CN209493544U - A kind of detergent use fungicide microcapsules - Google Patents
A kind of detergent use fungicide microcapsules Download PDFInfo
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- CN209493544U CN209493544U CN201821841713.0U CN201821841713U CN209493544U CN 209493544 U CN209493544 U CN 209493544U CN 201821841713 U CN201821841713 U CN 201821841713U CN 209493544 U CN209493544 U CN 209493544U
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- microcapsules
- fungicide
- cyst membrane
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Abstract
The utility model embodiment discloses a kind of detergent use fungicide microcapsules, to the bactericidal activity for solving the problems, such as to be difficult to keep cationic surfactant in existing detergent.The technical solution of the utility model embodiment proposes to apply microcapsules technology in detergent; cationic surfactant is protected by microcapsule structure; make it when forming detergent product; with anionic surfactant or the auxiliary agent with anionic group is isolated; keep its bactericidal activity; meanwhile not influencing the optimal proportion of formula components.
Description
Technical field
The utility model relates to microcapsules technology fields, and in particular to a kind of detergent use fungicide microcapsules.
Background technique
Currently, detergent is such as concentrated liquid detergent, washing powder, has done washing solidifying pearl, the various washing cleaning supplies of dish detergent
It is widely used in people's daily life, the usual main component of these detergent is various surfactants, packet
The multiple types surfactant such as cation, anion, nonionic and amphoteric ion is included, the effective washing cleaning products of one kind are
It is aided with auxiliary agent reasonable compatibility by a variety of different types of surfactants to form.If washing cleaning products embodies good sterilization
Bacteria resistance function, some cationic surfactants are optimal selections, if however, cationic surfactant is not becomed privileged
Processing, with other compositions compound tense, especially with anionic surfactant compound tense, will reduce or lose sterilization and it is antibacterial
Function.
For cationic surfactant, traditional method is that have the component ratio of antagonism to protect by adjusting with it
Hold its function, such as improve cation content reduce anion content, but this ratio be extremely difficult to it is optimal --- or
It is undesirable to there is bactericidal effect, or certain washing effect indexs occur to reduce, this is an insoluble problem.
In the prior art, cationic surfactant is solved without ideal technical solution in storage and use process
The problem of keeping bactericidal activity.
Utility model content
The utility model embodiment is designed to provide a kind of detergent use fungicide microcapsules, to solve existing wash
The problem of washing the bactericidal activity that cationic surfactant is difficult to keep in agent.The technical solution of the utility model embodiment proposes
Microcapsules technology is applied in detergent, cationic surfactant is protected by microcapsule structure, washs it in composition
When agent product, with anionic surfactant or the auxiliary agent with anionic group is isolated, and keeps its bactericidal activity, meanwhile, no
Influence the optimal proportion of formula components.
To achieve the above object, the utility model embodiment provides a kind of detergent use fungicide microcapsules, the sterilization
Agent microcapsules include the fungicide as capsule-core and the high molecular material as cyst membrane, and the cyst membrane coats the capsule-core, wherein
The cyst membrane is double-layer structure, the outer layer cyst membrane including internal layer cyst membrane and cladding internal layer cyst membrane, the internal layer capsule contacted with fungicide
Film is polyethylene glycol, and outer layer cyst membrane is polyvinyl alcohol.
The number-average molecular weight of polyethylene glycol used in the utility model embodiment is 4000-10000, and preferably number is equal
Molecular weight is 8000.
The time that polyglycol microcapsule rupture releases cationic surfactant should control in machine washing program
In proper time period, such as 15-20 minutes after washing.When the number-average molecular weight of polyethylene glycol is less than 4000, the microcapsules of formation
Dissolving speed is very fast, and in washing, the time that microcapsules release cationic surfactant is too fast, is, for example, less than 10 minutes
When discharged and finished, other compositions will function, and reduce decontamination and bactericidal effect；When the number-average molecular weight of polyethylene glycol is greater than
When 10000, the time that microcapsules release cationic surfactant is excessively slow, is greater than 20 minutes, partially or completely micro-
Encapsulated surfactant may be lost with rinsing, not have bactericidal effect.
