CN110523258A - A kind of natural plant type formaldehyde scavenger and preparation method thereof - Google Patents
A kind of natural plant type formaldehyde scavenger and preparation method thereof Download PDFInfo
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- CN110523258A CN110523258A CN201910937444.0A CN201910937444A CN110523258A CN 110523258 A CN110523258 A CN 110523258A CN 201910937444 A CN201910937444 A CN 201910937444A CN 110523258 A CN110523258 A CN 110523258A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
Abstract
The present invention relates to go formaldehyde technical field, and in particular to arrives a kind of natural plant type formaldehyde scavenger and preparation method thereof.A kind of natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 3-5%, plant amino acid bacteriostatic agent 0.2-0.3%, propylene glycol 1-4%, surplus is water.The present invention provides a kind of natural plant type formaldehyde scavengers and preparation method thereof, pass through the interaction of persimmon tannin, plant amino acid bacteriostatic agent, propylene glycol, polyphenolic substance, stabilizer and odor neutralizer substance at least containing an amino, natural plant type formaldehyde scavenger obtained not only goes that formaldehyde performance is good, stability is good, also has the effect of antibacterial, deodorization, and except formaldehyde process is environmentally protective, secondary pollution will not be generated during removal.
Description
Technical field
The present invention relates to go formaldehyde technical field, and in particular to arrives a kind of natural plant type formaldehyde scavenger and its preparation
Method.
Background technique
Formaldehyde is irritative gas colourless, with overpowering odor, can be absorbed through respiratory tract, by the World Health Organization
It is determined as suspicious carcinogenic and causes deformed material.Formaldehyde can be in conjunction with protein, after sucking high-concentration formaldehyde, it may appear that respiratory tract
Serious stimulation and oedema, eye shouting pain, headache, can also occur bronchial asthma.Direct skin contact formaldehyde can cause dermatitis, color
Spot, necrosis；A small amount of formaldehyde is often sucked, slow poisoning can be caused, mucous hyperemia occurs, skin irritatin disease, allergic dermatitis, refers to
First angling and fragile, nail matrix finger tip pain, pregnant woman sucks for a long time may cause ewborn infant deformity, or even dead, and man is long-term
Sucking can lead to man's teratospermia, death, sexual function decline, serious to can lead to leukaemia, pneumothorax, fecundity missing,
Constitutional symptom has headache, out of strength, stomach is received poor, palpitaition, insomnia, weight loss and vegetative nervous disorder etc..With people's lives
Horizontal raising, house fitting and purchases new furniture and has become thing frequent in for people's lives.In house fitting and furniture system
Various wood-based plates, such as glued board, core-board, medium and high density fibre panel, particieboard are largely used in making.These wood-based plates
Used 90% or more adhesive is all the naval stores produced using formaldehyde as raw material, wherein inevitably there is use
Form aldehyde release problem in the process becomes the main source of formaldehyde in indoor air pollution.It shows according to statistics, the formaldehyde of wood-based plate
Burst size is up to 3-15.China city, the formaldehyde pollution in the newly-decorated household in rural area are very serious at present, and universal height is gone abroad
Family's standard several times.
The method for administering formaldehyde pollution or peculiar smell mainly has following three kinds: first is that being planted using active carbon or certain greens
Object；Second is that ventilated；Third is that using chemical agent.
The rate of adsorption of active carbon or certain green plantss is slow, and the indoor formaldehyde or peculiar smell removal to new finishing some months are not
Obviously；Since the acquisition time of formaldehyde in plate is long, peculiar smell is even more and is limited therefore to lead to by the conditions such as space, time, closed in addition
The ventilative method of wind cannot thoroughly eliminate formaldehyde pollution and peculiar smell；The third method is to select the chemistry reacted with formaldehyde or peculiar smell
Medicament is eliminated, and the high-efficient and thorough of formaldehyde or peculiar smell is eliminated, and is most quickly, is most effectively reduced formaldehyde or smell pollution
Method, but chemical formaldehyde elimination agent or eliminating smell agent are easy to bring secondary pollution, in order to create cleaning, nuisanceless, free of contamination
Living environment, therefore, it is necessary to research and develop a kind of natural plant type formaldehyde scavenger removal formaldehyde.
Summary of the invention
In order to solve the above-mentioned technical problem, the first aspect of the invention provides a kind of natural plant type formaldehyde removing
Agent, count by weight percentage, including following raw material is made: persimmon tannin 3-5%, plant amino acid bacteriostatic agent 0.2-0.3%, third
Glycol 1-4%, surplus are water.
As a preferred technical solution of the present invention, count by weight percentage, the natural plant type formaldehyde removing
The raw material of agent further includes polyphenolic substance 2-4%, the stabilizer 6-15%, odor neutralizer 4-6% at least containing an amino.
As a preferred technical solution of the present invention, the polyphenolic substance at least containing an amino is that more trainings are husky
Bright, Dopamine hydrochloride, dobutamine, 6- hydroxyl dopamine close one of hydrogen chloride, dobutamine hydrochloride or a variety of.
As a preferred technical solution of the present invention, the polyphenolic substance at least containing an amino is that more trainings are husky
Bright and Dopamine hydrochloride.
