CN108849981A - A kind of fitness equipment compound preservative and preparation method thereof - Google Patents

A kind of fitness equipment compound preservative and preparation method thereof Download PDF

Info

Publication number
CN108849981A
CN108849981A CN201810808842.8A CN201810808842A CN108849981A CN 108849981 A CN108849981 A CN 108849981A CN 201810808842 A CN201810808842 A CN 201810808842A CN 108849981 A CN108849981 A CN 108849981A
Authority
CN
China
Prior art keywords
weight
parts
titanate
fitness equipment
coupling agent
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Withdrawn
Application number
CN201810808842.8A
Other languages
Chinese (zh)
Inventor
马西健
崔亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Saunaking Electronic Technology Co Ltd
Original Assignee
Wuhu Saunaking Electronic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhu Saunaking Electronic Technology Co Ltd filed Critical Wuhu Saunaking Electronic Technology Co Ltd
Priority to CN201810808842.8A priority Critical patent/CN108849981A/en
Publication of CN108849981A publication Critical patent/CN108849981A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N47/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/40Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
    • A01N47/42Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
    • A01N47/44Guanidine; Derivatives thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N59/00Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16Heavy metals; Compounds thereof

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The present invention relates to body-building apparatus technical fields, and in particular to a kind of fitness equipment compound preservative and preparation method thereof, the fitness equipment is made with compound preservative of feedstock composition, and the feedstock composition includes the substance of following parts by weight:0.5~2 parts by weight of stannate, 12~50 parts by weight of organic titanate, 3~5 parts by weight of streptomysin, 6~15 parts by weight of graphene oxide, 3~8 parts by weight of coupling agent.Compound preservative provided by the invention is capable of the growth of long-acting lasting inhibition various bacteria, improves the safety and reliability of fitness equipment.

