CN107362680A - A kind of cleanser for air purifier and preparation method thereof - Google Patents
A kind of cleanser for air purifier and preparation method thereof Download PDFInfo
- Publication number
- CN107362680A CN107362680A CN201710652805.8A CN201710652805A CN107362680A CN 107362680 A CN107362680 A CN 107362680A CN 201710652805 A CN201710652805 A CN 201710652805A CN 107362680 A CN107362680 A CN 107362680A
- Authority
- CN
- China
- Prior art keywords
- parts
- modified
- air purifier
- degrees celsius
- starch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/06—Aluminium; Calcium; Magnesium; Compounds thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/40—Liliopsida [monocotyledons]
- A01N65/44—Poaceae or Gramineae [Grass family], e.g. bamboo, lemon grass or citronella grass
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
- A61L9/013—Deodorant compositions containing animal or plant extracts, or vegetable material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/21—Use of chemical compounds for treating air or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
Abstract
The invention discloses a kind of cleanser for air purifier and preparation method thereof, is related to cleanser technical field, includes the raw material of following part meter：5 ~ 7 parts of 40 ~ 42 parts of 55 ~ 65 part, nanometer bacteria remover of modified bamboo pulp fiber, 35 ~ 40 parts of slow-releasing granules, 30 ~ 35 parts of expanded vermiculite, attapulgite modified 15 ~ 25 parts, 10 ~ 15 parts of mildew and insect proof agent and stabilizer.Materials safety environmental protection of the present invention, has very strong suction-operated to toxic gases such as the formaldehyde in air, toluene, dimethylbenzene, while has the function that to kill germ, is effectively improved indoor environment.
Description
Technical field
The present invention relates to cleanser technical field, and in particular to a kind of cleanser and its preparation side for air purifier
Method.
Background technology
Indoor air cleaner be realize purification of air most directly, easily instrument, with room air pollution property
Continuous change and pollution level increasing, indoor air cleaner technology also obtained rapidly developing.Purification of air at present
Device product has：It is mechanical filter formula clarifier, mechanical filter adsorption cleaning device, electrostatic purifier, anion purifier, ultraviolet
Light air purifier etc..Wherein it is required to use cleanser in mechanical filter formula clarifier and mechanical filter adsorption cleaning device,
Due to stopping aerial poisonous and harmful substance, such as formaldehyde, benzene, ammonia, sulfide, carbide etc., its molecular size and
Hydrone is approached, thus it can be stopped in atmosphere without settling, and to catch these venomous injurants, it is necessary to is corresponding
The aperture of size.
At present, there is the air purifying preparation that some are used for purifying air, or adsorbent, such as activity in the market
Charcoal and some formaldehyde scavengers based on plant extracts etc..But for these air purifying preparations, it is suitable only for
The part harmful substance in air is adsorbed, poor durability, adsorption effect is also up for further improving.
The content of the invention
It is an object of the invention to provide a kind of cleanser for air purifier and preparation method thereof, materials safety ring
Protect, there is very strong suction-operated to toxic gases such as the formaldehyde in air, toluene, dimethylbenzene, while have and kill germ
Effect, is effectively improved indoor environment, and durability and clean-up effect are preferable, effectively protects the health of people.
The invention provides following technical scheme：A kind of cleanser for air purifier, including following part meter
Raw material：
Modified 40 ~ 42 parts of 55 ~ 65 part, nanometer bacteria remover of bamboo pulp fiber, 35 ~ 40 parts of slow-releasing granules, 30 ~ 35 parts of expanded vermiculite, change
Property 5 ~ 7 parts of 15 ~ 25 parts of attapulgite, 10 ~ 15 parts of mildew and insect proof agent and stabilizer；
Slow-releasing granules include the raw material of following part meter：14 ~ 16 parts of plants essential oil, 14 ~ 16 parts of modified corn starch, rosin resin 10
8 ~ 10 parts of ~ 12 parts, 10 ~ 12 parts of herbal powder and expanded perlite；
The modified corn starch includes the raw material of following part meter：4 ~ 6 parts of oxidised maize starch, 2 ~ 3 parts of amido silicon oil, modification are swollen
4 ~ 6 parts of 2 ~ 3 parts of profit soil, 1 ~ 2 part of sodium ethylene diamine tetracetate, 1 ~ 2 part of sodium trimetaphosphate and water.
Wherein, the modified bamboo pulp fiber includes the raw material of following part meter：25 ~ 27 parts of bamboo pulp fiber, hydrogenperoxide steam generator
7 ~ 9 parts of 14 ~ 16 parts, 14 ~ 16 parts of sodium periodate solution, 10 ~ 14 parts of chitosan and sericin.
Wherein, the preparation method of the modified bamboo pulp fiber is：Bamboo pulp fiber is weighed to add in sodium periodate solution, with
150 ~ 200r/min rotating speed stirs 10 ~ 20min, then adds acid solution and adjusts to neutrality, sequentially adds chitosan, silk gum egg
White and hydrogenperoxide steam generator, 1 ~ 2h is ultrasonically treated, is filtrated to get filter residue, filter residue is put into baking oven, the modification is obtained after drying
Bamboo pulp fiber.