As a preferred technical solution of the present invention, the stabilizer be eucommia leaf extract, purple lythrum flower extract,
Honegsukle flower P.E, hawthorn berry extract, Dodonaea viscosa Extracts, cabbage stem extraction, cabbage leaf extract, wall fern rhizome
One of extract, Folium Ipomoea extract, fructus arctii leaf extract, Burdok root P.E are a variety of.
As a preferred technical solution of the present invention, the odor neutralizer includes pollen, jasmine and ionone.
As a preferred technical solution of the present invention, the stabilizer and odor neutralizer weight ratio are (1.5-2.5):
1。
As a preferred technical solution of the present invention, the pollen is rape pollen, apricot pollen, Flos Rosae Rugosas pollen, chrysanthemum
One of powder, Schisandra chinensis pollen, corn poppy's pollen, sunflower powder, pollen of Semen Fagopyri Esculenti, lotus powder, zasiokaurin, sesame pollen
Or it is a variety of.
As a preferred technical solution of the present invention, the pollen particles granularity is 10-50 mesh.
The second aspect of the invention provides a kind of preparation method of natural plant type formaldehyde scavenger, according to following step
Rapid preparation:
(1) water of formula ratio, turn on agitator is added；
(2) persimmon tannin, plant amino acid bacteriostatic agent, propylene glycol, the polyphenolic substance at least containing an amino, steady is added
Determine agent, odor neutralizer, stirs evenly；
(3) it is discharged with 200 mesh filter-cloth filterings.
The utility model has the advantages that the present invention provides a kind of natural plant type formaldehyde scavenger and preparation method thereof, by persimmon tannin,
Plant amino acid bacteriostatic agent, propylene glycol, the polyphenolic substance at least containing an amino, stabilizer and odor neutralizer substance
Interaction, natural plant type formaldehyde scavenger obtained not only go that formaldehyde performance is good, stability is good, also have antibacterial, deodorization
Effect, and except formaldehyde process it is environmentally protective, secondary pollution will not be generated during removal.
Specific embodiment
It is further clear, complete that the technical characteristic work in technical solution is provided to the present invention With reference to embodiment
Description, not to the limitation of its protection scope.
Word " preferred ", " preferred " in the present invention etc. refer to, can provide in some cases certain beneficial to effect
The embodiment of the present invention of fruit.However, other embodiments are also likely to be preferred under identical circumstances or in the case of other
's.In addition, do not imply that other embodiments are unavailable to the statement of one or more preferred embodiments, be also not intended to by
Other embodiments exclude except the scope of the present invention.
When a numberical range disclosed herein, above range is considered as continuously, and the minimum value including the range and most
Big value and each value between this minimum value and maximum value.Further, when range refers to integer, including the model
Each integer between minimum value and maximum value enclosed.In addition, when providing multiple range Expressive Features or characteristic, Ke Yihe
And the range.In other words, unless otherwise specified, otherwise all ranges disclosed herein are understood to include and are wherein included into
Any and all subrange.For example, should be regarded as including between minimum value 1 and maximum value 10 from the specified range of " 1 to 10 "
Any and all subrange.The Exemplary range of range 1 to 10 include but is not limited to 1 to 6.1,3.5 to 7.8,5.5 to
10 etc..
In addition, indefinite article "an" before element of the present invention or component and "one" quantitative requirement to element or component
(i.e. frequency of occurrence) unrestriction.Therefore "one" or "an" should be read as including one or at least one, and odd number
The element or component of form also include plural form, unless the obvious purport of the quantity refers to singular.
In order to solve the above-mentioned technical problem, the first aspect of the invention provides a kind of natural plant type formaldehyde removing
Agent, count by weight percentage, including following raw material is made: persimmon tannin 3-5%, plant amino acid bacteriostatic agent 0.2-0.3%, third
Glycol 1-4%, surplus are water.
In a preferred embodiment, the natural plant type formaldehyde scavenger, count by weight percentage, including with
Lower raw material is made: persimmon tannin 4%, plant amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water.
Persimmon tannin
The persimmon tannin is the one kind for being vegatable tannin, is natural polymer present in a kind of plant, belongs to
Condensed tannin.Persimmon tannin is mainly by catechin, catechin -3- gallate, Gallate catechin and Gallate catechin -3- four kinds of monomer groups of gallate
At containing many ortho position phenolic hydroxyl groups, being connected by C-4, C-5 or C-8 can be grouped to polyphenol polymer, and estimation molecular weight is
1.38×104, have the effect of deodorization, antibacterial.
Persimmon tannin in embodiment, producer: Shanghai Kun Sheng trade Co., Ltd.
Plant amino acid bacteriostatic agent
The plant amino acid bacteriostatic agent is amino acid and surfactant is deodorizing antibiotic agent made from main material, toxicity
It is low, there is extensive utilization in various fields, has the effect of formaldehyde, deodorization, antibacterial.
Plant amino acid bacteriostatic agent in embodiment, producer: Guangzhou Bo Feng Chemical Industry Science Co., Ltd, model: 1800.
Propylene glycol
The propylene glycol is colourless sticky stable water imbibition liquid, molecular formula: C3H8O2, No. CAS: 57-55-6.
