CN104663654B - A kind of preparation method of CO early warning preserved flower - Google Patents
A kind of preparation method of CO early warning preserved flower Download PDFInfo
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Abstract
The invention provides the preparation method of a kind of CO early warning preserved flower, using palladium salt as raw material, divalent palladium ion therein energy and reaction of carbon monoxide generation simple substance palladium, and phosphomolybdic acid oxidizing simple substance palladium, self it is reduced to molybdenum blue simultaneously, thus preserved flower achieves the early warning of CO by the change of color and luster.Secondly, the available silica gel colloidal sol of positive esters of silicon acis hydrolysis under the catalysis of acid, it has loose structure after drying, can load phosphomolybdic acid molecule, improves the specific surface area of phosphomolybdic acid, thus improves the efficiency of its reaction.Again, polyethylene is given a tongue-lashing pyrrolidone and is improved the dispersibility of each reacting substance, prevents the reunion of granule, thus improves the susceptiveness of Carbon Monoxide Detection.Therefore, preserved flower prepared by the present invention, while beautifying the environment, also has CO warning function.Accordingly, the present invention also provides for the preparation method of a kind of penetrating fluid.
Description
Technical field
The present invention relates to preserved flower technical field, particularly relate to the preparation method of a kind of CO early warning preserved flower.
Background technology
Flower beauty fragrance, great ornamental value, can beautify the environment, happy mood, be widely loved by the people.For a long time with
Coming, people dream of that flower keeps fresh beauty forever always, normally opened unbeaten.Preserved flower is to utilize organic preservation liquid to replace plant
Moisture, the tissue of flower, moisture can be made to remain behind completely, it is not necessary to water, just can remain flower for a long time the same
The attitude of pliability, freshness and beauty, after dyeing processes, can make flower have nearly hundred kinds of gorgeous colors.
The many pursuits of preserved flower technology in the market and the similarity degree really spent, in addition to decorating and beautifying the environment, lack
Other functions.Such as, the Chinese patent literature of Application No. 200880114937.4 reports the manufacture method of a kind of preserved flower,
Comprising the following steps: after making flower be immersed in working fluid, be dried, this working fluid comprises oily selected from natural material, natural
One in material resin, siloxanes, synthetic resin, the reaction type polyurethane that adds water, fatty acid ester or surfactant or
Two or more solution or dispersion liquid.
And the most various unsafe factor of indoor living environment now, it is badly in need of attracting much attention and weighing
Depending on.Wherein, every household nearly all uses piped gas and natural gas, and the main component of piped gas is carbon monoxide and hydrogen
Gas, the imperfect combustion of natural gas also can produce carbon monoxide.When the concentration of carbon monoxide reaches 35ppm in atmosphere, just
Human body can be produced infringement, cause health that the situation of anoxia occurs.General severe headache before this, is followed by Nausea and vomiting and exhales
Inhaling rapid, poisoner understands mental disorder, muscle weakness afterwards, dizzy, thus cannot escape from poisoning environment, cause loss of consciousness and
Stupor, even dead.And carbon monoxide colorless and odorless, be difficult at the beginning of leakage discover, wait recognize be carbon monoxide poisoning time but
Late.Therefore, it is considered as desirable by the inventor to, give preserved flower carbon monoxide warning function, be of great practical significance.
Summary of the invention
Present invention solves the technical problem that the preparation method being to provide a kind of CO early warning preserved flower, the preserved flower of preparation exists
While beautifying the environment, also there is CO warning function.
In view of this, the invention provides the preparation method of a kind of CO early warning preserved flower, comprise the following steps:
Fresh Cutting flower is soaked in the dehydrant that with the addition of desiccant 20～30 hours by step a)；
Fresh Cutting flower is soaked in penetrating fluid 20～30 hours by step b), obtains CO early warning preserved flower after drying,
Described penetrating fluid is prepared as follows: acidity palladium salt solution, solvent and polyvinylpyrrolidone is mixed, stirs
The first mixed liquor is obtained after mixing；Positive esters of silicon acis solution is dropped in described first mixed liquor, static ageing after stirring, obtain
Two mixed liquors；In described second mixed liquor, drip phosphomolybdic acid and preservative, after stirring, obtain penetrating fluid.