Wherein, the nanometer bacteria remover is nano titanium oxide, nano silicon, nano aluminium oxide and nano zine oxide
In one or more, the granularity of the nano antibacterial agent is 60 ~ 70nm.
Wherein, the expanded vermiculite is respectively at 300 ~ 400 degrees Celsius, 400 ~ 500 degrees Celsius, 500 ~ 600 degrees Celsius
Three temperature section calcinings form the composition of expanded vermiculite.
Wherein, the preparation method of the oxidised maize starch is：Cornstarch is weighed to add in the water of 3 ~ 4 times of parts by weight,
45 ~ 50 degrees Celsius are warming up to, is dispersed with stirring to obtain starch emulsion, then adds the hydroxide for accounting for cornstarch quality 0.2 ~ 0.3%
Then sodium, 15 ~ 25min of stirring reaction add the potassium permanganate progress first time oxidation for accounting for cornstarch quality 2 ~ 3%, stirring is anti-
10 ~ 15min is answered, second of the oxidation of dilute sulfuric acid progress for accounting for cornstarch quality 3.5 ~ 4% is then added, finally to starch emulsion
Filtered, washed, dehydrating to obtain oxidised maize starch.
Wherein, the method for preparing modified bentonite is：Bentonite is put into boric acid aqueous solution, with 300 ~ 400r/
Min rotating speed mixes 40 ~ 50min, filtering, retains filter residue and is washed to pH value as 7, after then filter residue is dried 100 ~
30 ~ 40min is calcined under 300 degrees celsius, obtains the modified alta-mud.
Wherein, the attapulgite modified preparation method is：After taking attapulgite broken, with equivalent to its parts by weight 4 ~
5% imidazoline, 2 ~ 3% vitamin C, 1 ~ 2% triacetin mix, under 300 ~ 400 degrees celsius sinter 1 ~
2h, then add suitable quantity of water, stir, into suspension and drying process, cross 100 ~ 120 mesh sieves, obtain attapulgite modified.
Wherein, the herbal powder includes the raw material of following part meter：1 ~ 2 part of peppermint, 1 ~ 2 part of folium eucalypti, 1 ~ 2 part of Chinese cassia tree,
0.8 ~ 1.2 part of fernleaf hedge bamboo, 0.8 ~ 1.2 part of pomegranate leaf, epipremnum aureum spend 0.6 ~ 0.8 part, 0.6 ~ 0.8 part of marigold, tuberose 0.4 ~ 0.6
0.2 ~ 0.4 part of part, 0.4 ~ 0.6 part of the fruit of a cubeb litsea tree, 0.2 ~ 0.4 part of the bark of official magnolia and honeysuckle, by aforementioned base materials co-grinding, cross 400 ~
500 mesh sieves, obtain herbal powder, and the mildew and insect proof agent is Lepiota brunneoincarnata powder fleece-flower root rattan powder according to 4 ~ 6：1
Ratio be mixed, described stabilizer is sodium acid carbonate or sodium dihydrogen phosphate, and the plants essential oil is refined jasmine oil, lemon
One or more in essential oil, violet essential, lily essential oil and thyme essential oil.
The present invention also provides a kind of preparation method of the cleanser for air purifier, comprises the following steps：
（1）, prepare modified corn starch
Weigh sodium ethylene diamine tetracetate and oxidised maize starch, be added to the water under 55 ~ 65 degrees celsius dissolve by heating 10 ~
30min, it is cooled to 24 ~ 28 degrees Celsius and obtains starch milk；
Weigh modified alta-mud to add in foregoing obtained starch milk, add sodium trimetaphosphate, taken the photograph after well mixed 55 ~ 65
25 ~ 30min is reacted under the conditions of family name's degree, then adds amido silicon oil, is well mixed, obtains modified starch slurry, then pass through and wash,
It is dehydrated and dries, obtains the modified corn starch；
（2）, prepare slow-releasing granules
Plants essential oil, herbal powder and expanded perlite are weighed, is added in seed-coating machine, keeping temperature is 80 ~ 100 degrees Celsius
Stir, obtain mixed material, then seed-coating machine one end spray water soaks mixed material, other end sprinkling step（1）'s
Modified corn starch and rosin resin, and 30~50min is stirred continuously, after cooling, take out, obtain slow-releasing granules, it is standby；
（3）, slow-releasing granules are mixed with surplus stock, after being uniformly dispersed, be put into spray water in comminutor and be granulated, obtain described be used for
The cleanser of air purifier.
