CN109805010A - A kind of still, low surface tension surfactant and its preparation method and application - Google Patents
A kind of still, low surface tension surfactant and its preparation method and application Download PDFInfo
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- CN109805010A CN109805010A CN201910181280.3A CN201910181280A CN109805010A CN 109805010 A CN109805010 A CN 109805010A CN 201910181280 A CN201910181280 A CN 201910181280A CN 109805010 A CN109805010 A CN 109805010A
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Abstract
The present invention discloses still, low surface tension the surfactant of one kind and preparation method and application, still, low surface tension the surfactant is calculated by mass percentage to be mixed by 40-60%PEG400MO, 35-50%NP-4 and 5-15%RM2020 by simply heating and be prepared, the RM2020 is the block copolymer of C8~C10 fatty alcohol ether EO and PO, foaming power is 0mL, surface tension 32-33mN/m after it dilutes 1000 times.1min foaming characteristic is 0mL after 250 times of dilution agent of oil-suspending agent type weeding obtained by after its application containing nicosulfuron and atrazine, diluting 1000 times of rear surface tension is 28-30mN/m, therefore after its use, nicosulfuron and atrazine can be easier to penetrate into the blade face of weeds and stem root, to improve its weeding rate to unit area crops, the weeding cost of unit area crops is reduced.
Description
Technical field
The present invention relates to a kind of still, low surface tension surfactants and its preparation method and application, belong to green wood
The preparation and application field of fine chemicals in material technology.
Background technique
Surfactant is a kind of substance that just can significantly reduce table (boundary) face tension when additive amount is seldom, molecule tool
Have unique texture: one end is hydrophilic polar group, and the other end is lipophilic non-polar group, also referred to as amphiphile, amphiphilic molecule.
Micella, lysotropic liquid crystal, microemulsion, vesica, vermiculate glues, microemulsion gel etc. can be spontaneously formed in the solution to stablize, orderly
The associative structure of arrangement.It is widely used in human being's production, the various aspects of life, is commonly called as " industrial monosodium glutamate ".
But surfactant usually all have foaming characteristic, this foaming characteristic facilitate its in household chemicals such as toothpaste, wash one's hair
The application in the fields such as bath foam, liquid detergent, shampoo, but in many industrial circles, especially led in new and high technology developing material
In the zero-emission industrialized production of domain or water circulation use, this foam can bring fatal harm, lead to the application of material
It can be deteriorated or the production and processing of material is interrupted because of foam or foam leads to the production technology water pollution of material, aggravate dirty
Water process burden etc. bubble-related issues.It is used using the industrial products manufacturing enterprise of surfactant in order to reduce surfactant
The foam of middle generation, can usually be added various types of defoaming agents, not only will increase industrial production cost, and defoaming agent itself
Biological degradability it is poor, accumulated for a long time in the recirculated water of zero-emission, the COD and BOD in water, which will increase, leads to later period water process
Difficulty and cost increase.
And the surface tension of the strong hc-surfactant of traditional foaming power usually (selects from " surface-active in 27-41mN/m
Agent action principle ", Zhu Zhao GuoxiPrecious jade writes, China Light Industry Press), possess higher reduction aqueous solution surface tension effect
Rate, and physical and chemical performance and application performance are all fine, but foaming power is very high, so as to cause inevitably occurring foam when using
Problem.
In order to solve the foaming power i.e. bubble-related issues of surfactant, many surfactant manufacturing enterprises and scientific and technical research
Person is devoted for years in this, such as BASF, DOW, Clariant, Huntsman, the worlds such as Air Product, Solvay (Rhodia)
Well-known surfactant enterprise is active in always technology and the application and development field of low foaming surfactant, and wherein BASF is low
The pioneer and leader of foam surfactants technology, the Pluronic series of products of BASF represent the low bubble of existing market and nothing
The state of the art of foam surfactants, wherein low bubble product Pluronic L62 and Pluronic L64 is in 0.1% concentration, table
Face tension is 44mN/m, and 5min foaming power is respectively 25mL and 48mL.In order to reduce above-mentioned Pluronic L62 and
The foaming power of Pluronic L64, BASF develop bubble-free prod Pluronic 17R4, and in 0.1% concentration, surface tension is
44mN/m, 5min foaming power are 0mL.Although Pluronic 17R4 achieves progress in terms of foaming power, surface tension is still
It is higher, the surface tension 27-41mN/m of the hc-surfactant strong higher than traditional foaming power.
In conclusion at present there is an urgent need to develop a kind of still or low bubble, and the surfactant that surface tension is low.
Summary of the invention
An object of the present invention is to provide above-mentioned still, low surface tension the surfactant of one kind, this is still, low
The 5min foaming power of resulting dilution is 0mL, table after the surfactant of surface tension dilutes 1000 times with secondary distilled water
Face tension is 32-33mN/m.
The second object of the present invention is to provide the preparation side of above-mentioned still, low surface tension the surfactant of one kind
Method, for the preparation method since preparation process only simply heats, stirs and evenly mixs, simple production process is easy, produces
There is no three waste discharge in journey, meets the theory of environmental protection production.
The third object of the present invention is to provide above-mentioned still, low surface tension the surfactant of one kind in herbicide
Application method.