Preferably, one during described desiccant is molecular sieve, silica gel, calcium sulfate, magnesium sulfate, sodium sulfate and calcium chloride or
Several.
Preferably, one or more during described dehydrant is ethanol, n-butyl alcohol, the tert-butyl alcohol, acetone and glycerol.
Preferably, described solvent be carbon number be the hydrophilic solvent of 2-8.
Preferably, described positive esters of silicon acis is tetraethyl orthosilicate, methyl silicate or positive silicic acid propyl ester.
Preferably, in penetrating fluid, raw material dosage is as follows:
Preferably, also include:
In described first mixed liquor, add hydrophilic polymer, described hydrophilic polymer be Polyethylene Glycol, poly-the third two
One or more in alcohol, polyvinyl alcohol, poly-methyl-prop mineral acid hydroxyl ethyl ester and polyglutamic acid.
Preferably, the number-average molecular weight of described hydrophilic polymer is 400～2000.
Preferably, the consumption of described hydrophilic polymer is 5～20 weight portions.
Accordingly, the present invention also provides for the preparation method of a kind of penetrating fluid, comprises the following steps:
Acidity palladium salt solution, solvent and polyvinylpyrrolidone are mixed, after stirring, obtains the first mixed liquor；
Positive esters of silicon acis solution is dropped in described first mixed liquor, static ageing after stirring, obtain the second mixed liquor；
In described second mixed liquor, drip phosphomolybdic acid and preservative, after stirring, obtain penetrating fluid.
The invention provides the preparation method of a kind of CO early warning preserved flower, compared with prior art, the present invention makees with palladium salt
For raw material, divalent palladium ion therein can and reaction of carbon monoxide generate simple substance palladium, and phosphomolybdic acid oxidizing simple substance palladium, simultaneously self
It is reduced to molybdenum blue, thus preserved flower achieves the early warning of CO by the change of color and luster.Secondly, positive esters of silicon acis water under the catalysis of acid
Solving available silica gel colloidal sol, it has loose structure after drying, can load phosphomolybdic acid molecule, improves the specific surface area of phosphomolybdic acid,
Thus improve the efficiency of its reaction.Again, in polyvinylpyrrolidone, on the one hand the oxygen atom of lactams can join with palladium ion
Position promotes the dispersed of palladium salt, can form, with the hydroxyl of Silica Surface, the silicon that hydrogen bond suppresses to be caused by hydroxyl condensation the most again
The growth of glue granule and reunion, improve the dispersibility of each reacting substance, prevent the reunion of granule, thus improve Carbon Monoxide Detection
Susceptiveness.Therefore, preserved flower prepared by the present invention, while beautifying the environment, also has CO warning function.Accordingly, the present invention
Also provide for the preparation method of a kind of penetrating fluid.
Detailed description of the invention
In order to be further appreciated by the present invention, below in conjunction with embodiment, the preferred embodiment of the invention is described, but
Should be appreciated that these describe simply as to further illustrate the features and advantages of the present invention rather than to the claims in the present invention
Limit.
The embodiment of the invention discloses the preparation method of a kind of penetrating fluid, comprise the following steps: by acidity palladium salt solution, molten
Agent and polyvinylpyrrolidone (PVP) mixing, obtain the first mixed liquor after stirring；Positive esters of silicon acis solution is dropped to described first
In mixed liquor, static ageing after stirring, obtain the second mixed liquor；Phosphomolybdic acid and preservative is dripped in described second mixed liquor,
Penetrating fluid is obtained after stirring.
