CN114617123A - Hydrophilic and oleophilic microcapsule and preparation method thereof - Google Patents
Hydrophilic and oleophilic microcapsule and preparation method thereof Download PDFInfo
- Publication number
- CN114617123A CN114617123A CN202210375501.2A CN202210375501A CN114617123A CN 114617123 A CN114617123 A CN 114617123A CN 202210375501 A CN202210375501 A CN 202210375501A CN 114617123 A CN114617123 A CN 114617123A
- Authority
- CN
- China
- Prior art keywords
- wall material
- microcapsule
- hydrophilic
- core material
- raw material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003094 microcapsule Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000011162 core material Substances 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004321 preservation Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 6
- 235000010956 sodium stearoyl-2-lactylate Nutrition 0.000 claims abstract description 6
- KNYAZNABVSEZDS-UHFFFAOYSA-M sodium;2-octadecanoyloxypropanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC(=O)OC(C)C([O-])=O KNYAZNABVSEZDS-UHFFFAOYSA-M 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 235000013826 starch sodium octenyl succinate Nutrition 0.000 claims abstract description 4
- 239000001334 starch sodium octenyl succinate Substances 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 3
- 238000011534 incubation Methods 0.000 claims 1
- 230000002940 repellent Effects 0.000 abstract description 18
- 239000005871 repellent Substances 0.000 abstract description 18
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 239000011259 mixed solution Substances 0.000 description 6
- GUOCOOQWZHQBJI-UHFFFAOYSA-N 4-oct-7-enoxy-4-oxobutanoic acid Chemical compound OC(=O)CCC(=O)OCCCCCCC=C GUOCOOQWZHQBJI-UHFFFAOYSA-N 0.000 description 5
- 229940080313 sodium starch Drugs 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 229940080352 sodium stearoyl lactylate Drugs 0.000 description 3
- ODFAPIRLUPAQCQ-UHFFFAOYSA-M sodium stearoyl lactylate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC(=O)OC(C)C(=O)OC(C)C([O-])=O ODFAPIRLUPAQCQ-UHFFFAOYSA-M 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000003901 trigeminal nerve Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/26—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests in coated particulate form
- A01N25/28—Microcapsules or nanocapsules
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N27/00—Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
Abstract
The invention is suitable for the field of biological bird repellent agents, and provides a hydrophilic lipophilic microcapsule which is realized by the method, comprising a core material and a wall material, wherein the wall material is wrapped on the surface of the core material, and the raw material of the core material is starch sodium octenyl succinate; the wall material is prepared from sodium stearoyl lactate; the grain diameter of the core material is less than or equal to 100 mu m. The method comprises the following steps: adding a wall material raw material into water for heating, and then carrying out primary heat preservation on the heated wall material raw material to obtain molten wall material liquid; adding a core material raw material into the molten wall material liquid and stirring to obtain a mixture; and (3) performing second heat preservation on the mixture to obtain the hydrophilic and oleophylic microcapsule with the slow release function. The hydrophilic and oleophylic microcapsule provided by the invention has the advantages of large liquid absorption amount and strong adaptability to natural severe environment; and the preparation method of the hydrophilic and oleophylic microcapsule is simple and easy to operate, and can greatly promote the popularization and the use of the products.
Description
Technical Field
The invention belongs to the field of biological bird repellent agents, and particularly relates to a hydrophilic and lipophilic microcapsule and a preparation method thereof.
Background
The biological bird repellent is prepared by adsorbing bird repellent stock solution in an adsorption material, and stimulating trigeminal nerve of birds by using aromatic hydrocarbon substances volatilized with water simultaneously to achieve the aim of repelling birds.
The existing biological bird repellent is applied in agriculture and forestry, dosage forms mainly comprise a particle bird repellent composition, a powder bird repellent composition, an aqueous bird repellent composition and a paste bird repellent composition, and the defects of an adsorption material in the existing biological bird repellent cause small liquid absorption amount and poor adaptability to the natural severe environment, so that the popularization and use of the products are greatly limited, and therefore, the lipophilic and hydrophilic high adsorption material is the key of the long-acting biological bird repellent.
In order to avoid the above technical problems, it is necessary to provide a hydrophilic-lipophilic microcapsule and a preparation method thereof to overcome the above-mentioned drawbacks in the prior art.
Disclosure of Invention
The invention aims to provide a hydrophilic-lipophilic microcapsule and a preparation method thereof, aiming at solving the problems of small liquid absorption amount and poor adaptability to natural severe environment caused by the defect of an adsorption material in the existing biological bird repellent, and greatly limiting the popularization and the use of the product.
