CN106039361A - Air freshener and preparation method thereof - Google Patents
Air freshener and preparation method thereof Download PDFInfo
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- CN106039361A CN106039361A CN201610502474.5A CN201610502474A CN106039361A CN 106039361 A CN106039361 A CN 106039361A CN 201610502474 A CN201610502474 A CN 201610502474A CN 106039361 A CN106039361 A CN 106039361A
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- air freshener
- phase solution
- gel
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- linking agent
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/21—Use of chemical compounds for treating air or the like
Abstract
The invention relates to an air freshener and a preparation method thereof. The air freshener is prepared from the following components as raw materials by weight percent: 0.4%-6% of cross-linking agents, 0.5%-10% of gel, 1%-15% of solubilizers, 0.1%-15% of cosolvents, 0.05%-0.5% of preservatives, 0.5%-6% of flavor and fragrance and the balance of water. The air freshener provided by the invention is a gel solid with penetrating appearance, has good high temperature stability and excellent colloid elasticity, can slowly release, can have long-lasting fragrance and can please mind and body.
Description
Technical field
The present invention relates to daily chemical product field, particularly relate to a kind of air freshener and preparation method thereof.
Background technology
In recent years, along with improving constantly of China's lives of the people level, healthy and domestic environment are the most more come by people
More pay attention to.Air quality has become as the another focus of attention after food safety.Keep the clean of air and environment with
Pure and fresh, it is everyone hope.Have pure and fresh air, the fatigue of one day can be eliminated, lax nervous body and mind, it is of value to
Human body is physically and mentally healthy.At present from form, mainly there are liquid type, aerosol and gel at the air freshener sold the most on the market
Type.The most most common and practical is gel-type, can slowly discharge the abnormal smells from the patient of fragrance, easy to use.At present in China
On market, air freshener Market competition.A lot of consumers use air freshener to be not simply as a kind of fragrance
Agent, the most more focuses on product global design and outward appearance, and air freshener can have fragrance and decorative beauty concurrently as a kind of ornament
See.Therefore, the exploitation of air freshener new product also will increasingly consider different consumer demand.
Prior art discloses a kind of long effective air freshener, which employs hydroexpansivity resin and long-acting gel system
For obtaining gel type air freshener, spice obtains and slowly discharges.But still with spice as fragrance ingredient, add simultaneously
Having the auxiliary agents such as virose ethylene glycol, its safety needs to be investigated.Along with the living standard of people is more and more higher, product is wanted
Ask more and more higher.Therefore, a excellent air freshener not only possesses purification air, pleasant mental and body, but also want safety,
Have no side effect, store and easy to use, have certain aesthetics and decoration performance.Prior art discloses a kind of gel
Air freshener, this invention relates to air freshener goods substantially rigid, clear gel substrate.It uses gelinite tree
Glue, polysaccharide transparent matrix material and gelatin, NPE class surfactant carries out solubilising.It is used alone gelatin
Although under low temperature state can with gel, but gel is the most unstable at high operating temperatures, therefore its practical application effect
Not quite.And NPE class surfactant presently, there are the regulation technology requirements such as environmental protection, applies at air clear
There is certain regulation risk in new agent.Having the air freshener that prior art discloses a kind of compound adhesive and prepared by it, it is adopted
Compound with low-acyl gellan gum and carrageenan, be prepared for the gel air fresher of a kind of high grade of transparency and heat stability, fragrance
Emission capabilities is strong, stable under thermal environment, will not melt and bleed.Low-acyl gellan gum, in hydrophilic colloid, has higher saturating
Light rate, but its gel needs ion induction, and kind and the addition of ion have material impact to its transparency.And
And, the gellan gum that light transmittance is higher, light transmittance, generally about 80%, needs to improve its transparency further and has been technically one
Fixed difficulty.
In summary it can be seen, air freshener a kind of aromatic product, more beautiful appearance attribute can
To give the added value outside turnout.A kind of solid air freshening agent with outward appearance of oozing can have fragrance and beautiful decoration concurrently
Function, meets different consumer demand.
