CN102318600A - Pendimethalin suspension and making method thereof - Google Patents
Pendimethalin suspension and making method thereof Download PDFInfo
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- CN102318600A CN102318600A CN201110321566A CN201110321566A CN102318600A CN 102318600 A CN102318600 A CN 102318600A CN 201110321566 A CN201110321566 A CN 201110321566A CN 201110321566 A CN201110321566 A CN 201110321566A CN 102318600 A CN102318600 A CN 102318600A
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- pendimethalin
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Abstract
The invention relates to the field of pesticides, and provides pendimethalin suspension and a making method thereof. According to the formula, the pendimethalin suspension comprises the following raw materials in part by weight: 1 to 40 parts of raw pendimethalin agent, 2 to 10 parts of emulsifying agent, 0.1 to 0.5 part of fine xanthan gum powder, 0.5 to 1.5 parts of magnesium aluminum silicate, 5 parts of ethylene glycol, 0.2 part of sodium benzoate, 0.5 part of defoaming agent, and the balance of water. The method comprises the following steps of: respectively weighing the raw materials according to the formula in part by weight, adding the raw materials into a mixing kettle, stirring the raw materials uniformly, introducing the raw materials into a grinding machine, grinding the raw materials together, and thus obtaining the orange aqueous suspension with flowability. The pendimethalin suspension is prepared by using water as a carrier, so the pendimethalin suspension has low production and use costs, and the safety of the pendimethalin suspension on crops such as cotton, peanut, corn, garlic, potatoes, ginger and the like is improved; the pendimethalin suspension has good weeding effect; and because the pendimethalin suspension does not contain an organic solvent, the pollution to the environment is furthest reduced.
Description
Technical field
The present invention relates to pesticide field, relate to a kind of pendimethalin suspending agent that is used for dry crop particularly, the invention still further relates to a kind of pendimethalin suspending agent preparation method.
Background technology
At present; Pendimethalin is that sales volume is only second to the third-largest weed killer herbicide of steriland herbicide glyphosate, paraquat in the world; It also is the maximum selective herbicide of sales volume in the world; Usually using formulation is 33% missible oil, contains a large amount of organic solvents in this missible oil list agent product, and environmental pollution is serious.
Summary of the invention
The technical problem that (one) will solve
The purpose of this invention is to provide a kind of pendimethalin suspending agent; Be that to have with water be the carrier manufacturing, crop safeties such as cotton, peanut, corn, garlic, potato, Da Jiang improved that herbicidal effect is good; Do not contain organic solvent, the pollution of environment is reduced to greatest extent.The object of the invention also provides a kind of pendimethalin suspending agent preparation method.
(2) technical scheme
A kind of pendimethalin suspending agent of the present invention, by weight, filling a prescription is: the former medicine 1-40 of pendimethalin part, emulsifier 2-10 part, the smart powder 0.1-0.5 of xanthans part, aluminium-magnesium silicate 0.5-1.5 part, 5 parts of ethylene glycol, 0.2 part of Sodium Benzoate, 0.5 part of antifoaming agent, water surplus.
A kind of pendimethalin suspending agent preparation method of the present invention, prescription by weight: the former medicine 1-40 of pendimethalin part, emulsifier 2-10 part, the smart powder 0.1-0.5 of xanthans part; Aluminium-magnesium silicate 0.5-1.5 part, 5 parts of ethylene glycol, 0.2 part of Sodium Benzoate; 0.5 part of antifoaming agent, water surplus takes by weighing respectively; Stir in the adding batch mixing still, feed then in the sand mill and grind jointly, promptly process the aqueous suspension agent of orange colour, flowability.
(3) beneficial effect
Because adopt above technical scheme, the present invention has following advantage:
The present invention is imitated suitable with missible oil list agent product with the concentration prescribe medicine through doing land for growing field crops and indoor pharmacodynamic test contrast discovery with missible oil list agent product on an equal basis; Owing to do not contain organic solvent, environment and hydrobiological pollution are reduced, help protecting environment; Because water has replaced organic solvent, greatly reduce and produce and use cost, alleviated peasant's burden, aqueous suspension agent of the present invention belongs to low toxicity, to cotton, corn, peanut, Soybean and Other Crops high safety.
Embodiment
Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
Embodiment 1 prescription by weight: 1 part of the former medicine of pendimethalin, 10 parts of emulsifier, 0.5 part in the smart powder of xanthans; 1.5 parts of aluminium-magnesium silicates, 5 parts of ethylene glycol, 0.2 part of Sodium Benzoate; 0.5 part of antifoaming agent, water surplus takes by weighing respectively; Stir in the adding batch mixing still, feed then in the sand mill and grind jointly, promptly process the aqueous suspension agent of orange colour, good fluidity.
