CN107217538A - A kind of water-soluble calcium stearate dispersion and preparation method thereof - Google Patents
A kind of water-soluble calcium stearate dispersion and preparation method thereof Download PDFInfo
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- CN107217538A CN107217538A CN201710582347.5A CN201710582347A CN107217538A CN 107217538 A CN107217538 A CN 107217538A CN 201710582347 A CN201710582347 A CN 201710582347A CN 107217538 A CN107217538 A CN 107217538A
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- water
- calcium stearate
- apeo
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/08—Dispersing agents for fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/12—Defoamers
Abstract
The invention belongs to chemical industry additive technology field, more particularly to a kind of water-soluble calcium stearate dispersion and preparation method thereof.The water-soluble calcium stearate dispersion that the present invention is provided, in terms of parts by weight, including following components：250~400 parts of calcium stearate；8~15 parts of APEO；8~20 parts of APEO sodium salt；20~25 parts of oleic acid；1~5 part of dispersant；0~5 part of defoamer；1~5 part of pH adjusting agent；400~550 parts of water；The APEO includes isomerous tridecanol polyoxyethylene ether and/or NPE；The APEO sodium salt includes sodium sulfate of polyethenoxy ether of fatty alcohol and/or NPE sodium sulfonate.Test result indicates that, the viscosity for the water-soluble calcium stearate dispersion that the present invention is provided is 30~120CP (25 DEG C), and solid content is 40~50%, and storage stability is good.
Description
Technical field
The invention belongs to chemical industry additive technology field, more particularly to a kind of water-soluble calcium stearate dispersion and its preparation
Method.
Background technology
Calcium stearate dispersion is to be equipped with a certain amount of dispersant and stabilizer by calcium stearate, scattered using dispersing technology
Uniform dispersion in water.Calcium stearate dispersion as coating paper coating lubricant, early in the initial stage eighties just
Applied in the paper industry of China, Research Inst. of Chemical Industry, Beijing is the domestic unit for carrying out this research earliest.Now, it is stearic
Sour calcium dispersion liquid has occupied consequence in paper coating lubricant field.
At present, the calcium stearate dispersion generally existing circulated on the market that solid content is low, viscosity is high, stability is poor, breast
Agent consumption is big, the problems such as need to add the pungents such as urea reduction viscosity.Therefore, how reasonable selection synthesis material and to match somebody with somebody
Than, technique, realize and high solids content, low viscosity, stably are obtained under conditions of low emulsifier and without pungent
Property excellent water-soluble calcium stearate dispersion, be technical barrier urgently to be resolved hurrily at present.
The content of the invention
In view of this, it is an object of the invention to provide a kind of water-soluble calcium stearate dispersion and preparation method thereof, this
Invent the solid content height of the water-soluble calcium stearate dispersion provided, viscosity is low, stability is good, emulsifier is few, and do not add
Plus pungent.
The invention provides a kind of water-soluble calcium stearate dispersion, in terms of parts by weight, including following components：
The APEO includes isomerous tridecanol polyoxyethylene ether and/or NPE；
The APEO sodium salt includes sodium sulfate of polyethenoxy ether of fatty alcohol and/or NPE sulfonic acid
Sodium.
It is preferred that, the degree of polymerization of the APEO is 8~12.
It is preferred that, the degree of polymerization of the APEO sodium salt is 2~6.
It is preferred that, the dispersant includes the one or more in glycerine, diethylene glycol (DEG) and freeze proof dispersant B P-995.
It is preferred that, the defoamer includes polyether modified polysiloxan defoaming agent and/or water-soluble silicon alkanes defoamer.
It is preferred that, the pH adjusting agent includes calcium hydroxide.
The invention provides a kind of preparation method of water-soluble calcium stearate dispersion described in above-mentioned technical proposal, including with
Lower step：
A), by calcium stearate, APEO, APEO sodium salt, oleic acid, dispersant, defoamer, pH adjusting agent and
Ground after water mixing, obtain water-soluble calcium stearate dispersion.