Summary of the invention
Based on this, it is necessary to for the problems referred to above, it is provided that a kind of air freshener and preparation method thereof.The present invention is by spy
Determine the isobutyiene-maieic anhydride alternate copolymer with amide segment and the aminosal gel-type vehicle gelatin of molecular weight ranges
Crosslinked action, overcome and be used alone gelatin and there is the shortcoming of non-refractory, outside the air freshener of preparation is for having and oozing
The gel solids seen, not only provides fragrant atmosphere to experience, pleasant mental and body, and outward appearance is glittering and translucent, and high-temperature stability is good, it is also possible to
Become home decoration products.
For realizing above-mentioned technical purpose, concrete technical scheme is as follows:
A kind of air freshener, by mass percentage, is prepared from by the raw material including following components:
The cross-linking agent of 0.4%～6%, the gel of 0.5%～10%, the solubilizing agent of 1%～15%, 0.1%～15%
Cosolvent, the preservative of 0.05%～0.5%, the essence of 0.5%～6%, surplus is water；
Described cross-linking agent be number-average molecular weight be the isobutyiene-maieic anhydride with amide segment of 120000～250000
Alternate copolymer；Described gel be isoelectric point, IP be the aminosal gel-type vehicle gelatin of 4～7；Described solubilizing agent is a kind of
Or more than one nonionic surfactant；A kind of polyol solvent of described cosolvent.
Wherein in some embodiments, by mass percentage, the raw material including following components it is prepared from:
The cross-linking agent of 0.5%～2%, the gel of 1%～4%, the solubilizing agent of 2%～8%, the hydrotropy of 3%～14%
Agent, the preservative of 0.08%～0.2%, the essence of 3%～5%, surplus is water.
Wherein in some embodiments, by mass percentage, the raw material including following components it is prepared from:
The cross-linking agent of 1%～1.5%, the gel of 2%～3%, the solubilizing agent of 5%～7%, the hydrotropy of 13%～14%
Agent, the preservative of 0.09%～0.11%, the essence of 3%～3.5%, surplus is water.
Described solubilizing agent is sodium laurylsulfate, sorbitan fatty acid ester, polyoxyethylene hydrogenated Oleum Ricini, fatty alcohol
Any one of polyoxyethylene ether, sorbitan fatty acid ester polyoxyethylene ether or more than one mixture.
Preservative in the present invention is preferably in sodium benzoate, methyl hydroxybenzoate, phenoxyethanol and isothiazolone
A kind of.Essence odor type of the present invention can comprise jasmine fragrance, osmanthus flower fragrant, green tea odor type, rose scent, Garden lavender odor type, Bulbus Lilii
Odor type, orchid odor type and lemon flavor, and the odor type such as Fructus Citri Limoniae tea tree ethereal oil, Flos Rosae Rugosae quintessence oil and Herba Lysimachiae foenum-graeci quintessence oil.
Wherein in some embodiments, the number-average molecular weight of described cross-linking agent is 150000～180000.
Wherein in some embodiments, the number-average molecular weight of described cross-linking agent is 160000～170000.
Wherein in some embodiments, described solubilizing agent is polyoxyethylene hydrogenated Oleum Ricini, fatty alcohol-polyoxyethylene ether, mistake
One or more mixture in water Span, sorbitan fatty acid ester polyoxyethylene ether.
Wherein in some embodiments, described solubilizing agent is polyoxyethylene hydrogenated Oleum Ricini and/or aliphatic alcohol polyethenoxy
Ether.
Wherein in some embodiments, described cosolvent is one or more mixing in ethanol, propylene glycol, glycerol
Thing.
The present invention also provides for the above-mentioned preparation method with air freshener, comprises the following steps:
(1) preparation of A phase solution: first described gel is stirred well in the suitable quantity of water of 70～75 DEG C transparent molten
Liquid, is then cooled to 35～45 DEG C, and insulated and stirred obtains A phase solution；
(2) preparation of B phase solution: stirred to clear solution in the remaining water of room temperature by described cross-linking agent, obtains B and mixes
Liquid；
(3) preparation of C phase solution: by described solubilizing agent, cosolvent, essence mixing, stirring, to transparency liquid, obtains C and mixes
Liquid；
(4) three-phase mixing: first described C phase solution is added in described A phase solution, stir, be maintained at 35～45 DEG C,
Then add described B phase solution, preservative, stir；
(5) discharging, is placed in 0～18 DEG C of environment and is cooled to solid, to obtain final product.