According to the present invention, described solvent preferably carbon number is the hydrophilic solvent of 2-8；Described positive esters of silicon acis is positive silicon
Acetoacetic ester, methyl silicate or positive silicic acid propyl ester.In penetrating fluid, raw material dosage is preferably as follows:
It is furthermore preferred that raw material dosage is as follows in described penetrating fluid:
It is furthermore preferred that raw material dosage is as follows in described penetrating fluid:
According to the present invention, also include: in described first mixed liquor, add hydrophilic polymer, described hydrophilic polymer
For one or more in Polyethylene Glycol, polypropylene glycol, polyvinyl alcohol, poly-methyl-prop mineral acid hydroxyl ethyl ester and polyglutamic acid.Institute
The number-average molecular weight stating hydrophilic polymer is 400～2000.The consumption of described hydrophilic polymer is 5～20 weight portions.
The present invention also provides for the preparation method of a kind of CO early warning preserved flower, comprises the following steps:
Fresh Cutting flower is soaked in the dehydrant that with the addition of desiccant 20～30 hours by step a)；
Fresh Cutting flower is soaked in penetrating fluid 20～30 hours by step b), obtains CO early warning preserved flower after drying,
Described penetrating fluid is prepared as follows: acidity palladium salt solution, solvent and polyvinylpyrrolidone is mixed, stirs
The first mixed liquor is obtained after mixing；Positive esters of silicon acis solution is dropped in described first mixed liquor, static ageing after stirring, obtain
Two mixed liquors；In described second mixed liquor, drip phosphomolybdic acid and preservative, after stirring, obtain penetrating fluid.
Preferably, before Fresh Cutting flower is soaked by the present invention, Fresh Cutting flower is washed successively and arranges.Then,
Fresh Cutting flower is soaked in the dehydrant of the desiccant that with the addition of, described in the dehydrant of desiccant that with the addition of preferably according to as follows
Prepared by method: add desiccant, stirring in dehydrant.The present invention by by Fresh Cutting flower at the dehydrant of the desiccant that with the addition of
Middle immersion, to remove the tissue fluid in cut-flower.
Described desiccant is preferably physical dryness agent and/or chemical drier, more preferably molecular sieve, silica gel, calcium sulfate,
One or more in magnesium sulfate, sodium sulfate and calcium chloride.Wherein, calcium sulfate, magnesium sulfate, sodium sulfate and calcium chloride are as chemistry
Desiccant, can be combined generation hydrate, reach dry purpose with water.Described dehydrant be ethanol, n-butyl alcohol, the tert-butyl alcohol, third
One or more in ketone and glycerol.The soak time of step a is preferably 20～30 hours, more preferably 22～26 hours, more
It is preferably 24 hours.
According to the present invention, the effect of dehydrant is to utilize the concentration official post cell tissue liquid inside and outside plant cell to penetrate
Cell, makes dehydrant penetrate into cell, thus plays the effect with dehydrant displacement cell tissue liquid.The purpose of dehydrant displacement
It is to reduce the physiological activities such as the Repiration even stopping plant as far as possible, makes plant be difficult to corruption.Add the work of desiccant
With the moisture being in absorption dewatering agent, make the water concentration of outside be reduced to zero, keep the concentration difference of cell both sides, cell
Internal water constantly penetrates cell.
In stepb, Fresh Cutting flower being soaked in penetrating fluid, soak time is preferably 22～26 hours, and more preferably 24
Hour.Then, the Fresh Cutting flower after preferably soaking arranges, removes surface liquid；The drying means that the present invention uses is particularly as follows: incite somebody to action
Fresh Cutting flower is slowly dried in 50～60 DEG C of baking ovens, removes easy volatile solvent.
During preparing penetrating fluid, described acid palladium salt solution is preferably prepared as follows: by palladium salt in nothing
Solution in machine acid, obtains acid palladium salt solution.Wherein, described palladium salt is preferably Palladous chloride. or palladium sulfate；Described mineral acid is preferred
For hydrochloric acid or sulphuric acid, its mass concentration is preferably 10～30%；Described acid palladium salt solution is preferably the hydrochloric acid solution of Palladous chloride.
Or the sulfuric acid solution of palladium sulfate.