Technical principle of the invention
By the compounded technology of variety classes surfactant, accelerate when conventional surfactant forms foam between bubble
Liquid film drain age velocity reduces liquid film elasticity and viscosity, so that foam is at formation initial stage due to can not form enough thickness of liquid films
Continual and steady froth bed can not be formed, so that the foaming power for the surfactant for making this multiple groups part be combined is poor, in reality
Border shows as still feature in.Meanwhile the surfactant that this multiple groups part is combined is due to longer hydrophobic
Base still is able to form micelle in liquid phase such as water, forms monomolecular film in gas-liquid interface, it is thus possible to reduce surface tension, have
There are the various physical and chemical performances of conventional surfactant and application performance.
Technical solution of the present invention
A kind of still, low surface tension surfactant, is calculated by mass percentage, and raw material composition and content are such as
Under:
Active constituent A 40-60%
Active constituent B 35-50%
Active constituent C 5-15%；
The active constituent A is PEG400MO, and the PEG400MO is that average molecular weight is 400 polyethyleneglycols oil
Acid esters；
The active constituent B is NP-4, and the NP-4 is the nonylphenol polyoxyethylene ether that average EO number is 4；
The active constituent C is RM2020, and the RM2020 is C8~C10 fatty alcohol ether EO and PO block copolymerization
Object, wherein EO is polyoxyethylene, and PO is polyoxypropylene.
The preparation method of above-mentioned still, low surface tension the surfactant of one kind, preparation process specifically include as
Lower step:
Active constituent C is added in reaction kettle first, being heated to 60-70 DEG C makes active constituent C i.e. RM2020 become saturating
Then bright working fluid is added sequentially to active constituent A, active constituent B in reaction kettle again, control revolving speed is 80-100r/
Min is after mixing evenly up to still, low surface tension surfactant.
Above-mentioned resulting one kind is still, low surface tension surfactant is through in national articles for washing quality supervision and test
The heart is measured according to QB/T2486-2008 method, and the 5min of resulting dilution is sent out after diluting 1000 times with second distillation
Bubble power is 0mL, according to QB/T4086-2010 method, the surface of resulting dilution after diluting 1000 times with second distillation
Power is 32-33mN/m.
The preparation method of above-mentioned still, low surface tension the surfactant of one kind, preparation process is due to only simple
Heating, the operating process such as stir and evenly mix, therefore preparation process has simple process, easy to operate, does not have three in preparation process
Useless discharge, meets the theory of environmental protection production.
The application of above-mentioned still, low surface tension the surfactant of one kind, especially in oil-suspending agent type herbicide
In application, the present invention only by it in the oil-suspending agent type herbicide containing nicosulfuron and atrazine application for saying
It is bright, but be not intended to limit it and may need answering in the product of still, low surface tension surfactant of the invention at other
With.
A kind of above-mentioned oil-suspending agent type herbicide containing nicosulfuron and atrazine, is calculated by mass percentage, former
Material composition and content are as follows:
A kind of preparation method of above-mentioned oil-suspending agent type herbicide containing nicosulfuron and atrazine, specifically includes as follows
Step:
At room temperature, soybean oil, still, low surface tension surfactant are added sequentially in container first, then
Under conditions of revolving speed is 80-100r/min, control feed rate is that 1g/min sequentially adds organobentonite, atrazine, cigarette
Sulfometuron Methyl continues to control revolving speed after being added to organobentonite, atrazine and nicosulfuron to be that 80-100r/min is stirred
It mixes, until forming uniform slurry；
Then, above-mentioned resulting slurry is sanded to D90≤3.0um by vertical grinding machine to get phonetic containing cigarette
The grand oil-suspending agent type herbicide with atrazine of sulphur.
Advantageous effects of the invention
Still, low surface tension the surfactant of one kind of the invention, due to resulting dilution after 1000 times of dilution
5min foaming power be 0mL, therefore solve and generated caused by foam in the application of conventional surfactant in industrial production
Production procedure disruption, the water pollution problems caused by foam accumulation in the industrial production of water zero discharge, while also solving
Conventional surfactant must be added to using the foam of middle generation caused by defoaming agent that the production cost increases and because of defoaming
Water process load caused by agent difficult for biological degradation increases and the increased costs problem of generation, that is, meets industrial production and environment
Friendly demand.
Further, still, low surface tension the surfactant of one kind of the invention, due to it is raw materials used be that green can
Degradable natural plant grease, therefore rear no pollution to the environment is used, use process environmental protection.
Further, still, low surface tension the surfactant of one kind of the invention, since preparation process is only simple
It heats, stir and evenly mix, therefore simple production process is easy, there is no three waste discharge in production process, meet the theory of environmental protection production.
Further, resulting dilution after still, low surface tension 1000 times of surface-active dilution agent of the invention patent
The surface tension of liquid is 32-33mN/m, i.e. surface tension of the surface tension positioned at the strong hc-surfactant of conventional foaming power
27-41mN/m it is above the average when, and 5min foaming power be 0mL, it means that still, low surface tension surface of the invention
Activating agent is not blistering when using, while the efficiency also with higher for reducing water surface tension, i.e. its application performance and materialization
It can will not be reduced because still.Therefore still, low surface tension surfactant of the invention solves currently marketed
The high surface tension problem that still or low foaming surfactant is generated when reducing foam, to solve currently marketed nothing
The efficiency for the reduction water surface tension that bubble or low foaming surfactant are generated when reducing foam reduces and application performance is beaten greatly
The problem of discount.