Above-mentioned steps is the scheme that preferably feeds intake of the present invention, the invention is not restricted to above-mentioned feeding sequence.
Air freshener of the present invention has such advantages as compared to prior art and beneficial effect:
1) present invention isobutyiene-maieic anhydride alternating copolymerization with amide segment by preferred specific molecular weight range
Thing is as the crosslinked action of cross-linking agent Yu specific aminosal gel-type vehicle gelatin, and the air freshener obtained oozes for having
The gel solids of outward appearance, excellent transparency thoroughly, its light transmittance can reach more than 95%, and outward appearance is glittering and translucent, has well
Aesthetics.
2) air freshener prepared by the present invention, has good high-temperature stability, by persistently tolerating high temperature 50 DEG C
30 days period measurings, colloid good springiness, slowly discharge, can be fragrant for a long time, pleasant mental and body.
Detailed description of the invention
Below by way of concrete preferred embodiment, the air freshener of the present invention is described in further detail, but the present invention
It is not limited in below example.
Raw materials used in the embodiment of the present invention it is commercially available mill run.
In the embodiment of the present invention essence odor type used can comprise jasmine fragrance, osmanthus flower fragrant, green tea odor type, rose scent,
Garden lavender odor type, Bulbus Lilii odor type, orchid odor type and lemon flavor, and Fructus Citri Limoniae tea tree ethereal oil, Flos Rosae Rugosae quintessence oil and Herba Lysimachiae foenum-graeci quintessence oil
Deng odor type.
Embodiment 1～3
According to table 1 formulation content, preparing the air freshener of embodiment 1～3 respectively, its preparation method includes following step
Rapid:
(1) preparation of A phase solution: first by aminosal gel-type vehicle gelatin in the appropriate amount of deionized water of 70～75 DEG C
It is stirred well to clear solution, is then cooled to 35～45 DEG C, insulated and stirred, obtain A phase solution；
(2) preparation of B phase solution: will have isobutyiene-maieic anhydride alternate copolymer the remaining at room temperature of amide segment
Remaining deionized water stirs, to clear solution, obtains B phase solution；
(3) preparation of C phase solution: essence, polyoxyethylene hydrogenated Oleum Ricini and ethanol are mixed, stirs to transparency liquid,
Obtain C phase solution；
(4) three-phase mixing: first C phase solution is added in A phase solution, stir；Measure temperature, be maintained at 35～45 DEG C
In, then B phase solution is joined in the AC mixed liquor of A phase solution and the formation of C phase solution, adds preservative isothiazolone,
Stir；Discharging is canned, product is placed in 0～18 DEG C of environment cooling 4～8h to solid, to obtain final product.
The formula composition of the air freshener of table 1 embodiment 1～3
Embodiment 4～6
According to table 2 formulation content, preparing the air freshener of embodiment 4～6 respectively, its preparation method includes following step
Rapid:
(1) preparation of A phase solution: first aminosal gel-type vehicle gelatin is filled in 70～75 DEG C of appropriate amount of deionized water
Divide stirring to clear solution, be then cooled to 35～45 DEG C, insulated and stirred, obtain A phase solution；
(2) preparation of B phase solution: will have isobutyiene-maieic anhydride alternate copolymer the remaining at room temperature of amide segment
Remaining deionized water stirs, to clear solution, obtains B phase solution；
(3) preparation of C phase solution: essence, polyoxyethylene hydrogenated Oleum Ricini, AEO9 and ethanol are mixed, stirring is to transparent
Liquid, obtains C phase solution；
(4) three-phase mixing: first C phase solution is added in A phase solution, stir；Measure temperature, be maintained at 35-45 DEG C
In, then B phase solution is joined in the AC mixed liquor of A phase solution and the formation of C phase solution, adds preservative methyl hydroxybenzoate,
Stir；Discharging is canned, product is placed in 0-18 DEG C of environment cooling 4～8h to solid, to obtain final product.