In one embodiment, weight percent of the polyethylene glycol in microcapsules is 10-80%, preferred weight hundred
Divide than being 25-50%.
In the fungicide microcapsules of the utility model embodiment, polyvinyl alcohol is killed as secondary covering material to improve
Dispersibility and water solubility of the microbial inoculum microcapsules in detergent carry out two with polyvinyl alcohol after polyglycol microcapsule is made
Secondary cladding.
Further, the degree of polymerization of selected polyvinyl alcohol be 500-2000, preferably 1700；Alcoholysis degree is 86%-
92%, preferably 88%.
In one embodiment, weight percent of the polyvinyl alcohol in microcapsules is 10-80%, preferred weight hundred
Divide than being 20-40%.
Internal layer cyst membrane and outer layer cyst membrane proposed in the utility model embodiment can also be added with auxiliary agent, the auxiliary agent
Including thickener, adhesive and plasticizer.The i.e. described cyst membrane can be with other a variety of auxiliary agents such as water soluble polymers at membrane material
Material is used in conjunction with, and has required characteristic to make microcapsules preferably.
In one embodiment, the thickener includes dextrin and oxidized starch.As an embodiment, thickener
Weight percent in microcapsules is 0-10%, and preferred weight percent is 1-5%.
In one embodiment, described adhesive includes sodium alginate.As an embodiment, adhesive is in micro- glue
Weight percent in capsule is 0-10%, and preferred weight percent is 1-5%.
In one embodiment, the plasticizer includes glycerol and olein.As an embodiment, plasticising
Weight percent of the agent in microcapsules is 0-8%, and preferred weight percent is 1-3%.
Further, the fungicide is cationic surfactant.Suitable cationic surfactant includes chlorination
Methyl (C11-19 alkyl) ammonium, bromination dodecyl trimethyl ammonium and/or bromination dodecyl dimethyl hexadecyldimethyl benzyl ammonium etc., preferably bromine
Change dodecyl trimethyl ammonium.Weight percent of the fungicide in microcapsules is 1-50%, preferred weight percent
For 10-40%.
In one embodiment, the fungicide is bromination dodecyl trimethyl ammonium and bromination dodecyl dimethyl
Hexadecyldimethyl benzyl ammonium is used in combination, and weight percent content of the two in fungicide is 20-80%.The two combination can kill nearly three
More than ten disinfect pathogens select both fungicide, expand bactericidal range, improve bactericidal effect, and it is effective to extend sterilization
Time.
Poly- second as a preferred embodiment, in the fungicide microcapsules of the utility model, as internal layer cyst membrane
Glycol is 25-50 weight %, and the polyvinyl alcohol as outer layer cyst membrane is 20-40 weight %；Auxiliary agent includes that thickener is heavy for 1-5
% is measured, adhesive is 1-5 weight %, and plasticizer is 1-3 weight %；Cationic surfactant as fungicide is 10-40
Weight %.
Further, the size of the detergent use fungicide microcapsules can be the same as the ruler of ingredient granules other in detergent
It is very little to match.In one embodiment, the fungicide microcapsules cross 400 meshes, perhaps 800 meshes excessively or excessively 1000
Mesh, or cross 2000 meshes.
The utility model embodiment additionally provides the preparation method of the detergent use fungicide microcapsules, the preparation side
Method includes that W/O/W (water phase/organic phase/water phase) type microcapsule structure is formed by multiple emulsion encapsulation.
Specifically, the preparation method includes the following steps:
(1) aqueous solution is made in fungicide cationic surfactant first, forms water phase；Polyethylene glycol is melted, is added
Enter thickener, plasticizer, forms organic phase；
(2) it by Aqueous dispersions in organic phase, stirs evenly, forms w/o type emulsion；Using the thermoplasticity of polyethylene glycol,
By cooling, solidify, crush, realizes and coat for the first time, form w/o type microcapsules；
(3) it uses poly-vinyl alcohol solution as water phase, thickener, plasticizer, adhesive is added, is fabricated to certain viscosity
Continuous aqueous phase；
(4) the w/o type microcapsules of step (2) are added in the continuous aqueous phase of step (3), are uniformly dispersed, form W/O/W type
Emulsion；Evaporation of solvent dry, pulverize, and realizes second and coats, obtains W/O/W type microcapsules.
