CN103828797A - Novel special auxiliary of atrazine suspension and preparation method of auxiliary - Google Patents
Novel special auxiliary of atrazine suspension and preparation method of auxiliary Download PDFInfo
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- CN103828797A CN103828797A CN201410097441.8A CN201410097441A CN103828797A CN 103828797 A CN103828797 A CN 103828797A CN 201410097441 A CN201410097441 A CN 201410097441A CN 103828797 A CN103828797 A CN 103828797A
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- formaldehyde resin
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Abstract
The invention discloses a novel special auxiliary of atrazine suspension. The auxiliary consists of the following components in parts by weight: 1 to 3 parts of nonylphenol formaldehyde resin, 20 to 30 parts of ethylene oxide, 0.2 to 0.3 part of KOH, 0.1 to 0.3 part of ethanolamine and 0.2 to 0.6 part of P2O5. A preparation method comprises the steps of feeding the nonylphenol formaldehyde resin and the KOH into a 1L reaction kettle with a thermometer, a stirrer and a jacket, performing dehydration for 1.5 hours under the conditions of 120 DEG C and -0.97Mpa, and performing displacement for three times by N2; after water is detected to be qualified, introducing the P2O5 into the reaction kettle at 145 DEG C, and continuously introducing the ethylene oxide when the temperature in the kettle is raised with pressure drop; and after the ethylene oxide is introduced, performing heat preservation and aging at 130 EG C for 1.5 hours to normal pressure, performing vacuumizing and discharging, and adding the ethanolamine for performing neutralization to obtain the finished product.
Description
Technical field
The invention belongs to insecticides adjuvant technical field, more specifically relate to a kind of novel atrazine suspending agent special assistant and preparation method thereof.
Background technology
China is large agricultural country, and the output of agricultural chemicals and consumption are very large.But a kind of development investment of novel agrochemical is large, and the cycle is long, develop slowlyer, be one method comparatively easily and pesticide processing is become to different formulations.Wherein the agricultural chemicals suspension agent of water base property is a kind of important novel form.
The auxiliary agent of external said preparation is generally made up of dispersant and wetting agent, taking dispersant as main.Especially wherein there is the anionic dispersing agents of nonionic character, not only there is good wetability, can be by the orientation absorption of SAA, reduce the surface tension between solid, liquid, being convenient to solids can be wetting fully by water, also help particle cluster dispersion or spallation and become tiny particle, increased the energy barrier that prevents that powder from reassembling, thereby can stop preferably the again coalescent of powder.Be applied in preparation product physicochemical property good, store after 2 years, except having slight bleed layer, solidify phenomenon.Still can reply even state through rocking.
At present, the domestic auxiliary agent for said preparation is taking traditional nonionic SAA as main substantially, and due to electrostatic repulsion forces can not be provided simultaneously, the preparation physical stability being made into is undesirable, often occurs the products solidifying of vast scale, has had a strong impact on the use of this product.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, a kind of novel atrazine suspending agent special assistant is provided.
Another object of the present invention is to provide the preparation method of this atrazine suspending agent special assistant.
For achieving the above object, the present invention has taked following technical scheme:
A kind of novel atrazine suspending agent special assistant, in weight portion, composed of the following components:
Nonyl phenol formaldehyde resin: 1～3, oxirane: 20～30,
KOH:0.2～0.3, monoethanolamine: 0.1～0.3, P
2o
5: 0.2～0.6.
The preparation method of described novel atrazine suspending agent special assistant is as follows:
In the 1L reactor that thermometer, agitator and chuck are housed, drop into nonyl phenol formaldehyde resin and KOH, under 120 DEG C ,-0.97Mpa vacuum, dewater 1.5 hours, then use N
2replace 3 times, after detection moisture is qualified, 145 DEG C time, in reactor, pass into P
2o
5, during when the temperature rise in still and with pressure drop, pass into continuously oxirane, after having led to,, to normal pressure, vacuumize, discharging in aging 1.5 hours of 130 DEG C of insulations, add monoethanolamine and neutralize to obtain finished product.
Compared with prior art, the present invention has following beneficial effect:
(1) design of this product has broken through domestic traditional idea (nonionic and calcium salt are composite), is made up of novel dispersant and wetting agent by general in the world, and both bring into play synergistic effect, can further improve the physicochemical property of preparation.
(2) think ratio with domestic at present conventional dispersant as alkylnaphthalene sulfonate, dodecyl benzene sulfonate etc., on the molecular structure of this product, increase suitable ethylene oxide molecule chain, make it have the character of non-ionic surface active agent, advantage is that stability of emulsion is strengthened.
(3) this product is to be formed by good non-ionic surface active agent Phosphation modification, make it possess the character of anion surfactant, advantage is also that stability of emulsion is strengthened, this is that stable impact is mainly manifested on the surface potential that disperses droplet because the emulsifier of anionic is on emulsion, electric double layer thickness is larger, surface potential is higher, prevents that the repulsion of flocculation is more effective between drop, and emulsion is more stable.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
A kind of novel atrazine suspending agent special assistant, in weight portion, composed of the following components:
Nonyl phenol formaldehyde resin: 2, oxirane: 26,
KOH:0.2, monoethanolamine: 0.2, P
2o
5: 0.4.