Further, it is gone using prepared by still, low surface tension surfactant of the invention containing nicosulfuron and green bristlegrass
The herbicide of saliva oil-suspending agent type 1min foaming characteristic of resulting dilution after 250 times of dilution is 0mL, institute after 1000 times of dilution
The surface tension of the dilution obtained is 28-30mN/m, it is indicated above that living using still, low surface tension surface of the invention
Property agent preparation the herbicide containing nicosulfuron and atrazine oil-suspending agent type, in actual use in the spreadability on weeds blade face
Can be more preferable, the active constituent nicosulfuron and atrazine of herbicide can be easier to penetrate into the blade face of weeds and stem root, weeding
The utilization rate of agent can be higher, and weeding drug effect can play more preferable, to improve its weeding rate to unit area crops, reduces
The weeding cost of unit area crops.
Specific embodiment
The present invention is further described below by specific embodiment, but is not intended to limit the present invention.
Equipment used in various embodiments of the present invention:
Full auto-programs surface tension instrument, model K12, German Kruss company production；
Electric mixer, model JJ-1, the production of Shanghai Si Le Instrument Ltd.；
Vertical grinding machine, model SDF400, the production of Wei Zhong electrical machinery plant, Shenyang City；
Laser particle-size distribution analyzer, the production of Malvern Instr Ltd., Britain；
The all technical grades of raw material used in various embodiments of the present invention, its specification and the information of manufacturer are as follows:
PEG400MO, NP-4, the production of Jiangsu Hai'an petrochemical plant；
RM2020, Jiangsu Zhongshang Chemical Co., Ltd.'s production；
Nicosulfuron, the production of Shandong Xin Nongji Biotechnology Co., Ltd；
Atrazine, Shengbang Luye Chemical Co., Ltd., Shandong's production
Organobentonite, the production of Anji County, Zhejiang Province sky dragon organobentonite Co., Ltd；
Soybean oil, the edible soybean oil of company, China Oil and Food Import and Export Corporation production；
The production of Pluronic 17R4, Pluronic L-64 BASF AG；
Defoaming agent, S-910, Nanjing Sixin Science Application Research Institute Co., Ltd；
Fatty alcohol polyoxyethylene ether O-7, the production of Nantong Chen Run Chemical Co., Ltd.；
Styrylphenol polyoxyethylene ether 601, the production of Jiangsu Hai'an petrochemical plant.
The surface tension of still, low surface tension the surfactant of one kind obtained in various embodiments of the present invention is surveyed
It is fixed: by still, low surface tension surfactant according to QB/T4086-2010 method, to dilute 1000 times with secondary distilled water
After be measured its surface tension；
The foaming power of still, low surface tension the surfactant of one kind obtained in various embodiments of the present invention measures:
It is laggard with 1000 times of secondary distilled water dilution by still, low surface tension surfactant according to QB/T2486-2008 method
Row measures its 5min foaming power.
It is each Application Example of the invention, outstanding using the oil containing nicosulfuron and atrazine obtained in comparative examples
The surface tension test of floating dosage form herbicide: by the oil-suspending agent type herbicide containing nicosulfuron and atrazine according to QB/
T4086-2010 method is measured its surface tension after diluting 1000 times with secondary distilled water；
It is each Application Example of the invention, outstanding using the oil containing nicosulfuron and atrazine obtained in comparative examples
The foaming characteristic measurement of floating dosage form herbicide: by the oil-suspending agent type herbicide containing nicosulfuron and atrazine according to GB/
T28137-2011 pesticide persistent foamability measuring method is measured, and the standard specified in GB/T28137-2011 standard is hard
Water (standard hard water of GB/T28137-2011 defined is with calcium carbonate, 342mg/L) uses the tool plug of 250ml after diluting 250 times
Graduated cylinder is measured its 1min foaming characteristic.
Embodiment 1
A kind of still, low surface tension surfactant, is calculated by mass percentage, and raw material composition and content are such as
Under:
Active constituent A 40%
Active constituent B 50%
Active constituent C 10%；
The active constituent A is PEG400MO, and the PEG400MO is that average molecular weight is 400 polyethyleneglycols oil
Acid esters；
The active constituent B is NP-4, and the NP-4 is the nonylphenol polyoxyethylene ether that average EO number is 4；
The active constituent C is RM2020, and the block that the RM2020 is the fatty alcohol ether EO and PO of C8~C10 is total
Polymers.
The preparation method of above-mentioned still, low surface tension the surfactant of one kind, specifically comprises the following steps:
Active constituent C is added in reaction kettle first, is heated to 60-70 DEG C, active constituent C i.e. RM2020 is made to become saturating
Then bright working fluid is added sequentially to active constituent A, active constituent B in reaction kettle again, control revolving speed is 80-100r/
Min is after mixing evenly up to still, low surface tension surfactant.