In one embodiment, count by weight percentage, the raw material of the natural plant type formaldehyde scavenger also wraps
Include polyphenolic substance 2-4%, the stabilizer 6-15%, odor neutralizer 4-6% at least containing an amino.
In a preferred embodiment, count by weight percentage, the raw material of the natural plant type formaldehyde scavenger
It further include at least polyphenolic substance 3% containing an amino, stabilizer 10%, odor neutralizer 5%.
In one embodiment, the polyphenolic substance at least containing an amino is Dopexamine, hydrochloric acid DOPA
Amine, dobutamine, 6- hydroxyl dopamine close one of hydrogen chloride, dobutamine hydrochloride or a variety of.
In a preferred embodiment, the polyphenolic substance at least containing an amino is Dopexamine and salt
Sour dopamine.
In a preferred embodiment, the Dopexamine and Dopamine hydrochloride weight ratio are 1:(1-1.3).
Polyphenolic substance at least containing an amino
The polyphenolic substance at least containing an amino is the Polyphenols in molecular structure at least provided with an amino
Compound.
Dopexamine in embodiment, producer: Hangzhou Yang De Pharmaceutical Technology Co., Ltd, article No.: B189876.
Dopamine hydrochloride in embodiment, producer: Hubei Yi Kangyuan Chemical Co., Ltd., article No.: 0001.
The inventors discovered that the polyphenolic substance by addition at least containing an amino can be improved formaldehyde rate and remove
Smelly rate, possible reason are that amino can react CH with formaldehyde3C=O+NH2 -=H2O+CH3CN-, at least contain an ammonia
The addition of the polyphenolic substance of base can promote reacting for amino in plant amino acid bacteriostatic agent and formaldehyde, polyphenol compound
In phenolic hydroxyl group to CH3SH has oxidation, has deodorizing effect；Preferably the polyphenolic substance at least containing an amino is
Dopexamine and Dopamine hydrochloride, Dopexamine amino content is more, and the acidic materials that Dopamine hydrochloride has have persimmon tannin de-
The adsorptivity of the effect of water crosslinking, the persimmon tannin PARA FORMALDEHYDE PRILLS(91,95) after dehydrating condensation is more preferable, and the two synergistic effect can preferably promote ammonia
Base is reacted with formaldehyde, goes formaldehyde, deodorization and antibacterial effect more excellent.
In one embodiment, the stabilizer is eucommia leaf extract, purple lythrum flower extract, honeysuckle extraction
It is object, hawthorn berry extract, Dodonaea viscosa Extracts, cabbage stem extraction, cabbage leaf extract, wall fern rhizome extract, red
One of potato leaf extract, fructus arctii leaf extract, Burdok root P.E are a variety of.
Stabilizer
The stabilizer is the stability chemicals that can increase solution, colloid, solid, mixture, can slow down reaction,
The substance for the effects of keeping chemical balance, reducing surface tension, prevent light, thermal decomposition or oxygenolysis.
Stabilizer is eucommia leaf extract in embodiment, and the eucommia leaf extract, extraction step is as follows:
By folium cortex eucommiae in 1: the ratio of (0.9-1.1) adds water to mix thoroughly, impregnates 2-4h, is decocted 3-4 times and is filtered with water, decocted
Temperature be 95-105 DEG C, decocting time 35-45min, adjustment filtrate pH is that 5.5-7.5 extracts to get the folium cortex eucommiae
Object.
Cortex Eucommiae in embodiment, producer: Shanghai Ha Ling Biotechnology Co., Ltd, product number: 121068.
In one embodiment, the odor neutralizer includes pollen, jasmine and ionone.
In a preferred embodiment, the pollen, jasmine and ionone weight ratio are 3:1:1.
In one embodiment, the stabilizer and odor neutralizer weight ratio are (1.5-2.5): 1.
In one embodiment, the pollen is rape pollen, apricot pollen, Flos Rosae Rugosas pollen, chrysanthemum powder, Chinese magnoliavine flower
One of powder, corn poppy's pollen, sunflower powder, pollen of Semen Fagopyri Esculenti, lotus powder, zasiokaurin, sesame pollen are a variety of.
In one embodiment, the pollen particles granularity is 10-50 mesh.
Odor neutralizer
The pollen refers to the pollen that honeybee acquires out of phanerogam-nectariferous plant anther, by honeybee to inside it
Nectar and saliva is added, is mixed into irregular oblate dough.Such as required ammonia of nutritional ingredient rich in Bee Pollen
Base acid, unsaturated fatty acid, vitamin, Polyphenols and Flavonoid substances, polysaccharide isoreactivity substance, and there are many raw for Bee Pollen
Function is managed, such as anti-oxidant, anticancer reduces the effects of cholesterol and enhancing are immune.
The pollen processing step is as follows:
(1) pollen is cleaned, removes decontamination sundries, is broken into pollen particles, and carry out sterilizing；
(2) pollen particles sterilized are sieved, the particle that granularity is 10-50 mesh are taken out, by the above-mentioned of 20-30%
Pollen particles are placed in the excess base ionized water that mass fraction is 80-90%, impregnate 18-24h, then-(50-80) DEG C at it is cold
Freeze 12-14h, being added to temperature after taking-up rapidly is 85-95 DEG C, and mass fraction is in the basic ion water of 80-90%；Ultrasonication
Extract the content component in pollen, ultrasonic time 60-80min, ultrasonic power 100-120W, supersonic frequency 55-
60kHz；Again plus basic ion water carries out secondary freezing ultrasound；It is eventually adding 2-4% cellulase, pH 4-5, hydrolysis temperature is
30-38 DEG C, enzymolysis time 3.5-4.5h；
(3) 3-4h is dried at 50-60 DEG C after extracting.
