CN101971807A - Pendimethalin and alachlor binary complex herbicide and preparation method thereof - Google Patents
Pendimethalin and alachlor binary complex herbicide and preparation method thereof Download PDFInfo
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- CN101971807A CN101971807A CN2010102290496A CN201010229049A CN101971807A CN 101971807 A CN101971807 A CN 101971807A CN 2010102290496 A CN2010102290496 A CN 2010102290496A CN 201010229049 A CN201010229049 A CN 201010229049A CN 101971807 A CN101971807 A CN 101971807A
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- pendimethalin
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- killer herbicide
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Abstract
The invention provides a pendimethalin and alachlor binary complex herbicide and a preparation method thereof. The herbicide comprises the following components by mass: 15-45% of pendimethalin, 5-25% of alachlor, 5-15% of synergist, 8-20% of emulsifier and the balance solvent. The preparation method comprises the following steps: mixing and stirring the pendimethalin and the solvent according to the mass ratio; mixing and stirring the alachlor and the solvent; mixing and stirring the mixtures; adding the emulsifier together with the synergist to a reaction kettle to be stirred for 10-15min; then adding the balance solvent and stirring the mixture for 20-30min; and then carrying out standing, filtering, filling and sampling analysis, thus obtaining the finished product. The herbicide has high efficiency and broad spectrum, is used for pre-emergence soil spraying after sowing such crops as soy beans, peanuts, garlic, cotton and the like, can realize that the crops are free from weeds in the whole growth period through one-time application of 120-180g per mu and has application cost 31.4-36.8% lower than that of the single pendimethalin or alachlor respectively.
Description
Technical field
The present invention relates to a kind of weed killer herbicide and manufacture method thereof, be specifically related to weed killer herbicide that phenyl amines pendimethalin and acetamide-group herbicides alachlor binary built make and preparation method thereof.
Background technology
Pendimethalin is a kind of broad-spectrum herbicide, and it is effective that dry crop is prevented and kill off annual weed.Application effect is best in early days before the bud and behind the bud.Alachlor is an amide-type selectivity preemergence herbicide, and it is effective that dry crop is prevented and kill off annual weed.But two kinds of single uses of single agent, a dispenser can not realize that all crop does not have crop smothering the time of infertility.
Summary of the invention
The object of the invention is intended to solve that above-mentioned weed killer herbicide exists can not reach the problem that a drug crop does not have crop smothering the time of infertility, weed killer herbicide that a kind of pendimethalin and alachlor binary built make and preparation method thereof is provided, is called for short " hundred green bristlegrass are removed day wolf No. 10 " and preparation method thereof.
Realize the technical scheme of the object of the invention:
The weed killer herbicide that a kind of pendimethalin and alachlor binary built are made is characterized in that, it is grouped into by the one-tenth of following mass percent: pendimethalin 15-45%, alachlor 5-25%, synergist 5-15%, emulsifier 8-20%, the solvent surplus, each constituent mass percentage sum is 100%.
Wherein, described synergist is the pesticide synergistic agent 625 that contains Tea Saponin, and described emulsifier is castor oil polyoxyethylene ether 0206B; Described solvent is an ethanol.
The weed killer herbicide that described pendimethalin and alachlor binary built are made, its mass percent consists of: pendimethalin 18-45%, alachlor 6-25%, synergist 5-15%, emulsifier 8-20%, solvent surplus.
The weed killer herbicide that described pendimethalin and alachlor binary built are made, its mass percent consists of: pendimethalin 18-45%, alachlor 6-23%, synergist 5.5-15%, emulsifier 8.5-18%, solvent surplus.
The weed killer herbicide that described pendimethalin and alachlor binary built are made, its mass percent consists of: pendimethalin 20-45%, alachlor 7-23%, synergist 7-15%, emulsifier 8.5-15%, solvent surplus.
The weed killer herbicide that described pendimethalin and alachlor binary built are made, its mass percent consists of: pendimethalin 25-42%, alachlor 8-25%, synergist 8-15%, emulsifier 9-18%, solvent surplus.
The weed killer herbicide that described pendimethalin and alachlor binary built are made, its mass percent consists of: pendimethalin 25.5-40%, alachlor 8-22%, synergist 8.5-15%, emulsifier 9-18%, solvent surplus.
The weed killer herbicide that described pendimethalin and alachlor binary built are made, its mass percent consists of: pendimethalin 26-42%, alachlor 8.1-22%, synergist 8.5-15%, emulsifier 9.5-18%, solvent surplus.
The weed killer herbicide that described pendimethalin and alachlor binary built are made, its mass percent consists of: pendimethalin 26-43%, alachlor 8.5-22%, synergist 9-15%, emulsifier 9.5-18%, solvent surplus.