Beneficial effects of the present invention：Materials safety environmental protection, has to toxic gases such as the formaldehyde in air, toluene, dimethylbenzene
Have very strong suction-operated, at the same have the function that kill germ, be effectively improved indoor environment, durability and clean-up effect compared with
It is good, the health of people is effectively protected, it is specific as follows：
（1）, the present invention in the feed add Lepiota brunneoincarnata powder fleece-flower root rattan powder, mildew and insect proof agent is made, for driving
Worm moth is caught up with, the probability of the egg reproduction in clarifier such as worm moth can be effectively reduced, so as to substantially reduce the growth rate of insect, is entered
One step plays a part of antibacterial bacteriostatic；
（2）, the present invention using absorption and photocatalytic degradation double action, nanometer bacteria remover carry out photocatalytic degradation, can be with sky
Harmful poisonous gas effect, occurs oxidation reaction, harmful substance is converted to harmless material, had in strong oxidation air in gas
Evil makes microorganism dead, the bacterium such as gold-coloured staphylococci, Escherichia coli effectively in killing air, purifies air, antibacterial bacteriostatic；
Modified bamboo pulp fiber, expanded vermiculite and attapulgite modified, can be to harmful chemicals such as sulfide, hydride, methanol, benzene, phenol
Material plays absorption；
（3）, the modification bamboo pulp fiber that adds in the feed of the present invention, using chitosan, sericin, hydrogenperoxide steam generator and height
Sodium iodide solution is modified to bamboo pulp fiber, plays antibacterial effect；
（4）, the present invention add slow-releasing granules in the feed, using expanded perlite as carrier loaded plants essential oil and Chinese herbal medicine
Powder, coated using modified corn starch and rosin resin, play slow releasing function, plants essential oil plays flavouring and removes peculiar smell
Effect, herbal powder play a role in health care.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.These embodiments are merely to illustrate the present invention and not had to
In limitation the scope of the present invention.
Embodiment 1
A kind of cleanser for air purifier, include the raw material of following part meter：
40 parts of 55 part, nanometer bacteria remover of modified bamboo pulp fiber, 35 parts of slow-releasing granules, 30 parts of expanded vermiculite, attapulgite modified 15
5 parts of part, 10 parts of mildew and insect proof agent and stabilizer；
Slow-releasing granules include the raw material of following part meter：14 parts of plants essential oil, 14 parts of modified corn starch, 10 parts of rosin resin, in
8 parts of 10 parts of herbal powder and expanded perlite；
The modified corn starch includes the raw material of following part meter：4 parts of oxidised maize starch, 2 parts of amido silicon oil, modified alta-mud
4 parts of 2 parts, 1 part of sodium ethylene diamine tetracetate, 1 part of sodium trimetaphosphate and water.
Wherein, the modified bamboo pulp fiber includes the raw material of following part meter：25 parts of bamboo pulp fiber, hydrogenperoxide steam generator 14
Part, 14 parts of sodium periodate solution, 10 parts of chitosan and 7 parts of sericin.
Wherein, the preparation method of the modified bamboo pulp fiber is：Bamboo pulp fiber is weighed to add in sodium periodate solution, with
150r/min rotating speed stirring 10min, then adds acid solution and adjusts to neutrality, sequentially add chitosan, sericin and mistake
Hydrogen peroxide solution, 1h is ultrasonically treated, is filtrated to get filter residue, filter residue is put into baking oven, the modified bamboo pulp fiber is obtained after drying.
Wherein, the nanometer bacteria remover is nano silicon, and the granularity of the nano antibacterial agent is 60nm.
Wherein, the expanded vermiculite is forges in 300 degrees Celsius, 400 degrees Celsius, 500 degrees Celsius of three temperature sections respectively
Burn the composition into expanded vermiculite.
Wherein, the preparation method of the oxidised maize starch is：Weigh cornstarch to add in the water of 3 times of parts by weight, rise
Temperature is dispersed with stirring to obtain starch emulsion to 45 degrees Celsius, then adds the sodium hydroxide for accounting for cornstarch quality 0.2%, and stirring is anti-
15min is answered, then adds the potassium permanganate progress first time oxidation for accounting for cornstarch quality 2%, stirring reaction 10min, Ran Houjia
The dilute sulfuric acid for entering to account for cornstarch quality 3.5% carries out second of oxidation, and finally starch emulsion is filtered, washed, is dehydrated and does
It is dry to obtain oxidised maize starch.
Wherein, the method for preparing modified bentonite is：Bentonite is put into boric acid aqueous solution, with 300r/min's
Rotating speed mixes 40min, and filtering, it is 7 to retain filter residue and be washed to pH value, in 100 degrees Celsius of bars after then filter residue is dried
30min is calcined under part, obtains the modified alta-mud.
Wherein, the attapulgite modified preparation method is：After taking attapulgite broken, and equivalent to its parts by weight 4%
Imidazoline, 2% vitamin C, 1% triacetin mix, sinter 1h under 300 degrees celsius, then add suitable quantity of water,
Stir, into suspension and drying process, cross 100 mesh sieves, obtain attapulgite modified.
Wherein, the herbal powder includes the raw material of following part meter：1 part of peppermint, 1 part of folium eucalypti, 1 part of Chinese cassia tree, fernleaf hedge bamboo
0.8 part, 0.8 part of pomegranate leaf, epipremnum aureum spend 0.6 part, 0.6 part of marigold, 0.4 part of tuberose, 0.4 part of the fruit of a cubeb litsea tree, 0.2 part of the bark of official magnolia and
0.2 part of honeysuckle, by aforementioned base materials co-grinding, 400 mesh sieves are crossed, obtain herbal powder, the mildew and insect proof agent is that meat is brown
Squama handle mushroom powder end fleece-flower root rattan powder is according to 4：1 ratio is mixed, and described stabilizer is sodium acid carbonate, the plant
Essential oil is refined jasmine oil.
