CN1104839C - Coating for killing tardigrade - Google Patents
Coating for killing tardigrade Download PDFInfo
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- CN1104839C CN1104839C CN98120400A CN98120400A CN1104839C CN 1104839 C CN1104839 C CN 1104839C CN 98120400 A CN98120400 A CN 98120400A CN 98120400 A CN98120400 A CN 98120400A CN 1104839 C CN1104839 C CN 1104839C
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- coating
- killing
- tardigrade
- sumithion
- aqueous suspension
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Abstract
The present invention relates to coating which is used for killing tardigrades and is microencapsulated, a preparation method and application thereof. The microencapsulated coating for killing tardigrades is composed of 0.25 to 2.0% of microcapsule aqueous suspension agent and 98 to 99.75% of water based coating, wherein the microcapsule aqueous suspension agent contains 0.1 to 5.0% of pyrethroid and folithion which are effective components for killing tardigrades, 0.08 to 0.94% of capsule wall material polymethyl polyphenyl isocyanate and hexamethylenetetramine, 0.06 to 0.3% of dispersing agent and water as the rest.
Description
The present invention relates to coating for killing tardigrade, its preparation method and the application of microencapsulation.
Coating, particularly interior wall coating generally have alkalescence.As everyone knows, alkalescence particularly has decomposition to organophosphorous pesticide to agricultural chemicals, and when agricultural chemicals was applied to interior wall coating, generally speaking, agricultural chemicals was with very fast decomposition, and therefore, the effect of agricultural chemicals being mixed coating (particularly interior wall coating) generally can not be lasting.With pesticide micro capsuleization, many advantages are arranged, one can be covered the penetrating odor of agricultural chemicals and make the agricultural chemicals application safety, its two, can control the rate of release of agricultural chemicals, make lasting medicine.For interior wall coating, with pesticide micro capsuleization, can alleviate the decomposition of agricultural chemicals, and arthropodicides made interior wall coating with Arthropodicidal effect, do not need other procedure, can save manpower like this, reduce the contact of agricultural chemicals, safeguard work personnel's health is of practical significance the custodial staff.
The method of microencapsulation is a lot, and interfacial polymerization, situ aggregation method, coacervation, phase separation method, liquid drying method, dissolving dispersion method are for example arranged.The present invention adopts and is easy to control wall thickness, is easy to industrialized interfacial polymerization.
The present invention relates to the Arthropodicidal interior wall coating of microencapsulation, it contains Arthropodicidal active ingredient pyrethroid such as cypermethrin as the capsule core material, decis, sumicidin, the mixture of permethrin and sumithion, glycerine as cyst material, hexa, poly-methyl polyphenylene isocyanates (PAPI), Toluene-2,4-diisocyanate, 4-vulcabond (TDI), preferred poly-methyl polyphenylene isocyanates, hexa, dispersant such as calcium lignosulfonate, polyvinyl alcohol, preferred calcium lignosulfonate, and as the water based paint of paint ingredient, as emulsion paint, the water dispersible lacquer, preferred emulsion paint.
Specifically, the present invention relates to a kind of Arthropodicidal interior wall coating of microencapsulation, it contains the water based paint of 0.25-25% microcapsules aqueous suspension agent and 75-99.5%.Above-mentioned microcapsules aqueous suspension agent contain 0.1-5% as Arthropodicidal active ingredient pyrethroid and sumithion (1: 0.2-10), poly-methyl polyphenylene isocyanates of 0.08-0.94% cyst material and hexa (1: 1-2.5) and the 0.06-0.3% calcium lignosulfonate, surplus is a water, and wherein the particle diameter of microcapsules is the 10-100 micron.
The invention still further relates to the preparation method of the Arthropodicidal interior wall coating of microencapsulation.
