CN108129617A - It is a kind of to be used to extract super absorbent resin of peony essential oil and preparation method thereof - Google Patents
It is a kind of to be used to extract super absorbent resin of peony essential oil and preparation method thereof Download PDFInfo
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- CN108129617A CN108129617A CN201810185694.9A CN201810185694A CN108129617A CN 108129617 A CN108129617 A CN 108129617A CN 201810185694 A CN201810185694 A CN 201810185694A CN 108129617 A CN108129617 A CN 108129617A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
- C08B30/18—Dextrin, e.g. yellow canari, white dextrin, amylodextrin or maltodextrin; Methods of depolymerisation, e.g. by irradiation or mechanically
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
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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
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/025—Recovery by solvent extraction
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2351/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2351/02—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to polysaccharides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
Abstract
The invention discloses a kind of for extracting super absorbent resin of peony essential oil and preparation method thereof, raw material includes：Cornstarch, acrylic acid, corn stalk powder, potassium peroxydisulfate, N, N ' methylene-bisacrylamides, sodium hydroxide solution, water；Preparation method includes the following steps：Cornstarch is added in 70 80 DEG C of water, constant temperature stirs 40 50 minutes, the starch solution A being gelatinized；Acrylic acid is added in sodium hydroxide solution, stirs 20 30 minutes, adds corn stalk powder, potassium peroxydisulfate, N, N ' methylene-bisacrylamides obtain mixed solution B；Starch solution A and mixed solution B are uniformly mixed, microwave treatment 35 minutes, dry, crushing obtains the super absorbent resin for extracting peony essential oil.Super absorbent resin provided by the invention is applied to fresh peony petal and extracts essential oil, can extract the derived essential oil in peony to greatest extent.
Description
Technical field
The present invention relates to peony essential oil preparation field more particularly to a kind of super absorbent resins for being used to extract peony essential oil
And preparation method thereof.
Background technology
Peony essential oil is that isolated volatile oily liquids that has is extracted from peony, therein most of
Volatile ingredient is the substance for having the aromatic odors such as the fragrance of a flower, fruity.In addition, peony essential oil is rich in the ammonia that a variety of human bodies need
Base acid and trace element, have and resist sensitivity, improve blood circulation, and beautifying face and moistering lotion promotes cytothesis, alleviates skin ageing,
The effects that adjusting skin problem, balancing hormone secretion in women body can make the raw material of medicine, food, beverage, cosmetics.
At present, the extraction of plants essential oil and isolation technics mainly have steam distillation, solvent extraction, microwave abstracting
Method, ultrasonic extraction, supercritical fluid extraction etc..Supercritical carbon dioxide extraction method is a kind of emerging extraction of essential oil skill
Art, compared with traditional chemical extraction method, not only extraction efficiency is high for supercritical carbon dioxide extraction method, the essential oil purity extracted
Height, and the active constituent of essential oil is saved to greatest extent.Supercritical carbon dioxide extraction method is chiefly used in using dried flower as raw material
Essential oil is prepared, such as using fresh flower as raw material, then contain moisture in the extract being obtained by extraction, it is also necessary to carry out water-oil separating ability
Obtain pure essential oil.And dried flower is during preparation and preservation, the volatile ingredient in flowers can be largely lost in, prepared by dried flower
The yield of essential oil prepares essential oil less than fresh flower.For this purpose, applicant has developed a kind of side that essential oil is extracted from fresh peony petal
Method, the application are the super absorbent resin that peony essential oil is prepared for extraction suitable for this method.
Invention content
Technical problems based on background technology, the present invention propose a kind of high-hydroscopicity for being used to extract peony essential oil
Resin and preparation method thereof, super absorbent resin provided by the invention are used for supercritical carbon dioxide extraction method, can be from fresh
Peony essential oil is extracted in peony petal, extracts the derived essential oil in peony to greatest extent.