Described solvent preferably carbon number is the hydrophilic solvent of 2-8, more preferably ethanol, propanol, butanol, isopropyl
Alcohol, isoamyl alcohol, Hexalin or dioxane.
In polyvinylpyrrolidone (PVP), on the one hand the oxygen atom of lactams can promote the equal of palladium salt with palladium ion coordination
Even dispersion, can form, with the hydroxyl of Silica Surface, silica gel particle growth and the group that hydrogen bond suppression is caused by hydroxyl condensation the most again
Poly-, improve the dispersibility of each reacting substance, prevent the reunion of granule, thus improve the susceptiveness of Carbon Monoxide Detection.
Obtaining in the first mixed liquor step, mixing time is preferably 20～60 minutes, more preferably 25～50 minutes, more excellent
Elect 30 minutes as.
Obtaining in the step of the second mixed liquor, described positive esters of silicon acis is preferably tetraethyl orthosilicate, methyl silicate or positive silicon
Propyl propionate.Described positive esters of silicon acis solution is preferably prepared as follows: be dissolved in a small amount of first solvent by positive esters of silicon acis.Described
First solvent preferably carbon number is the hydrophilic solvent of 2-8, more preferably ethanol, propanol, butanol, isopropanol, isoamyl alcohol,
Hexalin or dioxane.Described first solvent can be identical with described solvent, it is also possible to different.Obtain the step of the second mixed liquor
In mixing time be preferably 0.5～2 hour, more preferably 1 hour；Static digestion time is preferably 2～8 hours, more preferably
It is 3～6 hours, more preferably 4 hours.Owing to the hydrolysis under the catalysis of acid of positive esters of silicon acis obtains silica gel colloidal sol, silica gel colloidal sol warp
Dried have loose structure in solid-state, can load phosphomolybdic acid molecule, improves the specific surface area of phosphomolybdic acid, thus it is anti-to improve it
The effective percentage answered.The silica gel particle of this porous can absorb the moisture in air simultaneously, the most anti-for palladium ion and carbon monoxide
A small amount of hydrone should be provided.
Then dripping phosphomolybdic acid and preservative in described second mixed liquor, described preservative preferably aliment security level has
Machine preservative, including benzoic acid and its esters, sorbic acid and its esters, parabens, propanoic acid and its esters, Dan Xin
Acid glyceride, sodium diacetate or dehydroactic acid, it act as suppressing bacteria breed, prevents plant corrupt.
According to the present invention, in described penetrating fluid, raw material dosage is as follows:
It is furthermore preferred that raw material dosage is as follows in described penetrating fluid:
It is furthermore preferred that raw material dosage is as follows in described penetrating fluid:
According to the present invention, the weight portion of the solvent total amount in described second mixed liquor is preferably 40～60 weight portions, more excellent
Elect 45～55 weight portions as.The consumption of the most described solvent of solvent total amount in described second mixed liquor and described first solvent it
With.
Preferably, the present invention further preferably includes: add hydrophilic polymer in described first mixed liquor, described
Hydrophilic polymer is in Polyethylene Glycol, polypropylene glycol, polyvinyl alcohol, poly-methyl-prop mineral acid hydroxyl ethyl ester and polyglutamic acid
Plant or several.The number-average molecular weight of described hydrophilic polymer is preferably 400～2000；The consumption of described hydrophilic polymer is excellent
Elect 5～20 weight portions, more preferably 10～18 weight portions, more preferably 12～16 weight portions as.The effect of hydrophilic polymer
Being to replace original tissue fluid in plant cell to be filled in Cytoplasm, make the shape that cell maintenance is original, otherwise other are filled out
Filling thing few, after solvent volatilization, plant is only by cell wall maintenance shape, and cellular atrophy, affect attractive in appearance.
From above scheme it can be seen that the present invention is using palladium salt as raw material, divalent palladium ion energy therein and carbon monoxide
Reaction generates simple substance palladium, and phosphomolybdic acid oxidizing simple substance palladium, self is reduced to molybdenum blue simultaneously, thus the change that preserved flower is by color and luster
Achieve the early warning of CO.
