CN105152821A - W/O dispersing agent applicable to high-density supersaturated nitrate solution as well as preparation method and application of W/O dispersing agent - Google Patents
W/O dispersing agent applicable to high-density supersaturated nitrate solution as well as preparation method and application of W/O dispersing agent Download PDFInfo
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Abstract
The invention relates to a W/O dispersing agent applicable to a high-density supersaturated nitrate solution as well as a preparation method and an application of the W/O dispersing agent, and belongs to the technical field of dispersing agent. According to the method, firstly, polyisobutylene succinic anhydride is prepared from polyisobutylene and succinic anhydride with a catalytic thermal addition method; then polyol and boric acid have an esterification reaction to form borate polyol; finally, polyisobutylene succinic anhydride and borate polyol have an esterification reaction, polyisobutylene succinic anhydride borate polyol is prepared and is the W/O dispersing agent applicable to the high-density supersaturated nitrate solution. The dispersing agent has a polymer stereostructure and long molecular chains, a colloid prepared from the dispersing agent has good antistatic performance and emulsibility, the use quantity of an oil-phase material can be reduced, the requirement of an industrial emulsion explosive for oxygen balance is met, the explosiveness of a product is improved, the storage stability is enhanced, and the product can be used as the dispersing agent to be applied to a lubricant, and congregated oil sludge can be dispersed effectively.
Description
Technical field
The invention belongs to dispersion agent technical field, relate to and be a kind ofly applicable to w/o type dispersion agent and preparation method thereof and the application that nitrate solution is closed in high-density satiety, be specifically related to a kind of fuel package melt type emulsion explosive being applicable to industrial emulsion explosive, or the w/o type dispersion agent of lubricating oil.
Background technology
In industrial emulsion explosive field, emulsifying agent, in the generation and stabilization process subsequently of emulsoid, can reduce the interfacial tension between discontinuous phase and external phase, thus the interface of Stable Oxygen agent salt drop and fuel room.Emulsifying agent forms thicker film and contributes to suppressing drop to combine on interface, and can suppress the crystallization of salt in drop.Verified at present, there is no a kind of emulsifying agent being specially adapted to fuel package melt type emulsion explosive, specifically, for can be formed stable, meet the emulsion explosive composition that oxygen balance requires, the emulsifying agent that prior art provides or dispersion agent cannot meet it and require.In emulsion explosive field, in order to meet the stability of emulsoid, the normally negative oxygen of industrial explosive composition, namely foreign minister's substances content is more, and this makes the oxidizer salt existed be not enough to make all substances complete oxidation.So when oxygen is inadequate, will produce the toxic gases such as CO, meanwhile, reaction liberated heat reduces.
The kind of emulsifying agent is a lot, and w/o type emulsifying agent is also a lot, but the emulsifying agent of some specific functions or dispersion agent of less types, be particularly applicable to the higher (1.4 ~ 1.6g/m of interior phase density
3), the dispersion agent of the emulsoid of acidity comparatively strong (pH3-5), being supersaturation nitrate aqueous solution mutually in industrial emulsion explosive, is solid-state under this mixture normal temperature, and recrystallization temperature is not generally at 50 DEG C ~ 160 DEG C etc.; The hybrid density of outer phase material oil and dispersion agent is generally 0.8 ~ 0.9g/cm
3foreign minister's Oil mixture content is 3.5 ~ 7.5%, the content that can meet the requirement of system oxygen equilibrium is 4.5 ~ 5.5%, to be exactly content be furtherly 2 ~ 4% solid wax goods under dispersion agent (dispersant 1.5-2.5%) exists, be 1.4 ~ 1.6g/cm by the density of about 95%
3close liquid for the satiety of solid-state nitrate under normal temperature and form micron-sized corpus mamillare, and ensure the W/O emulsoid of more than six months all-the-time stable under having the system external causes such as extruding, carrying, pumping procedure to exist, the domestic research in this respect of this kind of dispersion agent is less, this kind of dispersion agent relies on import for a long time always, and the mixture of What is more dispersion agent and oily substance all relies on import.