The preparation method of described novel atrazine suspending agent special assistant is as follows:
In the 1L reactor that thermometer, agitator and chuck are housed, drop into nonyl phenol formaldehyde resin and KOH, under 120 DEG C ,-0.97Mpa vacuum, dewater 1.5 hours, then use N
2replace 3 times, after detection moisture is qualified, 145 DEG C time, in reactor, pass into P
2o
5, during when the temperature rise in still and with pressure drop, pass into continuously oxirane, after having led to,, to normal pressure, vacuumize, discharging in aging 1.5 hours of 130 DEG C of insulations, add monoethanolamine and neutralize to obtain finished product.
The performance indications of the product that the present embodiment makes are as follows:
Outward appearance: faint yellow to brown color thick liquid
PH value (1% aqueous solution): 5.2～6.8
Moisture, % :≤1.0
Solid content: >=70.
After in May, 2013 Success in Experiment of the present invention, in in July, 2013, carry out small lot test manufacture, placeed goods on trial sale 20 tons of DY-013 type atrazine suspending agent special assistants, use through several users such as Ba Mubo bio tech ltd, Jiangxi, Jiangxi Ba Feite Chemical Co., Ltd., all unanimously reflect that this product consumption is few, efficient, safety, reliable product quality.Result on trial shows, the exploitation of this product produces a desired effect.Pass through the detection of Co., Ltd of chemical industry inspection point of Zhejiang Province in August, 2013, " examining report " that provide at this station proves that listed testing result shows, indices all reaches or is better than the requirement in " DY-013 type atrazine suspending agent special assistant " company standard.
Claims (2)
1. a novel atrazine suspending agent special assistant, is characterized in that, in weight portion, composed of the following components:
Nonyl phenol formaldehyde resin: 1～3, oxirane: 20～30,
KOH:0.2～0.3, monoethanolamine: 0.1～0.3, P
2o
5: 0.2～0.6.
2. the preparation method of a kind of novel atrazine suspending agent special assistant claimed in claim 1, is characterized in that, comprises the steps:
In the 1L reactor that thermometer, agitator and chuck are housed, drop into nonyl phenol formaldehyde resin and KOH, under 120 DEG C ,-0.97Mpa vacuum, dewater 1.5 hours, then use N
2replace 3 times; After detection moisture is qualified, 145 DEG C time, in reactor, pass into P
2o
5, during when the temperature rise in still and with pressure drop, pass into continuously oxirane; After having led to,, to normal pressure, vacuumize, discharging in aging 1.5 hours of 130 DEG C of insulations, add monoethanolamine and neutralize to obtain finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410097441.8A CN103828797A (en) | 2014-03-17 | 2014-03-17 | Novel special auxiliary of atrazine suspension and preparation method of auxiliary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410097441.8A CN103828797A (en) | 2014-03-17 | 2014-03-17 | Novel special auxiliary of atrazine suspension and preparation method of auxiliary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103828797A true CN103828797A (en) | 2014-06-04 |
Family
ID=50792951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410097441.8A Pending CN103828797A (en) | 2014-03-17 | 2014-03-17 | Novel special auxiliary of atrazine suspension and preparation method of auxiliary |
Country Status (1)
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997005779A1 (en) * | 1995-08-04 | 1997-02-20 | Rhone-Poulenc Chimie | Plant protection composition containing one or more water soluble active materials and one or more polyalkoxylated amidoamines |
| CN1515151A (en) * | 2003-08-26 | 2004-07-28 | 中国石化集团金陵石油化工有限责任公 | Special-purpose adjuvant for pesticide suspension agent and its preparation method |
| CN102888040A (en) * | 2012-10-18 | 2013-01-23 | 云南云蔗科技开发有限公司 | Weeding mulching film specialized for sugarcanes |
-
2014
- 2014-03-17 CN CN201410097441.8A patent/CN103828797A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997005779A1 (en) * | 1995-08-04 | 1997-02-20 | Rhone-Poulenc Chimie | Plant protection composition containing one or more water soluble active materials and one or more polyalkoxylated amidoamines |
| CN1515151A (en) * | 2003-08-26 | 2004-07-28 | 中国石化集团金陵石油化工有限责任公 | Special-purpose adjuvant for pesticide suspension agent and its preparation method |
| CN102888040A (en) * | 2012-10-18 | 2013-01-23 | 云南云蔗科技开发有限公司 | Weeding mulching film specialized for sugarcanes |
Non-Patent Citations (1)
| Title |
|---|
| 张建荣: "38%莠去津悬浮剂专用助剂的研制和应用", 《精细石油化工进展》 * |
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Application publication date: 20140604 |