The formula composition of the air freshener of table 2 embodiment 4～6
Embodiment 7～9
According to table 3 formulation content, preparing the air freshener of embodiment 7～9 respectively, its preparation method includes following step
Rapid:
(1) preparation of A phase solution: first aminosal gel-type vehicle gelatin is filled in 70～75 DEG C of appropriate amount of deionized water
Divide stirring to clear solution, be then cooled to 35～45 DEG C, insulated and stirred, obtain A phase solution；
(2) preparation of B phase solution: the isobutyiene-maieic anhydride alternate copolymer with amide segment is remained at room temperature
Deionized water in stir, to clear solution, obtain B phase solution；
(3) preparation of C phase solution: by essence, polyoxyethylene hydrogenated Oleum Ricini, ethanol and mixed with propylene glycol, stirring is to thoroughly
Prescribed liquid, obtains C phase solution；
(4) three-phase mixing: first C phase solution is added in A phase solution, stir；Measure temperature, be maintained at 35～45 DEG C
In, then B phase solution is joined in the AC mixed liquor of A phase solution and the formation of C phase solution, add preservative phenoxyethanol, stir
Mix uniformly；Discharging is canned, product is placed in 0～18 DEG C of environment cooling 4～8h to solid, to obtain final product.
The formula composition of the air freshener of table 3 embodiment 7～9
Embodiment 10～12
According to table 4 formulation content, preparing the air freshener of embodiment 10～12 respectively, its preparation method includes following step
Rapid:
(1) preparation of A phase solution: first by aminosal gel-type vehicle gelatin in the appropriate amount of deionized water of 70～75 DEG C
It is stirred well to clear solution, is then cooled to 35～45 DEG C, insulated and stirred, obtain A phase solution；
(2) preparation of B phase solution: will have isobutyiene-maieic anhydride alternate copolymer the remaining at room temperature of amide segment
Remaining deionized water stirs, to clear solution, obtains B phase solution；
(3) preparation of C phase solution: by essence, polyoxyethylene hydrogenated Oleum Ricini, AEO9, ethanol and mixed with propylene glycol, stirring
To transparency liquid, obtain C phase solution；
(4) three-phase mixing: first C phase solution is added in A phase solution, stir；Measure temperature, be maintained at 35～45 DEG C
In, then B phase solution is joined in the AC mixed liquor of A phase solution and the formation of C phase solution, adds preservative methyl hydroxybenzoate,
Stir；Discharging is canned, product is placed in 0～18 DEG C of environment cooling 4～8h to solid, to obtain final product.
The formula composition of the air freshener of table 4 embodiment 10～12
Embodiment 13～15
According to table 5 formulation content, preparing the air freshener of embodiment 13～15 respectively, its preparation method includes following step
Rapid:
(1) preparation of A phase solution: first by aminosal gel-type vehicle gelatin in the appropriate amount of deionized water of 70～75 DEG C
It is stirred well to clear solution, is then cooled to 35～45 DEG C, insulated and stirred, obtain A phase solution；
(2) preparation of B phase solution: will have isobutyiene-maieic anhydride alternate copolymer the remaining at room temperature of amide segment
Remaining deionized water stirs, to clear solution, obtains B phase solution；
(3) preparation of C phase solution: by essence, polyoxyethylene hydrogenated Oleum Ricini, AEO9 and mixed with propylene glycol, stirring is to thoroughly
Prescribed liquid, obtains C phase solution；
(4) three-phase mixing: first C phase solution is added in A phase solution, stir；Measure temperature, be maintained at 35～45 DEG C
In, then B phase solution is joined in the AC mixed liquor of A phase solution and the formation of C phase solution, adds preservative isothiazolone,
Stir；Discharging is canned, product is placed in 0～18 DEG C of environment cooling 4～8h to solid, to obtain final product.
The formula composition of the air freshener of table 5 embodiment 13～15
Comparative example 1
A kind of air freshener, substantially the same manner as Example 11, difference is: the isobutyl with amide segment used
The number-average molecular weight of alkene-maleic anhydride alternate copolymer is 100000.
Comparative example 2
A kind of air freshener, substantially the same manner as Example 11, difference is: the isobutyl with amide segment used
The number-average molecular weight of alkene-maleic anhydride alternate copolymer is 270000.
Comparative example 3
A kind of air freshener, substantially the same manner as Example 11, difference is: the gel used is carrageenan.
Comparative example 4
A kind of air freshener, substantially the same manner as Example 11, difference is: the gel used is gellan gum.