The primary emulsion of current domestic use is sorbester p17 serial products, the polyisobutene succinimide class of T-152 ~ T-155 series and both combination products.Low molecular Span series product due to cost low, easy milkiness is moderate, oil soluble is good, easier emulsification, is widely applied the advantage such as less demanding of emulsifying temperature, shearing force always, but due to production process mechanical energy consumption amount larger, medicine state is soft, package stability is bad, and common product changes at two months tiled configuration, performance degradation; T-152 ~ T-155 product (polyisobutene succinimide class dispersion agent), excellent storage stability, the storage time is generally more than half a year, but its emulsifying property is relatively poor, emulsifying power is not high, in addition, the starting material polyamines polyene price of producing is higher, greatly limit its application.Within nearly 1 year, above two class dispersion agents are carried out simple physical mixed by many producers, and its function is due to the existence of short slab theory, and mixed product performance are not integrated.Therefore how overcoming the deficiencies in the prior art is problems that current dispersion agent technical field needs solution badly.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, a kind of w/o type dispersion agent being suitable for high-density nitrate solution and preparation method thereof is provided, this dispersion agent emulsifying property is good, colloidal stability is good, endurance of cutting is high, and cost is lower, not only may be used in industrial emulsion explosive, can also be used in lubricating oil, range of application is wider simultaneously.
The technical solution used in the present invention is as follows:
A kind of preparation method being applicable to the w/o type dispersion agent of high-density satiety conjunction nitrate solution, first catalytic heat addition legal system is adopted to obtain polyisobutylene succinic anhydride by polyisobutene and succinyl oxide, secondly polyvalent alcohol and boric acid carry out esterification and form acid polyol ester, finally polyisobutylene succinic anhydride and acid polyol ester are carried out esterification, obtained polyisobutylene succinic anhydride acid polyol ester, is namely applicable to the w/o type dispersion agent that nitrate solution is closed in high-density satiety.
Further, when preferably described polyisobutene and succinyl oxide adopt catalytic thermal treatment legal explained hereafter, the catalyzer adopted is peroxy dicarbonate double hexadecyl ester, dicumyl peroxide, ammonium persulphate or Sodium Persulfate, the mol ratio of polyisobutene, succinyl oxide and catalyzer three is 1:0.7-1.2:0.01-0.1, the molecular weight 500 ~ 3000 of described polyisobutene.Polyisobutene also can use high-activity polyisobutene with common polyisobutene, but adopts high-activity polyisobutene effect better.
Further, preferably described polyisobutene is high-activity polyisobutene, and molecular weight is 500 ~ 2000.
Further, it is carry out at 100-150 DEG C that preferably described boric acid and polyvalent alcohol carry out the esterification esterification formed in acid polyol ester, the mol ratio of boric acid and polyvalent alcohol is 1:0.8-2.2, reaction process also adds catalyzer, catalyzer is NaOH, phosphoric acid or KOH, the mole dosage of catalyzer is the 0.1-0.5% of polyvalent alcohol total mass, this esterification be carry out in the presence of nitrogen or under vacuum state.
Further, preferably described polyvalent alcohol is one or both mixture in glycerol, tetramethylolmethane, sorbyl alcohol, N.F,USP MANNITOL and Xylitol.
Further, when preferably described polyisobutylene succinic anhydride and acid polyol ester carry out esterification, using any one in dimethylbenzene, base oil and No. 30 machine oil as thinner, thinner add the 30-40% that quality is polyisobutene total mass; The mol ratio of polyisobutylene succinic anhydride and acid polyol ester is 1:0.5-1.1, temperature of reaction 160-220 DEG C, reaction times 2-3h, and this esterification is carry out in the presence of nitrogen or under vacuum state.