The jasmine is upright or climbing shrub, and up to 3 meters, sprig cylinder or slightly flattening shape are sometimes hollow, is dredged soft
Hair, leaf is to life, and Dan Ye, blade papery, round, ellipse, ovate-elliptic or obovate, two terminal circle or blunt, base portion is sometimes micro-
Heart, above it is slightly concave enter or recessed, protruding below, thready pulse is in two sides Chang Mingxian, microprotrusion, except between following arteries and veins often with tuft
Outside, remaining is hairless；For sliver oblong to subcircular, apex is round or blunt；Fruit is spherical, is in atropurpureus；The month at florescence 5-8, fruiting period 7-9
Month.
The ionone is a kind of colourless to yellowish liquid；In warm radix aucklandiae and there is stronger violet fragrance, it is dilute
It is in orrisroot fragrance after releasing, then is mixed with ethyl alcohol, then is in violet fragrance；Not soluble in water and glycerol, be dissolved in ethyl alcohol, propylene glycol,
Most of nonvolatile oils and mineral oil.The ionone is one of α-ionone, β-ionone, γ-ionone or more
Kind.
Pollen is rape pollen, producer: Henan Ju Jiu Farming Ltd. in embodiment.
Jasmine is jasmine extract, producer: Hubei Yuancheng Saichuang Technology Co., Ltd., article No.: y2465 in embodiment.
Ionone is α-ionone, producer: Shanghai Yuan Ye Biotechnology Co., Ltd, article No.: S30279- in embodiment
100g。
The inventors discovered that formaldehyde rate, biocidal property and deodorization can be improved by the way that stabilizer and odor neutralizer is added
Rate, possible reason are that persimmon tannin contains ortho position phenolic hydroxyl group and is oxidized easily, and especially oxidation rate is significantly under alkaline condition
Accelerate, there is the stabilizer of addition anti-oxidation function persimmon tannin can be prevented to be oxidized, but the addition of stabilizer can prevent simultaneously
Polyphenolic substance causes deodorizing rate to decline the oxidation process of methyl mercaptan similar in stink, is made up by the way that odor neutralizer is added
This defect contains flavones in pollen, can not only there is the effect of lid taste, moreover it is possible to promote reacting for amino and formaldehyde, raising is gone
Formaldehyde rate, and energy scavenging activated oxygen, further increase inoxidizability；But in pollen contain other substances, as enzyme, polysaccharide and
Protein etc., glycoprotein are the antigenic substances for mainly causing allergy, and the hydrochloride in Dopamine hydrochloride can destroy glycosyl and albumen
Covalent bond between matter, ortho position phenolic hydroxyl group can promote amino acid to form aldehyde material and inhibit glycosylated reaction, energy in persimmon tannin
Inhibit pollen hypersensitivity；Jasmine has biocidal property, and ionone also has the effect of that deodorant to taste, three's synergistic effect have excellent remove
Smelly, fungistatic effect；The present inventors have additionally discovered that when stabilizer and odor neutralizer weight ratio are (1.5-2.5): when 1, go formaldehyde rate,
Biocidal property and deodorizing rate are attained by most preferably, and stabiliser content is reduced, and persimmon tannin can aoxidize, and to biocidal property and formaldehyde rate are gone to cause
It influences, odor neutralizer content is reduced, and polyphenolic substance is incomplete to oxidations such as methyl mercaptans, deodorizing effect decline, therefore is stablized
Agent and odor neutralizer optimum weight ratio are (1.5-2.5): 1.
When pollen granularity is 10-50 mesh, by the temperature difference-ultrasonic treatment obtains twice pollen particles, not only deodorizing rate is high,
And formaldehyde rate is improved, possible reason is small flavones be conducive in extraction pollen of pollen granularity etc., and other have
Imitate ingredient；First make its water suction in pollen treatment process, the cell cystite wall that sufficiently absorbs water is stretched, and then passes through the side of chilling
Formula makes cell wall is inside and outside to generate the temperature difference, formed in external force, i.e., in quenching process Outer surfaces of cell wall with temperature decline
And shrink but internal at this time or heat, therefore cell wall contraction suffers restraints and produces tensile stress, inner surface then on the contrary,
Compressed stress, and swell since cell sufficiently absorbs water, the stretching for further increasing Outer surfaces of cell wall generation is answered
The compression stress that power and inner surface are subject to is poor, is equivalent to and produces the extremely strong power of pullling to cell wall, and cell wall is made to be in one kind
Very fragile, unstable state, and ultrasonic wave is recycled to carry out broken wall treatment on this basis, ultrasonic wave is to a certain extent
Cell stimulating activity, it is internal to generate atomic small bubble and generate flowing under ultrasonic cavitation effect, it can generate certain
Fuel factor and mechanism so that cell wall inner wall further swells and generates bigger active force to cell wall so that
Cell wall rupture realizes shell-broken effect；The temperature difference-the ultrasonic treatment being repeated twice can make pollen broken wall complete, and extracting flavonoids rate is more
Height, deodorizing effect is more preferably.