Effect application test example
Respectively to the embodiment of the present invention 1～15 gained air freshener, commercially available normal air freshener and comparative example 1～
The air freshener of 4 gained carries out performance test, and concrete method of testing is as follows:
1, the assay method of transmittance
Hot solution is become to load in the cuvette of 10mm at 60～80 DEG C in the sample of embodiment, comparative example preparation respectively,
It is cooled to solution solidification (about 3～4h), with deionized water as reference, utilizes ultraviolet spectrophotometer, in 490 ± 1nm ripple
Strong point, measures its light transmittance.
2, Time evaluation method is used
Sample and commercially available prod (about 80g) parallel (2 groups) embodiment, comparative example prepared respectively are positioned over half ventilation
In environment, volatilization naturally, records origination date.Every day observes and weighs, until sample is completely exhausted or weight constant weight, it is judged that for
Use complete, record date, calculate and use natural law.
3, stability test
High-temperature stability is tested: respectively embodiment, the sample of comparative example preparation and commercially available prod are positioned over (50 ± 1)
DEG C couveuse in place 30 days, take out recover to during room temperature observe gel without infiltration situation.
Low-temperature stability is tested: respectively embodiment, the sample of comparative example preparation and commercially available prod are positioned over (0 ± 1)
DEG C couveuse in place 30 days, take out recover to during room temperature observe gel flawless.
The light transmittance of table 6 embodiment 1～8 gained air freshener and use time test result
Table 7 embodiment 9～15 gained air freshener with commercially available prod light transmittance and use time test result
Table 8 comparative example 1～4 gained air freshener light transmittance and use time test result
The stability test result of table 9 embodiment 1～8 gained air freshener
Table 10 embodiment 9～15 gained air freshener and commercially available prod stability test result
Table 11 comparative example 1～4 gained air freshener stability test result
The present invention isobutyiene-maieic anhydride alternate copolymer with amide segment by preferred specific molecular weight range
As the crosslinked action of cross-linking agent Yu specific aminosal gel-type vehicle gelatin, the air freshener of preparation oozes for having
The gel solids of outward appearance, outward appearance is glittering and translucent, colloid good springiness, high temperature resistant.Fragrant atmosphere is not only provided to experience, pleasant mental and body, and
Colloid is glittering and translucent, mixes suitable packaging material, it is also possible to become household Handicraft decorative articles for use.With traditional liquid type air freshener
Comparing, air freshener of the present invention is the gel solids with outward appearance of oozing, the most sustainable fragrant more than 30 days of unlimited placement, makes
With convenient.Air freshener of the present invention in use the most more environmentally-friendly, healthy, safety.Meet consumer green to air
Color, requirement pure and fresh, natural.Data tested by consolidated statement 6～table 11 it can be seen that various embodiments of the present invention product stability is good,
Persistently tolerance 30 days period measurings of 50 DEG C of high temperature, and the light transmittance that holding is the highest, reach more than 97%, illustrate that product transparency is excellent
Different, the use time is also above commercially available prod, and comparative example 1, comparative example 2 due to cross-linking agent have the isobutene. of amide segment-
Maleic anhydride alternate copolymer molecular weight is different, and its immanent structure is the most different, and preparation sample can not gel.Comparative example 3 and right
Its light transmittance of ratio 4 is remarkably decreased, and carrageenan gel sample tests the defects such as easy infiltration, gellan gum gel sample in high-temperature stability
Product low-temperature stability is poor, and gel strength is a greater impact.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that, come for those of ordinary skill in the art
Saying, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. an air freshener, it is characterised in that by mass percentage, is prepared from by the raw material including following components:
The cross-linking agent of 0.4%～6%, the gel of 0.5%～10%, the solubilizing agent of 1%～15%, 0.1%～15% help
Solvent, the preservative of 0.05%～0.5%, the essence of 0.5%～6%, surplus is water；
Described cross-linking agent be number-average molecular weight be 120000～250000 the isobutyiene-maieic anhydride with amide segment alternately
Copolymer；Described gel be isoelectric point, IP be the aminosal gel-type vehicle gelatin of 4～7；Described solubilizing agent is one or
Plant above nonionic surfactant；A kind of polyol solvent of described cosolvent.