The weed killer herbicide that described pendimethalin and alachlor binary built are made, its mass percent consists of: pendimethalin 26-40%, alachlor 9-22%, synergist 9-15%, emulsifier 9-16%, solvent surplus.
The weed killer herbicide that described pendimethalin and alachlor binary built are made, its mass percent consists of: pendimethalin 26-40%, alachlor 9-21%, synergist 9-14%, emulsifier 9-16%, solvent surplus.
The used former medicine mass content of pendimethalin of above-mentioned embodiment is 95%, and the former medicine mass content of alachlor is 95%.The raw materials used title of the present invention, structural formula and physicochemical property are as follows:
Chinese adopted name: pendimethalin
English common name: pendimethalin
Trade name: execute the field and mend (Stomp 330E)
Chemical name: N-1-(ethyl propyl)-2,6-dinitro-3,4-dimethylaniline
Chemical structural formula:
Physicochemical property: pure product are orange-yellow crystalline solid, and fusing point 54-58 ℃, vapour pressure is 3 * 10 in the time of 25 ℃
-5Millimetres of mercury.In the time of 20 ℃ in water solvability be 0.33ppm, be soluble in chlorohydrocarbon and the aromatic hydrocarbon solvent.Acid, alkali are stablized, and former pharmaceutically active ingredient content is 90%.
Chinese adopted name: alachlor
English common name: alachior
Trade name: drag-line, Australia Te Lasuo, CP50144, alachlor
Chemical name: alpha-chloro-2 ', 6 '-diethyl-N-(methoxyl methyl) acetanil
Chemical structural formula:
Physicochemical property: former medicine is the tasteless non-volatile crystalline solid of milky, proportion is 1.133 (250/15.6 ℃), and fusing point is 39.5-41.5 ℃, 100 ℃ of boiling points (0.02 millimetres of mercury) and 135 ℃ (0.3 millimetres of mercury), decompose in the time of 105 ℃, vapour pressure is 2.2 * 10 in the time of 24 ℃
-5Millimetres of mercury, solvability 242ppm in water (25 ℃) can be dissolved in organic solvents such as ether, acetone, benzene, chloroform, ethanol, hydrolyzable under the strong acid and strong base condition; But it is higher to the relevant antagonism that ultraviolet radiation is decomposed.
The invention solves existing weed killer herbicide and use crop not wide, the disadvantage that the weeding kind is few is a kind of high-efficiency broad spectrum weed killer herbicide.This preparation is applicable to that crops such as soybean, cotton broadcast soil spraying before the seedling of back, and mu is prevented and kill off annual weed with the 120-180 gram, a dispenser can reach effective control field weed community harm fully, realize that crop does not have crop smothering the time of infertility, and, succession crop is not had any harmful effect crop safety.The dispenser cost is than pendimethalin and the low 31.4%-36.8% of alachlor single administration.
Description of drawings
Fig. 1 is pendimethalin and alachlor binary built system weed killer herbicide process chart
Preparing process explanation: take by weighing the former medicine solubilizer of pendimethalin by above-mentioned mass ratio earlier and place enamel reaction still to stir 10 minutes; Taking by weighing the former medicine solubilizer of alachlor by above-mentioned mass ratio places enamel reaction still to stir 15-20 minute; Alachlor after pendimethalin after solubilizer stirred stirs with solubilizer was blended in the reactor stirring 10 minutes; Emulsifying agent, synergist that quality is in proportion taken by weighing join in the lump in the aforesaid reaction vessel and stirred 10-15 minute; Add again stirring solvent 20-30 minute of surplus; Leave standstill, filtration, can and sample analysis, namely make herbicide " hundred green bristlegrass except day wolf No. 10 " finished product of pendimethalin and alachlor binary built system.