By above-mentioned process, two layers of microcapsule structure is formed.
This two layers of microcapsule structure ensure that fungicide is stabilized in detergent.Polyvinyl alcohol forms the microcapsules
Outermost cyst membrane, polyvinyl alcohol are almost not dissolved in all organic solvents, stablize in surfactant, the cyst membrane of formation
Content is effectively isolated with the other compositions in detergent.
When detergent in use, due to a large amount of water presence, the dissolution of polyvinyl alcohol cyst membrane, micro- glue that second cladding is formed
Capsule is broken, release that cladding for the first time formed using polyethylene glycol as the microcapsules of cyst membrane, this process for example, about 3-5 minutes.
Then by stirring, rubbing, squeeze, the time that fungicide discharges in water e.g., about 15-20 minutes, and at this moment, other can
The ingredient that can be reacted with fungicide or with sewage discharge falls or in conjunction with dirt.Under these conditions, fungicide can fill
Its biocidal efficacies is waved in distribution.
In one embodiment, the preparation method of the detergent use fungicide microcapsules of the utility model embodiment includes
The following steps:
(1) it stocks up by following content ranges: PEG 8000 25-50 weight %, oxidized starch 1-5 weight %, bromination
Dodecyl trimethyl ammonium 10-40 weight %, olein 1-3 weight %, polyvinyl alcohol 20-40 weight %, dextrin 1-5 weight
Measure %, sodium alginate 1-5 weight %, glycerol 1-3 weight %；
(2) by PEG 8000, water-bath heating and melting, addition oxidized starch and olein, stirring are equal under 70 degree
It is even；
(3) bromination dodecyl trimethyl ammonium aqueous solution is added, is stirred 10 minutes under 70 degree, it is cooling after being uniformly dispersed,
When temperature is down to 30 degree, it is in gel state, stops stirring, pour out cooling, completely after solidification, is crushed to the powdery of 2000 mesh, one
Secondary encapsulation is completed；
(4) polyvinyl alcohol is dissolved in water under 90 degree, sodium alginate is added, dissolution is added dextrin and is uniformly dispersed, adds
Enter glycerol, it is cooling；
(5) microscapsule powder is added in manufactured poly-vinyl alcohol solution, is dispersed with stirring uniformly, heating, drying is broken
It is broken to the powdery of 2000 mesh, secondary encapsulation is completed.
The utility model embodiment has the advantages that
1, the utility model embodiment proposes to make the fungicide in detergent product using preceding same by microcapsules technology
Other ingredients are isolated, such that detergent has good sterilizing function, and excellent effect.
2, the microencapsulation material that the utility model embodiment uses overcomes the defect of prior art, applied micro- glue
Capsule material has good covering property, and can be used in combination with many high molecular materials, so that involved by the utility model
Microcapsules fungicide can widely, be conveniently used in a variety of detergent products.
Detailed description of the invention
Fig. 1 is the structure and its forming process for the detergent use fungicide microcapsules that the utility model embodiment 1 provides
Schematic diagram.
Wherein appended drawing reference are as follows:
1, fungicide water phase (W)；2, polyethylene glycol organic phase (O)；3, polyvinyl alcohol water phase (W).
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the utility model enforceable restriction item so that those skilled in the art understands and reads
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing
Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model
In the range of Rong get Neng is covered.Meanwhile cited such as "upper", "lower", " left side ", the right side in this specification ", the use of " centre "
Language is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or
Adjustment, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
Embodiment 1
As shown in Figure 1, it is shown that the structure of fungicide microcapsules and its formed in one embodiment of the utility model
The schematic diagram of journey.Schematic illustration is as follows: fungicide aqueous solution being formed water phase (W) 1 first, is then dispersed in water phase (W) 1 poly-
In ethylene glycol organic phase (O) 2, w/o type emulsion is formed, w/o type microcapsules are formed by processing；Then made with poly-vinyl alcohol solution
W/O/W type emulsion wherein by w/o type microcapsules dispersion before is formed for water phase (W) 3, forms W/O/ using subsequent processing
W type fungicide microcapsules.