Present invention is particularly suitable for white and the flowers of light color, such as Flos Gardeniae, narcissus, white Bulbus Lilii, jasmine, Horse hoof
Lotus, Flos Plumeriae Acutifoliae, Flos Caryophylli etc..
In order to be further appreciated by the present invention, the technical scheme provided the present invention below in conjunction with embodiment is carried out specifically
Bright, protection scope of the present invention is not limited by the following examples.
Raw material and reagent used by following example are commercial, and wherein Palladous chloride. and palladium sulfate are purchased from Aladdin reagent,
Polyvinylpyrrolidone (PVP) is purchased from attacking green gram of new material science and technology (Shanghai) Co., Ltd., and positive esters of silicon acis is purchased from new Asia, Zhangjiagang
Chemical Co., Ltd., phosphomolybdic acid is purchased from Yuan Mu bio tech ltd, Shanghai.
Embodiment 1
The Fresh Cutting flower that the present embodiment is selected is white Flos Gardeniae.Preservative ethylparaben is purchased from green richization in Zhengzhou
Chemical product company limited.
A kind of preserved flower with carbon monoxide warning function, its preparation method is as follows:
1) Fresh Cutting flower washed, arrange, be placed in ethanol dehydration 24 hours, to remove the tissue fluid in cut-flower cell,
Dehydrant adds a small amount of molecular sieve to improve water rem oval；
2) by the Fresh Cutting flower soaking at room temperature after dehydration in penetrating fluid 24 hours；
3) Fresh Cutting flower after infiltration arranged, remove surface liquid, be placed in 50 DEG C of baking ovens and slowly dry.
The preparation method of above-mentioned penetrating fluid is as follows:
1) it is 15% dissolving with hydrochloric acid 0.2g Palladous chloride. by 0.5ml mass concentration, adds 17.5ml ethanol, 8.7g polyethylene pyrrole
Pyrrolidone (PVP), stirs half an hour under room temperature；
2) under being stirred continuously, 2.14g tetraethyl orthosilicate is dissolved in 5ml ethanol, is slowly added dropwise to above-mentioned solution, and
Drip complete follow-up continuous stirring 1 hour, static ageing 4 hours；
3) it is slowly added dropwise 0.3g phosphomolybdic acid and the ethanol solution of 0.09g ethylparaben and continues to stir 1 hour；
The palladium salt concentration of gained penetrating fluid is 0.6%, and the average diameter of the colloid ion recording silica gel colloidal sol with SAXS is
3.8nm, at room temperature without Precipitation and good fluidity.
Flos Gardeniae after above-mentioned process is light yellow, be placed on carbonomonoxide concentration be 0.05% (if long under this concentration
Phase contact can cause the symptoms such as headache, dizziness, palpitating speed) exsiccator in, the color of Flos Gardeniae becomes blue after 2 minutes.
Embodiment 2
The Fresh Cutting flower that the present embodiment is selected is pink colour Flos Camelliae Japonicae.Potassium sorbate preservative is purchased from the Ningbo limited public affairs of Wang Long group
Department, Polyethylene Glycol (PEG) is purchased from traditional Chinese medicines reagent.
A kind of preserved flower with carbon monoxide warning function, its preparation method is as follows:
1) Fresh Cutting flower washed, arrange, be placed in n-butyl alcohol dehydration 24 hours, to remove the tissue in cut-flower cell
Liquid, adds anhydrous calcium chloride to improve water rem oval in dehydrant；
2) by the Fresh Cutting flower soaking at room temperature after dehydration in penetrating fluid 24 hours；
3) Fresh Cutting flower after infiltration arranged, remove surface liquid, be placed in 55 DEG C of baking ovens and slowly dry.
