CN103613961B - A kind ofly reduce water-soluble inorganic oxygenant or the water-soluble inorganic salt method at oil-soluble material median surface tension force - Google Patents
A kind ofly reduce water-soluble inorganic oxygenant or the water-soluble inorganic salt method at oil-soluble material median surface tension force Download PDFInfo
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Abstract
Reduce water-soluble inorganic oxygenant or water-soluble inorganic salt in a method for oil-soluble material median surface tension force, belong to novel material, technical field of chemistry and chemical engineering.First stearic acid and sodium stearate are dissolved in 1,2-PD, form mixing solutions; Then butyl (tetra) titanate and ethanol are added mixing solutions, react to after terminating under the envrionment temperature of 105 DEG C, temperature of reaction system is down to 90 DEG C, add water-soluble inorganic oxygenant or water-soluble inorganic salt again, react under agitation condition to terminating, through cooling, water-soluble inorganic oxygenant or the water-soluble inorganic salt of interfacial tension must be reduced.The present invention effectively can reduce the interfacial tension of water-soluble inorganic oxygenant or water-soluble inorganic salt and oil-soluble material, can improve the encapsulation rate of oil-soluble material to water-soluble inorganic oxygenant or water-soluble inorganic salt.
Description
Technical field
The invention belongs to novel material, technical field of chemistry and chemical engineering.
Background technology
Water-soluble inorganic oxygenant or water-soluble inorganic salt (as cerium oxide, sodium peroxide, Sodium Persulfate, ammonium persulphate, Potassium Persulphate etc.) are widely used in the manufacture of aniline dyestuff, the oxidation color development of vat pigment, metal finishing, organic synthesis, the initiation of polymer polymerization, the decolouring of oil and bleaching, become in the field such as ripener, oil production of the washing that loses yeast and deodorization, wheat.But above-mentioned water-soluble inorganic oxygenant or water-soluble inorganic salt extremely unstable at ambient temperature, as being subject to moisture in air to its deliquescence caking, easily decomposes etc.
For solving the problem, now widely used technology is the lapping of isolating at the outside bag one deck of above-mentioned water-soluble inorganic oxygenant or water-soluble inorganic salt and external environment.Conventional lapping has the oil-soluble materials such as polystyrene, polyacrylonitrile, whiteruss.But these water-soluble inorganic oxygenants or water-soluble inorganic salt are hydrophilic, and above-mentioned all kinds of lapping belongs to oil loving, so be difficult to effectively both be combined.
Summary of the invention
The present invention seeks to propose a kind of method of reduction water-soluble inorganic salt at oil-soluble material median surface tension force improving water-soluble inorganic oxygenant or water-soluble inorganic salt encapsulation ratio.
Technical solution of the present invention is: be first dissolved in 1,2-PD by stearic acid and sodium stearate, forms mixing solutions; Then butyl (tetra) titanate and ethanol are added mixing solutions, react to after terminating under the envrionment temperature of 105 DEG C, temperature of reaction system is down to 90 DEG C, add water-soluble inorganic oxygenant or water-soluble inorganic salt again, react under agitation condition to terminating, through cooling, water-soluble inorganic oxygenant or the water-soluble inorganic salt of interfacial tension must be reduced.
The present invention carries out surface modification by above method to water-soluble inorganic oxygenant or water-soluble inorganic salt, the interfacial tension of effective reduction water-soluble inorganic oxygenant or water-soluble inorganic salt and oil-soluble material, adopt above reduce interfacial tension water-soluble inorganic oxygenant or water-soluble inorganic salt carry out parcel with lappings such as polystyrene, polyacrylonitrile, whiterusss again and process, just can be improved the encapsulation rate to 60% of oil-soluble material to water-soluble inorganic oxygenant or water-soluble inorganic salt.
Water-soluble inorganic oxygenant of the present invention or water-soluble inorganic salt and butyl (tetra) titanate, stearic acid, sodium stearate, 1,2-propylene glycol, ethanol account for 69% ~ 92%, 1% ~ 5%, 0.5% ~ 3%, 0.5% ~ 3%, 5% ~ 10% and 1% ~ 10% of the total mass that feeds intake respectively.
When the addition of above-mentioned each raw material is in the above scope limited, the interfacial tension of water-soluble inorganic oxygenant or water-soluble inorganic salt and oil-soluble material is minimum, and cost control is in lower scope.
Described water-soluble inorganic oxygenant or water-soluble inorganic salt are Sodium Persulfate, or cerium oxide, or sodium peroxide, or ammonium persulphate, or Potassium Persulphate.
Accompanying drawing explanation
Fig. 1 is the Sodium Persulfate scanning electron microscope (SEM) photograph of non-modified.
Fig. 2 is through modified Sodium Persulfate scanning electron microscope (SEM) photograph.
Fig. 3 is the Sodium Persulfate scanning electron microscope (SEM) photograph adopting polyacrylonitrile parcel non-modified.
Fig. 4 adopts polyacrylonitrile parcel through modified Sodium Persulfate scanning electron microscope (SEM) photograph.
Embodiment
One, preparation technology: accurately take the stearic acid of certain mass ratio and sodium stearate in there-necked flask, the 1,2-PD adding an amount makes it dissolve completely.Then a certain amount of butyl (tetra) titanate is slowly added and alcohol mixeding liquid reacted after 70 minutes under the condition of 105 DEG C, temperature of reaction is down to 90 DEG C, then add Sodium Persulfate or cerium oxide, sodium peroxide, ammonium persulphate, the Potassium Persulphate of respective quality, continue rapid stirring and react 2 hours.Refrigerating unit, receives sample.