Further, the preferably described preparation method being applicable to the w/o type dispersion agent of high-density satiety conjunction nitrate solution, comprises the steps:
Step (1), polyisobutene is heated up in the presence of oxygen in 100 ~ 150 DEG C, be 1:0.7-1.2:0.01-0.1 according to the mol ratio of polyisobutene, succinyl oxide and catalyzer three, add succinyl oxide and catalyzer, react 1-3h in the presence of oxygen, be warming up to 200-230 DEG C of reaction 2-3 hour further again, obtain polyisobutylene succinic anhydride; Described catalyzer is peroxy dicarbonate double hexadecyl ester, dicumyl peroxide, ammonium persulphate or Sodium Persulfate;
Step (2), the catalyzer that quality is the 0.1-0.5% of polyvalent alcohol total mass is added in polyvalent alcohol, then 100 ~ 150 DEG C are warming up to, under agitation slowly add boric acid by the add-on of boric acid and polyol mole ratio 1:0.8 ~ 2.2 again, reaction reacts 2 ~ 3h under nitrogen protection or under vacuum state (vacuum tightness 0.01 ~ 0.1Mpa), obtains acid polyol ester; Described catalyzer is NaOH, phosphoric acid or KOH;
Step (3), using any one in dimethylbenzene, base oil and No. 30 machine oil as thinner, the further esterification of acid polyol ester that the polyisobutylene succinic anhydride obtain step (1) and step (2) obtain, obtains polyisobutylene succinic anhydride acid polyol ester; Thinner add the 30-40% that quality is polyisobutene total mass; The mol ratio of polyisobutylene succinic anhydride and acid polyol ester is 1:0.5-1.1, temperature of reaction 160-220 DEG C, reaction times 2-3h, and this esterification is carry out in the presence of nitrogen or under vacuum state (vacuum tightness 0.01 ~ 0.1Mpa).
" slowly " that slowly add in boric acid of specification sheets of the present invention, can for dripping, but be not limited thereto, the suggestion joining day is about 10min, due to the scale difference of test, as lab scale, pilot scale etc., so its time added cannot specifically limit.
In the presence of oxygen of the present invention, namely do not need the environment of anaerobic, can for react under regular air existent condition, must not pass into oxygen could react.
What the above-mentioned preparation method being applicable to the w/o type dispersion agent of high-density satiety conjunction nitrate solution obtained is applicable to the w/o type dispersion agent that nitrate solution is closed in high-density satiety.
Above-mentioned is applicable to the application of w/o type dispersion agent in industrial emulsion explosive that nitrate solution is closed in high-density satiety.
Above-mentioned is applicable to the application of w/o type dispersion agent in lubricating oil that nitrate solution is closed in high-density satiety.
compared with prior art, its beneficial effect is in the present invention:
1, introduce succinyl oxide compared with existing dispersion agent, the hardness of product of the present invention is improved; Introduce acid polyol ester, the hydrophilic radical of product can be adjusted according to the different purposes of product, add emulsifying property and the antistatic property of dispersion agent, improve the package stability of emulsifying power and emulsion explosive, the easy milkiness of product is suitable with S-80, but the hardness of product significantly improves, the time of colloidal stability is kept to be enhanced about more than once.
2, the present invention adopts common polyisobutene or high-activity polyisobutene, and raw material sources are extensive, and reaction process is simple, and polyvalent alcohol and boric acid are all at common commercial products, and product cost can reduce 10%-20% compared with T152-T155.
3, the w/o type dispersion agent that the present invention is applicable to high-density supersaturation nitrate solution is not only applicable to industrial emulsion explosive, and be also applicable to lubricating oil, range of application is wider.
4, the dispersion agent that prepared by the present invention has excellent emulsifying capacity, and compared with now widely used S-80, polyisobutene succinimide class dispersion agent, its product performance prepared all improve a lot.Adopt identical test formula, identical working condition, the different emulsifiers product performance index contrast storing six months is as shown in table 1;
Table 1
| Emulsifying agent title | Apparent condition | Gap distance | Explosion velocity | Acting ability | Brisance |
| S-80 | Soft, local crystallization | 1cm | 2320m/s | 307ml | 12.2mm |
| T-154 | Firmly, elastic force is weak | 4cm | 4655m/s | 312ml | 16.3mm |
| Product of the present invention | Firmly, resilient beam | 6cm | 5436m/s | 323ml | 18.5mm |
5, polyisobutylene succinic acid ester compound is adopted to be raw material, the dispersion agent polarity group wetting ability preparing gained controls by selecting the polyisobutene of different molecular weight or the polyvalent alcohol of different molecular weight, so both can meet the high requirement of bulk products mobility, the requirement that wrapped product gelation hardness is large can have been met again.