The preparation method of above-mentioned penetrating fluid is as follows:
1) with the dissolving with hydrochloric acid 0.5g Palladous chloride. that 0.8ml mass concentration is 20%, 25.5ml propanol, 9g polyethylene pyrrole are added
Pyrrolidone (PVP) and 10g Polyethylene Glycol (PEG), stir half an hour under room temperature；
2) under being stirred continuously, 1.93g methyl silicate is dissolved in 7ml propanol, is slowly added dropwise to above-mentioned solution, and
Drip complete follow-up continuous stirring 1 hour, static ageing 4 hours；
3) it is slowly added dropwise 0.7g phosphomolybdic acid and 0.12g potassium sorbate and continues to stir 1 hour；
The palladium salt concentration of gained penetrating fluid is 1.0%, and the average diameter of the colloid ion recording silica gel colloidal sol with SAXS is
3.9nm, at room temperature without Precipitation and good fluidity.
Flos Camelliae Japonicae after above-mentioned process is shallow orange, and being placed on carbonomonoxide concentration is 0.15% (to add under this concentration
, even there is dyspnea, feel sick and stupor in the symptoms such as acute headache, dizziness, palpitating speed) exsiccator in, the face of Flos Camelliae Japonicae
Color moment becomes lilac.
Embodiment 3
The Fresh Cutting flower that the present embodiment is selected is yellow Calendula officinalis.Preservative sodium diacetate is purchased from Lianyun Harbour promise letter food ingredient
Company limited, poly-methyl-prop mineral acid hydroxyl ethyl ester (HEMA) is purchased from sigma reagent.
A kind of preserved flower with carbon monoxide warning function, its preparation method is as follows:
1) Fresh Cutting flower washed, arrange, be placed in acetone dehydration 24 hours, to remove the tissue fluid in cut-flower cell,
Dehydrant adds a small amount of silica gel to improve water rem oval；
2) by the Fresh Cutting flower soaking at room temperature after dehydration in penetrating fluid 24 hours；
3) Fresh Cutting flower after infiltration arranged, remove surface liquid, be placed in 60 DEG C of baking ovens and slowly dry.
The preparation method of above-mentioned penetrating fluid is as follows:
1) with the sulfuric acid dissolution 0.5g palladium sulfate that 1ml mass concentration is 25%, 20ml isopropanol, 12g polyethylene pyrrole are added
Pyrrolidone (PVP) and 6g poly-methyl-prop mineral acid hydroxyl ethyl ester (PHEMA), stir half an hour under room temperature；
2) under being stirred continuously, 4.34g tetraethyl orthosilicate is dissolved in 10ml isopropanol, is slowly added dropwise to above-mentioned solution,
And dripping complete follow-up continuous stirring 1 hour, static ageing 4 hours；
It is slowly added dropwise 0.6g phosphomolybdic acid and 0.15g preservative sodium diacetate and continues to stir 1 hour；
The palladium salt concentration of gained penetrating fluid is 1.1%, and the average diameter of the colloid ion recording silica gel colloidal sol with SAXS is
4.0nm, at room temperature without Precipitation and good fluidity.
Calendula officinalis after above-mentioned process is yellow, and being placed on carbonomonoxide concentration is 0.1% (to aggravate head under this concentration
The symptoms such as pain, dizziness, palpitating speed, even occur dyspnea, feel sick and stupor) exsiccator in, the color wink of Flos Camelliae Japonicae
Between become green.
Embodiment 4
The Fresh Cutting flower that the present embodiment is selected is white Zantedeschia aethiopica Spreng..Preservative sodium diacetate is purchased from Lianyun Harbour promise letter food ingredient
Company limited, polyvinyl alcohol is purchased from promotion Chemical Co., Ltd. of Shenzhen.
A kind of preserved flower with carbon monoxide warning function, its preparation method is as follows:
1) Fresh Cutting flower washed, arrange, be placed in the mixed solution of ethanol and acetone dehydration 24 hours, to remove cut-flower
Tissue fluid in cell, in dehydrant, desiccant is to improve water rem oval；
2) by the Fresh Cutting flower soaking at room temperature after dehydration in penetrating fluid 24 hours；
3) Fresh Cutting flower after infiltration arranged, remove surface liquid, be placed in 50 DEG C of baking ovens and slowly dry.