Contribute to understanding the present invention by following specific embodiments, but do not limit content of the present invention.
Its per-cent (100%) that specifically each component accounts for the total mass that feeds intake in composition is:
Scheme 1: butyl (tetra) titanate 2%, stearic acid 2%, sodium stearate 0.5%, 1,2-propylene glycol 5%, ethanol 4%, all the other are Sodium Persulfate (or cerium oxide, sodium peroxide, ammonium persulphate, Potassium Persulphate).
Scheme 2: butyl (tetra) titanate 3%, stearic acid 3%, sodium stearate 1%, 1,2-propylene glycol 8%, ethanol 2%, all the other are Sodium Persulfate (or cerium oxide, sodium peroxide, ammonium persulphate, Potassium Persulphate).
Scheme 3: butyl (tetra) titanate 3.5%, stearic acid 2.5%, sodium stearate 1.5%, 1,2-propylene glycol 6%, ethanol 2%, all the other are Sodium Persulfate (or cerium oxide, sodium peroxide, ammonium persulphate, Potassium Persulphate).
Scheme 4: butyl (tetra) titanate 5%, stearic acid 3%, sodium stearate 3%, 1,2-propylene glycol 8%, ethanol 8%, all the other are Sodium Persulfate (or cerium oxide, sodium peroxide, ammonium persulphate, Potassium Persulphate).
Scheme 5: butyl (tetra) titanate 2.5%, stearic acid 2.5%, sodium stearate 1.5%, 1,2-propylene glycol 5%, ethanol 2%, all the other are Sodium Persulfate (or cerium oxide, sodium peroxide, ammonium persulphate, Potassium Persulphate).
Scheme 6: butyl (tetra) titanate 1%, stearic acid 0.5%, sodium stearate 0.5%, 1,2-propylene glycol 5%, ethanol 1%, all the other are Sodium Persulfate (or cerium oxide, sodium peroxide, ammonium persulphate, Potassium Persulphate).
Scheme 7: butyl (tetra) titanate 5%, stearic acid 3%, sodium stearate 3%, 1,2-propylene glycol 10%, ethanol 10%, all the other are Sodium Persulfate (or cerium oxide, sodium peroxide, ammonium persulphate, Potassium Persulphate).
Two, water-soluble inorganic oxygenant or water-soluble inorganic salt (as Sodium Persulfate) are before modified and modified scanning electron microscope (SEM) photograph, as shown in Figure 1, 2.
As can be seen from Fig. 1: the Sodium Persulfate surface of non-modified is in smooth form.
As can be seen from Fig. 2: through the material of modified Sodium Persulfate surface coverage one deck oleophilic drainage, and between Sodium Persulfate particle, occur the phenomenon of adhesion.
Three, apply:
By each 1.0g of Sodium Persulfate after before modified, be placed on respectively in the graduated cylinder of band grinding port plug and scale, then add white oil to 30 ml, shake 2 minutes, observe its sedimentation time, make following table.
As can be seen from following table, added after in white oil by unmodified Sodium Persulfate, Sodium Persulfate sinks to the end very soon, and all sedimentations; And add after in white oil through modified Sodium Persulfate, 49 ~ 57 seconds can be suspended in white oil, then slowly sink to the end.
As can be seen from Fig. 3: polyacrylonitrile is difficult to the Sodium Persulfate surface depositing or be wrapped in non-modified, makes its encapsulation rate lower.
As can be seen from Fig. 4: polyacrylonitrile can deposit or be wrapped in the Sodium Persulfate surface through modification completely, improves its encapsulation rate significantly.
Claims (1)
1. reduce the method for water-soluble inorganic salt at oil-soluble material median surface tension force, it is characterized in that first stearic acid and sodium stearate being dissolved in 1,2-PD, form mixing solutions; Then butyl (tetra) titanate and ethanol are added mixing solutions, react to after terminating under the envrionment temperature of 105 DEG C, temperature of reaction system is down to 90 DEG C, add water-soluble inorganic oxygenant or water-soluble inorganic salt again, react under agitation condition to terminating, through cooling, water-soluble inorganic oxygenant or the water-soluble inorganic salt of interfacial tension must be reduced; Described water-soluble inorganic oxygenant or water-soluble inorganic salt and butyl (tetra) titanate, stearic acid, sodium stearate, 1,2-propylene glycol, ethanol account for 69% ~ 92%, 1% ~ 5%, 0.5% ~ 3%, 0.5% ~ 3%, 5% ~ 10% and 1% ~ 10% of the total mass that feeds intake respectively; Described water-soluble inorganic oxygenant or water-soluble inorganic salt are Sodium Persulfate, or cerium oxide, or sodium peroxide, or ammonium persulphate, or Potassium Persulphate.
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Patent Citations (5)
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| CN1918071A (en) * | 2004-02-06 | 2007-02-21 | 伊梅里斯矿物有限公司 | Ultrafine natural ground brucite |
| CN101020777A (en) * | 2007-03-19 | 2007-08-22 | 浙江工业大学 | Coiled polybutene pipe with high heat conductivity and its prepn |
| CN101486847A (en) * | 2009-02-24 | 2009-07-22 | 华南理工大学 | Solid phase preparation and use of organic modified calcium based montmorillonite |
| CN103146026A (en) * | 2013-03-21 | 2013-06-12 | 枣庄市三兴高新材料有限公司 | Clay powder for improving vulcanization processability of rubber and preparation method for same |
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