Embodiment 2
A kind of still, low surface tension surfactant, is calculated by mass percentage, and raw material composition and content are such as
Under:
Active constituent A 48%
Active constituent B 44%
Active constituent C 8%；
The active constituent A is PEG400MO, and the PEG400MO is that average molecular weight is 400 polyethyleneglycols oil
Acid esters:
The active constituent B is NP-4, and the NP-4 is the nonylphenol polyoxyethylene ether that average EO number is 4；
The active constituent C is RM2020, and the block that the RM2020 is the fatty alcohol ether EO and PO of C8~C10 is total
Polymers.
The preparation method of above-mentioned still, low surface tension the surfactant of one kind, preparation process is the same as embodiment 1.
Embodiment 3
A kind of still, low surface tension surfactant, is calculated by mass percentage, and raw material composition and content are such as
Under:
Active constituent A 60%
Active constituent B 35%
Active constituent C 5%；
The active constituent A is PEG400MO, and the PEG400MO is that average molecular weight is 400 polyethyleneglycols oil
Acid esters:
The active constituent B is NP-4, and the NP-4 is the nonylphenol polyoxyethylene ether that average EO number is 4；
The active constituent C is RM2020, and the block that the RM2020 is the fatty alcohol ether EO and PO of C8~C10 is total
Polymers.
The preparation method of above-mentioned still, low surface tension the surfactant of one kind, preparation process is the same as embodiment 1.
Embodiment 4
A kind of still, low surface tension surfactant, is calculated by mass percentage, and raw material composition and content are such as
Under:
Active constituent A 47%
Active constituent B 38%
Active constituent C 15%；
The active constituent A is PEG400MO, and the PEG400MO is that average molecular weight is 400 polyethyleneglycols oil
Acid esters:
The active constituent B is NP-4, and the NP-4 is the nonylphenol polyoxyethylene ether that average EO number is 4；
The active constituent C is RM2020, and the block that the RM2020 is the fatty alcohol ether EO and PO of C8~C10 is total
Polymers.
The preparation method of above-mentioned still, low surface tension the surfactant of one kind, preparation process is the same as embodiment 1.
It is compareed with Pluronic 17R4 with Pluronic L-64, by resulting each still, the low table of above-described embodiment 1-4
The surfactant and Pluronic 17R4 and Pluronic L-64 of face tension dilute 1000 times (i.e. with secondary distilled water respectively
It is calculated by mass percentage, with secondary distilled water respectively by resulting each still, low surface tension the surface-active of embodiment 1-4
Agent, Pluronic 17R4 and Pluronic L-64 are made into the aqueous solution that mass percent concentration is 0.1%) resulting dilution afterwards
Liquid, using Rose-Miles foam meter, (the Rose-Miles foam meter is detailed in QB/T2486-2008 or GB/T7462-94
Foam meter is formed and is described) its 5min foaming power is measured respectively while it is measured using full auto-programs surface tension instrument respectively
Surface tension, measurement result see the table below:
As can be seen from the above table, resulting each still, low surface tension the surfactant of the embodiment of the present invention 1-4
The 5min foaming power of resulting dilution is 0mL after diluting 1000 times with secondary distilled water, illustrates still, low table of the invention
The surfactant of face tension does not have foaming characteristic, will not generate foam, belongs to still surfactant.
Further, it can also be seen that the secondary steaming of still, low surface tension surfactant of the invention from upper table
The surface tension of resulting dilution is 32-33mN/m, bulb-less surface activity agent more preferable than market after distilled water dilutes 1000 times
The surface tension 44mN/m of Pluronic 17R4 and the surfactant Pluronic L-64 of low ratio foamed power reduce 25.0%-
27.3%, still, low surface tension surfactant of the invention is indicated above under the premise of still, and there is higher drop
The efficiency of low water surface tension, and its physical and chemical performance and its application performance will not be reduced because still.
Application Example 1
Using the resulting one kind of embodiment 1, still, low surface tension surfactant prepares one kind and contains nicosulfuron
It with the oil-suspending agent type herbicide of atrazine, prepares raw material used and is calculated by mass percentage, raw material composition and content are such as
Under:
A kind of preparation process of above-mentioned oil-suspending agent type herbicide containing nicosulfuron and atrazine specifically include as
Lower step:
(1), be calculated by mass percentage, soybean oil: organobentonite: embodiment 1 is resulting still, low surface tension
Surfactant: atrazine: nicosulfuron is the ratio of 60%:1%:15%:20%:4%, and it is organic to prepare 60g soybean oil, 1g
Resulting still, low surface tension the surfactant of bentonite, 15g embodiment 1,20g atrazine and 4g nicosulfuron；
(2), at room temperature, first by 60g soybean oil, resulting still, low surface tension the surface-active of 15g embodiment 1
Agent is added sequentially in the beaker of 300ml, and then under conditions of revolving speed is 80-100r/min, control feed rate is 1g/
Min sequentially adds 1g organobentonite, 20g atrazine, 4g nicosulfuron, adds to organobentonite, atrazine and nicosulfuron
Continue control revolving speed after entering to be stirred for 80-100r/min, until forming uniform slurry；
(3), step (2) resulting slurry is sanded by vertical grinding machine, and is measured with Laser particle-size distribution
Instrument is detected, until when D90≤3.0um is up to the oil-suspending agent type herbicide containing nicosulfuron and atrazine.