A kind of preparation method of the cleanser for air purifier is also provided in the present embodiment, comprised the following steps：
（1）, prepare modified corn starch
Sodium ethylene diamine tetracetate and oxidised maize starch are weighed, is added to the water and dissolves by heating 10min under 55 degrees celsius, is dropped
Warm to 24 degrees Celsius obtain starch milk；
Weigh modified alta-mud to add in foregoing obtained starch milk, add sodium trimetaphosphate, it is Celsius 55 after being well mixed
25min is reacted under the conditions of degree, then adds amido silicon oil, is well mixed, obtains modified starch slurry, then by washing, dehydration
And drying, obtain the modified corn starch；
（2）, prepare slow-releasing granules
Plants essential oil, herbal powder and expanded perlite are weighed, is added in seed-coating machine, keeping temperature is 80 degrees Celsius of stirrings
Uniformly, mixed material is obtained, then seed-coating machine one end spray water soaks mixed material, other end sprinkling step（1）Modification
Cornstarch and rosin resin, and 30min is stirred continuously, after cooling, take out, obtain slow-releasing granules, it is standby；
（3）, slow-releasing granules are mixed with surplus stock, after being uniformly dispersed, be put into spray water in comminutor and be granulated, obtain described be used for
The cleanser of air purifier.
Embodiment 2
A kind of cleanser for air purifier, include the raw material of following part meter：
42 parts of 65 part, nanometer bacteria remover of modified bamboo pulp fiber, 40 parts of slow-releasing granules, 35 parts of expanded vermiculite, attapulgite modified 25
7 parts of part, 15 parts of mildew and insect proof agent and stabilizer；
Slow-releasing granules include the raw material of following part meter：16 parts of plants essential oil, 16 parts of modified corn starch, 12 parts of rosin resin, in
10 parts of 12 parts of herbal powder and expanded perlite；
The modified corn starch includes the raw material of following part meter：6 parts of oxidised maize starch, 3 parts of amido silicon oil, modified alta-mud
6 parts of 3 parts, 2 parts of sodium ethylene diamine tetracetate, 2 parts of sodium trimetaphosphate and water.
Wherein, the modified bamboo pulp fiber includes the raw material of following part meter：27 parts of bamboo pulp fiber, hydrogenperoxide steam generator 16
Part, 16 parts of sodium periodate solution, 14 parts of chitosan and 9 parts of sericin.
Wherein, the preparation method of the modified bamboo pulp fiber is：Bamboo pulp fiber is weighed to add in sodium periodate solution, with
200r/min rotating speed stirring 20min, then adds acid solution and adjusts to neutrality, sequentially add chitosan, sericin and mistake
Hydrogen peroxide solution, 2h is ultrasonically treated, is filtrated to get filter residue, filter residue is put into baking oven, the modified bamboo pulp fiber is obtained after drying.
Wherein, the nanometer bacteria remover is nano titanium oxide, and the granularity of the nano antibacterial agent is 70nm.
Wherein, the expanded vermiculite is forges in 400 degrees Celsius, 500 degrees Celsius, 600 degrees Celsius of three temperature sections respectively
Burn the composition into expanded vermiculite.
Wherein, the preparation method of the oxidised maize starch is：Weigh cornstarch to add in the water of 4 times of parts by weight, rise
Temperature is dispersed with stirring to obtain starch emulsion to 50 degrees Celsius, then adds the sodium hydroxide for accounting for cornstarch quality 0.3%, and stirring is anti-
25min is answered, then adds the potassium permanganate progress first time oxidation for accounting for cornstarch quality 3%, stirring reaction 15min, Ran Houjia
The dilute sulfuric acid for entering to account for cornstarch quality 4% carries out second of oxidation, and finally starch emulsion is filtered, wash, dehydrated
Obtain oxidised maize starch.
Wherein, the method for preparing modified bentonite is：Bentonite is put into boric acid aqueous solution, with 400r/min's
Rotating speed mixes 50min, and filtering, it is 7 to retain filter residue and be washed to pH value, in 300 degrees Celsius of bars after then filter residue is dried
40min is calcined under part, obtains the modified alta-mud.
Wherein, the attapulgite modified preparation method is：After taking attapulgite broken, and equivalent to its parts by weight 5%
Imidazoline, 3% vitamin C, 2% triacetin mix, sinter 2h under 400 degrees celsius, then add suitable quantity of water,
Stir, into suspension and drying process, cross 120 mesh sieves, obtain attapulgite modified.
Wherein, the herbal powder includes the raw material of following part meter：2 parts of peppermint, 2 parts of folium eucalypti, 2 parts of Chinese cassia tree, fernleaf hedge bamboo
1.2 parts, 1.2 parts of pomegranate leaf, epipremnum aureum spend 0.8 part, 0.8 part of marigold, 0.6 part of tuberose, 0.6 part of the fruit of a cubeb litsea tree, 0.4 part of the bark of official magnolia and
0.4 part of honeysuckle, by aforementioned base materials co-grinding, 500 mesh sieves are crossed, obtain herbal powder, the mildew and insect proof agent is that meat is brown
Squama handle mushroom powder end fleece-flower root rattan powder is according to 6：1 ratio is mixed, and described stabilizer is sodium dihydrogen phosphate, the plant
Thing essential oil is lemon.