The preparation method of above-mentioned penetrating fluid is as follows:
1) with the sulfuric acid dissolution 0.4g palladium sulfate that 0.7ml mass concentration is 18%, add 22ml and enter ethanol, 6.8g polyethylene pyrrole
Pyrrolidone (PVP) and 8.3g polyvinyl alcohol (PVA), stir half an hour under room temperature；
2) under being stirred continuously, positive for 3.15g silicic acid propyl ester is dissolved in 10ml ethanol, is slowly added dropwise to above-mentioned solution, and
Dripping complete follow-up continuous stirring 1 hour, static ageing 4 hours；
3) it is slowly added dropwise 0.4g phosphomolybdic acid and 0.11g sodium diacetate and continues to stir 1 hour；
The palladium salt concentration of gained penetrating fluid is 0.8%, and the average diameter of the colloid ion recording silica gel colloidal sol with SAXS is
3.9nm, at room temperature without Precipitation and good fluidity.
Zantedeschia aethiopica Spreng. after above-mentioned process is light yellow, be placed on carbonomonoxide concentration be 0.02% (if long under this concentration
Phase contact can cause the symptoms such as headache, dizziness, palpitating speed) exsiccator in, the color of Flos Camelliae Japonicae becomes blue after 5 minutes.
The explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.It is right to it should be pointed out that,
For those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out
Some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (9)
1. the preparation method of a CO early warning preserved flower, it is characterised in that comprise the following steps:
Fresh Cutting flower is soaked in the dehydrant that with the addition of desiccant 20～30 hours by step a)；
Fresh Cutting flower is soaked in penetrating fluid 20～30 hours by step b), obtains CO early warning preserved flower after drying,
Described penetrating fluid is prepared as follows: acidity palladium salt solution, solvent and polyvinylpyrrolidone are mixed, after stirring
Obtain the first mixed liquor；Positive esters of silicon acis solution is dropped in described first mixed liquor, static ageing after stirring, obtain second and mix
Close liquid；In described second mixed liquor, drip phosphomolybdic acid and preservative, after stirring, obtain penetrating fluid,
In penetrating fluid, raw material dosage is as follows:
Preparation method the most according to claim 1, it is characterised in that described desiccant be molecular sieve, silica gel, calcium sulfate,
One or more in magnesium sulfate, sodium sulfate and calcium chloride.
Preparation method the most according to claim 1, it is characterised in that described dehydrant be ethanol, n-butyl alcohol, the tert-butyl alcohol,
One or more in acetone and glycerol.
Preparation method the most according to claim 1, it is characterised in that described solvent be carbon number be the hydrophilic of 2-8
Solvent.
Preparation method the most according to claim 1, it is characterised in that described positive esters of silicon acis is tetraethyl orthosilicate, positive silicic acid
Methyl ester or positive silicic acid propyl ester.
Preparation method the most according to claim 1, it is characterised in that also include:
Adding hydrophilic polymer in described first mixed liquor, described hydrophilic polymer is Polyethylene Glycol, polypropylene glycol, gathers
One or more in vinyl alcohol and polyglutamic acid.
Preparation method the most according to claim 6, it is characterised in that the number-average molecular weight of described hydrophilic polymer is
400～2000.
Preparation method the most according to claim 6, it is characterised in that the consumption of described hydrophilic polymer is 5～20 weights
Amount part.
9. the preparation method of a penetrating fluid, it is characterised in that comprise the following steps:
Acidity palladium salt solution, solvent and polyvinylpyrrolidone are mixed, after stirring, obtains the first mixed liquor；
Positive esters of silicon acis solution is dropped in described first mixed liquor, static ageing after stirring, obtain the second mixed liquor；
In described second mixed liquor, drip phosphomolybdic acid and preservative, after stirring, obtain penetrating fluid,
In penetrating fluid, raw material dosage is as follows:
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