Embodiment
Embodiment 1
Get pendimethalin 15 grams and add 10 milliliters of ethanol, stirring and dissolving; Alachlor 25 grams add 10 milliliters of ethanol, stirring and dissolving; Two kinds of solution are mixed, add 5 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 10 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 20 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
Embodiment 2
Get pendimethalin 20 grams and add 20 milliliters of ethanol, stirring and dissolving; Alachlor 10 grams add 20 milliliters of ethanol, stirring and dissolving; Two kinds of solution are mixed, add 8.5 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 10.5 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 25 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
Embodiment 3
Get pendimethalin 25 grams and add 20 milliliters of ethanol, stirring and dissolving; Alachlor 8 grams add 20 milliliters of ethanol, stirring and dissolving; Two kinds of solution are mixed, add 15 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 8 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
Embodiment 4
Get pendimethalin 30 grams and add 20 milliliters of ethanol, stirring and dissolving; Alachlor 12 grams add 15 milliliters of ethanol, stirring and dissolving; Two kinds of solution are mixed, add 10 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 10 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
Embodiment 5
Get pendimethalin 28 grams and add 20 milliliters of ethanol, stirring and dissolving; Alachlor 15 grams add 15 milliliters of ethanol, stirring and dissolving; Two kinds of solution are mixed, add 11 and restrain the herbicide synergist (Silwet) 625 that contains Tea Saponin, 10 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
Embodiment 6
Get pendimethalin 32 grams and add 20 milliliters of ethanol, stirring and dissolving; Alachlor 9 grams add 10 milliliters of ethanol, stirring and dissolving; Two kinds of solution are mixed, add 9.5 and restrain the herbicide synergist (Silwet) 625 that contains Tea Saponin, 15 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
Embodiment 7
Get pendimethalin 40 grams and add 20 milliliters of ethanol, stirring and dissolving; Alachlor 5 grams add 10 milliliters of ethanol, stirring and dissolving; Two kinds of solution are mixed, add 11.5 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 9 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
Embodiment 8
Get pendimethalin 45 grams and add 20 milliliters of ethanol, stirring and dissolving; Alachlor 6 grams add 10 milliliters of ethanol, stirring and dissolving; Two kinds of solution are mixed, add 7 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 10 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
Embodiment 9
Get pendimethalin 29 grams and add 20 milliliters of ethanol, stirring and dissolving; Alachlor 10 grams add 10 milliliters of ethanol, stirring and dissolving; Two kinds of solution are mixed, add 8.5 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 12 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
Embodiment 10
Get pendimethalin 31 grams and add 20 milliliters of ethanol, stirring and dissolving; Alachlor 11.5 grams add 10 milliliters of ethanol, stirring and dissolving; Two kinds of solution are mixed, add 13 and restrain the herbicide synergist (Silwet) 625 that contains Tea Saponin, 10.5 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
Embodiment 11
Get pendimethalin 28.5 grams and add 20 milliliters of ethanol, stirring and dissolving; Alachlor 12.5 grams add 10 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 11 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 12 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
Embodiment 12
Get pendimethalin 32.5 grams and add 20 milliliters of ethanol, stirring and dissolving; Alachlor 12 grams add 10 milliliters of ethanol, stirring and dissolving; Two kinds of solution are mixed, add 9.5 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 10 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
Embodiment 13
Get pendimethalin 33 grams and add 20 milliliters of ethanol, stirring and dissolving; Alachlor 12 grams add 15 milliliters of ethanol, stirring and dissolving; Two kinds of solution are mixed, add 8.5 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 11 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
Embodiment 14
Get pendimethalin 35 grams and add 20 milliliters of ethanol, stirring and dissolving; Alachlor 8 grams add 10 milliliters of ethanol, stirring and dissolving; Two kinds of solution are mixed, add 7.8 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 13 gram emulsifier castor oil polyoxyethylene ether 0206B, stirred 15 minutes, the ethanol that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that pendimethalin and alachlor binary built are made.
The key technical indexes of the weed killer herbicide that pendimethalin of the present invention and alachlor binary built are made " hundred green bristlegrass are removed day wolf No. 10 " typical products sees Table 1
Table 1
Annotate: when ordinary production, product low-temperature stability, heat storage stability detected once in per 6 months at least.
" hundred green bristlegrass remove day wolf No. 10 " of the present invention weed killer herbicide under 0～54 ℃ of condition, leave standstill deposit 14 days not stratified.
Embodiment 15
" hundred green bristlegrass are removed day wolf No. 10 " of the present invention weed killer herbicide application example
The weed killer herbicide that pendimethalin of the present invention and alachlor binary built are made, 50 square metres fritter test is carried out in the soil spraying respectively before the seedling after academy of agricultural sciences's farmland weed research department, Hubei Province's in April, 2010 is broadcast on soybean, cotton crop, kills the effect of weeds and lists in table 2.From table in the data as can be seen: the effect of " hundred green bristlegrass are removed day wolf No. 10 " management of weeds is more effective than single use pendimethalin and alachlor.This explanation " hundred green bristlegrass are removed day wolf No. 10 " of the present invention Herbicidal composition is scientific and reasonable, and (Silwet) 625 synergist have played huge typical effect in product structure.
The weeds in field preventive effect was investigated in dispenser in 45 days before table 2 soybean, cotton were broadcast the back seedling
The weed killer herbicide using method that pendimethalin of the present invention and alachlor binary built are made:
1. soil was sprayed before summer soybean was broadcast the back seedling, prevented and kill off annual weed mu 120-180g, converted water 60kg;
2. soil was sprayed before the back seedling was broadcast in the cotton field, prevented and kill off annual weed mu 120-180g, converted water 60kg; A dispenser can reach the harm of effective control field weed community fully, realizes that crop does not have crop smothering the time of infertility.
