CN106000249A - Method for preparing microcapsule having fragrance slow release function - Google Patents
Method for preparing microcapsule having fragrance slow release function Download PDFInfo
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- CN106000249A CN106000249A CN201610338140.9A CN201610338140A CN106000249A CN 106000249 A CN106000249 A CN 106000249A CN 201610338140 A CN201610338140 A CN 201610338140A CN 106000249 A CN106000249 A CN 106000249A
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- 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
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/10—Complex coacervation, i.e. interaction of oppositely charged particles
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- 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
- B01J13/04—Making microcapsules or microballoons by physical processes, e.g. drying, spraying
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- 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
- B01J13/04—Making microcapsules or microballoons by physical processes, e.g. drying, spraying
- B01J13/043—Drying and spraying
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/0003—Compounds of unspecified constitution defined by the chemical reaction for their preparation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Plant Pathology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Manufacturing Of Micro-Capsules (AREA)
Abstract
The invention discloses a method for preparing a microcapsule having a slow fragrance release function. According to the method, essence having a function of tranquilizing the mind by nourishing the heart is subjected to dual coating through shell powder and a microcapsule to obtain the microcapsule having the fragrance slow release function. The preparation method is simple, and active ingredients of fragrance can be released slowly continuously. When the microcapsule is applied to internal wall coating, the microcapsule not only makes it aromatic durably indoors, but also has a function of tranquilizing the mind by nourishing the heart, and has effects of relieving mental fatigue and improving sleep.
Description
Technical field
The present invention relates to technical field of fine, be specifically related to the preparation method of a kind of microcapsule with fragrance slow-release function.
Background technology
In recent years, microcapsule technology develops rapidly, guides the product such as textile, coating to obtain technological innovation at the aspect such as functional, fashion, advance, and fragrance can not only make people produce fine reverie, also has multiple medicinal health care function.Microcapsule is used to provide miniature vessel just can protect spice volatilization, prevent oxidation and the pollution of spice.
Chinese invention patent CN100999697A discloses the preparation method and application of a kind of perfumery nano capsule dispersant liquid.The method utilizes etherificate melamine resin performed polymer as the monomer of formation capsule wall material, and the capsule grain diameter of formation is 140-180nm, good dispersion.But this capsule is applied to fabric, within its 6 months, later essence content have dropped 2/3, does not substantially have fragrance emission, and the general product such as medicated clothing, interior wall coating need to use 5-10, therefore the long-acting perfume effect of holding of this capsule still has to be strengthened after 1 year.
Summary of the invention
Above not enough for solving, it is desirable to provide the preparation method of a kind of microcapsule with fragrance slow-release function, thus it is greatly prolonged slow-release time, reach the long-acting effect holding perfume.
The technical scheme is that the preparation method of a kind of microcapsule with fragrance slow-release function, comprise the following steps:
Prepared by A, emulsion: weigh the gelatin of certain mass and arabic gum in beaker, it is separately added into a certain amount of distilled water, it is made fully to dissolve in 40 DEG C of water-baths, then by both solution mix homogeneously, add nanoscale calcined shell powder, by high speed dispersor high speed dispersion 2-3min under conditions of 3000-5000rpm, add a certain amount of tranquilizing by nourishing the heart function essence,
Continue emulsifying 5-8min under conditions of 10000-12000rpm, form uniform emulsion；
B, complex coacervation: use regulation pH value method；To pour into after emulsion in there-necked flask, add distilled water diluting to required concentration, 40 DEG C of stirrings and drip 10% acetum, regulation system pH be to 3.5-4.0, makes gelatin produce with arabic gum and condenses, constant temperature
15-20min, condensed phase is assembled around oiliness capsule-core and forms cladding；
C, solidification: ice-water bath makes system be cooled to 10-15 DEG C, and with 10% sodium hydroxide solution regulate pH be 5.8-6.2, add glutamine transaminage, maintain stirring at low speed, make microcapsule solidify, obtain micro-capsule dispersion liquid；
D, be dried: by micro-capsule dispersion liquid static layering, remove supernatant, sucking filtration, wash on a small quantity, obtain wet capsule, then through drying under reduced pressure or lyophilization, solid-state microcapsule；Or directly it is spray-dried after removing appropriate supernatant, the powder microcapsule of solid-state mobility can be obtained.
