CN106083497A - A kind of LZ2735 emulsifying agent and preparation method thereof - Google Patents
A kind of LZ2735 emulsifying agent and preparation method thereof Download PDFInfo
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- CN106083497A CN106083497A CN201610461349.4A CN201610461349A CN106083497A CN 106083497 A CN106083497 A CN 106083497A CN 201610461349 A CN201610461349 A CN 201610461349A CN 106083497 A CN106083497 A CN 106083497A
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
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Abstract
The invention discloses a kind of LZ2735 emulsifying agent, it is characterized in that, it is made up of the raw material of following weight portion: oleic acid 700～720 parts, sorbitol 370～400 parts, catalyst 3.5～4 parts, tetramethyl water 330～360 parts, described catalyst is KOH or tetramethyl water, and described tetramethyl water is mixed by the raw material of following weight portion: sodium chloride 5～8 parts, distilled water 100～120 parts, KOH 10～15 parts, methanol 3～5 parts, Tetramethylammonium hydroxide 3～5 parts.The present invention is soluble in water, modest viscosity, and emulsifying capacity is strong, and good fluidity, to store the time long, can meet long distance work and can reach more than 500 800 kilometers.
Description
Technical field
The present invention relates to a kind of emulsifying agent, be specifically related to LZ2735 emulsifying agent and preparation method thereof.
Background technology
Emulsification blasting agent mixing vehicle is ore deposit demolition site in the open, carries out continuous emulsification and sensitization on emulsification blasting agent mixing vehicle
Production and processing emulsion, and the automated machine equipment integrating transport, preparation, powder charge being delivered directly in big gun hole.
The emulsion of preparation is water-in-oil type (w/o), without cap-sensitivity, has safety good, and preparation technology is simple, and detonation property is excellent
The feature such as different.Emulsion is mainly made up of aqueous inorganic oxidizer salt solution, oil phase material and emulsifying agent.By the work of emulsifying agent
With making the aqueous inorganic oxidizer salt solution of more than 90wt% less than 10wt% oil phase material as continuous phase in mechanical dispersion power
Effect emulsified, formed water-in-oil type (w/o) emulsion matrix.Owing to emulsion matrix is non-thermodynamic stable system, divided
The dispersion phase being dispersed in continuous phase exists with fine droplets, easily gathering, breakdown of emulsion.Emulsion matrix stability depends on interface
Film strength, and interface film strength is closely related with the interfacial film thickness of the structure of emulsifying agent and formation.Therefore, emulsifying agent is
Affect the main cause of emulsion matrix stability.Emulsification blasting agent mixing vehicle is ore deposit demolition site in the open, at emulsification blasting agent mixing
Carry out continuous emulsification and sensitization production and processing emulsion on car, and be delivered directly in big gun hole collect transport, preparation, powder charge in
The automated machine equipment of one.The emulsion of preparation is water-in-oil type (w/o), without cap-sensitivity, has safety good, system
The features such as standby technique is simple, and detonation property is excellent.Emulsion is mainly by aqueous inorganic oxidizer salt solution, oil phase material and emulsifying
Agent forms.Made inorganic oxidizer of more than 90wt% less than 10wt% oil phase material as continuous phase by the effect of emulsifying agent
Saline solution is emulsified in the effect of mechanical dispersion power, forms the emulsion matrix of water-in-oil type (w/o).Due to emulsion matrix right and wrong
Thermodynamic stable system, the dispersion phase being dispersed in continuous phase exists with fine droplets, easily gathering, breakdown of emulsion.Latex
Matrix stability depends on interface film strength, and interface film strength is close with the interfacial film thickness of the structure of emulsifying agent and formation
Cut is closed.Therefore, emulsifying agent is the main cause affecting emulsion matrix stability.
At present, the emulsifying agent in emulsification blasting agent mixing vehicle application is mainly Sp-80.Patent EP01429 proposes
Emulsion prepared by emulsifying agent, and the compactness of its emulsifying film formed and film-strength are the most very poor, therefore stability is the lowest.Steady for improving
Qualitative addition emulsion stabilizer serves certain effect, but effect is the most undesirable.Had in recent years and macromolecule emulsifier was applied
Propose to replace carboxylic with macromolecule alkyl in the preparation of emulsion, such as patent USP4708753, USP4828633 and GB2216128
Succimide family macromolecule emulsifying agent is prepared in acid and polyamine compounds reaction, although improve emulsifying film strength and pliable and tough
Property, but its equal relative molecular weight of number is relatively big, and hydrophilic group is few, therefore emulsifying power is low, and the shear strength needed for emulsifying is high.This kind of
Emulsifying agent high temperature easily decomposes generation ammonia and carbon dioxide, and the emulsion matrix of preparation has certain detonation sensitivity, inapplicable
In emulsification blasting agent mixing vehicle.The polyisobutylene series emulsifier viscosity of domestic production is big, does not meets emulsification blasting agent mixing vehicle requirement,
Therefore it is rarely applied to blasting agent mixing vehicle commercial production.At present, the emulsifying agent in emulsification blasting agent mixing vehicle application is mainly Sp-80.