A kind of preparation method of the cleanser for air purifier is also provided in the present embodiment, comprised the following steps：
（1）, prepare modified corn starch
Sodium ethylene diamine tetracetate and oxidised maize starch are weighed, is added to the water and dissolves by heating 30min under 65 degrees celsius, is dropped
Warm to 28 degrees Celsius obtain starch milk；
Weigh modified alta-mud to add in foregoing obtained starch milk, add sodium trimetaphosphate, it is Celsius 65 after being well mixed
30min is reacted under the conditions of degree, then adds amido silicon oil, is well mixed, obtains modified starch slurry, then by washing, dehydration
And drying, obtain the modified corn starch；
（2）, prepare slow-releasing granules
Plants essential oil, herbal powder and expanded perlite are weighed, is added in seed-coating machine, keeping temperature is 100 degrees Celsius and stirred
Mix uniformly, obtain mixed material, then seed-coating machine one end spray water soaks mixed material, other end sprinkling step（1）Change
Property cornstarch and rosin resin, and be stirred continuously 50min, after cooling, take out, obtain slow-releasing granules, it is standby；
（3）, slow-releasing granules are mixed with surplus stock, after being uniformly dispersed, be put into spray water in comminutor and be granulated, obtain described be used for
The cleanser of air purifier.
Embodiment 3
A kind of cleanser for air purifier, include the raw material of following part meter：
41 parts of 60 part, nanometer bacteria remover of modified bamboo pulp fiber, 37 parts of slow-releasing granules, 32 parts of expanded vermiculite, attapulgite modified 20
6 parts of part, 12 parts of mildew and insect proof agent and stabilizer；
Slow-releasing granules include the raw material of following part meter：15 parts of plants essential oil, 15 parts of modified corn starch, 11 parts of rosin resin, in
9 parts of 11 parts of herbal powder and expanded perlite；
The modified corn starch includes the raw material of following part meter：5 parts of oxidised maize starch, 2.5 parts of amido silicon oil, bentone
5 parts of 2.5 parts of soil, 1.5 parts of sodium ethylene diamine tetracetate, 1.5 parts of sodium trimetaphosphate and water.
Wherein, the modified bamboo pulp fiber includes the raw material of following part meter：26 parts of bamboo pulp fiber, hydrogenperoxide steam generator 15
Part, 15 parts of sodium periodate solution, 12 parts of chitosan and 8 parts of sericin.
Wherein, the preparation method of the modified bamboo pulp fiber is：Bamboo pulp fiber is weighed to add in sodium periodate solution, with
175r/min rotating speed stirring 15min, then adds acid solution and adjusts to neutrality, sequentially add chitosan, sericin and mistake
Hydrogen peroxide solution, 1.5h is ultrasonically treated, is filtrated to get filter residue, filter residue is put into baking oven, it is fine that the modified bamboo pulp is obtained after drying
Dimension.
Wherein, the nanometer bacteria remover is nano aluminium oxide, and the granularity of the nano antibacterial agent is 65nm.
Wherein, the expanded vermiculite is forges in 350 degrees Celsius, 450 degrees Celsius, 550 degrees Celsius of three temperature sections respectively
Burn the composition into expanded vermiculite.
Wherein, the preparation method of the oxidised maize starch is：Weigh cornstarch to add in the water of 4 times of parts by weight, rise
Temperature is dispersed with stirring to obtain starch emulsion to 47 degrees Celsius, then adds the sodium hydroxide for accounting for cornstarch quality 0.3%, and stirring is anti-
20min is answered, then adds the potassium permanganate progress first time oxidation for accounting for cornstarch quality 2%, stirring reaction 12min, Ran Houjia
The dilute sulfuric acid for entering to account for cornstarch quality 4% carries out second of oxidation, and finally starch emulsion is filtered, wash, dehydrated
Obtain oxidised maize starch.
Wherein, the method for preparing modified bentonite is：Bentonite is put into boric acid aqueous solution, with 350r/min's
Rotating speed mixes 45min, and filtering, it is 7 to retain filter residue and be washed to pH value, in 200 degrees Celsius of bars after then filter residue is dried
35min is calcined under part, obtains the modified alta-mud.
Wherein, the attapulgite modified preparation method is：After taking attapulgite broken, and equivalent to its parts by weight 5%
Imidazoline, 2% vitamin C, 2% triacetin mix, sinter 1.5h under 350 degrees celsius, then add appropriate
Water, stir, into suspension and drying process, cross 110 mesh sieves, obtain attapulgite modified.
Wherein, the herbal powder includes the raw material of following part meter：1.5 parts of peppermint, 1.5 parts of folium eucalypti, 1.5 parts of Chinese cassia tree,
1 part of fernleaf hedge bamboo, 1 part of pomegranate leaf, epipremnum aureum spend 0.7 part, 0.7 part of marigold, 0.5 part of tuberose, 0.5 part of the fruit of a cubeb litsea tree, 0.3 part of the bark of official magnolia
With 0.3 part of honeysuckle, by aforementioned base materials co-grinding, 450 mesh sieves are crossed, obtain herbal powder, the mildew and insect proof agent is meat
Lepiota helveola powder fleece-flower root rattan powder is according to 5：1 ratio is mixed, and described stabilizer is sodium acid carbonate, the plant
Thing essential oil is lily essential oil.