Conch meal is by making after high-temperature calcination, pulverizing by natural seashell.Its constituent is the calcified materials such as calcium carbonate, calcium oxide, calcium hydroxide, this is as cellular, there is the functions such as absorption, the effect decomposing (formaldehyde, benzene, ammonia) etc. and adjusting air humidity, the conch meal simultaneously fired has extremely strong antibacterial and bactericidal action to the various bacteria including including escherichia coli, Salmonella, yellow glucose fungus etc., and has the function of anticorrosion, mildew-resistant.
In the present invention, the emulsifying stage in microcapsule preparation process adds nanoscale calcined shell powder, the effective ingredient such as the phenols in part essence, alcohols, lipid can be distributed in the hole of nanoscale calcined shell powder, after forming microcapsule again, dual cladding can be reached, strengthen the effect of slow-release function further.
Conch meal itself possesses extremely strong antibacterial, bactericidal action simultaneously, and with under the common effect of essence, antibacterial, bactericidal action is obviously enhanced.
Preferably, the preparation method of described tranquilizing by nourishing the heart function essence, comprise the following steps:
A, plant mixture and distilled water being added in flask, the quality of distilled water is 20-30 times of plant mixture quality；
B, it is heated to 35-40 DEG C, and distillation of reducing pressure, collect distillate；
C, gained distillate is filtered and concentrated to original volume 1/10th after obtain described tranquilizing by nourishing the heart function essence.
Preferably, described plant mixture comprises tilia europaea and a kind of flowers and plants or two or more flowers and plants mixture.
Preferably, described flowers and plants are lavandula angustifolia or Flos Lilii viriduli or Flos Jasmini Sambac.
Preferably, the preparation method of described plant mixture is: the preparation method of described plant mixture is: tilia europaea mixed homogeneously with flowers and plants, pile flowers and plants heap, after flowers and plants heap is placed in the low temperature environment of 0-5 DEG C cooling 2-3h, pulverize with pulverizer, ambient temperature is gradually heating to 10 DEG C with the speed of 1 DEG C/h, collects and pulverize sample, standby.
The preparation method of the plant mixture of the present invention, by tilia europaea is mixed with flowers and plants, in the way of low temperature gradually heats up, fragrance is first pinned with low temperature and the most gradually discharge, the fragrance of flowers and plants is gradually released to tilia europaea and absorbs, whole treatment temperature is less than 40 DEG C, make part fragrance incomplete release, can be locked in microcapsule, slowly come out after using；This technique can ensure that the health-care components such as the phenols contained by plant mixture, alcohols, lipid are not destroyed simultaneously.
The present invention compared with prior art, has the effect that
1. low production cost, it is not necessary to increase special equipment, easy to operate.
2. essence is under the dual coating function of conch meal and micro encapsulation, can enable active component and fragrance for a long time, discharge lentamente, and timeliness can reach 5-10.
3. because of containing multiple Chinese herbal medicine and effective ingredients in plant in tranquilizing by nourishing the heart essence, it is possible to mind tranquilizing and the heart calming, alleviate pressure, improve sleep, health invigorating.
4. conch meal and essence combine, and antibacterial effect is more preferably.
Detailed description of the invention
Below in conjunction with embodiment, technical scheme is further analyzed and described.
The preparation method of a kind of microcapsule with fragrance slow-release function, it is characterised in that comprise the following steps:
Prepared by A, emulsion: weigh the gelatin of certain mass and arabic gum in beaker, it is separately added into a certain amount of distilled water, it is made fully to dissolve in 40 DEG C of water-baths, then by both solution mix homogeneously, add nanoscale calcined shell powder, by high speed dispersor high speed dispersion 2.5min under conditions of 4000rpm, add a certain amount of tranquilizing by nourishing the heart function essence,
Continue emulsifying 7min under conditions of 10000rpm, form uniform emulsion；
B, complex coacervation: use regulation pH value method；To pour into after emulsion in there-necked flask, add distilled water diluting to required concentration, 40 DEG C of stirrings and drip 10% acetum, regulation system pH be to 3.8, makes gelatin produce with arabic gum and condenses, constant temperature
15min, condensed phase is assembled around oiliness capsule-core and forms cladding；
C, solidification: ice-water bath makes system be cooled to 12 DEG C, and with 10% sodium hydroxide solution regulate pH be 6.0, add glutamine transaminage, maintain stirring at low speed, make microcapsule solidify, obtain micro-capsule dispersion liquid；
D, be dried: by micro-capsule dispersion liquid static layering, remove supernatant, sucking filtration, wash on a small quantity, obtain wet capsule, then through drying under reduced pressure solid-state microcapsule.