By the processing to pollen, so that extracting flavonoids rate increases, the increase of flavones content can neutralize reducing agent, can prevent
Reducing agent destroys the oxidation that polyphenol compound has odorous gas to methyl mercaptan etc., improves formaldehyde rate and deodorizing rate.
In one embodiment, above-mentioned natural plant type formaldehyde scavenger the preparation method is as follows:
(1) water of formula ratio, turn on agitator is added；
(2) persimmon tannin, plant amino acid bacteriostatic agent, propylene glycol, the polyphenolic substance at least containing an amino, steady is added
Determine agent, odor neutralizer, stirs evenly；
(3) it is discharged with 200 mesh filter-cloth filterings.
The present invention is specifically described below by embodiment.It is necessarily pointed out that following embodiment is only used
In the invention will be further described, it should not be understood as limiting the scope of the invention, professional and technical personnel in the field
The some nonessential modifications and adaptations made according to the content of aforementioned present invention, still fall within protection scope of the present invention.In addition,
If raw materials used to be all commercially available without other explanations.
Embodiment
Embodiment 1
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 3%, plant
Amino acid bacteriostatic agent 0.2%, propylene glycol 1%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 2%, stabilizer 6%, odor neutralizer 4%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:1；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step are as follows:
Add water to mix thoroughly in 1: 1 ratio folium cortex eucommiae, impregnate 4h, decocted 4 times and filtered with water, the temperature of decoction is 100
DEG C, decocting time 40min, adjustment filtrate pH is 6.8 to get the eucommia leaf extract.
The odor neutralizer includes pollen, jasmine and ionone；
The stabilizer and odor neutralizer weight ratio are 1.5:1；
The pollen is rape pollen；
The pollen particles granularity is 20 mesh；
The pollen processing step is as follows:
(1) pollen is cleaned, removes decontamination sundries, is broken into pollen particles, and carry out sterilizing；
(2) pollen particles sterilized are sieved, the particle that granularity is 20 mesh are taken out, by 20% above-mentioned pollen
Grain is placed in the excess base ionized water that mass fraction is 85%, impregnates 20h, 12h is then freezed at -70 DEG C, after taking-up rapidly
Being added to temperature is 90 DEG C, in the basic ion water that mass fraction is 85%；Ultrasonication extracts the content component in pollen, surpasses
The sound time is 80min, ultrasonic power 100W, supersonic frequency 55kHz；Again plus basic ion water carries out secondary freezing ultrasound；Most
After be added 3% cellulase, pH 4.5, hydrolysis temperature is 37 DEG C, enzymolysis time 4h；
(3) 4h is dried at 60 DEG C after extracting.
Natural plant type formaldehyde scavenger the preparation method is as follows:
(1) water of formula ratio, turn on agitator is added；
(2) persimmon tannin, plant amino acid bacteriostatic agent, propylene glycol, the polyphenolic substance at least containing an amino, steady is added
Determine agent, odor neutralizer, stirs evenly；
(3) it is discharged with 200 mesh filter-cloth filterings.
Embodiment 2
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 5%, plant
Amino acid bacteriostatic agent 0.3%, propylene glycol 4%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 4%, stabilizer 15%, odor neutralizer 6%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:1.3；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
The odor neutralizer includes pollen, jasmine and ionone；
The stabilizer and odor neutralizer weight ratio are 2.5:1；
The pollen is rape pollen；
The pollen particles granularity is 20 mesh；
The pollen processing step is the same as embodiment 1；
The preparation method is the same as that of Example 1 for natural plant type formaldehyde scavenger.
Embodiment 3
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%, stabilizer 10%, odor neutralizer 5%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:1.2；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
The odor neutralizer includes pollen, jasmine and ionone；
The stabilizer and odor neutralizer weight ratio are 2:1；
The pollen is rape pollen；
The pollen particles granularity is 20 mesh；
The pollen processing step is the same as embodiment 1；
The preparation method is the same as that of Example 1 for natural plant type formaldehyde scavenger.
Comparative example 1
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes stabilizer 10%, smell
Neutralizer 5%；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
The odor neutralizer includes pollen, jasmine and ionone；
The stabilizer and odor neutralizer weight ratio are 2:1；
The pollen is rape pollen；
The pollen particles granularity is 20 mesh；
The pollen processing step is the same as embodiment 1；
Natural plant type formaldehyde scavenger the preparation method is as follows:
(1) water of formula ratio, turn on agitator is added；
(2) persimmon tannin, plant amino acid bacteriostatic agent, propylene glycol, stabilizer, odor neutralizer is added, stirs evenly；
(3) it is discharged with 200 mesh filter-cloth filterings.
Comparative example 2
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%, stabilizer 10%, odor neutralizer 5%；
The polyphenolic substance at least containing an amino is Dopexamine；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
The odor neutralizer includes pollen, jasmine and ionone；
The stabilizer and odor neutralizer weight ratio are 2:1；
The pollen is rape pollen；
The pollen particles granularity is 20 mesh；
The pollen processing step is the same as embodiment 1；
The preparation method is the same as that of Example 1 for natural plant type formaldehyde scavenger.