The present invention provides a kind of for extracting the super absorbent resin of peony essential oil, raw material includes by weight：It is beautiful
12-15 parts of rice starch, 65-70 parts of acrylic acid, 5-8 parts of corn stalk powder, 0.5-0.7 parts of potassium peroxydisulfate, N, N '-di-2-ethylhexylphosphine oxide third
0.06-0.08 parts of acrylamide, 85-95 parts of sodium hydroxide solution, 15-17 parts of water.
Preferably, raw material includes by weight：13 parts of cornstarch, 67 parts of acrylic acid, 6.8 parts of corn stalk powder, mistake
0.62 part of potassium sulfate, N, N ' -0.074 part of methylene-bisacrylamide, 86 parts of sodium hydroxide solution, 15.8 parts of water.
Preferably, the mass fraction of sodium hydroxide solution is 26%-29%.
Preferably, the water content of corn stalk powder is 5%-8%, and granularity is 60-80 mesh.
It is used to extract the preparation method of the super absorbent resin of peony essential oil the present invention also provides this kind, including following step
Suddenly：
S1, cornstarch is added in 70-80 DEG C of water, constant temperature stirs 40-50 minutes, the starch solution A being gelatinized；
S2, acrylic acid is added in sodium hydroxide solution, stir 20-30 minutes, add corn stalk powder, potassium peroxydisulfate,
N, N '-methylene-bisacrylamide, stir evenly, and obtain mixed solution B；
S3, the mixed solution B obtained in the starch solution A and S2 that are obtained in S1 is uniformly mixed, be put into micro- in microwave reactor
Wave is handled 3-5 minutes, and dry, crushing obtains the super absorbent resin for extracting peony essential oil.
Preferably, the microwave power of microwave treatment is 250-300W in S3.
Preferably, temperature dry in S3 is 70-80 DEG C, and the time is 15-20 hours.
Preferably, it is 70-80 mesh for extracting the super absorbent resin granularity of peony essential oil to be obtained after being crushed in S3.
Super absorbent resin provided by the invention extracts for supercritical carbon dioxide extraction method from fresh peony petal
Peony essential oil, specific method step are as follows：
Step 1: fresh peony petal and water are mixed, by crushing, after ultrasonication, it is centrifugally separating to obtain peong flower juice；
Step 2: adding in super absorbent resin in the peong flower juice obtained in step 1, after stirring 10-20 minutes, 20- is stood
30 minutes, obtain gel peony extract；
Step 3: carrying out supercritical carbon dioxide extracting to obtaining gel peony extract in step 2, peony essential oil is obtained.
Preferably, the weight ratio of fresh peony petal and water is 1 in step 1:1-1.3.
Preferably, the additive amount of super absorbent resin is 0.02-0.04 times of peong flower juice weight in step 2.
Preferably, step 3, which surpasses, closes in carbon dioxide abstraction, and the pressure of extraction is 23-35Mpa, extraction temperature 35-
45 DEG C, extraction time is 50-90 minutes, carbon dioxide flow 15-18L/h.
Preferably, step 3, which surpasses, closes in carbon dioxide abstraction, and there are two divide for the supercritical carbon dioxide extracting instrument used
From kettle, the pressure of the first separating still is 8-10Mpa, and temperature is 40-45 DEG C, and the pressure of the second separating still is 3-5Mpa, and temperature is
30-35℃。
Preferably, surpass in step 3 and close on carbon dioxide abstraction and use cyclohexane as entrainer, the stream of entrainer cyclohexane
Measure the 6%-8% for carbon dioxide flow.
Preferably, the ultrasonic power of ultrasonication is 200-300w in step 1, frequency 28-32Hz, ultrasonic time
For 15-20min.
It is extracted from peony petal using super absorbent resin provided by the invention cooperation supercritical carbon dioxide extraction method
Essential oil is using fresh peony petal as raw material, first crushes fresh peony petal, supersonic wave wall breaking, makes the essential oil in peony
Ingredient is released from cell, then carries out supercritical carbon dioxide extracting after absorbing peong flower juice with super absorbent resin.It should
Method is extracted the derived essential oil in peony to greatest extent, and the fragrance of flowers is strong for essential oil, be it is a kind of efficiently, quickly from peony
The method of middle extraction peony essential oil, in supercritical carbon dioxide extracting using cyclohexane as entrainer, can improve the effect of extraction
Rate.The use for focusing on super absorbent resin of this method.