6, adopt dispersion agent of the present invention to prepare colloid and there is good performance, the oil phase material consumption of 10%-20% in emulsion explosive can be reduced, meet the requirement of industrial emulsion explosive oxygen balance, the blast performance of product is improved, stability in storage strengthens, this product simultaneously can also as application of dispersant in lubricating oil, the effectively gathering of dispersion greasy filth.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
It will be understood to those of skill in the art that the following example only for illustration of the present invention, and should not be considered as limiting scope of the present invention.Unreceipted concrete technology or condition person in embodiment, according to the technology described by the document in this area or condition or carry out according to product description.Agents useful for same or the unreceipted production firm person of instrument, being can by buying the conventional products obtained.
The mesohalobic concentration of the present embodiment is not specifically limited.
Embodiment 1
1mol polyisobutene is added in reactor in the presence of oxygen, is slowly warming up to 110 DEG C, under agitation add 1.1mol succinyl oxide and 0.012mol Sodium Persulfate, temperature controls at 100 ~ 150 DEG C of reaction 2h, be warming up to 200 ~ 230 DEG C further, reaction 2h, obtains polyisobutylene succinic anhydride;
2mol glycerol is added in another reactor, under agitation, add sodium hydroxide, sodium hydroxide add that molar weight is glycerol quality 0.4%, slow intensification, slowly adds 1mol boric acid after temperature reaches 100 DEG C, and temperature controls at 100 ~ 150 DEG C, react 3h under nitrogen protection or under vacuum state, obtain boroglyceride;
Take 1mol polyisobutylene succinic anhydride, dimethylbenzene (add 30% that quality is polyisobutene total mass), 0.8mol boroglyceride add in the 3rd reactor, open and stir and slowly heat up, start to vacuumize when temperature reaches 160 DEG C, vacuum degree control is between 0.01 ~ 0.1, then temperature controls the thick product namely obtaining the sweet ester of polyisobutylene succinic acid boric acid two 160 ~ 220 DEG C of reactions for 2 hours, thick product is through salt water washing, filter, get precipitation, obtain the sweet ester of polyisobutylene succinic acid boric acid two, be dispersion agent of the present invention.
Embodiment 2
1mol polyisobutene is added in reactor in the presence of oxygen, slowly be warming up to 100 DEG C, under agitation add 1mol succinyl oxide and 0.012mol peroxy dicarbonate double hexadecyl ester, temperature controls at 100 ~ 150 DEG C of reaction 1h, be warming up to 200 ~ 230 DEG C further, reaction 2h, obtains polyisobutylene succinic anhydride;
1mol sorbyl alcohol is added in another reactor, under agitation, add phosphoric acid, phosphoric acid add that molar weight is sorbyl alcohol quality 0.2%, slow intensification, slowly adds 1mol boric acid after temperature reaches 100 DEG C, and temperature controls at 100 ~ 150 DEG C, react 2.5h under nitrogen protection or under vacuum state, obtain boric acid sorbitol ester;
Take 1mol polyisobutylene succinic anhydride, dimethylbenzene (add 40% that quality is polyisobutene total mass), 0.5mol boric acid sorbitol ester add in the 3rd reactor, open and stir and slowly heat up, start to vacuumize when temperature reaches 160 DEG C, vacuum degree control is between 0.01 ~ 0.1, then temperature controls the thick product namely obtaining polyisobutylene succinic acid boric acid sorbitol ester 160 ~ 220 DEG C of reactions for 2.2 hours, thick product is through salt water washing, filter, get precipitation, obtain polyisobutylene succinic acid boric acid sorbitol ester, be dispersion agent of the present invention.