Claims (10)
1. the weed killer herbicide made of pendimethalin and alachlor binary built is characterized in that it is grouped into by the one-tenth of following mass percent: pendimethalin 15-45%, alachlor 5-25%, synergist 5-15%, emulsifier 8-20%, the solvent surplus, each constituent mass percentage sum is 100%.
Wherein, described synergist is the pesticide synergistic agent 625 that contains Tea Saponin, and described emulsifier is castor oil polyoxyethylene ether 0206B; Described solvent is an ethanol.
2. the weed killer herbicide that pendimethalin according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: pendimethalin 18-45%, alachlor 6-25%, synergist 5-15%, emulsifier 8-20%, solvent surplus.
3. the weed killer herbicide that pendimethalin according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: pendimethalin 18-45%, alachlor 6-23%, synergist 5.5-15%, emulsifier 8.5-18%, solvent surplus.
4. the weed killer herbicide that pendimethalin according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: pendimethalin 20-45%, alachlor 7-23%, synergist 7-15%, emulsifier 8.5-15%, solvent surplus.
5. the weed killer herbicide that pendimethalin according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: pendimethalin 25-42%, alachlor 8-25%, synergist 8-15%, emulsifier 9-18%, solvent surplus.
6. the weed killer herbicide that pendimethalin according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: pendimethalin 25.5-40%, alachlor 8-22%, synergist 8.5-15%, emulsifier 9-18%, solvent surplus.
7. the weed killer herbicide that pendimethalin according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: pendimethalin 26-42%, alachlor 8.1-22%, synergist 8.5-15%, emulsifier 9.5-18%, solvent surplus.
8. the weed killer herbicide that pendimethalin according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: pendimethalin 26-43%, alachlor 8.5-22%, synergist 9-15%, emulsifier 9.5-18%, solvent surplus.
9. the weed killer herbicide that pendimethalin according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: pendimethalin 26-40%, alachlor 9-22%, synergist 9-15%, emulsifier 9-16%, solvent surplus.
10. the weed killer herbicide that pendimethalin according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: pendimethalin 26-40%, alachlor 9-21%, synergist 9-14%, emulsifier 9-16%, solvent surplus.
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| CN2010102290496A CN101971807A (en) | 2010-07-14 | 2010-07-14 | Pendimethalin and alachlor binary complex herbicide and preparation method thereof |
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| CN2010102290496A CN101971807A (en) | 2010-07-14 | 2010-07-14 | Pendimethalin and alachlor binary complex herbicide and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907424A (en) * | 2012-07-19 | 2013-02-06 | 河南金田地农化有限责任公司 | Micro-capsule suspending agent containing pendimethalin |
| CN106577685A (en) * | 2016-12-14 | 2017-04-26 | 安徽扬子化工有限公司 | Novel herbicide |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2241892A (en) * | 1990-01-11 | 1991-09-18 | Rhone Poulenc Agrochimie | Weed controlling composition containing acionifen and a second herbicide |
| CN1527666A (en) * | 2001-06-13 | 2004-09-08 | �����ɷ� | Herbicidal composition |
-
2010
- 2010-07-14 CN CN2010102290496A patent/CN101971807A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2241892A (en) * | 1990-01-11 | 1991-09-18 | Rhone Poulenc Agrochimie | Weed controlling composition containing acionifen and a second herbicide |
| CN1527666A (en) * | 2001-06-13 | 2004-09-08 | �����ɷ� | Herbicidal composition |
Non-Patent Citations (3)
| Title |
|---|
| R. GORDON HARVEY ET AL.: "Combining Cultural Practices and Herbicides to Control Wild-Proso Millet (Panicum miliaceum)", 《WEED TECHNOLOGY》 * |
| RAFAEL C. GARCIA DE AREVALO ET AL.: "Chemical Control of Annual Weeds in Field Beans (Vicia faba) in Central Spain", 《WEED SCIENCE》 * |
| RANA S. S.: "Evaluation of Promising Herbicide Combinations for Weed Management in Rajmash (Phaseolus vulgaris L.) under Dry Temperate Conditions of Himachal Pradesh", 《INDIAN JOURNAL OF WEED SCIENCE》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907424A (en) * | 2012-07-19 | 2013-02-06 | 河南金田地农化有限责任公司 | Micro-capsule suspending agent containing pendimethalin |
| CN102907424B (en) * | 2012-07-19 | 2015-04-01 | 河南金田地农化有限责任公司 | Micro-capsule suspending agent containing pendimethalin |
| CN106577685A (en) * | 2016-12-14 | 2017-04-26 | 安徽扬子化工有限公司 | Novel herbicide |
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Application publication date: 20110216 |