It is preferred that, the step a) is specifically included：
A1), APEO, APEO sodium salt, dispersant, pH adjusting agent and oleic acid are mixed with part water, obtained
To the first mixture；
A2), first mixture is mixed with calcium stearate, the second mixture is obtained；
A3 it is ground after), second mixture is mixed with the water of surplus, obtains water-soluble calcium stearate and disperse
Liquid.
It is preferred that, step a1) in, the consumption of water is 60~80wt% of total Water.
It is preferred that, step a2) in, the stir speed (S.S.) of the mixing is 800~1000r/min；The time of the mixing is 8
~15min.
Compared with prior art, the invention provides a kind of water-soluble calcium stearate dispersion and preparation method thereof.This hair
The water-soluble calcium stearate dispersion of bright offer, in terms of parts by weight, including following components：250~400 parts of calcium stearate；It is poly-
8~15 parts of oxygen vinethene；8~20 parts of APEO sodium salt；20~25 parts of oleic acid；1~5 part of dispersant；0~5 part of defoamer；
1~5 part of pH adjusting agent；400~550 parts of water；The APEO includes isomerous tridecanol polyoxyethylene ether and/or nonyl phenol
APEO；The APEO sodium salt includes sodium sulfate of polyethenoxy ether of fatty alcohol and/or NPE
Sodium sulfonate.The present invention passes through on this basis using particular kind of APEO and APEO sodium salt as emulsifying agent
Constituent and each component content to water-soluble calcium stearate dispersion further optimize, and obtain solid content height, viscosity low
And the good water-soluble calcium stearate dispersion of stability.The emulsifier of the dispersion liquid is few, while without pungent.
Test result indicates that, the viscosity for the water-soluble calcium stearate dispersion that the present invention is provided is 30~120CP (25 DEG C), and solid content is
40~50%, storage stability is good.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
The invention provides a kind of water-soluble calcium stearate dispersion, in terms of parts by weight, including following components：
The APEO includes isomerous tridecanol polyoxyethylene ether and/or NPE；
The APEO sodium salt includes sodium sulfate of polyethenoxy ether of fatty alcohol and/or NPE sulfonic acid
Sodium.
The water-soluble calcium stearate dispersion that the present invention is provided includes calcium stearate, APEO, APEO sodium
Salt, oleic acid, dispersant, defoamer, pH adjusting agent and water.Wherein, content of the calcium stearate in dispersion liquid be 250~
400 parts by weight, concretely 300 parts by weight, 310 parts by weight, 320 parts by weight, 330 parts by weight, 340 parts by weight, 350 weight
Part, 360 parts by weight, 370 parts by weight, 380 parts by weight or 390 parts by weight.
In the present invention, the APEO specifically includes isomery ten as the nonionic surfactant of dispersion liquid
Triol APEO and/or NPE.In the present invention, the degree of polymerization of the APEO is preferably 8
~12, concretely 9,10 or 11.In the present invention, content of the APEO in dispersion liquid is 8~15 parts by weight,
Concretely 9 parts by weight, 10 parts by weight, 10.5 parts by weight, 11 parts by weight, 12 parts by weight, 13 parts by weight or 14 parts by weight.
In the present invention, the APEO sodium salt specifically includes fat as the anion surfactant of dispersion liquid
Fat alcohol polyethenoxy ether sodium sulfate and/or NPE sodium sulfonate.In the present invention, the APEO sodium salt
The degree of polymerization be preferably 2~6, concretely 4 or 5.In one embodiment that the present invention is provided, the aliphatic alcohol polyethenoxy
The trade mark of ether sodium sulfate is 24E2S.In the present invention, content of the APEO sodium salt in dispersion liquid is 8~20 parts,
Concretely 9 parts by weight, 10 parts by weight, 10.5 parts by weight, 11 parts by weight, 12 parts by weight, 13 parts by weight, 14 parts by weight, 15 weights
Measure part, 16 parts by weight, 17 parts by weight, 18 parts by weight or 19 parts by weight.
In the present invention, the presence of oleic acid has beneficial to the scattered of calcium stearate powder；The oleic acid containing in dispersion liquid
Measure as 20~25 parts by weight, concretely 21 parts by weight, 22 parts by weight, 23 parts by weight or 24 parts by weight.