Embodiment 3
1mol polyisobutene is added in reactor in the presence of oxygen, is slowly warming up to 110 DEG C, under agitation add 1.1mol succinyl oxide and 0.05mol ammonium persulphate, temperature controls at 100 ~ 150 DEG C of reaction 2h, be warming up to 200 ~ 230 DEG C further, reaction 3h, obtains polyisobutylene succinic anhydride;
2.2mol tetramethylolmethane is added in another reactor, under agitation, add potassium hydroxide, potassium hydroxide add that molar weight is tetramethylolmethane quality 0.3%, slow intensification, slowly adds 1mol boric acid after temperature reaches 100 DEG C, and temperature controls at 100 ~ 150 DEG C, react 2h under nitrogen protection or under vacuum state, obtain boric acid pentaerythritol ester;
Take 1mol polyisobutylene succinic anhydride, base oil (add 35% that quality is polyisobutene total mass), 1mol boroglyceride add in the 3rd reactor, open and stir and slowly heat up, inflated with nitrogen is started when temperature reaches 160 DEG C, then temperature controls the thick product namely obtaining polyisobutylene succinic acid boric acid pentaerythritol ester 160 ~ 220 DEG C of reactions for 2.5 hours, thick product is through salt water washing, filter, get precipitation, obtain polyisobutylene succinic acid boric acid pentaerythritol ester, be dispersion agent of the present invention.
Embodiment 4
1mol polyisobutene is added in reactor in the presence of oxygen, slowly be warming up to 150 DEG C, under agitation add 1.2mol succinyl oxide and 0.01mol dicumyl peroxide, temperature controls at 100 ~ 150 DEG C of reaction 2h, be warming up to 200 ~ 230 DEG C further, reaction 2.5h, obtains polyisobutylene succinic anhydride;
2mol Xylitol is added in another reactor, under agitation, add sodium hydroxide, sodium hydroxide add that molar weight is Xylitol quality 0.5%, slow intensification, slowly adds 2.5mol boric acid after temperature reaches 100 DEG C, and temperature controls at 100 ~ 150 DEG C, react 2h under nitrogen protection or under vacuum state, obtain boric acid xylitol ester;
Take 1mol polyisobutylene succinic anhydride, base oil (add 32% that quality is polyisobutene total mass), 1.1mol boric acid xylitol ester add in the 3rd reactor, open and stir and slowly heat up, start to vacuumize when temperature reaches 160 DEG C, vacuum degree control is between 0.01 ~ 0.1, then temperature controls the thick product namely obtaining polyisobutylene succinic acid boric acid xylitol ester 160 ~ 220 DEG C of reactions for 2 hours, thick product is through salt water washing, filter, get precipitation, obtain polyisobutylene succinic acid boric acid xylitol ester, be dispersion agent of the present invention.
Embodiment 5
1mol polyisobutene is added in reactor in the presence of oxygen, slowly be warming up to 100 DEG C, under agitation add 0.7mol succinyl oxide and 0.1mol peroxy dicarbonate double hexadecyl ester, temperature controls at 100 ~ 150 DEG C of reaction 3h, be warming up to 200 ~ 230 DEG C further, reaction 2h, obtains polyisobutylene succinic anhydride;
1.1mol N.F,USP MANNITOL, 1.1mol glycerol are added in another reactor, under agitation, add phosphoric acid, add that molar weight is N.F,USP MANNITOL quality 0.1% of phosphoric acid, slow intensification, slowly adds 1mol boric acid after temperature reaches 100 DEG C, and temperature controls at 100 ~ 150 DEG C, react 2.5h under nitrogen protection or under vacuum state, obtain acid polyol ester;
Take 1mol polyisobutylene succinic anhydride, No. 30 machine oil (add 38% that quality is polyisobutene total mass), 0.9mol acid polyol ester add in the 3rd reactor, open and stir and slowly heat up, inflated with nitrogen is started when temperature reaches 160 DEG C, then temperature controls the thick product namely obtaining polyisobutylene succinic anhydride acid polyol ester 160 ~ 220 DEG C of reactions for 3 hours, thick product is through salt water washing, filter, get precipitation, obtain polyisobutylene succinic anhydride acid polyol ester, be dispersion agent of the present invention.