Patent EP01429 proposes to prepare emulsion with Sp-80 for emulsifying agent, and the compactness of its emulsifying film formed and film-strength are the most very
Difference, therefore stability is the lowest.Serve certain effect for improving stability addition emulsion stabilizer, but effect is the most undesirable.Closely
Have the preparation that macromolecule emulsifier is applied to emulsion year a bit, as patent USP4708753, USP4828633 and
GB2216128 proposes to prepare succimide family macromolecule emulsifying with macromolecule alkyl substituted carboxylic acid and polyamine compounds reaction
Agent, although improve emulsifying film strength and pliability, but its equal relative molecular weight of number is relatively big, and hydrophilic group is few, therefore emulsifying
Efficiency is low, and the shear strength needed for emulsifying is high.This kind of emulsifying agent high temperature easily decomposes generation ammonia and carbon dioxide, the latex of preparation
Substrate has certain detonation sensitivity, is not suitable for emulsification blasting agent mixing vehicle.The polyisobutylene series emulsifying agent of domestic production
Viscosity is big, does not meets emulsification blasting agent mixing vehicle requirement, therefore is rarely applied to blasting agent mixing vehicle commercial production.
Summary of the invention
It is an object of the invention to overcome defect and deficiency present in prior art, it is provided that a kind of soluble in water, stability
Good, emulsifying capacity is strong LZ2735 emulsifying agent and preparation method thereof.
For realizing object above, the technical solution of the present invention is:
A kind of LZ2735 emulsifying agent, is characterized in that, be made up of the raw material of following weight portion:
Oleic acid 700～720 parts, sorbitol 370～400 parts, catalyst 3.5～4 parts, tetramethyl water 330～360 parts, described catalysis
Agent is KOH or tetramethyl water, and described tetramethyl water is the mixture of sodium chloride, distilled water, KOH, methanol, Tetramethylammonium hydroxide.
Described tetramethyl water is mixed by the raw material of following weight portion: sodium chloride 5～8 parts, distilled water 100～120 parts,
KOH 10～15 parts, methanol 3～5 parts, Tetramethylammonium hydroxide 3～5 parts.
The preparation method of a kind of LZ2735 emulsifying agent, comprises the following steps:
1) oleic acid and sorbitol are proportionally added in esterifying kettle, react 1～1.5 hour under 200～210 DEG C of reaction temperatures；
2) by step 1) to mixture proceed to stillpot and slag tap, still to be precipitated does not has impurity proceed to after leaching be combined
Still；
3) catalyst and tetramethyl water are proportionally added into compound still, react 1.5～2 hours under the reaction temperature of 95～105 DEG C
Obtain finished product；
4) finished product that step 3) obtains is chemically examined, and the finished product packing meeting assay standard is put in storage.
Assay standard in described step 4) is acid number≤3.0mgKOH/g, saponification number 138-170mgKOH/g, hydroxyl value
215-262 mgKOH/g。
Compared with prior art, the invention have the benefit that
1, the effect that the tetramethyl water in the present invention can play uniformly, mix, dissolves, can be effectively improved the molten water energy of emulsifying agent
Power, and tetramethyl water can also play the effect of catalyst in course of reaction, can effectively shorten the response time, improves reflection effect
Rate, and when emulsifying agent mixes with porous grain ammonium nitrate, there is outstanding compatibility, emulsifying capacity is strong.
2, the emulsifier viscosity that the present invention produces is 30～38, and modest viscosity is suitable to entrucking.
3, good fluidity in the present invention, stores the time long, can meet long distance work and can reach more than 500-800 kilometer,
This product can match in excellence or beauty with state's imported products such as Lu Borun LZ2735 and Australia.
Detailed description of the invention
Embodiment 1
A kind of LZ2735 emulsifying agent, is characterized in that, be made up of the raw material of following weight portion:
Oleic acid 715 parts, sorbitol 380 parts, KOH3.7 part, 350 parts of tetramethyl water, described tetramethyl water is mixed by the raw material of following weight portion
Conjunction forms: 5 parts of sodium chloride, distilled water 100 parts, KOH 10 parts, methanol 3 parts, Tetramethylammonium hydroxide 3 parts.