In the present invention, the dispersant is preferably freeze proof dispersant, including but not limited to glycerine, diethylene glycol (DEG) and freeze proof point
One or more in powder BP-995.In the present invention, content of the dispersant in dispersion liquid is 1~5 parts by weight, tool
Body can be 2 parts by weight, 3 parts by weight or 4 parts by weight.
In the present invention, the defoamer includes but is not limited to polyether modified polysiloxan defoaming agent and/or water-soluble silicon alkanes
Defoamer.In the present invention, content of the defoamer in dispersion liquid is 0~5 parts by weight, concretely 1 parts by weight, 2 weights
Measure part, 3 parts by weight, 3.5 parts by weight or 4 parts by weight.
In the present invention, the pH adjusting agent includes but is not limited to calcium hydroxide.In the present invention, calcium hydroxide and oleic acid
Calcium oleate can be generated, the generation of stearic acid high score dispersion liquid preparation process foam can be suppressed.In the present invention, the pH adjusting agent exists
Content in dispersion liquid is 1~5 parts by weight, concretely 2,3,3.5 or 4 parts by weight.The one embodiment provided in the present invention
In, the pH value of the dispersion liquid is adjusted to 9~11 by the pH adjusting agent.
In the present invention, content of the water in dispersion liquid be 400~550 parts by weight, concretely 410 parts by weight,
420 parts by weight, 430 parts by weight, 440 parts by weight, 443 parts by weight, 450 parts by weight, 460 parts by weight, 470 parts by weight, 480 weight
Part, 490 parts by weight, 500 parts by weight, 510 parts by weight, 520 parts by weight, 530 parts by weight or 540 parts by weight.
The present invention passes through on this basis using particular kind of APEO and APEO sodium salt as emulsifying agent
Constituent and each component content to water-soluble calcium stearate dispersion further optimize, and obtain solid content height, viscosity low
And the good water-soluble calcium stearate dispersion of stability.The emulsifier of the dispersion liquid is few, while without excitant, strong oxygen
The material of the property changed or strong reducing property.In the optimal technical scheme that provides of the present invention, dispersant uses freeze proof dispersant, can make point
Dispersion liquid also has good storage stability at low temperature.Test result indicates that, the water-soluble calcium stearate point that the present invention is provided
The viscosity of dispersion liquid is 30~120CP (25 DEG C), and solid content is 40~50%, and storage stability is good.
The invention provides a kind of preparation method of water-soluble calcium stearate dispersion described in above-mentioned technical proposal, including with
Lower step：
A), by calcium stearate, APEO, APEO sodium salt, oleic acid, dispersant, defoamer, pH adjusting agent and
Ground after water mixing, obtain water-soluble calcium stearate dispersion.
In the preparation method that provides of the present invention, according to proportioning by calcium stearate, APEO, APEO sodium
Grinding can obtain the water-soluble calcium stearate dispersion after salt, oleic acid, dispersant, defoamer, pH adjusting agent and water mixing,
The process is specifically included：
A1), first APEO, APEO sodium salt, dispersant, pH adjusting agent and oleic acid are mixed with part water,
Obtain the first mixture；
A2), first mixture is mixed with calcium stearate, the second mixture is obtained；
A3 it is ground after), second mixture is mixed with the water of surplus, obtains water-soluble calcium stearate and disperse
Liquid.
In the above-mentioned preparation method that provides of the present invention, step a1) in, the consumption of water be preferably total Water 60~
80wt%, concretely 70wt%；The mixing speed of the mixing is preferably 300~500r/min；The temperature of the mixing is excellent
Elect 25 DEG C as；Step a1) in time of the mixing is not particularly limited, be well mixed.Step a2) in, it is described mixed
The stir speed (S.S.) of conjunction is preferably 800~1000r/min；The temperature of the mixing is preferably 25 DEG C；The time of the mixing is preferred
For 5~15min, concretely 10min.Step a3) in, the stir speed (S.S.) of the mixing is preferably 200~300r/min；It is described
The temperature of mixing is preferably 25 DEG C；The time of the mixing is preferably 10~30min, concretely 20min；The side of the grinding
Formula is preferably superfine grinding；The time of the grinding is preferably 3~8min, concretely 5min.