performance Detection:
Index is as follows after testing for dispersion agent product performance of the present invention:
Outward appearance: transparent;
Optical density(OD): 0.02 ~ 0.2;
Acid number (mgKOH/g): 0.2 ~ 0.9;
Total nitrogen (%): 2 ~ 3.5;
Oxidation stability (dividing): 5 ~ 7;
Viscosity (cps): 200 ~ 300.
application examples 1
S-80, T-154 and dispersion agent product of the present invention is adopted to prepare emulsion explosive as emulsifying agent, the weight percent of emulsion explosive is: ammonium nitrate 74%, SODIUMNITRATE 8%, water 11%, emulsifying agent 2.3%, emulsion explosive compound wax 4.7%(Guangdong Hua Yue company produce), then store six months, the contrast of its emulsion explosive product performance index is as shown in table 2.
Table 2
| The emulsifying agent used | Apparent condition | Gap distance | Explosion velocity | Acting ability | Brisance |
| S-80 | Soft, local crystallization | 1cm | 2320m/s | 307ml | 12.2mm |
| T-154 | Firmly, elastic force is weak | 4cm | 4655m/s | 312ml | 16.3mm |
| Dispersion agent product of the present invention | Firmly, resilient beam | 6cm | 5436m/s | 323ml | 18.5mm |
As can be known from Table 2, dispersion agent product effect of the present invention is all better than S-80 and T-154, improves the package stability of emulsion explosive.
application examples 2
Lubricating oil is meeting accelerated oxidation when heating use, and the result of oxidation forms settling on the reactor wall, and settling is carbon deposit mainly, evaluated by volumetric fuel deposition M on the reactor wall as criterion to Additive Properties.Use dispersion agent and traditional dispersion agent described in the present invention to disperse same lubricating oil, comparing result is as shown in table 3.
Table 3
| Sediment yield, M, gL -1 | Settling reduces, △ M, 100% | |
| Do not add dispersion agent | 2.688 | - |
| Tradition dispersion agent | 1.528 | 40.9 |
| Product of the present invention | 1.426 | 46.9 |
As known from Table 3, product of the present invention has good dispersiveness, can be used as dispersion agent and is widely used in various lubricating oil.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. one kind is applicable to the preparation method that the w/o type dispersion agent of nitrate solution is closed in high-density satiety, it is characterized in that, first catalytic heat addition legal system is adopted to obtain polyisobutylene succinic anhydride by polyisobutene and succinyl oxide, secondly polyvalent alcohol and boric acid carry out esterification and form acid polyol ester, finally polyisobutylene succinic anhydride and acid polyol ester are carried out esterification, obtained polyisobutylene succinic anhydride acid polyol ester, is namely applicable to the w/o type dispersion agent that nitrate solution is closed in high-density satiety.
2. the preparation method being applicable to the w/o type dispersion agent of high-density satiety conjunction nitrate solution according to claim 1, it is characterized in that, when described polyisobutene and succinyl oxide adopt catalytic thermal treatment legal explained hereafter, the catalyzer adopted is peroxy dicarbonate double hexadecyl ester, dicumyl peroxide, ammonium persulphate or Sodium Persulfate, the mol ratio of polyisobutene, succinyl oxide and catalyzer three is 1:0.7-1.2:0.01-0.1, the molecular weight 500 ~ 3000 of described polyisobutene.
3. the preparation method being applicable to the w/o type dispersion agent of high-density satiety conjunction nitrate solution according to claim 1, it is characterized in that, described polyisobutene is high-activity polyisobutene, and molecular weight is 500 ~ 2000.
4. the preparation method being applicable to the w/o type dispersion agent of high-density satiety conjunction nitrate solution according to claim 1, it is characterized in that, it is carry out at 100-150 DEG C that described boric acid and polyvalent alcohol carry out the esterification esterification formed in acid polyol ester, the mol ratio of boric acid and polyvalent alcohol is 1:0.8-2.2, reaction process also adds catalyzer, catalyzer is NaOH, phosphoric acid or KOH, the mole dosage of catalyzer is the 0.1-0.5% of polyvalent alcohol total mass, this esterification be carry out in the presence of nitrogen or under vacuum state.