The invention is realized in such a way that the hydrophilic-lipophilic microcapsule comprises a core material and a wall material, wherein the wall material is wrapped on the surface of the core material, and the raw material of the core material is starch sodium octenyl succinate;
the wall material is prepared from sodium stearoyl lactate;
the grain diameter of the core material is less than or equal to 100 mu m.
According to a further technical scheme, the mass ratio of the core material to the wall material is 1: 5-5: 1.
According to a further technical scheme, the particle size of the microcapsule is 60-100 meshes, and the viscosity of the microcapsule is 50-500 cp.
In a further technical scheme, the method comprises the following steps:
step (1): adding a wall material raw material into water for heating, and then carrying out primary heat preservation on the heated wall material raw material to obtain molten wall material liquid;
step (2): adding a core material raw material into the molten wall material liquid and stirring to obtain a mixture;
and (3): and (3) performing second heat preservation on the mixture to obtain the hydrophilic and oleophylic microcapsule with the slow release function.
In a further technical scheme, the final temperature of wall material heating is 50-100 ℃.
According to a further technical scheme, the first heat preservation comprises the following steps: preserving the heat for 5-60min under the condition of the final temperature of wall material heating;
the second heat preservation comprises the following steps: and preserving the heat for 5-60min under the condition of the final temperature of wall material heating.
According to a further technical scheme, the microcapsule is used for preparing a bird repellent.
Compared with the prior art, the invention has the following beneficial effects:
the hydrophilic and oleophylic microcapsule provided by the invention has the advantages of large liquid absorption amount and strong adaptability to natural severe environment; and the preparation method of the hydrophilic and oleophylic microcapsule is simple and easy to operate, and can greatly promote the popularization and the use of the products.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Example 1
The hydrophilic and oleophylic microcapsule comprises the following raw materials in percentage by mass: 10% of sodium starch octenyl succinate, 50% of sodium stearoyl lactylate and 40% of water. The preparation method of the microcapsule comprises the following steps:
under the state of normal temperature and normal pressure, adding water with the corresponding weight according to the percentage into a reaction tank, adding sodium stearoyl lactate with the corresponding mass ratio, heating to 50 ℃, stirring, fully dissolving, and preserving heat for 5min to prepare a mixed solution A;
and adding sodium starch octenyl succinate in the weight ratio into the mixed solution A, fully mixing, and keeping the temperature for 5min to obtain the microcapsule.
Example 2
The hydrophilic and oleophylic microcapsule comprises the following raw materials in percentage by mass: 30% of starch sodium octenyl succinate, 30% of sodium stearoyl lactylate and 40% of water. The preparation method of the microcapsule comprises the following steps:
under the state of normal temperature and normal pressure, adding water with the corresponding weight according to the percentage into a reaction tank, adding sodium stearoyl lactate with the corresponding mass ratio, heating to 75 ℃, stirring, fully dissolving, and preserving heat for 35min to prepare a mixed solution A;
adding sodium starch octenyl succinate in the weight ratio into the mixed solution A, mixing completely, and keeping the temperature for 35min to obtain the microcapsule.
Example 3
The hydrophilic and oleophylic microcapsule comprises the following raw materials in percentage by mass: 50% of sodium starch octenyl succinate, 10% of sodium stearoyl lactylate and 40% of water. The preparation method of the microcapsule comprises the following steps:
step 1: under the state of normal temperature and normal pressure, adding water with the corresponding weight according to the percentage into a reaction tank, adding sodium stearoyl lactate with the corresponding mass ratio, heating to 100 ℃, stirring, fully dissolving, and preserving heat for 60min to prepare a mixed solution A;
and 2, step: adding sodium starch octenyl succinate in the weight ratio into the mixed solution A, mixing completely, and keeping the temperature for 60min to obtain the microcapsule.
The microcapsules in the three embodiments are used for preparing the bird repellent, the prepared bird repellent and the existing bird repellent are respectively used in test fields with the same area, and statistics results after a period of time show that the bird repellent prepared by the microcapsules in the three embodiments has a far better using effect than the existing bird repellent.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (6)
1. A hydrophilic lipophilic microcapsule comprises a core material and a wall material, wherein the wall material is wrapped on the surface of the core material, and is characterized in that the core material is starch sodium octenyl succinate;
the wall material is prepared from sodium stearoyl lactate;
the grain diameter of the core material is less than or equal to 100 mu m.
2. The amphiphilic microcapsule according to claim 1, wherein the mass ratio of the core material to the wall material is 1: 5-5: 1.