The preparation method that the present invention is provided using particular kind of APEO and APEO sodium salt as emulsifying agent,
Further optimized by the constituent to water-soluble calcium stearate dispersion and each component content on this basis, consolidate
Content height and the low water-soluble calcium stearate dispersion of viscosity.The emulsifier of the dispersion liquid is few, at the same without excitant,
The material of strong oxidizing property or strong reducing property.The preparation method formula that the present invention is provided is simple, easy to operate, takes short, the unit interval
Output is big, and product calcium stearate levels are high, and viscosity is low, it is easy to pump, storage stability is good, is easily dispersed using process.
In the optimal technical scheme that the present invention is provided, dispersion liquid is ground using superfine grinding, can be significantly reduced in dispersion liquid
The particle diameter of grain, improves the uniformity of particle, so as to further lift the stability and dispersiveness of product.Test result indicates that, adopt
The viscosity for the water-soluble calcium stearate dispersion that the method provided with the present invention is prepared is 30~120CP (25 DEG C), admittedly contain
Measure as 40~50%, tail over (325 mesh)≤0.1%.
For the sake of becoming apparent from, it is described in detail below by following examples.
Embodiment 1
In 1L four-hole boiling flasks, 310g water, isomerous tridecanol polyoxyethylene ether (n=8) 10.5g, polyoxyethylene nonyl phenyl are added
Vinethene sodium sulfonate (n=4) 15g, freeze proof dispersant B P-995 are 3g, oleic acid 22g, calcium hydroxide 3.5g, water-soluble silicon alkanes
Stirring with 300r/min under defoamer (Jun Xin Chemical Industry Science Co., Ltd of Guangdong city, byfuel L85) 3.5g, room temperature (25 DEG C)
Mixing speed stirring dissolves it；It is to be dissolved it is uniform after, add under 300g calcium stearates, room temperature (25 DEG C) with 800r/min stirring
Speed stirs 10min, soaks calcium stearate powder；Stirring with 200r/min under 133g water, room temperature (25 DEG C) is added afterwards
Speed stirring 20min is mixed, it is well mixed；Finally by said mixture material in Cone crusher superfine grinding 5min, gained production
Product are white dispersion liquid.
Gained calcium stearate dispersion solid content 45%, 25 DEG C of rotary viscosity 37CP, tailing over (325 mesh)≤0.1%, pH is
10.5.In solid contained by the calcium stearate dispersion, 0.1~10 μm of fraction of particle is 46.63wt%, 10~20 μm of particulate
Content is 43.2wt%, 20~30 μm of fraction of particle 9.29wt%, 30~44 μm of fraction of particle 0.88wt%, 40~100 μ
M fraction of particle is 0wt%, and particle diameter distribution is in normal distribution, illustrates that the dispersion liquid uniformity is good, even particle size distribution makes
Use excellent performance.
Calcium stearate dispersion storage manufactured in the present embodiment has not yet to see layering in more than 1 year, illustrates that dispersion liquid storage is steady
It is qualitative excellent.
Embodiment 2
In 1L four-hole boiling flasks, 310g water, isomerous tridecanol polyoxyethylene ether (n=8) 10.5g, fatty alcohol polyoxy are added
Stirring with 300r/min under ethene ether sodium sulfate (n=2) 15g, glycerine 3g, oleic acid 22g, calcium hydroxide 3.5g, room temperature (25 DEG C)
Mixing speed stirring dissolves it；It is to be dissolved it is uniform after, add under 380g calcium stearates, room temperature (25 DEG C) with 800r/min stirring
Speed stirs 10min, soaks calcium stearate powder；Stirring with 200r/min under 133g water, room temperature (25 DEG C) is added afterwards
Speed stirring 20min is mixed, it is well mixed；Finally by said mixture material in Cone crusher superfine grinding 5min, gained production
Product are white dispersion liquid.