The preparation method of described tranquilizing by nourishing the heart function essence, comprises the following steps:
A, plant mixture and distilled water being added in flask, the quality of distilled water is 25 times of plant mixture quality；
B, it is heated to 35 DEG C, and distillation of reducing pressure, collect distillate；
C, gained distillate is filtered and concentrated to original volume 1/10th after obtain described tranquilizing by nourishing the heart function essence.
Described plant mixture comprises tilia europaea and flowers and plants.
The preparation method of described plant mixture is: tilia europaea mixed homogeneously with flowers and plants, piles flowers and plants heap, after flowers and plants heap is placed in the low temperature environment of 2 DEG C cooling 2.5h, pulverize with pulverizer, ambient temperature is gradually heating to 10 DEG C with the speed of 1 DEG C/h, collects and pulverize sample, standby.
In each specific embodiment, each weight percentages of components of microcapsule please see table:
| Gelatin | Arabic gum | Nanoscale calcined shell powder | Essence | |
| Embodiment 1 | 55 | 42 | 0.8 | Surplus |
| Embodiment 2 | 50 | 45 | 0.5 | Surplus |
| Embodiment 3 | 45 | 53 | 0.5 | Surplus |
| Embodiment 4 | 45 | 51 | 0.7 | Surplus |
| Embodiment 5 | 55 | 39 | 0.8 | Surplus |
| Embodiment 6 | 60 | 37 | 1.0 | Surplus |
| Embodiment 7 | 60 | 35 | 1.0 | Surplus |
In each specific embodiment, each weight percentages of components of plant mixture please see table:
| Tilia europaea | Lavandula angustifolia | Flos Lilii viriduli | Flos Jasmini Sambac | |
| Embodiment 1 | 68 | 10 | 10 | 12 |
| Embodiment 2 | 65 | 35 | 0 | 0 |
| Embodiment 3 | 65 | 0 | 35 | 0 |
| Embodiment 4 | 70 | 0 | 0 | 30 |
| Embodiment 5 | 72 | 15 | 7 | 6 |
| Embodiment 6 | 72 | 2 | 8 | 18 |
| Embodiment 7 | 75 | 15 | 5 | 5 |
Being joined by 10% microcapsule in water-borne acrylic resin class water paint, the coating obtained carries out steel plate film, and thickness is 5mm, tests:
Table one: the essence content (mg/m of film2):
| The storage time | 1 month | 3 months | 6 months | 1 year | 3 years | 5 years |
| Embodiment 1 | 2500 | 2300 | 2000 | 1500 | 800 | 200 |
| Embodiment 2 | 2700 | 2500 | 2200 | 1600 | 900 | 250 |
| Embodiment 3 | 2200 | 2000 | 1900 | 1500 | 700 | 200 |
As shown in Table 1, the essence of described microcapsule is relatively big in the burst size of early stage, and the burst size in later stage tends to be steady, but burst size does not has particularly apparent minimizing, can reach the using effect of more than 5 years.
Table two: the film bacteriostasis property (%) to staphylococcus aureus:
| The storage time | 1 month | 3 months | 6 months | 1 year | 3 years | 5 years |
| Embodiment 1 | 99 | 99 | 99 | 99 | 98 | 95 |
| Embodiment 2 | 92 | 92 | 92 | 92 | 92 | 87 |
| Embodiment 3 | 90 | 90 | 90 | 90 | 90 | 82 |
| Embodiment 4 | 88 | 88 | 88 | 88 | 88 | 83 |
| Embodiment 5 | 99 | 99 | 99 | 99 | 98 | 95 |
| Embodiment 6 | 99 | 99 | 99 | 99 | 98 | 95 |
Table three: the film bacteriostasis property (%) to Candida albicans:
| The storage time | 1 month | 3 months | 6 months | 1 year | 3 years | 5 years |
| Embodiment 1 | 99 | 99 | 99 | 99 | 93 | 85 |
| Embodiment 2 | 94 | 94 | 94 | 94 | 88 | 80 |
| Embodiment 3 | 93 | 93 | 93 | 93 | 90 | 81 |
| Embodiment 4 | 86 | 86 | 86 | 86 | 85 | 82 |
| Embodiment 5 | 99 | 99 | 99 | 99 | 95 | 87 |
| Embodiment 6 | 99 | 99 | 99 | 99 | 93 | 85 |
From table two and table three, described microcapsule is the best to the fungistatic effect of staphylococcus aureus and Candida albicans, even if after using 5 years, still having preferable fungistatic effect.And the mixture ratio that described flowers and plants are lavandula angustifolia, Flos Lilii viriduli and Flos Jasmini Sambac is individually added into a kind of flowers and plants antibacterial effect and substantially strengthens.