A kind of preparation method of the cleanser for air purifier is also provided in the present embodiment, comprised the following steps：
（1）, prepare modified corn starch
Sodium ethylene diamine tetracetate and oxidised maize starch are weighed, is added to the water and dissolves by heating 20min under 60 degrees celsius, is dropped
Warm to 26 degrees Celsius obtain starch milk；
Weigh modified alta-mud to add in foregoing obtained starch milk, add sodium trimetaphosphate, it is Celsius 60 after being well mixed
27min is reacted under the conditions of degree, then adds amido silicon oil, is well mixed, obtains modified starch slurry, then by washing, dehydration
And drying, obtain the modified corn starch；
（2）, prepare slow-releasing granules
Plants essential oil, herbal powder and expanded perlite are weighed, is added in seed-coating machine, keeping temperature is 90 degrees Celsius of stirrings
Uniformly, mixed material is obtained, then seed-coating machine one end spray water soaks mixed material, other end sprinkling step（1）Modification
Cornstarch and rosin resin, and 40min is stirred continuously, after cooling, take out, obtain slow-releasing granules, it is standby；
（3）, slow-releasing granules are mixed with surplus stock, after being uniformly dispersed, be put into spray water in comminutor and be granulated, obtain described be used for
The cleanser of air purifier.
The present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, its according to
The technical scheme described in foregoing embodiments can so be modified, or which part technical characteristic is equally replaced
Change.Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention
Protection domain within.
Claims (10)
1. a kind of cleanser for air purifier, it is characterised in that include the raw material of following part meter：Modified bamboo pulp fiber 55
~ 65 40 ~ 42 parts of part, nanometer bacteria removers, 35 ~ 40 parts of slow-releasing granules, 30 ~ 35 parts of expanded vermiculite, it is attapulgite modified 15 ~ 25 parts,
5 ~ 7 parts of 10 ~ 15 parts of mildew and insect proof agent and stabilizer；
Slow-releasing granules include the raw material of following part meter：14 ~ 16 parts of plants essential oil, 14 ~ 16 parts of modified corn starch, rosin resin 10
8 ~ 10 parts of ~ 12 parts, 10 ~ 12 parts of herbal powder and expanded perlite；
The modified corn starch includes the raw material of following part meter：4 ~ 6 parts of oxidised maize starch, 2 ~ 3 parts of amido silicon oil, modification are swollen
4 ~ 6 parts of 2 ~ 3 parts of profit soil, 1 ~ 2 part of sodium ethylene diamine tetracetate, 1 ~ 2 part of sodium trimetaphosphate and water.
2. the cleanser according to claim 1 for air purifier, it is characterised in that the modified bamboo pulp fiber bag
Include the raw material of following part meter：25 ~ 27 parts of bamboo pulp fiber, 14 ~ 16 parts of hydrogenperoxide steam generator, 14 ~ 16 parts of sodium periodate solution, shell gather
7 ~ 9 parts of 10 ~ 14 parts of sugar and sericin.
3. the cleanser according to claim 2 for air purifier, it is characterised in that the modified bamboo pulp fiber
Preparation method is：Weigh bamboo pulp fiber to add in sodium periodate solution, 10 ~ 20min is stirred with 150 ~ 200r/min rotating speed, so
Acid solution is added afterwards to adjust to neutrality, is sequentially added chitosan, sericin and hydrogenperoxide steam generator, is ultrasonically treated 1 ~ 2h, mistake
Filter obtains filter residue, and filter residue is put into baking oven, the modified bamboo pulp fiber is obtained after drying.
4. the cleanser according to claim 1 for air purifier, it is characterised in that the nanometer bacteria remover is to receive
One or more in rice titanium dioxide, nano silicon, nano aluminium oxide and nano zine oxide, the nano antibacterial agent
Granularity is 60 ~ 70nm.
5. the cleanser according to claim 1 for air purifier, it is characterised in that the expanded vermiculite is difference
The combination of expanded vermiculite is formed in 300 ~ 400 degrees Celsius, 400 ~ 500 degrees Celsius, 500 ~ 600 degrees Celsius of three temperature section calcinings
Thing.
6. the cleanser according to claim 1 for air purifier, it is characterised in that the oxidised maize starch
Preparation method is：Weigh cornstarch to add in the water of 3 ~ 4 times of parts by weight, be warming up to 45 ~ 50 degrees Celsius, be dispersed with stirring and formed sediment
Powder emulsion, the sodium hydroxide for accounting for cornstarch quality 0.2 ~ 0.3% is then added, 15 ~ 25min of stirring reaction, then adds and accounts for jade
The potassium permanganate of rice starch quality 2 ~ 3% carries out first time oxidation, 10 ~ 15min of stirring reaction, then adds and accounts for cornstarch matter
The dilute sulfuric acid for measuring 3.5 ~ 4% carries out second of oxidation, and finally starch emulsion is filtered, washed, dehydrates to obtain oxidation jade
Rice starch.
7. the cleanser according to claim 1 for air purifier, it is characterised in that the system of the modified alta-mud
Preparation Method is：Bentonite is put into boric acid aqueous solution, 40 ~ 50min is mixed with 300 ~ 400r/min rotating speed, filtered,
It is 7 to retain filter residue and be washed to pH value, calcines 30 ~ 40min after then filter residue is dried under 100 ~ 300 degrees celsius, obtains
To the modified alta-mud.