Gained calcium stearate dispersion solid content 50%, 25 DEG C of rotary viscosity 120CP tail over (325 mesh)≤0.1%, pH
For 10.3.In solid contained by the calcium stearate dispersion, 0.1~10 μm of fraction of particle is 56.38wt%, 10~20 μm micro-
Grain content is 36.78wt%, 20~30 μm of fraction of particle 6.37wt%, 30~44 μm of fraction of particle 0.46wt%, 40~
100 μm of fraction of particle is 0.01%, and particle diameter distribution is in normal distribution, illustrates that the dispersion liquid uniformity is good, size distribution is equal
Even, performance is excellent.
Calcium stearate dispersion storage manufactured in the present embodiment has not yet to see layering in more than 1 year, illustrates that dispersion liquid storage is steady
It is qualitative excellent.
Embodiment 3
In 1L four-hole boiling flasks, 350g water, NPE (n=10) 10.5g, aliphatic alcohol polyethenoxy are added
Ether sodium sulfate (the trade mark：24E2S, producer：Linyi City Lanshan District Yongtai Chemical Co., Ltd.) it is 10.5g, diethylene glycol (DEG) is 3g, polyethers
Modified silicon oil (SI-X201, Laiyang Sheng Bang organosilicons Science and Technology Ltd.) 3.5g, oleic acid 22g, calcium hydroxide 3.5g, room temperature (25
DEG C) under dissolve it with the stirring of 300r/min mixing speed；It is to be dissolved it is uniform after, add 300g calcium stearates, room temperature (25
DEG C) under 10min is stirred with 800r/min mixing speed, soak calcium stearate powder；150g water is added afterwards, with
200r/min mixing speed stirring 20min, is well mixed it；Finally by said mixture material in Cone crusher superfine grinding
5min, products obtained therefrom is white dispersion liquid.
Gained calcium stearate dispersion solid content 41%, 25 DEG C of rotary viscosity 34CP, tailing over (325 mesh)≤0.1%, pH is
10.6.In solid contained by the calcium stearate dispersion, 0.1~10 μm of fraction of particle is 50.14wt%, 10~20 μm of particulate
Content is 40.43wt%, 20~30 μm of fraction of particle 8.53wt%, 30~44 μm of fraction of particle 0.90wt%, 40~100
μm fraction of particle be 0wt%, and particle diameter distribution be in normal distribution, illustrate that the dispersion liquid uniformity is good, even particle size distribution makes
Use excellent performance.
Calcium stearate dispersion storage manufactured in the present embodiment has not yet to see layering in more than 1 year, illustrates that dispersion liquid storage is steady
It is qualitative excellent.
Comparative example 1
In 1L four-hole boiling flasks, 300g water, the emulsifying agent of paregal O -15 (Jiangsu Hai'an petrochemical plant) 8.4g, fat are added
The fat alcohol polyethenoxy ether sodium sulfate (trade mark：24E2S, producer：Linyi City Lanshan District Yongtai Chemical Co., Ltd.) it is 12g, oleic acid
For 17.32g, polyether modified silicon oil (SI-X201, Laiyang Sheng Bang organosilicons Science and Technology Ltd.) 2g, freeze proof dispersant B P-995
For 5g, calcium hydroxide 2.8g dissolves it under room temperature (25 DEG C) with 300r/min mixing speed stirring；It is to be dissolved it is uniform after,
Add under 360g calcium stearates, room temperature (25 DEG C) with 800r/min mixing speed stirring 10min, moisten calcium stearate powder
It is wet；150g water is added afterwards, 20min is stirred with 200r/min mixing speed, is well mixed it；Finally by above-mentioned mixing
Material superfine grinding 5min in Cone crusher, products obtained therefrom is white dispersion liquid.
Gained calcium stearate dispersion solid content 47.5%, surveys 25 DEG C of rotary viscosity 70CP, but storage after the completion of preparation
After one day the calcium stearate dispersion pasty masses, storage stability is good.