It is below comparative example
Comparative example 1:
Being removed by nanoscale calcined shell powder in embodiment 1, other condition is constant, tests:
Table four: the essence content (mg/m of film2):
| The storage time | 1 month | 3 months | 6 months | 1 year | 3 years | 5 years |
| Embodiment 1 | 2500 | 2300 | 2000 | 1500 | 800 | 200 |
| Comparative example 1 | 2500 | 2000 | 1500 | 600 | 0 | 0 |
Table five: the film bacteriostasis property (%) to staphylococcus aureus:
| The storage time | 1 month | 3 months | 6 months | 1 year | 3 years | 5 years |
| Embodiment 1 | 99 | 99 | 99 | 99 | 98 | 95 |
| Comparative example 1 | 85 | 83 | 80 | 75 | 25 | 25 |
From test data, being added without conch meal, the sustained release performance of microcapsule is substantially reduced, and the anti-microbial property of film also can substantially reduce.
Comparative example 2:
Being removed by essence in embodiment 1, other condition is constant, tests:
Table six: the film bacteriostasis property (%) to staphylococcus aureus:
| The storage time | 1 month | 3 months | 6 months | 1 year | 3 years | 5 years |
| Embodiment 1 | 99 | 99 | 99 | 99 | 98 | 95 |
| Comparative example 2 | 70 | 70 | 70 | 65 | 62 | 62 |
From test data, being added without essence, the anti-microbial property of film also can substantially reduce.
Integrated embodiment 1, the test data of comparative example 1 and 2 understand, and add conch meal and essence ratio and are individually added into conch meal and are individually added into the antibacterial of essence and durable antibiotic effect is all the most a lot.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; according to technical scheme and inventive concept equivalent or change in addition thereof, all should contain within protection scope of the present invention.
Claims (7)
1. the preparation method of a microcapsule with fragrance slow-release function, it is characterised in that comprise the following steps:
Prepared by A, emulsion: weigh the gelatin of certain mass and arabic gum in beaker, it is separately added into a certain amount of distilled water, it is made fully to dissolve in 40 DEG C of water-baths, then by both solution mix homogeneously, add nanoscale calcined shell powder, by high speed dispersor high speed dispersion 2-3min under conditions of 3000-5000rpm, add a certain amount of tranquilizing by nourishing the heart function essence, under conditions of 10000-12000rpm, continue emulsifying 5-8min, form uniform emulsion；
B, complex coacervation: use regulation pH value method；To pour into after emulsion in there-necked flask, add distilled water diluting to required concentration, 40 DEG C of stirrings and drip 10% acetum, regulation system pH is to 3.5-4.0, making gelatin produce cohesion with arabic gum, constant temperature 15-20min, condensed phase is assembled around oiliness capsule-core and forms cladding；
C, solidification: ice-water bath makes system be cooled to 10-15 DEG C, and with 10% sodium hydroxide solution regulate pH be 5.8-6.2, add glutamine transaminage, maintain stirring at low speed, make microcapsule solidify, obtain micro-capsule dispersion liquid；
D, be dried: by micro-capsule dispersion liquid static layering, remove supernatant, sucking filtration, wash on a small quantity, obtain wet capsule, then through drying under reduced pressure or lyophilization, solid-state microcapsule；Or directly it is spray-dried after removing appropriate supernatant, the powder microcapsule of solid-state mobility can be obtained.
There is the preparation method of the microcapsule of fragrance slow-release function the most as claimed in claim 1, it is characterised in that the preparation method of described tranquilizing by nourishing the heart function essence, comprise the following steps:
A, plant mixture and distilled water being added in flask, the quality of distilled water is 20-30 times of plant mixture quality；
B, it is heated to 35-40 DEG C, and distillation of reducing pressure, collect distillate；
C, gained distillate is filtered and concentrated to original volume 1/10th after obtain described tranquilizing by nourishing the heart function essence.