8. the cleanser according to claim 1 for air purifier, it is characterised in that described attapulgite modified
Preparation method is：After taking attapulgite broken, with the imidazoline equivalent to its parts by weight 4 ~ 5%, 2 ~ 3% vitamin C, 1 ~ 2%
Triacetin is mixed, and 1 ~ 2h is sintered under 300 ~ 400 degrees celsius, then adds suitable quantity of water, stirs, into suspension simultaneously
Drying process, 100 ~ 120 mesh sieves are crossed, are obtained attapulgite modified.
9. the cleanser according to claim 1 for air purifier, it is characterised in that the herbal powder includes
The raw material of following part meter：1 ~ 2 part of peppermint, 1 ~ 2 part of folium eucalypti, 1 ~ 2 part of Chinese cassia tree, 0.8 ~ 1.2 part of fernleaf hedge bamboo, 0.8 ~ 1.2 part of pomegranate leaf,
Epipremnum aureum spend 0.6 ~ 0.8 part, 0.6 ~ 0.8 part of marigold, 0.4 ~ 0.6 part of tuberose, 0.4 ~ 0.6 part of the fruit of a cubeb litsea tree, 0.2 ~ 0.4 part of the bark of official magnolia
With 0.2 ~ 0.4 part of honeysuckle, by aforementioned base materials co-grinding, 400 ~ 500 mesh sieves are crossed, obtain herbal powder, it is described mould proof anti-
Worm agent is Lepiota brunneoincarnata powder fleece-flower root rattan powder according to 4 ~ 6：1 ratio is mixed, and described stabilizer is carbonic acid
Hydrogen sodium or sodium dihydrogen phosphate, the plants essential oil are refined jasmine oil, lemon, violet essential, lily essential oil and thyme
One or more in essential oil.
10. a kind of preparation method of cleanser for air purifier according to any one of claim 1 ~ 9, its feature
It is, comprises the following steps：
（1）, prepare modified corn starch
Weigh sodium ethylene diamine tetracetate and oxidised maize starch, be added to the water under 55 ~ 65 degrees celsius dissolve by heating 10 ~
30min, it is cooled to 24 ~ 28 degrees Celsius and obtains starch milk；
Weigh modified alta-mud to add in foregoing obtained starch milk, add sodium trimetaphosphate, taken the photograph after well mixed 55 ~ 65
25 ~ 30min is reacted under the conditions of family name's degree, then adds amido silicon oil, is well mixed, obtains modified starch slurry, then pass through and wash,
It is dehydrated and dries, obtains the modified corn starch；
（2）, prepare slow-releasing granules
Plants essential oil, herbal powder and expanded perlite are weighed, is added in seed-coating machine, keeping temperature is 80 ~ 100 degrees Celsius
Stir, obtain mixed material, then seed-coating machine one end spray water soaks mixed material, other end sprinkling step（1）'s
Modified corn starch and rosin resin, and 30~50min is stirred continuously, after cooling, take out, obtain slow-releasing granules, it is standby；
（3）, slow-releasing granules are mixed with surplus stock, after being uniformly dispersed, be put into spray water in comminutor and be granulated, obtain described be used for
The cleanser of air purifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652805.8A CN107362680A (en) | 2017-08-02 | 2017-08-02 | A kind of cleanser for air purifier and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652805.8A CN107362680A (en) | 2017-08-02 | 2017-08-02 | A kind of cleanser for air purifier and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107362680A true CN107362680A (en) | 2017-11-21 |
Family
ID=60309851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710652805.8A Withdrawn CN107362680A (en) | 2017-08-02 | 2017-08-02 | A kind of cleanser for air purifier and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107362680A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812225A (en) * | 2017-11-30 | 2018-03-20 | 安徽扬子生物科技有限公司 | A kind of indoor air purification agent of pure plant extracts |
| CN107930334A (en) * | 2017-11-28 | 2018-04-20 | 芜湖上水源环保科技有限公司 | A kind of composite material and preparation method thereof of high-efficient purification room air |
| CN108295654A (en) * | 2018-02-07 | 2018-07-20 | 合肥华盖生物科技有限公司 | A kind of plant source indoor air purification agent and preparation method thereof |
| CN108295822A (en) * | 2018-03-12 | 2018-07-20 | 合肥同佑电子科技有限公司 | A kind of factory's pollution discharge pond water quality cleansing agent and preparation method thereof |
| CN108339396A (en) * | 2018-04-02 | 2018-07-31 | 合肥博之泰电子科技有限公司 | A kind of cleansing composition of air purifier and preparation method thereof |
| CN108479733A (en) * | 2018-04-30 | 2018-09-04 | 段宝荣 | A kind of environmental protection, high efficiency air purifying preparation and preparation method thereof |
| CN108607340A (en) * | 2018-04-30 | 2018-10-02 | 段宝荣 | A kind of air purifying preparation and preparation method thereof |
| CN110280216A (en) * | 2019-07-03 | 2019-09-27 | 兰州工业学院 | A kind of air purification nano-material and preparation method thereof |
| CN111567554A (en) * | 2020-06-17 | 2020-08-25 | 成都市图腾环保科技有限公司 | Synthetic runway surface disinfectant, preparation method thereof and synthetic runway surface disinfection method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069526A (en) * | 2014-07-09 | 2014-10-01 | 周振坤 | Attapulgite particle air purification agent and preparation method thereof |