Comparative example 3
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%, stabilizer 10%, odor neutralizer 5%；
The polyphenolic substance at least containing an amino is Dopamine hydrochloride；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
The odor neutralizer includes pollen, jasmine and ionone；
The stabilizer and odor neutralizer weight ratio are 2:1；
The pollen is rape pollen；
The pollen particles granularity is 20 mesh；
The pollen processing step is the same as embodiment 1；
The preparation method is the same as that of Example 1 for natural plant type formaldehyde scavenger.
Comparative example 4
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%, stabilizer 10%, odor neutralizer 5%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:0.1；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
The odor neutralizer includes pollen, jasmine and ionone；
The stabilizer and odor neutralizer weight ratio are 2:1；
The pollen is rape pollen；
The pollen particles granularity is 20 mesh；
The pollen processing step is the same as embodiment 1；
The preparation method is the same as that of Example 1 for natural plant type formaldehyde scavenger.
Comparative example 5
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%, stabilizer 10%, odor neutralizer 5%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:3；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
The odor neutralizer includes pollen, jasmine and ionone；
The stabilizer and odor neutralizer weight ratio are 2:1；
The pollen is rape pollen；
The pollen particles granularity is 20 mesh；
The pollen processing step is the same as embodiment 1；
The preparation method is the same as that of Example 1 for natural plant type formaldehyde scavenger.
Comparative example 6
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:1.2；
Natural plant type formaldehyde scavenger the preparation method is as follows:
(1) water of formula ratio, turn on agitator is added；
(2) persimmon tannin, plant amino acid bacteriostatic agent, propylene glycol, the polyphenolic substance at least containing an amino is added, stirs
It mixes uniformly；
(3) it is discharged with 200 mesh filter-cloth filterings.
Comparative example 7
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%, odor neutralizer 5%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:1.2；
The odor neutralizer includes pollen, jasmine and ionone；
The pollen is rape pollen；
The pollen particles granularity is 20 mesh；
The pollen processing step is the same as embodiment 1；
Natural plant type formaldehyde scavenger the preparation method is as follows:
(1) water of formula ratio, turn on agitator is added；
(2) persimmon tannin, plant amino acid bacteriostatic agent, propylene glycol, the polyphenolic substance at least containing an amino, gas is added
Taste neutralizer, stirs evenly；
(3) it is discharged with 200 mesh filter-cloth filterings.
Comparative example 8
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%, stabilizer 10%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:1.2；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
Natural plant type formaldehyde scavenger the preparation method is as follows:
(1) water of formula ratio, turn on agitator is added；
(2) persimmon tannin, plant amino acid bacteriostatic agent, propylene glycol, the polyphenolic substance at least containing an amino, steady is added
Determine agent, stirs evenly；
(3) it is discharged with 200 mesh filter-cloth filterings.
Comparative example 9
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%, stabilizer 10%, odor neutralizer 5%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:1.2；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
The odor neutralizer includes jasmine and ionone；
The stabilizer and odor neutralizer weight ratio are 2:1；
The preparation method is the same as that of Example 1 for natural plant type formaldehyde scavenger.
Comparative example 10
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%, stabilizer 10%, odor neutralizer 5%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:1.2；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
The odor neutralizer includes pollen；
The stabilizer and odor neutralizer weight ratio are 2:1；
The pollen is rape pollen；
The pollen particles granularity is 20 mesh；
The pollen processing step is the same as embodiment 1；
The preparation method is the same as that of Example 1 for natural plant type formaldehyde scavenger.
Comparative example 11
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%, stabilizer 10%, odor neutralizer 5%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:1.2；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
The odor neutralizer includes pollen, jasmine and ionone；
The stabilizer and odor neutralizer weight ratio are 0.5:1；
The pollen is rape pollen；
The pollen particles granularity is 20 mesh；
The pollen processing step is the same as embodiment 1；
The preparation method is the same as that of Example 1 for natural plant type formaldehyde scavenger.
Comparative example 12
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%, stabilizer 10%, odor neutralizer 5%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:1.2；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
The odor neutralizer includes pollen, jasmine and ionone；
The stabilizer and odor neutralizer weight ratio are 5:1；
The pollen is rape pollen；
The pollen particles granularity is 20 mesh；
The pollen processing step is the same as embodiment 1；
The preparation method is the same as that of Example 1 for natural plant type formaldehyde scavenger.
Comparative example 13
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%, stabilizer 10%, odor neutralizer 5%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:1.2；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
The odor neutralizer includes pollen, jasmine and ionone；
The stabilizer and odor neutralizer weight ratio are 2:1；
The pollen is rape pollen；
The pollen processing step is as follows:
(1) pollen is cleaned, removes decontamination sundries, is broken into pollen particles, and carry out sterilizing；
(2) pollen particles sterilized are sieved, the particle that granularity is 20 mesh are taken out, by 20% above-mentioned pollen
Grain is placed in the excess base ionized water that mass fraction is 85%, impregnates 20h, 12h is then freezed at -70 DEG C, after taking-up rapidly
Being added to temperature is 90 DEG C, in the basic ion water that mass fraction is 85%；Ultrasonication extracts the content component in pollen, surpasses
The sound time is 80min, ultrasonic power 100W, supersonic frequency 55kHz；It is eventually adding 3% cellulase, pH 4.5, enzymatic hydrolysis
Temperature is 37 DEG C, enzymolysis time 4h；
(3) 4h is dried at 60 DEG C after extracting.