There is very strong absorbability and water-retaining property provided by the present invention for the super absorbent resin for extracting peony essential oil,
Moisture is not lost by external pressure.The super absorbent resin is different to the binding ability of hydrone with derived essential oil, titanium dioxide
When carbon is by the super absorbent resin that absorbs peong flower juice, volatile oil components therein are taken away, moisture then stays in
In super absorbent resin, realize water-oil separating, pure essential oil can be directly recovered to from separating still.Super absorbent resin can
To absorb water repeatedly, reuse, reduce production cost.
Specific embodiment
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
The present invention provides a kind of for extracting the super absorbent resin of peony essential oil, raw material includes by weight：Corn forms sediment
13 parts of powder, 67 parts of acrylic acid, 6.8 parts of corn stalk powder, 0.62 part of potassium peroxydisulfate, N, N '-methylene-bisacrylamide 0.074
Part, 86 parts of the sodium hydroxide solution that mass fraction is 27%, 15.8 parts of water.
Wherein, the water content of corn stalk powder is 5.4%, and granularity is 70 mesh.
Embodiment 2
The present invention provides a kind of for extracting the super absorbent resin of peony essential oil, raw material includes by weight：Corn forms sediment
12 parts of powder, 68 parts of acrylic acid, 7.7 parts of corn stalk powder, 0.53 part of potassium peroxydisulfate, N, N '-methylene-bisacrylamide 0.066
Part, 91 parts of the sodium hydroxide solution that mass fraction is 26%, 16.2 parts of water.
Wherein, the water content of corn stalk powder is 5.8%, and granularity is 65 mesh.
Embodiment 3
The present invention provides a kind of for extracting the super absorbent resin of peony essential oil, raw material includes by weight：Corn forms sediment
14 parts of powder, 66 parts of acrylic acid, 5.2 parts of corn stalk powder, 0.57 part of potassium peroxydisulfate, N, N '-methylene-bisacrylamide 0.078
Part, 88 parts of the sodium hydroxide solution that mass fraction is 29%, 15.3 parts of water.
Wherein, the water content of corn stalk powder is 6.9%, and granularity is 75 mesh.
Embodiment 4
The present invention provides a kind of for extracting the super absorbent resin of peony essential oil, raw material includes by weight：Corn forms sediment
15 parts of powder, 69 parts of acrylic acid, 6.1 parts of corn stalk powder, 0.68 part of potassium peroxydisulfate, N, N '-methylene-bisacrylamide 0.062
Part, 93 parts of the sodium hydroxide solution that mass fraction is 28%, 16.7 parts of water.
Wherein, the water content of corn stalk powder is 7.8%, and granularity is 80 mesh.
Embodiment 5
The present invention provides a kind of for extracting the preparation method of the super absorbent resin of peony essential oil, include the following steps：
S1,13 kilograms of cornstarch are added to 76 DEG C, in 15.8 kilograms of water, constant temperature stirs 43 minutes, the starch being gelatinized
Solution A；
S2,67 kilograms of acrylic acid are added to 86 kilograms, in the sodium hydroxide solution that mass fraction is 27%, stirred 27 minutes, then
6.8 kilograms of water content of addition are 5.4%, the corn stalk powder that granularity is 70 mesh, 0.62 kilogram of potassium peroxydisulfate, 0.074 kilogram of N,
N '-methylene-bisacrylamide, stirs evenly, and obtains mixed solution B；
S3, the mixed solution B obtained in the starch solution A and S2 that are obtained in S1 is uniformly mixed, be put into micro- in microwave reactor
Wave is handled 4.3 minutes, microwave power 280W, 18 hours dry at 76 DEG C, be crushed 70 mesh, is obtained extracting peony essential oil
Super absorbent resin.
