CN107624804A - A kind of weed removal mulch film of esterification soybean oil synergy and preparation method thereof - Google Patents
A kind of weed removal mulch film of esterification soybean oil synergy and preparation method thereof Download PDFInfo
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- CN107624804A CN107624804A CN201710907521.9A CN201710907521A CN107624804A CN 107624804 A CN107624804 A CN 107624804A CN 201710907521 A CN201710907521 A CN 201710907521A CN 107624804 A CN107624804 A CN 107624804A
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- soybean oil
- mulch film
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- weed removal
- sodium hydroxide
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Abstract
The invention discloses a kind of weed removal mulch film of esterification soybean oil synergy and preparation method thereof, it is characterised in that is made up of the raw material of following parts by weight：Polyvinyl resin 40 80, soybean oil 30 40, sodium hydroxide 15 20, glycerine 39, methanol 100 200, appropriate calcium chloride, polyoxyethylene nonylphenol ether 10 48, Tween 80 48, chlorimuronethyl 10 20, hydroxypropyl beta cyclodextrin 40 50, distilled water 200 500, appropriate warm water.In the weed removal mulch film of the present invention, Herbicide master batch is dispersed, and the rate of release of herbicide slows down, and can extend its efficacy time.
Description
Technical field
The present invention relates to a kind of weed removal mulch film, more particularly to a kind of weed removal mulch film of esterification soybean oil synergy and its preparation
Method.
Background technology
At present, agricultural chemicals is following 4 points in subject matter present on use：（1）Dissolubility is poor.The agricultural chemicals of chemical synthesis is former
Medicine is all organic compound, and only part active compound can be dissolved in water and directly use, and most active compounds are all to be insoluble in dredging for water
It aqueous compounds, can not effectively be dissolved in water, active compound addition auxiliary agent or organic solvent etc. are often processed into missible oil, pulvis etc.
Pesticidal preparations are used；（2）Stability is poor.Because organic agricultural chemicals molecular characterization shows as easily waving under natural environment
Hair, photodissociation, hydrolysis etc., reduce active ingredient, are commonly incorporated into the auxiliary agents such as stabilizer；（3）Adsorption by soil, effective rate of utilization is low, production
Raw residues of pesticides.Hydrophobic pesticidal causes it to be lost in soil or leaching loss, not only reduced easily by soil colloid granular absorption
The effective rate of utilization of agricultural chemicals, and make degraded transmission of the agricultural chemicals in soil difficult, easily cause accumulation and the residual of agricultural chemicals；（4）
Environmental pollution is serious.It is often excessive in actual production operation in order to ensure the drug effect of agricultural chemicals because the effective rate of utilization of agricultural chemicals is low
Use, cause environment pollution.
Hydroxypropyl-β-cyclodextrin is to be distinguished by hydroxypropyl in Chagerdβcyclodextrins 6 and 2,3-OH on glucose molecule
On H atom and the derivative of beta-schardinger dextrin that is formed.Compared with parent P-cyclodextrin, hydroxypropyl-β-cyclodextrin both maintained
The inclusion characteristic of the hydrophobic cavity of parent, and due to adding hydroxypropyl outside the cavity of parent, substantially increase its water
Dissolubility, expand its application.The water solubility of hydroxypropyl-β-cyclodextrin is very high, and the solubility in water is up to 750 at room temperature
G/L, the solubilization to medicine are far longer than beta-schardinger dextrin, the solubility that can solve some insoluble drugs.
Zhang Jinyan is in its Ph.D. Dissertation《Cyclodextrin is to the including of herbicide, the research of solubilising and activity of weeding》In,
Herbicide is included with cyclodextrin, and have studied its performance, but the phase is also low, viscous there is droplet dispersion degree after application
The problems such as property is small.
The content of the invention
Think deeply based on more than, the present invention is intended to provide the herbicide that a kind of droplet dispersion is uniform, adherence is good, and its prepare
Method.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of weed removal mulch film of esterification soybean oil synergy, it is characterised in that be made up of the raw material of following parts by weight：
Polyvinyl resin 40-80, soybean oil 30-40, sodium hydroxide 15-20, glycerine 3-9, methanol 100-200, appropriate calcium chloride,
Emulsifier op-10 4-8, Tween 80 4-8, chlorimuronethyl 10-20, hydroxypropyl-β-cyclodextrin 40-50, distilled water 200-500,
Appropriate warm water.