The pollen processing step is the same as embodiment 1；
The preparation method is the same as that of Example 1 for natural plant type formaldehyde scavenger.
Comparative example 14
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Count by weight percentage, the raw material of the natural plant type formaldehyde scavenger further includes at least containing an amino
Polyphenolic substance 3%, stabilizer 10%, odor neutralizer 5%；
The polyphenolic substance at least containing an amino is Dopexamine and Dopamine hydrochloride；
The Dopexamine and Dopamine hydrochloride weight ratio are 1:1.2；
The stabilizer is eucommia leaf extract；
The eucommia leaf extract, extraction step is the same as embodiment 1；
The odor neutralizer includes pollen, jasmine and ionone；
The stabilizer and odor neutralizer weight ratio are 2:1；
The pollen is rape pollen；
The pollen particles granularity is 20 mesh；
The pollen processing step is as follows:
(1) pollen is cleaned, removes decontamination sundries, is broken into pollen particles, and carry out sterilizing；
(2) pollen particles sterilized are sieved, the particle that granularity is 20 mesh are taken out, by 20% above-mentioned pollen
Grain is placed in the excess base ionized water that mass fraction is 85%, impregnates 20h, 12h is then freezed at -70 DEG C, after taking-up rapidly
Being added to temperature is 90 DEG C, in the basic ion water that mass fraction is 85%；Ultrasonication extracts the content component in pollen, surpasses
The sound time is 80min, ultrasonic power 100W, supersonic frequency 55kHz；Then plus basic ion water is repeated two more times freezing and surpasses
Sound；It is eventually adding 3% cellulase, pH 4.5, hydrolysis temperature is 37 DEG C, enzymolysis time 4h；
(3) 4h is dried at 60 DEG C after extracting.
The preparation method is the same as that of Example 1 for natural plant type formaldehyde scavenger.
Comparative example 15
Natural plant type formaldehyde scavenger, count by weight percentage, including following raw material is made: persimmon tannin 4%, plant
Amino acid bacteriostatic agent 0.25%, propylene glycol 2%, surplus are water；
Natural plant type formaldehyde scavenger the preparation method is as follows:
(1) water of formula ratio, turn on agitator is added；
(2) persimmon tannin, plant amino acid bacteriostatic agent, propylene glycol is added, stirs evenly；
(3) feeding detects, and 200 mesh filter-cloth filterings discharge after qualification.
Performance evaluation:
1. going formaldehyde performance test: referring to JC/T1074-2008；
2. bacteriostasis property is tested: referring to WS/T 650-2019；
3. deodorizing rate performance test: referring to ANSI/UL283-2008.
1 performance test of table
| Embodiment | Remove formaldehyde rate/% | Gold-coloured staphylococci sterilizing rate/% | Escherichia coli/% | Deodorizing rate/% |
| Embodiment 1 | 98.5 | 95.3 | 93.9 | 94.6 |
| Embodiment 2 | 98.9 | 95.9 | 94.4 | 95.2 |
| Embodiment 3 | 99.3 | 96.1 | 94.7 | 95.8 |
| Comparative example 1 | 82.4 | 90.4 | 89.3 | 77.6 |
| Comparative example 2 | 84.2 | 90.9 | 91 | 81.1 |
| Comparative example 3 | 83.7 | 90.8 | 90.8 | 83.4 |
| Comparative example 4 | 89.1 | 91.7 | 91.6 | 90.1 |
| Comparative example 5 | 95.3 | 93.4 | 92.9 | 93.3 |
| Comparative example 6 | 83.1 | 81.1 | 78.4 | 80.5 |
| Comparative example 7 | 84.8 | 88.7 | 87.1 | 89.2 |
| Comparative example 8 | 89.7 | 82.3 | 80.2 | 72.4 |
| Comparative example 9 | 88.6 | 88.1 | 89.3 | 73.3 |
| Comparative example 10 | 96.6 | 79 | 81.6 | 88.9 |
| Comparative example 11 | 90.9 | 95.1 | 92.2 | 93.7 |
| Comparative example 12 | 96.4 | 94.9 | 93.5 | 90.8 |
| Comparative example 13 | 87.2 | 91.5 | 90.3 | 89.1 |
| Comparative example 14 | 94.3 | 90.8 | 91.2 | 91.6 |
| Comparative example 15 | 78.5 | 80 | 77.7 | 75.3 |
As can be seen from Table 1, a kind of natural plant type formaldehyde scavenger provided by the invention have it is excellent go formaldehyde rate,
Bacteriostasis rate and deodorizing rate.
Example above-mentioned is merely illustrative, and is used to explain the present invention some features of the method.Appended right is wanted
The range as wide as possible for being intended to require to be contemplated that is sought, and embodiments as presented herein is only according to all possible implementation
The explanation of the embodiment of the combined selection of example.Therefore, the purpose of applicant is that the attached claims are not illustrated this hair
The exemplary selectional restriction of bright feature.Some numberical ranges used also include sub- model in the claims
It encloses, the variation in these ranges should also be construed to be covered by the attached claims in the conceived case.