Embodiment 6
The present invention provides a kind of for extracting the preparation method of the super absorbent resin of peony essential oil, include the following steps：
S1,12 kilograms of cornstarch are added to 73 DEG C, in 16.2 kilograms of water, constant temperature stirs 48 minutes, the starch being gelatinized
Solution A；
S2,68 kilograms of acrylic acid are added to 91 kilograms, in the sodium hydroxide solution that mass fraction is 26%, stirred 24 minutes, then
7.7 kilograms of water content of addition are 5.8%, the corn stalk powder that granularity is 65 mesh, 0.53 kilogram of potassium peroxydisulfate, 0.066 kilogram of N,
N '-methylene-bisacrylamide, stirs evenly, and obtains mixed solution B；
S3, the mixed solution B obtained in the starch solution A and S2 that are obtained in S1 is uniformly mixed, be put into micro- in microwave reactor
Wave is handled 3.4 minutes, microwave power 260W, 19.4 hours dry at 73 DEG C, crushed 75 mesh, obtains extracting tree peony essence
The super absorbent resin of oil.
Embodiment 7
The present invention provides a kind of for extracting the preparation method of the super absorbent resin of peony essential oil, include the following steps：
S1,14 kilograms of cornstarch are added to 78 DEG C, in 15.3 kilograms of water, constant temperature stirs 46 minutes, the starch being gelatinized
Solution A；
S2,66 kilograms of acrylic acid are added to 88 kilograms, in the sodium hydroxide solution that mass fraction is 29%, stirred 22 minutes, then
5.2 kilograms of water content of addition are 6.9%, the corn stalk powder that granularity is 75 mesh, 0.57 kilogram of potassium peroxydisulfate, 0.078 kilogram of N,
N '-methylene-bisacrylamide, stirs evenly, and obtains mixed solution B；
S3, the mixed solution B obtained in the starch solution A and S2 that are obtained in S1 is uniformly mixed, be put into micro- in microwave reactor
Wave is handled 4.8 minutes, microwave power 270W, 16.4 hours dry at 79 DEG C, crushed 80 mesh, obtains extracting tree peony essence
The super absorbent resin of oil.
Embodiment 8
Application process of the super absorbent resin provided by the invention in peony essential oil is extracted, includes the following steps：
Step 1: 1 part of fresh peony petal and 1.2 parts of water are mixed, 20 mesh are crushed, ultrasonic power 240w, frequency are
After 30Hz ultrasonications 17min, it is centrifugally separating to obtain peong flower juice；
Step 2: the super absorbent resin obtained in embodiment 5, high-hydroscopicity are added in the peong flower juice obtained in step 1
The additive amount of resin is 0.028 times of peong flower juice weight, after stirring 13 minutes, stands 26 minutes, obtains gel tree peony and carry
Take object；
Step 3: supercritical carbon dioxide extracting is carried out to obtaining gel peony extract in step 2, it is super to close on titanium dioxide
In carbon extraction, the pressure of extraction is 27Mpa, and extraction temperature is 42 DEG C, and extraction time is 71 minutes, and carbon dioxide flow is
16.8L/h；The supercritical carbon dioxide extracting instrument used is there are two separating still, and the pressure of the first separating still is 8.9Mpa, temperature
It it is 42 DEG C, the pressure of the second separating still is 3.6Mpa, and temperature is 33 DEG C；The super carbon dioxide abstraction that closes on uses cyclohexane as entrainment
Agent, the flow of cyclohexane is 1.13L/h, and the extract of the first separating still and the second separating still is merged, obtains peony essential oil.