The preparation method of a kind of LZ2735 emulsifying agent, comprises the following steps:
1) oleic acid and sorbitol are proportionally added in esterifying kettle, react 1.5 hours under 200 DEG C of reaction temperatures；
2) by step 1) to mixture proceed to stillpot and slag tap, still to be precipitated does not has impurity proceed to after leaching be combined
Still；
3) KOH and tetramethyl water being proportionally added into compound still, under the reaction temperature of 95 DEG C, reaction obtains finished product in 2 hours；
4) finished product that step 3) obtains is chemically examined, and the finished product packing meeting assay standard is put in storage.
The analysis data of this product is: acid number 2.82mgKOH/g, saponification number 149mgKOH/g, hydroxyl value 245mgkoH/g.
Embodiment 2
A kind of LZ2735 emulsifying agent, is characterized in that, be made up of the raw material of following weight portion:
Oleic acid 700 parts, sorbitol 370 parts, 335 parts of tetramethyl water, described tetramethyl water is mixed by the raw material of following weight portion: chlorine
Change 8 parts of sodium, distilled water 120 parts, KOH 15 parts, methanol 5 parts, Tetramethylammonium hydroxide 5 parts.
The preparation method of a kind of LZ2735 emulsifying agent, comprises the following steps:
1) oleic acid and sorbitol are proportionally added in esterifying kettle, react 1 hour under 210 DEG C of reaction temperatures；
2) by step 1) to mixture proceed to stillpot and slag tap, still to be precipitated does not has impurity proceed to after leaching be combined
Still；
3) tetramethyl water being proportionally added into compound still, under the reaction temperature of 105 DEG C, reaction obtains finished product in 1.5 hours；
4) finished product that step 3) obtains is chemically examined, and the finished product packing meeting assay standard is put in storage.
The analysis data of this product is: acid number 2.73mgKOH/g, saponification number 150mgKOH/g, hydroxyl value 243mgkoH/g.
Embodiment 3
A kind of LZ2735 emulsifying agent, is characterized in that, be made up of the raw material of following weight portion:
Oleic acid 720 parts, sorbitol 400 parts, KOH 3.5 parts, 360 parts of tetramethyl water, described tetramethyl water is by the raw material of following weight portion
Mix: 7 parts of sodium chloride, distilled water 112 parts, KOH 12 parts, methanol 3.8 parts, Tetramethylammonium hydroxide 4.5 parts.
The preparation method of a kind of LZ2735 emulsifying agent, comprises the following steps:
1) oleic acid and sorbitol are proportionally added in esterifying kettle, react 1.2 hours under 205 DEG C of reaction temperatures；
2) by step 1) to mixture proceed to stillpot and slag tap, still to be precipitated does not has impurity proceed to after leaching be combined
Still；
3) catalyst and tetramethyl water are proportionally added into compound still, react to be become for 1.8 hours under the reaction temperature of 102 DEG C
Product；
4) finished product that step 3) obtains is chemically examined, and the finished product packing meeting assay standard is put in storage.
The analysis data of this product is: acid number 2.68mgKOH/g, saponification number 148mgKOH/g, hydroxyl value 246mgkoH/g.
Claims (4)
1. a LZ2735 emulsifying agent, is characterized in that, is made up of the raw material of following weight portion:
Oleic acid 700～720 parts, sorbitol 370～400 parts, catalyst 3.5～4 parts, tetramethyl water 330～360 parts, described catalysis
Agent is KOH or tetramethyl water, and described tetramethyl water is the mixture of sodium chloride, distilled water, KOH, methanol, Tetramethylammonium hydroxide.
LZ2735 emulsifying agent the most according to claim 1, it is characterised in that described tetramethyl water is by the raw material of following weight portion
Mix: sodium chloride 5～8 parts, distilled water 100～120 parts, KOH 10～15 parts, methanol 3～5 parts, Tetramethylammonium hydroxide
3～5 parts.
3. a preparation method for the LZ2735 emulsifying agent described in claim 1, comprises the following steps:
1) oleic acid and sorbitol are proportionally added in esterifying kettle, react 1～1.5 hour under 200～210 DEG C of reaction temperatures；
2) by step 1) to mixture proceed to stillpot and slag tap, still to be precipitated does not has impurity proceed to after leaching be combined
Still；
3) catalyst and tetramethyl water are proportionally added into compound still, react 1.5～2 hours under the reaction temperature of 95～105 DEG C
Obtain finished product；
4) finished product that step 3) obtains is chemically examined, and the finished product packing meeting assay standard is put in storage.
4. the preparation method of a kind of LZ2735 emulsifying agent stated according to claim 3, it is characterised in that: the chemical examination in described step 4)
Standard is acid number≤3.0mgKOH/g, saponification number 138-170 mgKOH/g, hydroxyl value 215-262 mgkoH/g.
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Application publication date: 20161109 |
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