Specifically, the coating for killing tardigrade of microencapsulation of the present invention is prepared as follows: the mixture that adds Arthropodicidal active ingredient pyrethroid and sumithion in water and calcium lignosulfonate solution, after under two-forty, stirring, add PAPI, continue to stir.Add hexa, continue to stir.Heat up then, stir under low rate, PAPI and hexa are fully acted on, promptly can form with pyrethroid and sumithion is core material, and hexa and PAPI are the microcapsules aqueous suspension of capsule skin.Then, the microcapsules aqueous suspension of gained is joined in the water based paint, stir coating for killing tardigrade.
The present invention makes more specific description with the following example; But these embodiment are intended to explanation and unrestricted the present invention.
Example of formulations 1
In stirred reactor, add 20.7 ml waters and 2 gram calcium lignosulfonates, be heated to 30 ℃ and make the calcium lignosulfonate dissolving.The mixture that adds 63.2 gram sumithion crude oil (content 95%) and 31.6 gram cypermethrin crude oils (content 95%) then.Stir with 5000 rev/mins speed, make the drop size reach the 0.5-50 micron.Stir after 5 minutes, add 5 gram PAPI, stirred 5 minutes, add 5 gram hexas again, stirred again 5 minutes.Heat temperature raising stirred 2 hours to about 80 ℃.Stir speed (S.S.) is reduced to 2000 rev/mins, stirred 30 minutes.Microcapsules in the reactant liquor can all be used for next step.
10 milliliters of aforesaid liquids are joined in 0.29 kilogram of emulsion paint (vinyl acetate type or polyacrylate), stir, obtain 1.5% microencapsulation coating for killing tardigrade.
Example of formulations 2
Repeat example of formulations 1, but replace 31.6 gram cypermethrin crude oils (content 95%) with 33.4 gram fenvalerate crude oils (content 90%), the microcapsule suspensions that obtains has similar character, and viscosity is lower, and particle diameter is the 40-50 micron.
The microcapsule suspensions that makes is thus joined 0.17 kilogram of emulsion paint (model is with example of formulations 1) for 10 milliliters, obtain 2.5% microencapsulation coating for killing tardigrade.
Example of formulations 3
In stirred reactor, add 26 ml waters and 2 gram calcium lignosulfonates, be heated to 30 ℃ and make the calcium lignosulfonate dissolving.The mixture that adds 10.2 gram decises (content 98%) and 86.3 gram sumithion crude oil (content 95%) then.Stir with 5000 rev/mins speed, make the drop size reach the 0.5-50 micron.Stir after 5 minutes, add 5 gram PAPI, stirred 5 minutes, add 5 gram hexas again, stirred again 5 minutes.Heat temperature raising stirred 2 hours to about 80 ℃.Stir speed (S.S.) is reduced to 2000 rev/mins, stirs minute.Microcapsules in the reactant liquor can all be used for next step.
10 milliliters of aforesaid liquids are joined in 0.55 kilogram of emulsion paint (vinyl acetate type or polyacrylate), stir, obtain 0.8% microencapsulation coating for killing tardigrade.
Application Example
In floor space is 0.065 meter
2, in the high 20 centimetres wide-mouth bottle, press 3-4 rice
2The amount of/kilogram is coated with the coating for killing tardigrade that brushes example of formulations 1, brushes altogether two times, and first coating is brushed second time after becoming dry.After treating that coating becomes dry, around bottle, coat polytetrafluoroethylene (PTFE) to prevent the insect escape.Move into 10 of each 30 spiders of lesser grain borer, red flour beetle, rice weevil, booklice, mite afterwards, each tests triplicate.Check result after 24 hours, lethality is 100%.
Claims (11)
1, a kind of coating for killing tardigrade, it is characterized in that, it is made up of the water based paint of 0.5-25% microcapsules aqueous suspension and 75-99.5%, wherein, the microcapsules aqueous suspension contains pyrethroid and the sumithion as Arthropodicidal active ingredient of 0.1-5%, poly-methyl polyphenylene isocyanates of 0.08-0.94% cyst material and hexa, the 0.06-0.3% dispersant, surplus is a water.
2, according to the coating for killing tardigrade of claim 1, wherein, the weight ratio of Arthropodicidal active ingredient pyrethroid and sumithion is 1: 0.2-10.