Embodiment 9
Application process of the super absorbent resin provided by the invention in peony essential oil is extracted, includes the following steps：
Step 1: 1 part of fresh peony petal and 1.1 parts of water are mixed, 20 mesh are crushed, ultrasonic power 280w, frequency are
After 29Hz ultrasonications 16min, it is centrifugally separating to obtain peong flower juice；
Step 2: the super absorbent resin obtained in embodiment 6, high-hydroscopicity are added in the peong flower juice obtained in step 1
The additive amount of resin is 0.033 times of peong flower juice weight, after stirring 15 minutes, stands 22 minutes, obtains gel tree peony and carry
Take object；
Step 3: supercritical carbon dioxide extracting is carried out to obtaining gel peony extract in step 2, it is super to close on titanium dioxide
In carbon extraction, the pressure of extraction is 33Mpa, and extraction temperature is 37 DEG C, and extraction time is 86 minutes, and carbon dioxide flow is
15.4L/h；The supercritical carbon dioxide extracting instrument used is there are two separating still, and the pressure of the first separating still is 8.3Mpa, temperature
It it is 43 DEG C, the pressure of the second separating still is 4.2Mpa, and temperature is 31 DEG C；The super carbon dioxide abstraction that closes on uses cyclohexane as entrainment
Agent, the flow of cyclohexane is 1.20 L/h, and the extract of the first separating still and the second separating still is merged, obtains peony essential oil.
Embodiment 10
Application process of the super absorbent resin provided by the invention in peony essential oil is extracted, includes the following steps：
Step 1: 1 part of fresh peony petal and 1 part of water are mixed, 20 mesh, ultrasonic power 210w, frequency 31Hz crushed
After ultrasonication 19min, it is centrifugally separating to obtain peong flower juice；
Step 2: the super absorbent resin obtained in embodiment 7, high-hydroscopicity are added in the peong flower juice obtained in step 1
The additive amount of resin is 0.023 times of peong flower juice weight, after stirring 19 minutes, stands 29 minutes, obtains gel tree peony and carry
Take object；
Step 3: supercritical carbon dioxide extracting is carried out to obtaining gel peony extract in step 2, it is super to close on titanium dioxide
In carbon extraction, the pressure of extraction is 24Mpa, and extraction temperature is 44 DEG C, and extraction time is 54 minutes, and carbon dioxide flow is
16.1L/h；The supercritical carbon dioxide extracting instrument used is there are two separating still, and the pressure of the first separating still is 9.7Mpa, temperature
It it is 41 DEG C, the pressure of the second separating still is 4.8Mpa, and temperature is 34 DEG C；The super carbon dioxide abstraction that closes on uses cyclohexane as entrainment
Agent, the flow of cyclohexane is 1.01L/h, and the extract of the first separating still and the second separating still is merged, obtains peony essential oil.
Embodiment 11
Application process of the super absorbent resin provided by the invention in peony essential oil is extracted, includes the following steps：
Step 1: 1 part of fresh peony petal and 1.3 parts of water are mixed, 20 mesh are crushed, ultrasonic power 260w, frequency are
After 28Hz ultrasonications 18min, it is centrifugally separating to obtain peong flower juice；
Step 2: the super absorbent resin obtained in embodiment 7, high-hydroscopicity are added in the peong flower juice obtained in step 1
The additive amount of resin is 0.037 times of peong flower juice weight, after stirring 17 minutes, stands 24 minutes, obtains gel tree peony and carry
Take object；
Step 3: supercritical carbon dioxide extracting is carried out to obtaining gel peony extract in step 2, it is super to close on titanium dioxide
In carbon extraction, the pressure of extraction is 31Mpa, and extraction temperature is 39 DEG C, and extraction time is 62 minutes, and carbon dioxide flow is
17.7L/h；The supercritical carbon dioxide extracting instrument used is there are two separating still, and the pressure of the first separating still is 9.4Mpa, temperature
It it is 44 DEG C, the pressure of the second separating still is 3.2Mpa, and temperature is 32 DEG C；The super carbon dioxide abstraction that closes on uses cyclohexane as entrainment
Agent, the flow of cyclohexane is 1.21L/h, and the extract of the first separating still and the second separating still is merged, obtains peony essential oil.