Embodiment 2
48 grams of polyethylene glycol water-baths, 70 degree of heating and meltings are taken, 5 grams of oxidized starch disperse wherein, 35 grams of bromination dodecyls three
Methyl ammonium is dissolved in 40 grams of water, is dispersed in the polyethylene glycol of thawing, is stirred evenly, and it is equal that 3 grams of olein stirrings are added
It is even, 30 degree are cooled to, is poured out, continues to be cooled to solid, is crushed to 2000 mesh partial sizes, for use.
It takes in 40 grams of polyvinyl alcohol, 1788,90 degree of 200 grams of water and dissolves, 5 grams of sodium alginate dissolutions are added, 5 grams of ring pastes are added
Essence is uniformly dispersed, and 3 grams of glycerol are added and stir evenly, it is stand-by to be fabricated to the hydrosol.
Powder made of polyethylene glycol is added in the polyvinyl alcohol hydrosol, mixed at high speed is uniform, and 100 degree of temperature are dried
It is dry, 2000 mesh powder are ground into get the microcapsules fungicide of secondary cladding is arrived.
Embodiment 3
43 grams of polyethylene glycol water-baths, 70 degree of heating and meltings are taken, 5 grams of oxidized starch disperse wherein, 40 grams of bromination dodecyls three
Methyl ammonium is dissolved in 40 grams of water, is dispersed in the polyethylene glycol of thawing, is stirred evenly, and it is equal that 3 grams of olein stirrings are added
It is even, 30 degree are cooled to, is poured out, continues to be cooled to solid, is crushed to 2000 mesh partial sizes, for use.
It takes in 40 grams of polyvinyl alcohol, 1788,90 degree of 200 grams of water and dissolves, 5 grams of cyclodextrin are added and are uniformly dispersed, 3 grams of addition is sweet
Oil stirs evenly, and it is stand-by to be fabricated to the hydrosol.
Powder made of polyethylene glycol is added in the polyvinyl alcohol hydrosol, mixed at high speed is uniform, and 100 degree of temperature are dried
It is dry, 2000 mesh powder are ground into get the microcapsules fungicide of secondary cladding is arrived.
Embodiment 4
50 grams of polyethylene glycol water-baths, 70 degree of heating and meltings are taken, 5 grams of oxidized starch disperse wherein, 30 grams of bromination dodecyls three
Methyl ammonium and 10 grams of bromination dodecyl dimethyl hexadecyldimethyl benzyl ammoniums are dissolved in 40 grams of water, are then dispersed in the polyethylene glycol of thawing
In, it stirs evenly, 3 grams of oleins is added and stir evenly, is cooled to 30 degree, pours out, continue to be cooled to solid, be crushed to
2000 mesh partial sizes, for use.
It takes in 37 grams of polyvinyl alcohol, 1788,90 degree of 200 grams of water and dissolves, 5 grams of sodium alginate dissolutions are added, 5 grams of ring pastes are added
Essence is uniformly dispersed, and 3 grams of glycerol are added and stir evenly, it is stand-by to be fabricated to the hydrosol.
Powder made of polyethylene glycol is added in the polyvinyl alcohol hydrosol, mixed at high speed is uniform, and 100 degree of temperature are dried
It is dry, 2000 mesh powder are ground into get the microcapsules fungicide of secondary cladding is arrived.
Bactericidal effect test
The test of bactericidal effect is carried out to microcapsules fungicide made by embodiment 2,3,4: test micro- glue obtained
Capsule fungicide to Escherichia coli, staphylococcus aureus, Candida albicans quantitative sterilization ability, test report is as follows.