5. the preparation method being applicable to the w/o type dispersion agent of high-density satiety conjunction nitrate solution according to claim 1, it is characterized in that, described polyvalent alcohol is one or both mixture in glycerol, tetramethylolmethane, sorbyl alcohol, N.F,USP MANNITOL and Xylitol.
6. the preparation method being applicable to the w/o type dispersion agent of high-density satiety conjunction nitrate solution according to claim 1, it is characterized in that, when described polyisobutylene succinic anhydride and acid polyol ester carry out esterification, using any one in dimethylbenzene, base oil and No. 30 machine oil as thinner, thinner add the 30-40% that quality is polyisobutene total mass; The mol ratio of polyisobutylene succinic anhydride and acid polyol ester is 1:0.5-1.1, temperature of reaction 160-220 DEG C, reaction times 2-3h, and this esterification is carry out in the presence of nitrogen or under vacuum state.
7. the preparation method being applicable to the w/o type dispersion agent of high-density satiety conjunction nitrate solution according to claim 1, is characterized in that, comprise the steps:
Step (1), polyisobutene is warming up to 100 ~ 150 DEG C, be 1:0.7-1.2:0.01-0.1 according to the mol ratio of polyisobutene, succinyl oxide and catalyzer three, add succinyl oxide and catalyzer, keep thermotonus 1-3h, be warming up to 200-230 DEG C of reaction 2-3 hour further again, obtain polyisobutylene succinic anhydride; Described catalyzer is peroxy dicarbonate double hexadecyl ester, dicumyl peroxide, ammonium persulphate or Sodium Persulfate;
Step (2), the catalyzer that quality is the 0.1-0.5% of polyvalent alcohol total mass is added in polyvalent alcohol, then 100 ~ 150 DEG C are warming up to, under agitation add boric acid by the add-on of boric acid and polyol mole ratio 1:0.8 ~ 2.2 again, reaction reacts 2 ~ 3h under nitrogen protection or under vacuum state, obtains acid polyol ester; Described catalyzer is NaOH, phosphoric acid or KOH;
Step (3), using any one in dimethylbenzene, base oil and No. 30 machine oil as thinner, the further esterification of acid polyol ester that the polyisobutylene succinic anhydride obtain step (1) and step (2) obtain, obtain polyisobutylene succinic anhydride acid polyol ester, be namely applicable to the w/o type dispersion agent that nitrate solution is closed in high-density satiety; Thinner add the 30-40% that quality is polyisobutene total mass; The mol ratio of polyisobutylene succinic anhydride and acid polyol ester is 1:0.5-1.1, temperature of reaction 160-220 DEG C, reaction times 2-3h, and this esterification is carry out in the presence of nitrogen or under vacuum state.
8. the w/o type dispersion agent being applicable to high-density satiety conjunction nitrate solution that the preparation method that claim 1-7 any one is applicable to the w/o type dispersion agent of high-density satiety conjunction nitrate solution obtains.
9. the application of w/o type dispersion agent in industrial emulsion explosive being applicable to high-density satiety conjunction nitrate solution according to claim 8.
10. the application of w/o type dispersion agent in lubricating oil being applicable to high-density satiety conjunction nitrate solution according to claim 8.
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| CN106008760A (en) * | 2016-05-12 | 2016-10-12 | 葛洲坝易普力湖北昌泰民爆有限公司 | Synthesis method for lipid polymer emulsifier for emulsion explosives |
| CN107523380A (en) * | 2017-09-30 | 2017-12-29 | 广州米奇化工有限公司 | Friction improver and preparation method thereof, application |
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| CN107523380A (en) * | 2017-09-30 | 2017-12-29 | 广州米奇化工有限公司 | Friction improver and preparation method thereof, application |
| CN107523380B (en) * | 2017-09-30 | 2020-02-11 | 广州米奇化工有限公司 | Friction modifier and preparation method and application thereof |
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Application publication date: 20151216 |