The preparation method of the weed removal mulch film of described a kind of esterification soybean oil synergy, it is characterised in that be by following step
Suddenly it is made：
A. after soybean oil being warming up into 60-70 DEG C, the methanol solution of sodium hydroxide is added, reacts 40-80min under stirring condition,
Excessive methanol is distilled off after end, cools down, stands reactant mixture, removes oil reservoir, washs methyl esters layer with warm water, then use chlorine
Change calcium to dry；
B. 50-70 parts distilled water, emulsifier op-10, Tween 80 and the phonetic sulphur of chlorine are added into esterification soybean oil obtained by step a
It is grand, 20-30min is stirred, forms homogeneous missible oil solution；
C. hydroxypropyl-β-cyclodextrin is dissolved in 80-150 part distilled water, magnetic agitation 10-30min, at room temperature by step b institutes
Obtain missible oil solution to be added slowly thereto, continue magnetic agitation 10-15h after dripping, reaction solution rotary evaporation concentrates, filtering,
4h is dried in vacuo, obtains white powder；
D. powder obtained by step c and polyvinyl resin, glycerine are well mixed at 110-160 DEG C, are transferred to after extruding pelletization
In blow moulding machine, processing is blow molded at 130-200 DEG C, obtains mulch film.
The preparation method of the weed removal mulch film of described a kind of esterification soybean oil synergy, it is characterised in that sodium hydroxide
The preparation method of methanol solution is：Sodium hydroxide is dissolved in methanol solution under agitation.
The beneficial effects of the invention are as follows：Assistance synergy is carried out to herbicide with esterification soybean oil, can adhesion, spread,
The links such as deposition, infiltration, conduction play an important role and promote herbicide to play higher activity；With hydroxypropyl-β-cyclodextrin pair
Herbicide after synergy is included, and due to the hydrophily of hydroxypropyl existing for hydroxypropyl-β-cyclodextrin surface, is substantially increased
The water solubility and bioavilability of hydrophobic molecule, its big application；By emulsifier op-10 and Tween 80 with one to one
Ratio is used in mixed way, and overcomes the problem of single emulsifier emulsifying effectiveness is bad, contributes to esterification soybean oil and chlorimuronethyl
Fusion, form homogeneous missible oil；In the weed removal mulch film of the present invention, Herbicide master batch is dispersed, the rate of release of herbicide
Slow down, its efficacy time can be extended.
Embodiment
The embodiment of the present invention is further described with reference to embodiment.
Embodiment
A kind of weed removal mulch film of esterification soybean oil synergy, it is characterised in that be made up of the raw material of following parts by weight：
Polyvinyl resin 80, soybean oil 40, sodium hydroxide 20, glycerine 9, methanol 200, appropriate calcium chloride, emulsifier op-10 8,
Tween 80 8, chlorimuronethyl 20, hydroxypropyl-β-cyclodextrin 50, distilled water 500, appropriate warm water.
The preparation method of the weed removal mulch film of described a kind of esterification soybean oil synergy, it is characterised in that be by following step
Suddenly it is made：
A. after soybean oil being warming up into 60-70 DEG C, the methanol solution of sodium hydroxide is added, reacts 40-80min under stirring condition,
Excessive methanol is distilled off after end, cools down, stands reactant mixture, removes oil reservoir, washs methyl esters layer with warm water, then use chlorine
Change calcium to dry；
B. 50-70 parts distilled water, emulsifier op-10, Tween 80 and the phonetic sulphur of chlorine are added into esterification soybean oil obtained by step a
It is grand, 20-30min is stirred, forms homogeneous missible oil solution；
C. hydroxypropyl-β-cyclodextrin is dissolved in 80-150 part distilled water, magnetic agitation 10-30min, at room temperature by step b institutes
Obtain missible oil solution to be added slowly thereto, continue magnetic agitation 10-15h after dripping, reaction solution rotary evaporation concentrates, filtering,
4h is dried in vacuo, obtains white powder；
D. powder obtained by step c and polyvinyl resin, glycerine are well mixed at 110-160 DEG C, are transferred to after extruding pelletization
In blow moulding machine, processing is blow molded at 130-200 DEG C, obtains mulch film.
The preparation method of the weed removal mulch film of described a kind of esterification soybean oil synergy, it is characterised in that sodium hydroxide
The preparation method of methanol solution is：Sodium hydroxide is dissolved in methanol solution under agitation.
