 ℃ down behind the dry 10min, the degree of sizing that utilizes liquid osmosis (GB/T5405-2002) to record handsheet is 135s.
Embodiment 4
0.4 part of paper white sludge waste residue powder is distributed under 8000 rev/mins mixing speed among 100 parts of commodity ASA, and the deionized water that adds 100 parts then continues to stir 2 minutes, prepares 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 the back and form paper stock, and copy to quantitatively being 60g/m through quick kayser method sheet forming apparatus
2Handsheet, and through drying cylinder in 105 ℃ down behind the dry 10min, the degree of sizing that utilizes liquid osmosis (GB/T5405-2002) to record handsheet is 143s.
Embodiment 5
1 part of paper white sludge waste residue powder is distributed under 11000 rev/mins mixing speed among 99 parts of commodity ASA, and the deionized water that adds 200 parts then continues to stir 1 minute, prepares 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 the back and form paper stock, and copy to quantitatively being 60g/m through quick kayser method sheet forming apparatus
2Handsheet, and through drying cylinder in 105 ℃ down behind the dry 10min, the degree of sizing that utilizes liquid osmosis (GB/T5405-2002) to record handsheet is 136s.
Embodiment 6
2 parts of paper white sludge waste residue powder are distributed under 2000 rev/mins mixing speed among 98 parts of commodity ASA, and the deionized water that adds 300 parts then continues to stir 10 minutes, prepares 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 the back and form paper stock, and copy to quantitatively being 60g/m through quick kayser method sheet forming apparatus
2Handsheet, and through drying cylinder in 105 ℃ down behind the dry 10min, the degree of sizing that utilizes liquid osmosis (GB/T5405-2002) to record handsheet is 124s.
Embodiment 7
5 parts of paper white sludge waste residue powder are distributed under 8000 rev/mins mixing speed among 95 parts of commodity ASA; The deionized water that adds 400 parts then continues 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 the back and form paper stock, and copy to quantitatively being 60g/m through quick kayser method sheet forming apparatus
2Handsheet, and through drying cylinder in 105 ℃ down behind the dry 10min, the degree of sizing that utilizes liquid osmosis (GB/T5405-2002) to record handsheet is 118s.
The emulsion of preparing was placed after 1 hour, carried out identical operations by above-mentioned steps, and the degree of sizing of measuring handsheet is 116s.This emulsion is not obvious to the influence of sizing efficiency, shows that this emulsion has stability and water repelling property preferably.
Embodiment 8
0.16 part of white alkali-making mud waste residue powder is distributed to 100 parts deionized water, under 6000 rev/mins mixing speed, is distributed to then among 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 the back and form paper stock, and copy to quantitatively being 60g/m through quick kayser method sheet forming apparatus
2Handsheet, and through drying cylinder in 105 ℃ down behind the dry 10min, the degree of sizing that utilizes liquid osmosis (GB/T5405-2002) to record handsheet is 116s.
Embodiment 9
0.4 part of white alkali-making mud waste residue powder is distributed under 8000 rev/mins mixing speed among 100 parts of commodity ASA, and the deionized water that adds 100 parts then continues to stir 2 minutes, prepares 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 the back and form paper stock, and copy to quantitatively being 60g/m through quick kayser method sheet forming apparatus
2Handsheet, and through drying cylinder in 105 ℃ down behind the dry 10min, the degree of sizing that utilizes liquid osmosis (GB/T5405-2002) to record handsheet is 125s.
Claims (8)
1. an alkenyl succinic anhydride sizing agent emulsion is characterized in that containing 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.
2. alkenyl succinic anhydride sizing agent emulsion according to claim 1 is characterized in that said white clay waste residue is the white alkali-making mud of system alkali industry or the causticization white clay that pulping and paper-making factory produces in the black liquor alkali recovery process.
3. alkenyl succinic anhydride sizing agent emulsion according to claim 1 and 2, the mass ratio that it is characterized in that alkenyl succinic anhydride and water is 1:1 ~ 3.
4. alkenyl succinic anhydride sizing agent emulsion according to claim 1 and 2, the mass ratio that it is characterized in that white clay waste residue and alkenyl succinic anhydride is 1:98 ~ 625.
5. alkenyl succinic anhydride sizing agent emulsion according to claim 1 and 2, 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.
6. the preparation method of an alkenyl succinic anhydride sizing agent emulsion is characterized in that the white clay waste residue is distributed in the alkenyl succinic anhydride, adds entry again and mixes; Perhaps the white clay waste residue is distributed in the water, mixes with alkenyl succinic anhydride again.
7. preparation method according to claim 4, the mixing speed that it is characterized in that described mixed process is 2000 ~ 11000 rev/mins; Mixing time is 1 ~ 15 minute.
8. preparation method according to claim 4, the mixing speed that it is characterized in that described mixed process is 5000 ~ 11000 rev/mins; Mixing time is 3 ~ 5 minutes.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015262A (en) * | 2012-12-27 | 2013-04-03 | 山东轻工业学院 | Method for preparing nanometer TiO2 styrene-acrylic latex surface sizing agent |
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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015262A (en) * | 2012-12-27 | 2013-04-03 | 山东轻工业学院 | Method for preparing nanometer TiO2 styrene-acrylic latex surface sizing agent |
| CN103015262B (en) * | 2012-12-27 | 2015-03-04 | 山东轻工业学院 | Method for preparing nanometer TiO2 styrene-acrylic latex surface sizing agent |
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