One, equipment
1, test strain: the 7th generation of Escherichia coli (8099), the 7th generation of staphylococcus aureus (ATCC 6538), white are read
The 6th generation of pearl bacterium (ATCC 10231), preventive medicine academy of sciences Disinfection examination center provide.
2, disinfectant ingredient: microcapsules fungicide.
3, neutralizer ingredient: 0.2 weight % lecithin, 2.0 weight % twen-80s, 0.1 weight % sodium thiosulfate
PBS solution.
4, this experiment uses support methods.
Two, method
5, test basis: the Ministry of Public Health 2003 editions " disinfection technology standard "
6, disinfectant is prepared:
A, microcapsules fungicide is a, 0.9 gram of weight, is dissolved in the solution that 0.3 weight % is made in 300 grams of 20 degree of water；
B, the above solution for later use.
7, sterilization test: 20 degree of test temperature, disinfectant test is 0.3 weight %'s using the content of microcapsules fungicide
Medical fluid, test are repeated 3 times.
8, bacteria suspension, carrier-pellet preparation, viable bacteria culture, which count, respectively refers to the Ministry of Public Health 1999 " disinfection technology standard " (the
Three editions) the first fascicle 22.
Three, result
Test is repeated 3 times under the conditions of 20 degree of temperature, and test result shows containing for experiment disinfectant microcapsules fungicide
Amount is solution effects 1 minute of 0.3 weight %, is reached to the killing rate of Escherichia coli, staphylococcus aureus, Candida albicans
99.90%；
Test result shows microcapsules fungicide when solution concentration is 0.3 weight %, to Escherichia coli, golden yellow Portugal
Grape coccus, Candida albicans have preferable killing effect.
To sum up, the sterilizing ability of microcapsules fungicide made by embodiment 2,3,4 can reach " disinfection technology standard "
Requirement, especially have to Escherichia coli, staphylococcus aureus, Candida albicans killing effect.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (3)
1. a kind of detergent use fungicide microcapsules, which is characterized in that the fungicide microcapsules include the sterilization as capsule-core
Agent and high molecular material as cyst membrane, the cyst membrane coat the capsule-core, wherein the cyst membrane is double-layer structure, including interior
The outer layer cyst membrane of layer cyst membrane and cladding internal layer cyst membrane, the internal layer cyst membrane contacted with fungicide are polyethylene glycol, and outer layer cyst membrane is poly-
Vinyl alcohol.
2. microcapsules according to claim 1, which is characterized in that the number-average molecular weight of polyethylene glycol is 4000-10000；
The degree of polymerization of polyvinyl alcohol is 500-2000, alcoholysis degree 86%-92%.
3. microcapsules according to claim 1, which is characterized in that the fungicide is cationic surfactant, described
Cationic surfactant is methyl chloride alkylammonium, bromination dodecyl trimethyl ammonium or bromination dodecyl dimethyl benzyl
Ammonium；Alkyl in the methyl chloride alkylammonium is selected from C11-19.
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| CN201821841713.0U CN209493544U (en) | 2018-11-08 | 2018-11-08 | A kind of detergent use fungicide microcapsules |
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| CN201821841713.0U CN209493544U (en) | 2018-11-08 | 2018-11-08 | A kind of detergent use fungicide microcapsules |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111436426A (en) * | 2020-05-11 | 2020-07-24 | 北京首创股份有限公司 | Secondary chlorination capsule for water delivery of water supply pipeline and preparation method thereof |
| CN114981397A (en) * | 2020-06-01 | 2022-08-30 | 宝洁公司 | Water soluble unit dose articles |
-
2018
- 2018-11-08 CN CN201821841713.0U patent/CN209493544U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111436426A (en) * | 2020-05-11 | 2020-07-24 | 北京首创股份有限公司 | Secondary chlorination capsule for water delivery of water supply pipeline and preparation method thereof |
| CN111436426B (en) * | 2020-05-11 | 2022-04-08 | 北京首创股份有限公司 | Secondary chlorination capsule for water delivery of water supply pipeline and preparation method thereof |
| CN114981397A (en) * | 2020-06-01 | 2022-08-30 | 宝洁公司 | Water soluble unit dose articles |
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