Claims (3)
1. a kind of weed removal mulch film of esterification soybean oil synergy, it is characterised in that be made up of the raw material of following parts by weight：
Polyvinyl resin 40-80, soybean oil 30-40, sodium hydroxide 15-20, glycerine 3-9, methanol 100-200, appropriate calcium chloride,
Emulsifier op-10 4-8, Tween 80 4-8, chlorimuronethyl 10-20, hydroxypropyl-β-cyclodextrin 40-50, distilled water 200-500,
Appropriate warm water.
A kind of 2. preparation method of the weed removal mulch film of esterification soybean oil synergy according to claim 1, it is characterised in that
It is made up of following steps：
A. after soybean oil being warming up into 60-70 DEG C, the methanol solution of sodium hydroxide is added, reacts 40-80min under stirring condition,
Excessive methanol is distilled off after end, cools down, stands reactant mixture, removes oil reservoir, washs methyl esters layer with warm water, then use chlorine
Change calcium to dry；
B. 50-70 parts distilled water, emulsifier op-10, Tween 80 and the phonetic sulphur of chlorine are added into esterification soybean oil obtained by step a
It is grand, 20-30min is stirred, forms homogeneous missible oil solution；
C. hydroxypropyl-β-cyclodextrin is dissolved in 80-150 part distilled water, magnetic agitation 10-30min, at room temperature by step b institutes
Obtain missible oil solution to be added slowly thereto, continue magnetic agitation 10-15h after dripping, reaction solution rotary evaporation concentrates, filtering,
4h is dried in vacuo, obtains white powder；
D. powder obtained by step c and polyvinyl resin, glycerine are well mixed at 110-160 DEG C, are transferred to after extruding pelletization
In blow moulding machine, processing is blow molded at 130-200 DEG C, obtains mulch film.
A kind of 3. preparation method of the weed removal mulch film of esterification soybean oil synergy according to claim 2, it is characterised in that
The preparation method of the methanol solution of sodium hydroxide is：Sodium hydroxide is dissolved in methanol solution under agitation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710907521.9A CN107624804A (en) | 2017-09-29 | 2017-09-29 | A kind of weed removal mulch film of esterification soybean oil synergy and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710907521.9A CN107624804A (en) | 2017-09-29 | 2017-09-29 | A kind of weed removal mulch film of esterification soybean oil synergy and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101449675A (en) * | 2008-11-19 | 2009-06-10 | 东北农业大学 | Preparation method of herbicide methylated vegetable oil adjuvants |
| CN103122079A (en) * | 2012-09-20 | 2013-05-29 | 湖南工业大学 | Starch-based composite blown film and preparation process of same |
| CN103535346A (en) * | 2013-10-11 | 2014-01-29 | 江苏省农业科学院 | Mixed pesticide spray assistant prepared from waste animal-plant oil mixture and its preparation method and use method |
| CN103535345A (en) * | 2013-09-30 | 2014-01-29 | 江苏省农业科学院 | Mixed pesticide spray auxiliary prepared from waste soybean oil-sunflower oil mixture, and preparation method and application method thereof |
-
2017
- 2017-09-29 CN CN201710907521.9A patent/CN107624804A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101449675A (en) * | 2008-11-19 | 2009-06-10 | 东北农业大学 | Preparation method of herbicide methylated vegetable oil adjuvants |
| CN103122079A (en) * | 2012-09-20 | 2013-05-29 | 湖南工业大学 | Starch-based composite blown film and preparation process of same |
| CN103535345A (en) * | 2013-09-30 | 2014-01-29 | 江苏省农业科学院 | Mixed pesticide spray auxiliary prepared from waste soybean oil-sunflower oil mixture, and preparation method and application method thereof |
| CN103535346A (en) * | 2013-10-11 | 2014-01-29 | 江苏省农业科学院 | Mixed pesticide spray assistant prepared from waste animal-plant oil mixture and its preparation method and use method |
Non-Patent Citations (3)
| Title |
|---|
| 张金艳: "环糊精对除草剂的包合、增溶与除草活性的研究", 《中国博士学位论文全文数据库 工程科技I辑》 * |
| 王秋霞: "甲酯化大豆油助剂的制备及其对除草剂增效作用的研究", 《中国优秀博硕士学位论文全文数据库（硕士） 工程科技I辑》 * |
| 谢东等: "聚乙烯除草地膜的制备及其结构与性能研究", 《塑料科技》 * |
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