Application Example 2
Using the resulting one kind of embodiment 2, still, low surface tension surfactant prepares one kind and contains nicosulfuron
It with the oil-suspending agent type herbicide of atrazine, prepares raw material used and is calculated by mass percentage, raw material composition and content are such as
Under:
A kind of same application implementation of preparation process of above-mentioned oil-suspending agent type herbicide containing nicosulfuron and atrazine
Example 1, only by step each in Application Example 1 " the resulting one kind of embodiment 1 is still, low surface tension surface-active
Agent " changes " the resulting one kind of embodiment 2 still, surfactant " of low surface tension into, other are identical as Application Example 1.
Application Example 3
Using the resulting one kind of embodiment 3, still, low surface tension surfactant prepares one kind and contains nicosulfuron
It with the oil-suspending agent type herbicide of atrazine, prepares raw material used and is calculated by mass percentage, raw material composition and content are such as
Under:
A kind of same application implementation of preparation process of above-mentioned oil-suspending agent type herbicide containing nicosulfuron and atrazine
Example 1, only by step each in Application Example 1 " the resulting one kind of embodiment 1 is still, low surface tension surface-active
Agent " changes " the resulting one kind of embodiment 3 still, surfactant " of low surface tension into, other are identical as Application Example 1.
Application Example 4
Using the resulting one kind of embodiment 4, still, low surface tension surfactant prepares one kind and contains nicosulfuron
It with the oil-suspending agent type herbicide of atrazine, prepares raw material used and is calculated by mass percentage, raw material composition and content are such as
Under:
A kind of same application implementation of preparation process of above-mentioned oil-suspending agent type herbicide containing nicosulfuron and atrazine
Example 1, only by step each in Application Example 1 " the resulting one kind of embodiment 1 is still, low surface tension surface-active
Agent " changes " the resulting one kind of embodiment 4 still, surfactant " of low surface tension into, other are identical as Application Example 1.
Application Example 5
Using the resulting one kind of embodiment 4, still, low surface tension surfactant prepares one kind and contains nicosulfuron
It with the oil-suspending agent type herbicide of atrazine, prepares raw material used and is calculated by mass percentage, raw material composition and content are such as
Under:
A kind of preparation process of above-mentioned oil-suspending agent type herbicide containing nicosulfuron and atrazine specifically include as
Lower step:
(1), be calculated by mass percentage, soybean oil: organobentonite: embodiment 4 is resulting still, low surface tension
Surfactant: atrazine: nicosulfuron is the ratio of 63%:1%:12%:20%:4%, and it is organic to prepare 63g soybean oil, 1g
Resulting still, low surface tension the surfactant of bentonite, 12g embodiment 4,20g atrazine and 4g nicosulfuron；
(2), at room temperature, first by 63g soybean oil, resulting still, low surface tension the surface-active of 12g embodiment 4
Agent is added sequentially in the beaker of 300ml, and then under conditions of revolving speed is 80-100r/min, control feed rate is 1g/
Min sequentially adds 1g organobentonite, 20g atrazine, 4g nicosulfuron, adds to organobentonite, atrazine and nicosulfuron
Continue control revolving speed after entering to be stirred for 80-100r/min, until forming uniform slurry；
(3), step (2) resulting slurry is sanded by vertical grinding machine, and is measured with Laser particle-size distribution
Instrument is detected, until when D90≤3.0um is up to the oil-suspending agent type herbicide containing nicosulfuron and atrazine.
Using comparative examples 1
It utilizes used in the oil-suspending agent type herbicide containing nicosulfuron and atrazine compared with the wide and preferable table of effect
(i.e. fatty alcohol polyoxyethylene ether O-7: the mass ratio of styrylphenol polyoxyethylene ether 601 is the table of 3:5 composition to face activating agent
Face activating agent, is specifically shown in patent of invention 201510998335.1 or 201510997627.3) instead of the nothing in Application Example 1
It steeps, the surfactant of low surface tension prepares a kind of oil-suspending agent type herbicide containing nicosulfuron and atrazine, preparation
Raw material used is calculated by mass percentage, and raw material composition and content are as follows:
Surfactant in upper table, calculates in mass ratio, i.e. fatty alcohol polyoxyethylene ether O-7: styrylphenol is poly-
Ethylene oxide ether 601 is that the ratio of 3:5 mixes.
A kind of same application implementation of preparation process of above-mentioned oil-suspending agent type herbicide containing nicosulfuron and atrazine
Example 1, only by step each in Application Example 1 " the resulting one kind of embodiment 1 is still, low surface tension surface-active
Agent " changes into " by fatty alcohol polyoxyethylene ether O-7: the table that the mass ratio of styrylphenol polyoxyethylene ether 601 forms for 3:5
Face activating agent ", other are identical as Application Example 1.