3, according to the coating for killing tardigrade of claim 2, wherein, the weight ratio of poly-different acid esters of methyl polyphenylene of cyst material and hexa is 1: 1-2.5.
4, according to arbitrary coating for killing tardigrade of claim 1-3, wherein, the dispersant in the described microcapsule formulations is a calcium lignosulfonate.
5, according to the coating for killing tardigrade of one of claim 1-3, wherein, described water based paint is an emulsion paint.
6, according to the coating for killing tardigrade of claim 4, wherein, described water based paint is an emulsion paint.
7, a kind of microcapsules aqueous suspension agent, it contains pyrethroid and the sumithion as Arthropodicidal active ingredient of 0.1-5%, poly-methyl polyphenylene isocyanates of 0.08-0.94% cyst material and hexa, the 0.06-0.3% dispersant, surplus is a water.
8, according to the method for claim 7, wherein, the weight ratio of Arthropodicidal active ingredient and sumithion is 1: 0.2-10.
9, method according to Claim 8, wherein, the weight ratio of Arthropodicidal active ingredient and sumithion is 1: 1-2.5.
10, according to arbitrary microcapsules aqueous suspension agent of claim 7-9, wherein, described dispersant is a calcium lignosulfonate.
11, the method of the coating for killing tardigrade of preparation claim 1, described method comprises: the mixture that adds Arthropodicidal active ingredient pyrethroid and sumithion in water and calcium lignosulfonate solution, after under two-forty, stirring, add poly-methyl polyphenylene isocyanates, continue to stir, add hexa, continue to stir, heat up then, under low rate, stir, poly-methyl polyphenylene isocyanates and hexa are fully acted on, promptly can form with pyrethroid and sumithion is core material, the microcapsules aqueous suspension that hexa and poly-methyl polyphenylene isocyanates are the capsule skin, then, the microcapsules aqueous suspension of gained is joined in the water based paint, stir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98120400A CN1104839C (en) | 1998-10-15 | 1998-10-15 | Coating for killing tardigrade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98120400A CN1104839C (en) | 1998-10-15 | 1998-10-15 | Coating for killing tardigrade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1251260A CN1251260A (en) | 2000-04-26 |
| CN1104839C true CN1104839C (en) | 2003-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98120400A Expired - Fee Related CN1104839C (en) | 1998-10-15 | 1998-10-15 | Coating for killing tardigrade |
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| CN (1) | CN1104839C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105980511B (en) * | 2014-02-14 | 2020-06-02 | 日立化成株式会社 | Sugar alcohol microcapsule, slurry, and resin molded article |
| CN105076129A (en) * | 2014-04-22 | 2015-11-25 | 广东华润涂料有限公司 | Insecticide microcapsules and preparation method thereof |
| CN109453725A (en) * | 2018-11-29 | 2019-03-12 | 华南理工大学 | A kind of bivalve layer pyrethroids microcapsules and its preparation method and application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034655A (en) * | 1987-12-25 | 1989-08-16 | 住友化学工业株式会社 | The inhibition composition of cockroach of microencapsulation |
| CN1063017A (en) * | 1992-02-17 | 1992-07-29 | 南京林业大学 | Preparation method of sulfur-phosphorous microcapsule used for killing snout mouth's larva |
| CN1067552A (en) * | 1991-06-12 | 1993-01-06 | 三井东压化学株式会社 | Insecticides and preparation method thereof |
-
1998
- 1998-10-15 CN CN98120400A patent/CN1104839C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034655A (en) * | 1987-12-25 | 1989-08-16 | 住友化学工业株式会社 | The inhibition composition of cockroach of microencapsulation |
| CN1067552A (en) * | 1991-06-12 | 1993-01-06 | 三井东压化学株式会社 | Insecticides and preparation method thereof |
| CN1063017A (en) * | 1992-02-17 | 1992-07-29 | 南京林业大学 | Preparation method of sulfur-phosphorous microcapsule used for killing snout mouth's larva |
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| Publication number | Publication date |
|---|---|
| CN1251260A (en) | 2000-04-26 |
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