3. The hydrophilic-lipophilic microcapsule according to claim 1, wherein the particle size of said microcapsule is 60-100 mesh and the viscosity of said microcapsule is 50-500 cp.
4. A process for the preparation of the hydrophilic-lipophilic microcapsules according to any of claims 1 to 3, characterized in that it comprises the following steps:
step (1): adding a wall material raw material into water for heating, and then carrying out primary heat preservation on the heated wall material raw material to obtain a molten wall material liquid;
step (2): adding a core material raw material into the molten wall material liquid and stirring to obtain a mixture;
and (3): and (3) performing second heat preservation on the mixture to obtain the hydrophilic and oleophylic microcapsule with the slow release function.
5. The method for preparing hydrophilic-lipophilic microcapsules according to claim 4, wherein the final temperature of the wall material heating is 50-100 ℃.
6. The method of claim 4, wherein the first incubation comprises: preserving the heat for 5-60min under the condition of the final temperature of wall material heating;
the second heat preservation comprises the following steps: and preserving the heat for 5-60min under the condition of the final temperature of wall material heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210375501.2A CN114617123A (en) | 2022-04-11 | 2022-04-11 | Hydrophilic and oleophilic microcapsule and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210375501.2A CN114617123A (en) | 2022-04-11 | 2022-04-11 | Hydrophilic and oleophilic microcapsule and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114617123A true CN114617123A (en) | 2022-06-14 |
Family
ID=81905426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210375501.2A Pending CN114617123A (en) | 2022-04-11 | 2022-04-11 | Hydrophilic and oleophilic microcapsule and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114617123A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101019838A (en) * | 2007-02-12 | 2007-08-22 | 清华大学 | Linseed oil microcapsule powder and its prepn |
| CN102550817A (en) * | 2011-12-31 | 2012-07-11 | 厦门金达威集团股份有限公司 | Functional oil microencapsulation and manufacturing method thereof |
| CN104206561A (en) * | 2014-09-12 | 2014-12-17 | 北京欧凯米特科技有限公司 | Preparation process of peony seed oil micro-capsule powder |
| CN104324675A (en) * | 2014-10-16 | 2015-02-04 | 浙江春宝胶囊有限公司 | Microcapsule production technology |
| CN105663082A (en) * | 2016-01-21 | 2016-06-15 | 江苏怀仁生物科技有限公司 | High-inoxidizability lutein microcapsules and preparation method thereof |
| CN112167247A (en) * | 2020-11-13 | 2021-01-05 | 博德锐普(南京)科技有限公司 | Microcapsule bird-repelling insect-repellent agent, slow-release liquid bird-repelling insect-repellent agent and preparation method thereof |
| CN112704126A (en) * | 2020-12-18 | 2021-04-27 | 浙江远大生物科技有限公司 | Preparation method of oil microcapsule |
| CN114158586A (en) * | 2021-12-16 | 2022-03-11 | 甄研科技(上海)有限公司 | Hydrocolloid microcapsule and preparation method thereof |
-
2022
- 2022-04-11 CN CN202210375501.2A patent/CN114617123A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101019838A (en) * | 2007-02-12 | 2007-08-22 | 清华大学 | Linseed oil microcapsule powder and its prepn |
| CN102550817A (en) * | 2011-12-31 | 2012-07-11 | 厦门金达威集团股份有限公司 | Functional oil microencapsulation and manufacturing method thereof |
| CN104206561A (en) * | 2014-09-12 | 2014-12-17 | 北京欧凯米特科技有限公司 | Preparation process of peony seed oil micro-capsule powder |
| CN104324675A (en) * | 2014-10-16 | 2015-02-04 | 浙江春宝胶囊有限公司 | Microcapsule production technology |
| CN105663082A (en) * | 2016-01-21 | 2016-06-15 | 江苏怀仁生物科技有限公司 | High-inoxidizability lutein microcapsules and preparation method thereof |
| CN112167247A (en) * | 2020-11-13 | 2021-01-05 | 博德锐普(南京)科技有限公司 | Microcapsule bird-repelling insect-repellent agent, slow-release liquid bird-repelling insect-repellent agent and preparation method thereof |
| CN112704126A (en) * | 2020-12-18 | 2021-04-27 | 浙江远大生物科技有限公司 | Preparation method of oil microcapsule |
| CN114158586A (en) * | 2021-12-16 | 2022-03-11 | 甄研科技(上海)有限公司 | Hydrocolloid microcapsule and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20220614 |