Using comparative examples 2
It utilizes used in the oil-suspending agent type herbicide containing nicosulfuron and atrazine compared with the wide and preferable table of effect
(i.e. fatty alcohol polyoxyethylene ether O-7: the mass ratio of styrylphenol polyoxyethylene ether 601 is the table of 3:5 composition to face activating agent
Face activating agent, is specifically shown in patent of invention 201510998335.1 or 201510997627.3) instead of the nothing in Application Example 1
It steeps, the surfactant of low surface tension prepares a kind of oil-suspending agent type herbicide containing nicosulfuron and atrazine, preparation
Raw material used is calculated by mass percentage, and raw material composition and content are as follows:
Surfactant in upper table, calculates in mass ratio, i.e. fatty alcohol polyoxyethylene ether O-7: styrylphenol is poly-
Ethylene oxide ether 601 is that the ratio of 3:5 mixes.
A kind of preparation process of above-mentioned oil-suspending agent type herbicide containing nicosulfuron and atrazine specifically include as
Lower step:
(1), it is calculated by mass percentage, soybean oil: defoaming agent S-910: organobentonite: surfactant: atrazine:
Nicosulfuron is the ratio of 59.5%:0.5%:1%:15%:20%:4%, prepares 59.5g soybean oil, 0.5g defoaming agent S-
910,1g organobentonite, 15g surfactant, 20g atrazine and 4g nicosulfuron；
(2), at room temperature, 59.5g soybean oil, 15g surfactant, 0.5g defoaming agent S-910 are added sequentially to first
In the beaker of 300ml, then under conditions of revolving speed is 80-100r/min, control feed rate is that 1g/min sequentially adds 1g
Organobentonite, 20g atrazine, 4g nicosulfuron continue to control after being added to organobentonite, atrazine and nicosulfuron
Revolving speed processed is stirred for 80-100r/min, until forming uniform slurry；
(3), by step (2) resulting slurry by vertical grinding machine be sanded, and with Laser particle-size distribution analyzer into
Row detection, until when D90≤3.0um is up to the oil-suspending agent type herbicide containing nicosulfuron and atrazine.
It is hanged by above-mentioned Application Example 1-5, using the resulting oil containing nicosulfuron and atrazine of comparative examples 1-2
Resulting dilution is (i.e. after floating dosage form herbicide uses the standard hard water of defined in GB/T28137-2011 to dilute 250 times respectively
Calculate in mass ratio, the oil-suspending agent type herbicide containing nicosulfuron and atrazine: the ratio that standard hard water is 1:250 is prepared
It is the aqueous solution of the 0.4% oil-suspending agent type herbicide containing nicosulfuron and atrazine at mass percent concentration), it uses
The tool plug graduated cylinder of 250ml measures its 1min foaming characteristic respectively；
It is hanged by above-mentioned Application Example 1-5, using the resulting oil containing nicosulfuron and atrazine of comparative examples 1-2
Floating dosage form herbicide resulting dilution after diluting 1000 times with secondary distilled water respectively (calculate in mass ratio, it is phonetic containing cigarette
Sulphur is grand and the oil-suspending agent type herbicide of atrazine: it is dense that secondary distilled water is that the ratio of 1:1000 is configured to mass percent respectively
Degree is the aqueous solution of the 0.1% oil-suspending agent type herbicide containing nicosulfuron and atrazine), using full auto-programs surface
Power instrument measures its surface tension respectively；
The measurement result of above-mentioned 1min foaming characteristic and surface tension see the table below:
As can be seen from the above table, still, low surface tension surfactant of the invention are utilized in Application Example 1-5
The oil-suspending agent type herbicide containing nicosulfuron and atrazine of preparation is surveyed according to GB/T28137-2011 pesticide persistent foamability
Determine method, it is 0mL that resulting dilution, which is measured its 1min foaming characteristic, after diluting 250 times with standard hard water；And application pair
According to living using the surface being made of fatty alcohol polyoxyethylene ether O-7 and styrylphenol polyoxyethylene ether 601 in embodiment 1-2
Property agent preparation the oil-suspending agent type herbicide containing nicosulfuron and atrazine persistently blister according to GB/T28137-2011 pesticide
Property measuring method, with standard hard water dilute 250 times after resulting dilution be measured its 1min foaming characteristic, such as application to according to the facts
Apply in example 1 its 1min foaming characteristic when defoaming agent is not added and be up to 50mL, and apply added defoaming agent in comparative examples 2 after its
There are also 20mL for 1min foaming characteristic.
Further, it is well known that bubble-related issues present in Pesticide use are that each pesticide producing enterprise needs to solve
The problem of, thus each pesticide producing enterprise in the production of their these corresponding pesticide species in relevant company standard
In define foaming power index, such as Chambroad Agrochemical Technology Co., Ltd. 22% (nicosulfuron+atrazine) oil it is outstanding
Floating dosage form herbicide provides in company standard Q/371625JBK 287-2018: persistently rising according to GB/T28137-2011 pesticide
Bubble property measuring method, resulting dilution after diluting 250 times with standard hard water measure its 1min foaming characteristic < 30mL；Tianjin China
The oil-suspending agent type herbicide of 24% (nicosulfuron+atrazine) of space pesticide Co., Ltd is in company standard Q/12HY0016-
It is provided in 2017, according to GB/T28137-2011 pesticide persistent foamability measuring method, gained after diluting 250 times with standard hard water
Dilution, measure its 1min foaming characteristic < 25mL；24% (nicosulfuron+green bristlegrass of Yanbian, Jilin Province Tian Bao biological agent Co., Ltd
Remove saliva) oil-suspending agent type herbicide provided in company standard Q/JLTB05-2017, held according to GB/T28137-2011 pesticide
Long foaming characteristic measuring method, resulting dilution after diluting 250 times with standard hard water measure its 1min foaming characteristic < 25mL.