Air freshener the most according to claim 1, it is characterised in that by mass percentage, by including following components
Raw material be prepared from:
The cross-linking agent of 0.5%～2%, the gel of 1%～4%, the solubilizing agent of 2%～8%, the cosolvent of 3%～14%,
The preservative of 0.08%～0.2%, the essence of 3%～5%, surplus is water.
Air freshener the most according to claim 2, it is characterised in that by mass percentage, by including following components
Raw material be prepared from:
The cross-linking agent of 1%～1.5%, the gel of 2%～3%, the solubilizing agent of 5%～7%, the cosolvent of 13%～14%,
The preservative of 0.09%～0.11%, the essence of 3%～3.5%, surplus is water.
4. according to the air freshener described in any one of claims 1 to 3, it is characterised in that the equal molecule of number of described cross-linking agent
Amount is 150000～180000.
Air freshener the most according to claim 4, it is characterised in that the number-average molecular weight of described cross-linking agent is 160000
～170000.
6. according to the air freshener described in any one of claims 1 to 3, it is characterised in that described solubilizing agent is polyoxyethylene
In castor oil hydrogenated, fatty alcohol-polyoxyethylene ether, sorbitan fatty acid ester, sorbitan fatty acid ester polyoxyethylene ether
One or more mixture.
Air freshener the most according to claim 6, it is characterised in that described solubilizing agent is polyoxyethylene hydrogenated Oleum Ricini
And/or fatty alcohol-polyoxyethylene ether.
8. according to the air freshener described in any one of claims 1 to 3, it is characterised in that described cosolvent be ethanol, the third two
One or more mixture in alcohol, glycerol.
9. the preparation method of the air freshener described in an any one of claim 1～8, it is characterised in that include following step
Rapid:
(1) preparation of A phase solution: first described gel is stirred well to clear solution in the suitable quantity of water of 70～75 DEG C, so
After be cooled to 35～45 DEG C, insulated and stirred, obtain A phase solution；
(2) preparation of B phase solution: stirred to clear solution in the remaining water of room temperature by described cross-linking agent, obtains B phase solution；
(3) preparation of C phase solution: by described solubilizing agent, cosolvent, essence mixing, stirring, to transparency liquid, obtains C phase solution；
(4) three-phase mixing: first described C phase solution is added in described A phase solution, stir, be maintained at 35～45 DEG C, then
Add described B phase solution, preservative, stir；
(5) discharging, is placed in 0～18 DEG C of environment and is cooled to solid, to obtain final product.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106621761A (en) * | 2016-12-08 | 2017-05-10 | 广东爱车小屋实业发展股份有限公司 | Gel air freshener and preparation method thereof |
| CN106880860A (en) * | 2017-01-18 | 2017-06-23 | 陆开云 | A kind of Luzhou-flavor air freshener |
| CN107519519A (en) * | 2017-09-15 | 2017-12-29 | 海门市琴键农产品有限公司 | A kind of solid air freshening agent |
| CN107737360A (en) * | 2017-11-28 | 2018-02-27 | 嘉兴普元新材料科技有限公司 | A kind of purification of air gel combination and preparation method thereof |
| CN107903410A (en) * | 2017-11-28 | 2018-04-13 | 嘉兴普元新材料科技有限公司 | A kind of isobutylene maleic acid anhydride alternate copolymer/Sodium Alginate Hydrogel Films and preparation method thereof |
| CN107913426A (en) * | 2017-11-28 | 2018-04-17 | 嘉兴普元新材料科技有限公司 | A kind of aromatic and its method |
| CN107929783A (en) * | 2017-11-28 | 2018-04-20 | 嘉兴普元新材料科技有限公司 | A kind of gel combination and preparation method thereof |
| CN107973942A (en) * | 2017-11-28 | 2018-05-01 | 嘉兴普元新材料科技有限公司 | A kind of isobutyiene-maieic anhydride alternate copolymer/Sodium Alginate Hydrogel Films and preparation method thereof |
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| CN107913426A (en) * | 2017-11-28 | 2018-04-17 | 嘉兴普元新材料科技有限公司 | A kind of aromatic and its method |
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| CN107973942B (en) * | 2017-11-28 | 2020-09-25 | 嘉兴普元新材料科技有限公司 | Isobutene-maleic anhydride alternating copolymer/sodium alginate hydrogel and preparation method thereof |
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