Comparative example 2
In 1L four-hole boiling flasks, 350g water, NPE (n=10) 10.5g, a- sodium olefin sulfonate are added
(Jinan De Qiao Chemical Industry Science Co., Ltd) is 10.5g, and oleic acid is 22g, and (SI-X201, the holy nation in Laiyang are organic for polyether modified silicon oil
Silicon Science and Technology Ltd.) 3.5g, freeze proof dispersant B P-995 is 3g, calcium hydroxide 3.5g, with 300r/min under room temperature (25 DEG C)
Mixing speed stirring dissolve it；It is to be dissolved it is uniform after, add under 320g calcium stearates, room temperature (25 DEG C) with 800r/min's
Mixing speed stirs 10min, soaks calcium stearate powder；150g water is added afterwards, is stirred with 200r/min mixing speed
20min is mixed, it is well mixed；Finally by said mixture material in Cone crusher superfine grinding 5min, products obtained therefrom for white
Dispersion liquid.
Gained calcium stearate dispersion solid content 41.3%, surveys 25 DEG C of rotary viscosity 33CP, but storage after the completion of preparation
The calcium stearate dispersion is layered after one day, and storage stability is not good.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of water-soluble calcium stearate dispersion, in terms of parts by weight, including following components：
The APEO includes isomerous tridecanol polyoxyethylene ether and/or NPE；
The APEO sodium salt includes sodium sulfate of polyethenoxy ether of fatty alcohol and/or NPE sodium sulfonate.
2. water-soluble calcium stearate dispersion according to claim 1, it is characterised in that the polymerization of the APEO
Spend for 8~12.
3. water-soluble calcium stearate dispersion according to claim 1, it is characterised in that the APEO sodium salt
The degree of polymerization is 2~6.
4. water-soluble calcium stearate dispersion according to claim 1, it is characterised in that the dispersant include glycerine,
One or more in diethylene glycol (DEG) and freeze proof dispersant B P-995.
5. water-soluble calcium stearate dispersion according to claim 1, it is characterised in that the defoamer changes including polyethers
Property silicon oil foam killer and/or water-soluble silicon alkanes defoamer.
6. water-soluble calcium stearate dispersion according to claim 1, it is characterised in that the pH adjusting agent includes hydrogen-oxygen
Change calcium.
7. a kind of preparation method of any one of claim 1~6 water-soluble calcium stearate dispersion, comprises the following steps：
A), calcium stearate, APEO, APEO sodium salt, oleic acid, dispersant, defoamer, pH adjusting agent and water are mixed
Ground after conjunction, obtain water-soluble calcium stearate dispersion.
8. preparation method according to claim 7, it is characterised in that the step a) is specifically included：
A1), APEO, APEO sodium salt, dispersant, pH adjusting agent and oleic acid are mixed with part water, is obtained
One mixture；
A2), first mixture is mixed with calcium stearate, the second mixture is obtained；
A3 it is ground after), second mixture is mixed with the water of surplus, obtains water-soluble calcium stearate dispersion.
9. preparation method according to claim 8, it is characterised in that step a1) in, the consumption of water for total Water 60~
80wt%.
10. preparation method according to claim 8, it is characterised in that step a2) in, the stir speed (S.S.) of the mixing is
800~1000r/min；The time of the mixing is 8~15min.
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| CN112878098A (en) * | 2020-12-27 | 2021-06-01 | 新沂市星辰新材料科技有限公司 | High-solid-content calcium stearate dispersion liquid and preparation method thereof |
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| CN103276625A (en) * | 2013-04-28 | 2013-09-04 | 河南惠尔纳米科技有限公司 | Method for preparing calcium stearate water-based dispersion liquid |
| CN106111007A (en) * | 2016-06-21 | 2016-11-16 | 上海东升新材料有限公司 | A kind of method preparing water-based calcium stearate dispersion and products thereof and application |
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| CN102094356A (en) * | 2010-11-13 | 2011-06-15 | 东莞市汉维新材料科技有限公司 | Water-based calcium stearate dispersion for papermaking and preparation method thereof |
| CN103276625A (en) * | 2013-04-28 | 2013-09-04 | 河南惠尔纳米科技有限公司 | Method for preparing calcium stearate water-based dispersion liquid |
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