It is raw by the measurement result and different pesticides of above-mentioned each Application Example of the invention and application comparative examples
It produces enterprise product measurement result to compare, it can be seen that prepare using still, low surface tension surfactant of the invention
The resulting oil-suspending agent type herbicide containing nicosulfuron and atrazine due to its with standard hard water dilute 250 times after it is resulting dilute
The 1min foaming characteristic for releasing liquid is 0mL, therefore it will not blister in actual use, not appear in practical sprinkling because foam is asked
The scene that sprinkling is interrupted caused by topic or foam dances in the air all over the sky.
Further, it can also be seen that being prepared using still, low surface tension surfactant of the invention from upper table
The oil-suspending agent type herbicide containing nicosulfuron and atrazine due to its with secondary distilled water dilute 1000 times after it is resulting dilute
The surface tension for releasing liquid is only 28-30mN/m, therefore its spreadability in actual use on weeds blade face can be more preferable, herbicide
Active constituent nicosulfuron and atrazine can be easier to penetrate into the blade face of weeds and stem root, the utilization rate of herbicide can be more
Height, weeding drug effect can play more preferable, to improve the weeding rate of unit area crops, reduce removing for unit area crops
Careless cost.
In conclusion still, low surface tension surfactant of the invention, is diluting 1000 times with secondary distilled water
Resulting dilution afterwards, 5min foaming power is 0mL, surface tension 32-33mN/m, to solve above-mentioned industrial application
Production procedure disruption caused by middle generation foam, water caused by foam accumulation is dirty in industrial process waters zero-emission
Dye problem, while also solving conventional surfactant and must be added to production caused by defoaming agent using the foam of middle generation
The increased costs problem that increased costs and the water process load caused by the defoaming agent difficult for biological degradation generate due to increase, that is, meet
Industrial production and environmental-friendly demand.
Further, still, low surface tension the surfactant of one kind of the invention, since the raw material for preparing used is equal
For the natural plant grease of green totally degradable, therefore rear no pollution to the environment is used, use process environmental protection.
Further, still, low surface tension the surfactant of one kind of the invention, since preparation process is only simple
It heats, stir and evenly mix, therefore simple production process is easy, there is no three waste discharge in production process, meet the theory of environmental protection production.
Further, contain nicosulfuron and green bristlegrass using prepared by still, low surface tension surfactant of the invention
During the oil-suspending agent type herbicide for removing saliva, due to using still, low surface tension surfactant, make
The preparation process non-foam for obtaining the oil-suspending agent type herbicide containing nicosulfuron and atrazine generates, so that raw materials used
The production processes such as the mixing of each component and sand milling are gone on smoothly, and preparation process environmental protection, so that going containing nicosulfuron and green bristlegrass
The production of the oil-suspending agent type herbicide of saliva meets the theory of environmental protection production.
Further, it is prepared using still, low surface tension surfactant of the invention resulting containing nicosulfuron
Oil-suspending agent type herbicide with atrazine uses standard hard water according to GB/T28137-2011 pesticide persistent foamability measuring method
Resulting dilution after 250 times of dilution, measuring its 1min foaming characteristic is 0mL；It is dilute with secondary distilled water by QB/T4086-2010
Resulting dilution after releasing 1000 times, measuring its surface tension is only 28-30mN/m, therefore in practical applications, due to containing
The dilution of the oil-suspending agent type herbicide of nicosulfuron and atrazine is still and surface tension is low, therefore it is on weeds blade face
On spreadability can be more preferable, active constituent nicosulfuron and atrazine can be easier to penetrate into the blade face of weeds and stem root, remove
The drug effect of careless agent can play more preferable, compared with traditional herbicide, same herbicide dosage, using it is of the invention it is still,
Unit can be improved in the oil-suspending agent type herbicide containing nicosulfuron and atrazine of the surfactant preparation of low surface tension
The weeding rate of area crops, to reduce the weeding cost of unit area crops.
The above content is only basic explanation and preferred embodiment of the invention, and is appointed made by technical solution according to the present invention
What equivalent transformation, is within the scope of protection of the invention.
Claims (10)
1. a kind of still, low surface tension surfactant, it is characterised in that still, low surface tension the surface is living
Property agent be calculated by mass percentage, raw material composition and content it is as follows:
Active constituent A 40-60%
Active constituent B 35-50%
Active constituent C 5-15%；
The active constituent A is PEG400MO, and the PEG400MO is that average molecular weight is 400 polyethyleneglycol oleic acid
Ester；
The active constituent B is NP-4, and the NP-4 is the nonylphenol polyoxyethylene ether that average EO number is 4；
The active constituent C is RM2020, and the RM2020 is fatty alcohol ether EO and the PO block copolymerization of C8~C10
Object；
Still, low surface tension the surfactant is measured according to QB/T2486-2008 method, with secondary steaming
The 5min foaming power of resulting dilution is 0mL after distilled water dilutes 1000 times；
Still, low surface tension the surfactant is measured according to QB/T4086-2010 method, with secondary steaming
The surface tension of resulting dilution is 32-33mN/m after distilled water dilutes 1000 times.