| CN106732427A (en) * | 2016-12-29 | 2017-05-31 | 吴中区穹窿山德毅新材料技术研究所 | A kind of Modified air cleanser and preparation method thereof |
-
2017
- 2017-08-02 CN CN201710652805.8A patent/CN107362680A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069526A (en) * | 2014-07-09 | 2014-10-01 | 周振坤 | Attapulgite particle air purification agent and preparation method thereof |
| CN106732427A (en) * | 2016-12-29 | 2017-05-31 | 吴中区穹窿山德毅新材料技术研究所 | A kind of Modified air cleanser and preparation method thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107930334A (en) * | 2017-11-28 | 2018-04-20 | 芜湖上水源环保科技有限公司 | A kind of composite material and preparation method thereof of high-efficient purification room air |
| CN107812225A (en) * | 2017-11-30 | 2018-03-20 | 安徽扬子生物科技有限公司 | A kind of indoor air purification agent of pure plant extracts |
| CN108295654A (en) * | 2018-02-07 | 2018-07-20 | 合肥华盖生物科技有限公司 | A kind of plant source indoor air purification agent and preparation method thereof |
| CN108295822A (en) * | 2018-03-12 | 2018-07-20 | 合肥同佑电子科技有限公司 | A kind of factory's pollution discharge pond water quality cleansing agent and preparation method thereof |
| CN108339396A (en) * | 2018-04-02 | 2018-07-31 | 合肥博之泰电子科技有限公司 | A kind of cleansing composition of air purifier and preparation method thereof |
| CN108479733A (en) * | 2018-04-30 | 2018-09-04 | 段宝荣 | A kind of environmental protection, high efficiency air purifying preparation and preparation method thereof |
| CN108607340A (en) * | 2018-04-30 | 2018-10-02 | 段宝荣 | A kind of air purifying preparation and preparation method thereof |
| CN110280216A (en) * | 2019-07-03 | 2019-09-27 | 兰州工业学院 | A kind of air purification nano-material and preparation method thereof |
| CN111567554A (en) * | 2020-06-17 | 2020-08-25 | 成都市图腾环保科技有限公司 | Synthetic runway surface disinfectant, preparation method thereof and synthetic runway surface disinfection method |
| CN111567554B (en) * | 2020-06-17 | 2021-05-18 | 成都市图腾环保科技有限公司 | Synthetic runway surface disinfectant, preparation method thereof and synthetic runway surface disinfection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107362680A (en) | A kind of cleanser for air purifier and preparation method thereof | |
| CN103190442B (en) | A kind of composite antibacterial anion air cleanser and preparation method thereof | |
| CN107376641A (en) | A kind of environment-friendly filter element material for air purifier | |
| CN107936766A (en) | A kind of interior wall coating for purifying air and preparation method thereof | |
| CN106955590A (en) | A kind of composite purifying agent in air purifier | |
| CN104262687A (en) | Preparation method of nanocellulose suitable for medical mask | |
| CN106994334A (en) | A kind of adsorbent being used in air purifier | |
| KR102209425B1 (en) | Method for manufacturing deodorant using multiple function water containing minerals and deodorant manufactured by the same | |
| CN108286132A (en) | A kind of degradable method for processing nonwoven fabrics with antibacterial functions | |
| CN107083124A (en) | A kind of environmentally friendly diatom ooze emulsion paint and preparation method thereof | |
| CN104073072A (en) | Nano functional ecological environmental-friendly coating | |
| CN108560149A (en) | A kind of processing technology of high-performance antibiosis polypropylene spunbond non-woven fabrics | |
| CN109331644A (en) | A kind of antimicrobial form anion air purifying preparation and preparation method | |
| CN107012741A (en) | A kind of air purification filter paper and preparation method containing attapulgite clay | |
| KR20170131080A (en) | Eco-environment composition for formaldehyde remover and method of manufacturing the same | |
| CN112205420A (en) | Negative oxygen ion disinfectant, and preparation method and application thereof | |
| CN106752474A (en) | A kind of environment-friendly materials and its manufacture method and application with expelling parasite purification function | |
| CN107362779A (en) | A kind of preparation method of nano-cellulose composite mesopore silica temperature sensitive type water suction microballoon | |
| CN108786447A (en) | A kind of environment-friendly type air cleanser and preparation method thereof based on catalysis material | |
| CN106893420A (en) | Shell waste residue element anion functional nanometer environmental protection paint | |
| CN106336060A (en) | Mountain spring water production process | |
| CN101283839B (en) | Stink prevention hosiery preparation method | |
| CN106729899A (en) | A kind of Zeolite-purification perfume atmosphere ball and preparation method thereof | |
| KR101246849B1 (en) | Minerals aqueous solution and its manufacturing method | |
| CN105944559A (en) | Preparation and application method of indoor air purifying agent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171121 |
|
| WW01 | Invention patent application withdrawn after publication |