Embodiment 2 prescription by weight: 40 parts of the former medicines of pendimethalin, 2 parts of emulsifier, 0.1 part in the smart powder of xanthans; 0.5 part of aluminium-magnesium silicate, 5 parts of ethylene glycol, 0.2 part of Sodium Benzoate; 0.5 part of antifoaming agent, water surplus takes by weighing respectively; Stir in the adding batch mixing still, feed then in the sand mill and grind jointly, promptly process the aqueous suspension agent of orange colour, good fluidity.
Embodiment 3 prescription by weight: 20 parts of the former medicines of pendimethalin, 5 parts of emulsifier, 0.3 part in the smart powder of xanthans; 1 part of aluminium-magnesium silicate, 5 parts of ethylene glycol, 0.2 part of Sodium Benzoate; 0.5 part of antifoaming agent, water surplus takes by weighing respectively; Stir in the adding batch mixing still, feed then in the sand mill and grind jointly, promptly process the aqueous suspension agent of orange colour, good fluidity.
Embodiment 4 prescription by weight: 10 parts of the former medicines of pendimethalin, 8 parts of emulsifier, 0.2 part in the smart powder of xanthans; 1.5 parts of aluminium-magnesium silicates, 5 parts of ethylene glycol, 0.2 part of Sodium Benzoate; 0.5 part of antifoaming agent, water surplus takes by weighing respectively; Stir in the adding batch mixing still, feed then in the sand mill and grind jointly, promptly process the aqueous suspension agent of orange colour, good fluidity.
Embodiment 5 prescription by weight: 30 parts of the former medicines of pendimethalin, 3 parts of emulsifier, 0.4 part in the smart powder of xanthans; 2 parts of aluminium-magnesium silicates, 5 parts of ethylene glycol, 0.2 part of Sodium Benzoate; 0.5 part of antifoaming agent, water surplus takes by weighing respectively; Stir in the adding batch mixing still, feed then in the sand mill and grind jointly, promptly process the aqueous suspension agent of orange colour, good fluidity.
Experimental example:
1, adopts 10 mu of suburb, Qingdao sample plot corn fields, adopt 5 mu in preparation of the present invention, adopt 5 mu of missible oil list agent products; Dosage: the sealing face of land was handled in spraying before 250ml/ mu was broadcast the back seedling; The weeds situation observed in 28 days.
Result of the test:
Experimental result table under the different embodiment situation of table 1
2, according to test results test example 1-5 the strain preventive effect and the fresh weight preventive effect of grass family and broad leaved weed are all compared according to the preventive effect of missible oil product and will be got well, difference on effect is remarkable.
Claims (2)
1. pendimethalin suspending agent, it is characterized in that: by weight, filling a prescription is: the former medicine 1-40 of pendimethalin part, emulsifier 2-10 part; The smart powder 0.1-0.5 of xanthans part, aluminium-magnesium silicate 0.5-1.5 part, 5 parts of ethylene glycol; 0.2 part of Sodium Benzoate, 0.5 part of antifoaming agent, water surplus.
2. a kind of pendimethalin suspending agent preparation method according to claim 1 is characterized in that: prescription by weight: the former medicine 1-40 of pendimethalin part, emulsifier 2-10 part, the smart powder 0.1-0.5 of xanthans part; Aluminium-magnesium silicate 0.5-1.5 part, 5 parts of ethylene glycol, 0.2 part of Sodium Benzoate; 0.5 part of antifoaming agent, water surplus takes by weighing respectively; Stir in the adding batch mixing still, feed then in the sand mill and grind jointly, promptly process the aqueous suspension agent of orange colour, flowability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110321566A CN102318600A (en) | 2011-10-14 | 2011-10-14 | Pendimethalin suspension and making method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110321566A CN102318600A (en) | 2011-10-14 | 2011-10-14 | Pendimethalin suspension and making method thereof |
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| Publication Number | Publication Date |
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| CN102318600A true CN102318600A (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201110321566A Pending CN102318600A (en) | 2011-10-14 | 2011-10-14 | Pendimethalin suspension and making method thereof |
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| CN (1) | CN102318600A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112704071A (en) * | 2020-12-30 | 2021-04-27 | 中国农业科学院棉花研究所 | Weeding composition and herbicide for cotton field and corn field |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102187862A (en) * | 2010-11-22 | 2011-09-21 | 南通联农农药制剂研究开发有限公司 | Pesticide composition containing pendimethalin and preparation method thereof |
-
2011
- 2011-10-14 CN CN201110321566A patent/CN102318600A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102187862A (en) * | 2010-11-22 | 2011-09-21 | 南通联农农药制剂研究开发有限公司 | Pesticide composition containing pendimethalin and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘彦良等: "20%二甲戊灵微囊悬浮剂的研制", 《现代农药》 * |
| 闫新华等: "30%二甲戊灵悬浮剂的研制", 《农药》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112704071A (en) * | 2020-12-30 | 2021-04-27 | 中国农业科学院棉花研究所 | Weeding composition and herbicide for cotton field and corn field |
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Application publication date: 20120118 |