Existing device on the market can be selected in microwave reactor involved in the present invention, as long as required function of the present invention can be realized
, preferred Nanjing optically-active Science and Technology Ltd. LWMC-201 type microwave reactors.
Involved in the present invention is the common knowledge of this field the methods of being uniformly mixed, stir evenly, centrifuging,
This is repeated no more.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of super absorbent resin for being used to extract peony essential oil, which is characterized in that its raw material includes by weight：Corn forms sediment
12-15 parts of powder, 65-70 parts of acrylic acid, 5-8 parts of corn stalk powder, 0.5-0.7 parts of potassium peroxydisulfate, N, N '-methylene bisacrylamide acyl
0.06-0.08 parts of amine, 85-95 parts of sodium hydroxide solution, 15-17 parts of water.
A kind of 2. super absorbent resin for being used to extract peony essential oil according to claim 1, which is characterized in that its raw material
Include by weight：13 parts of cornstarch, 67 parts of acrylic acid, 6.8 parts of corn stalk powder, 0.62 part of potassium peroxydisulfate, N, N '-methylene
0.074 part of base bisacrylamide, 86 parts of sodium hydroxide solution, 15.8 parts of water.
A kind of 3. super absorbent resin for being used to extract peony essential oil according to claim 1 or 2, which is characterized in that institute
The mass fraction for stating sodium hydroxide solution is 26%-29%.
A kind of 4. super absorbent resin for being used to extract peony essential oil according to claim 1 or 2, which is characterized in that institute
The water content for stating corn stalk powder is 5%-8%, and granularity is 60-80 mesh.
5. a kind of preparation method for the super absorbent resin for being used to extract peony essential oil, which is characterized in that include the following steps：
S1, cornstarch is added in 70-80 DEG C of water, constant temperature stirs 40-50 minutes, the starch solution A being gelatinized；
S2, acrylic acid is added in sodium hydroxide solution, stir 20-30 minutes, add corn stalk powder, potassium peroxydisulfate,
N, N '-methylene-bisacrylamide, stir evenly, and obtain mixed solution B；
S3, the mixed solution B obtained in the starch solution A and S2 that are obtained in S1 is uniformly mixed, be put into micro- in microwave reactor
Wave is handled 3-5 minutes, and dry, crushing obtains the super absorbent resin for extracting peony essential oil.
6. a kind of preparation method of super absorbent resin for being used to extract peony essential oil according to claim 5, feature
It is, the microwave power of microwave treatment is 250-300W in the S3.
7. a kind of preparation method of super absorbent resin for being used to extract peony essential oil according to claim 5, feature
It is, dry temperature is 70-80 DEG C in the S3, and the time is 15-20 hours.
8. a kind of preparation method of super absorbent resin for being used to extract peony essential oil according to claim 5, feature
It is, it is 70-80 mesh for extracting the granularity of the super absorbent resin of peony essential oil to be obtained after being crushed in the S3.
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| CN201810185694.9A CN108129617B (en) | 2018-03-07 | 2018-03-07 | Super absorbent resin for extracting peony essential oil and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1392168A (en) * | 2002-07-09 | 2003-01-22 | 中国科学院长春应用化学研究所 | Process for preparing high water absorption resin |
| CN102363641A (en) * | 2011-10-09 | 2012-02-29 | 常熟市威腾进出口有限公司 | Preparation method of starch maize modified sodium polyacrylate composite material |
| CN103361180A (en) * | 2013-07-18 | 2013-10-23 | 华南理工大学 | Extraction method of plant essential oil |
-
2018
- 2018-03-07 CN CN201810185694.9A patent/CN108129617B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1392168A (en) * | 2002-07-09 | 2003-01-22 | 中国科学院长春应用化学研究所 | Process for preparing high water absorption resin |
| CN102363641A (en) * | 2011-10-09 | 2012-02-29 | 常熟市威腾进出口有限公司 | Preparation method of starch maize modified sodium polyacrylate composite material |
| CN103361180A (en) * | 2013-07-18 | 2013-10-23 | 华南理工大学 | Extraction method of plant essential oil |
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