Claims (10)
1. a kind of natural plant type formaldehyde scavenger, which is characterized in that count by weight percentage, including following raw material is made:
Persimmon tannin 3-5%, plant amino acid bacteriostatic agent 0.2-0.3%, propylene glycol 1-4%, surplus is water.
2. natural plant type formaldehyde scavenger according to claim 1, which is characterized in that count by weight percentage, described
The raw material of natural plant type formaldehyde scavenger further includes polyphenolic substance 2-4%, the stabilizer 6- at least containing an amino
15%, odor neutralizer 4-6%.
3. natural plant type formaldehyde scavenger according to claim 2, which is characterized in that described at least containing amino
Polyphenolic substance is Dopexamine, Dopamine hydrochloride, dobutamine, 6- hydroxyl dopamine conjunction hydrogen chloride, hydrochloric acid DOPA oxyphenisatin
One of amine is a variety of.
4. natural plant type formaldehyde scavenger according to claim 3, which is characterized in that described at least containing amino
Polyphenolic substance is Dopexamine and Dopamine hydrochloride.
5. natural plant type formaldehyde scavenger according to claim 2, which is characterized in that the stabilizer is folium cortex eucommiae extraction
Object, purple lythrum flower extract, Honegsukle flower P.E, hawthorn berry extract, Dodonaea viscosa Extracts, cabbage stem extraction, cabbage
One of leaf extract, wall fern rhizome extract, Folium Ipomoea extract, fructus arctii leaf extract, Burdok root P.E are more
Kind.
6. natural plant type formaldehyde scavenger according to claim 2, which is characterized in that the odor neutralizer includes flower
Powder, jasmine and ionone.
7. natural plant type formaldehyde scavenger according to claim 2, which is characterized in that the stabilizer and odor neutralizer
Weight ratio is (1.5-2.5): 1.
8. natural plant type formaldehyde scavenger according to claim 6, which is characterized in that the pollen is rape pollen, apricot
Pollen, Flos Rosae Rugosas pollen, chrysanthemum powder, Schisandra chinensis pollen, corn poppy's pollen, sunflower powder, pollen of Semen Fagopyri Esculenti, lotus powder, popcorn
One of powder, sesame pollen are a variety of.
9. natural plant type formaldehyde scavenger according to claim 6, which is characterized in that the pollen particles granularity is 10-
50 mesh.
10. a kind of preparation method of the natural plant type formaldehyde scavenger as described in any one of claim 1-9, feature exist
In preparing in accordance with the following steps:
(1) water of formula ratio, turn on agitator is added；
(2) persimmon tannin, plant amino acid bacteriostatic agent, propylene glycol, the polyphenolic substance at least containing an amino, stabilization is added
Agent, odor neutralizer, stir evenly；
(3) it is discharged with 200 mesh filter-cloth filterings.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389206A (en) * | 2020-02-26 | 2020-07-10 | 杭州魔力草环保科技有限公司 | Air purification compound agent suitable for decoration pollution and preparation method thereof |
| CN112387103A (en) * | 2020-11-24 | 2021-02-23 | 中科恩吉瑞特(烟台)科技发展有限公司 | Catechin formaldehyde scavenger and preparation method thereof |
| CN112972742A (en) * | 2021-02-23 | 2021-06-18 | 浙江思享家环保科技有限公司 | Environment-friendly plant composite extract for removing formaldehyde, decomposing peculiar smell and sterilizing and preparation thereof |
| CN113304580A (en) * | 2021-05-28 | 2021-08-27 | 虚静科技(广州)有限责任公司 | VOCs gas adsorption equipment based on persimmon tannin |
| CN113926431A (en) * | 2021-11-29 | 2022-01-14 | 苏州工业园区安泽汶环保技术有限公司 | Dopamine-containing formaldehyde-removing material and preparation method thereof |
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2019
- 2019-09-30 CN CN201910937444.0A patent/CN110523258A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389206A (en) * | 2020-02-26 | 2020-07-10 | 杭州魔力草环保科技有限公司 | Air purification compound agent suitable for decoration pollution and preparation method thereof |
| CN111389206B (en) * | 2020-02-26 | 2023-04-07 | 杭州魔力草环保科技有限公司 | Air purification compound agent suitable for being used after decoration pollution and preparation method thereof |
| CN112387103A (en) * | 2020-11-24 | 2021-02-23 | 中科恩吉瑞特(烟台)科技发展有限公司 | Catechin formaldehyde scavenger and preparation method thereof |
| CN112972742A (en) * | 2021-02-23 | 2021-06-18 | 浙江思享家环保科技有限公司 | Environment-friendly plant composite extract for removing formaldehyde, decomposing peculiar smell and sterilizing and preparation thereof |
| CN113304580A (en) * | 2021-05-28 | 2021-08-27 | 虚静科技(广州)有限责任公司 | VOCs gas adsorption equipment based on persimmon tannin |
| CN113926431A (en) * | 2021-11-29 | 2022-01-14 | 苏州工业园区安泽汶环保技术有限公司 | Dopamine-containing formaldehyde-removing material and preparation method thereof |
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