2. still, low surface tension surfactant as described in claim 1 a kind of, it is characterised in that it is described it is still,
The surfactant of low surface tension is calculated by mass percentage, and raw material composition and content are as follows:
Active constituent A 40-48%
Active constituent B 38-50%
Active constituent C 8-15%.
3. still, low surface tension surfactant as claimed in claim 2 a kind of, it is characterised in that it is described it is still,
The surfactant of low surface tension is calculated by mass percentage, and raw material composition and content are as follows:
Active constituent A 47-48%
Active constituent B 38-44%
Active constituent C 8-15%.
4. still, low surface tension surfactant as claimed in claim 3 a kind of, it is characterised in that it is described it is still,
The surfactant of low surface tension is calculated by mass percentage, and raw material composition and content are as follows:
Active constituent A 47%
Active constituent B 38%
Active constituent C 15%.
5. still, low surface tension surfactant as claimed in claim 3 a kind of, it is characterised in that it is described it is still,
The surfactant of low surface tension is calculated by mass percentage, and raw material composition and content are as follows:
Active constituent A 48%
Active constituent B 44%
Active constituent C 8%.
6. still, low surface tension surfactant as claimed in claim 2 a kind of, it is characterised in that it is described it is still,
The surfactant of low surface tension is calculated by mass percentage, and raw material composition and content are as follows:
Active constituent A 40%
Active constituent B 50%
Active constituent C 10%.
7. still, low surface tension surfactant as described in claim 1 a kind of, it is characterised in that it is described it is still,
The surfactant of low surface tension is calculated by mass percentage, and raw material composition and content are as follows:
Active constituent A 60%
Active constituent B 35%
Active constituent C 5%.
8. such as the preparation side of still, low surface tension the surfactant of one kind as claimed in any one of claims 1 to 7
Method, it is characterised in that specific step is as follows for its preparation process:
Active constituent C is added in reaction kettle first, being heated to 60-70 DEG C makes active constituent C become transparent flow liquid,
Then active constituent A, active constituent B are added sequentially in reaction kettle again, control revolving speed be 80-100r/min after mixing evenly
Up to still, low surface tension surfactant.
9. as one kind as claimed in any one of claims 1 to 7 is still, surfactant of low surface tension is to contain cigarette phonetic
Application in the grand oil-suspending agent type herbicide with atrazine of sulphur, it is characterised in that still, low surface tension the surface
The dosage of activating agent is the 12-15% of total raw material quality.
10. still, low surface tension surfactant as claimed in claim 9 a kind of is containing nicosulfuron and atrazine
Application in oil-suspending agent type herbicide, it is characterised in that:
The oil-suspending agent type herbicide containing nicosulfuron and atrazine persistently blisters according to GB/T28137-2011 pesticide
Property measuring method be measured, the 1min foaming characteristic of resulting dilution is 0mL after diluting 250 times with standard hard water；
The oil-suspending agent type herbicide containing nicosulfuron and atrazine is measured by QB/T4086-2010, with two
The surface tension of resulting dilution is 28-30mN/m after secondary distilled water dilutes 1000 times；
The above-mentioned oil-suspending agent type herbicide containing nicosulfuron and atrazine, is calculated by mass percentage, raw material composition and
Content is as follows:
Nicosulfuron 4%
Atrazine 20%
Still, low surface tension surfactant 12-15%
Organobentonite 1%
Surplus is soybean oil；
A kind of above-mentioned oil-suspending agent type herbicide containing nicosulfuron and atrazine is prepared by a method comprising the following steps
It forms:
At room temperature, soybean oil, still, low surface tension surfactant are added sequentially in container first, are then being turned
Under conditions of speed is 80-100r/min, control feed rate is that 1g/min sequentially adds the phonetic sulphur of organobentonite, atrazine, cigarette
It is grand, continue control revolving speed after being added to organobentonite, atrazine and nicosulfuron and is stirred for 80-100r/min,
Until forming uniform slurry；
Then, above-mentioned resulting slurry is sanded to D90≤3.0um by vertical grinding machine to get containing nicosulfuron
With the oil-suspending agent type herbicide of atrazine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181280.3A CN109805010A (en) | 2019-03-11 | 2019-03-11 | A kind of still, low surface tension surfactant and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181280.3A CN109805010A (en) | 2019-03-11 | 2019-03-11 | A kind of still, low surface tension surfactant and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
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ID=66608621
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| CN201910181280.3A Withdrawn CN109805010A (en) | 2019-03-11 | 2019-03-11 | A kind of still, low surface tension surfactant and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109805010A (en) |
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2019
- 2019-03-11 CN CN201910181280.3A patent/CN109805010A/en not_active Withdrawn
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Application publication date: 20190528 |