There is the preparation method of the microcapsule of fragrance slow-release function the most as claimed in claim 2, it is characterised in that described plant mixture comprises tilia europaea and a kind of flowers and plants or two or more flowers and plants mixture.
There is the preparation method of the microcapsule of fragrance slow-release function the most as claimed in claim 2, it is characterised in that described plant mixture is by weight percentage, tilia europaea 68%, lavandula angustifolia 10%, Flos Lilii viriduli 10% and the mixture of Flos Jasmini Sambac 12%.
There is the preparation method of the microcapsule of fragrance slow-release function the most as claimed in claim 2, it is characterized in that, the preparation method of described plant mixture is: tilia europaea mixed homogeneously with flowers and plants, pile flowers and plants heap, after flowers and plants heap is placed in the low temperature environment of 0-5 DEG C cooling 2-3h, pulverizes with pulverizer, ambient temperature is gradually heating to 10 DEG C with the speed of 1 DEG C/h, collect and pulverize sample, standby.
There is the preparation method of the microcapsule of fragrance slow-release function the most as claimed in claim 3, it is characterised in that described flowers and plants are lavandula angustifolia or Flos Lilii viriduli or Flos Jasmini Sambac.
7. a microcapsule with fragrance slow-release function, it is characterised in that be applied to interior wall coating.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106720684A (en) * | 2016-12-20 | 2017-05-31 | 长兴众化生物科技有限公司 | A kind of preparation method of Luzhou-flavor hair peak jasmine instant tea |
| CN106819241A (en) * | 2016-12-20 | 2017-06-13 | 长兴众化生物科技有限公司 | A kind of preparation method of Luzhou-flavor hair peak jasmine tea bag |
| CN107811262A (en) * | 2017-12-06 | 2018-03-20 | 宁夏红山河食品股份有限公司 | A kind of preparation method and application of bioactivity barbecue sauce |
| CN107865377A (en) * | 2017-12-06 | 2018-04-03 | 宁夏红山河食品股份有限公司 | A kind of microcapsules barbecue sauce and preparation method and application |
| CN111040214A (en) * | 2019-12-16 | 2020-04-21 | 南通吉美装饰材料有限公司 | Preparation method of microcapsule PVC film based on lasting fragrance |
| CN111117104A (en) * | 2019-12-23 | 2020-05-08 | 南通吉美装饰材料有限公司 | Preparation method of antibacterial microcapsule PVC film based on efficient ecological environment protection |
| CN113278471A (en) * | 2021-06-01 | 2021-08-20 | 天津农学院 | Shell powder microcapsule for cleaning and sterilizing fruits and vegetables and preparation method thereof |
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| CN101708451A (en) * | 2009-12-25 | 2010-05-19 | 陕西科技大学 | Method for preparing high-temperature resistant essence microcapsules |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106720684A (en) * | 2016-12-20 | 2017-05-31 | 长兴众化生物科技有限公司 | A kind of preparation method of Luzhou-flavor hair peak jasmine instant tea |
| CN106819241A (en) * | 2016-12-20 | 2017-06-13 | 长兴众化生物科技有限公司 | A kind of preparation method of Luzhou-flavor hair peak jasmine tea bag |
| CN107811262A (en) * | 2017-12-06 | 2018-03-20 | 宁夏红山河食品股份有限公司 | A kind of preparation method and application of bioactivity barbecue sauce |
| CN107865377A (en) * | 2017-12-06 | 2018-04-03 | 宁夏红山河食品股份有限公司 | A kind of microcapsules barbecue sauce and preparation method and application |
| CN111040214A (en) * | 2019-12-16 | 2020-04-21 | 南通吉美装饰材料有限公司 | Preparation method of microcapsule PVC film based on lasting fragrance |
| CN111117104A (en) * | 2019-12-23 | 2020-05-08 | 南通吉美装饰材料有限公司 | Preparation method of antibacterial microcapsule PVC film based on efficient ecological environment protection |
| CN113278471A (en) * | 2021-06-01 | 2021-08-20 | 天津农学院 | Shell powder microcapsule for cleaning and sterilizing fruits and vegetables and preparation method thereof |
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Application publication date: 20161012 |