Description

A kind of fitness equipment compound preservative and preparation method thereof
Technical field
The present invention relates to body-building apparatus technical field more particularly to a kind of fitness equipment compound preservative and its preparation sides Method.
Background technique
Present people's operating pressure, life stress are big, and sub-health state is presented in the physical condition of more and more people, and transports Kinetic energy is enough effectively to adjust nervous system and endocrine system, improves human health, with the development of economy and people's living standard Raising, the chance of people to outdoor sports reduces, take and with it be indoor sport, many persons selected indoor sport to Accomplish calmly, to improve sub-health state.
Indoor sport is mostly used fitness equipment, such as Yoga mat, treadmill, elastic band and dumbbell, during the motion, people Know from experience and generate a large amount of sweat (sweat ingredient can be divided into two class of inorganic constituents and organic principle, all be intracorporal metabolite), These sweat are usually all dropped on fitness equipment, and the inorganic constituents in sweat is mainly the salts such as sodium chloride, calcium carbonate, are had and are in It is acid, also have in alkalinity, directly etching fitness equipment is understood in the excessive accumulation of these soda acid ingredients, and in sweat it is organic at Divide the accumulation in fitness equipment, under the promotion of hot weather, microorganism but will be conducive in body surface mass propagation, to generate different Taste.When people reuse fitness equipment, bacterium therein will lead to epifolliculitis, and fungi easily causes ringworm of the body, tinea pedis, and dust mite pair The maximum threat of the people of allergic constitution is to induce allergic dermatitis and asthma.At present people usually pass through clean fitness equipment with Have the function that clean fitness equipment, but cleans to be difficult to remove and degerm.
Summary of the invention
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of fitness equipment compound preservative and its systems Preparation Method, it is capable of the growth and growth of long-acting inhibition bacterium, and good to the safety of human body, compatibility is good.
To solve the above problems, the present invention provides a kind of fitness equipment compound preservative, it is made of feedstock composition, institute State the substance that feedstock composition includes following parts by weight:0.5~2 parts by weight of stannate, 12~50 parts by weight of organic titanate, chain 3~5 parts by weight of mycin, 6~15 parts by weight of graphene oxide, 3~8 parts by weight of coupling agent.Under optimum condition, the material combination Object is made of the substance of following parts by weight:1~1.5 parts by weight of stannate, 18~36 parts by weight of organic titanate, streptomysin 3~5 Parts by weight, 8~12 parts by weight of graphene oxide, 3~8 parts by weight of coupling agent.
The present invention also provides a kind of preparation methods of fitness equipment compound preservative, include the following steps:
(1) by organic titanate, ultrasonic disperse is uniform in dehydrated alcohol, sol system is obtained, then into sol system Be added graphene oxide, stannate and coupling agent, 15~30min of ultrasonic disperse, then at 80~120 DEG C sealing reaction 6~ 12h obtains modifying titanium dioxide;
(2) by modifying titanium dioxide and streptomysin 15~30min of ultrasonic disperse in water, it is followed by stirring for 3~8h, is answered Close fungicide.
In the present invention, stannate can react the tin dope of generation uniform particle sizes by sealing thermal response with organic titanate Modifying titanium dioxide nano particle, tin dope improved silica have higher reactivity and sterilization relative to silica Activity, it is compound with graphene progress, tin dope improved silica can be made to be evenly distributed in graphene surface, a side Face can be improved the reactivity of tin dope modifying titanium dioxide, additionally it is possible to improve its uniformity;Again by improved silica with Streptomysin progress is further compound, and the graphene oxide in streptomysin and improved silica can be made to pass through electrostatic interaction and carried out In conjunction with, can in the use process in later period slow release streptomysin, to play the role of long-acting bactericidal.Under optimum condition, The weight ratio of the stannate and the organic titanate is 1:(18~30).
Under optimum condition, the weight ratio of the streptomysin and the graphene oxide is 1:(2~4).
It is further preferred that the organic titanate is selected from tetraethyl titanate, tetramethoxy titanate ester, tetraisopropyl titanate, titanium At least one of sour four isobutyl esters, tetra-n-butyl titanate.The stannate is selected from least one of sodium stannate, potassium stannate.
Under optimum condition, the coupling agent is selected from silane coupling agent and/or titanate coupling agent, wherein the silane is even Join agent and is selected from least one of KH550, KH560, KH570, KH792, DL602 and DL171;The titanate coupling agent is selected from Titanate coupling agent 201, titanate coupling agent 311, titanate coupling agent 102, titanate coupling agent 101 and titanate coupling agent At least one of 401.
Compared with prior art, the present invention has the following technical effects:
Stannate can react the tin dope of generation uniform particle sizes by sealing thermal response with organic titanate in the present invention Modifying titanium dioxide nano particle, tin dope improved silica have higher reactivity and sterilization relative to silica Activity, it is compound with graphene progress, tin dope improved silica can be made to be evenly distributed in graphene surface, a side Face can be improved the reactivity of tin dope modifying titanium dioxide, additionally it is possible to improve its uniformity;Again by improved silica with Streptomysin progress is further compound, can make the graphene oxide in streptomysin and improved silica that electrostatical binding occur, and Slow release streptomysin, plays the role of long-acting bactericidal in the use process in later period;To sum up, fitness equipment provided by the invention The characteristics of growth of inhibition various bacteria that can be long-acting with compound preservative has safety good, high reliablity.
Specific embodiment
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more New numberical range, these numberical ranges should be considered as specific open herein.
Embodiment 1
A kind of fitness equipment compound preservative, is made of the substance of following parts by weight:2 parts by weight of sodium stannate, metatitanic acid four 50 parts by weight of N-butyl, 5 parts by weight of streptomysin, 15 parts by weight of graphene oxide, 4 parts by weight of silane coupling agent KH792.
The preparation method of the fitness equipment compound preservative, steps are as follows:
(1) by graphene oxide, ultrasonic disperse is uniform in the ethyl alcohol of 100 parts by weight, obtains graphene oxide suspension;
(2) by tetra-n-butyl titanate, ultrasonic disperse is uniform under the conditions of 200Hz in dehydrated alcohol, obtains sol system, Then addition sodium stannate, graphene oxide suspension and silane coupling agent KH792 into sol system, ultrasonic disperse 15~ 30min is then stirred to react 10h at 100 DEG C, obtains modifying titanium dioxide;
(3) by modifying titanium dioxide and streptomysin 15~30min of ultrasonic disperse in water, it is followed by stirring for 5h, obtains body-building Equipment compound preservative.
Embodiment 2
A kind of fitness equipment compound preservative, is made of the substance of following parts by weight:1.5 parts by weight of sodium stannate, metatitanic acid Four methyl esters, 40 parts by weight, 4 parts by weight of streptomysin, 12 parts by weight of graphene oxide, 5 parts by weight of silane coupling agent KH560.
The preparation method of the fitness equipment compound preservative, steps are as follows:
(1) by graphene oxide, ultrasonic disperse is uniform in the ethyl alcohol of 100 parts by weight, obtains graphene oxide suspension;
(2) by tetramethoxy titanate ester, ultrasonic disperse is uniform under the conditions of 100Hz in dehydrated alcohol, obtains sol system, connects Sodium stannate, graphene oxide suspension and silane coupling agent KH560,15~30min of ultrasonic disperse are added into sol system, Then it is stirred to react 8h at 100 DEG C, obtains modifying titanium dioxide;
(3) by modifying titanium dioxide and streptomysin 15~30min of ultrasonic disperse in water, it is followed by stirring for 6h, obtains body-building Equipment compound preservative.
Embodiment 3
A kind of fitness equipment compound preservative, is made of the substance of following parts by weight:0.8 parts by weight of sodium stannate, metatitanic acid Four methyl esters, 30 parts by weight, streptomysin (GNCE5772-5 is purchased from Guangzhou Jia Nisi anti-biotic material Co., Ltd) 4 parts by weight, oxidation 10 parts by weight of graphene, 201 3 parts by weight of titanate coupling agent.
The preparation method of the fitness equipment compound preservative, steps are as follows:
(1) by graphene oxide, ultrasonic disperse is uniform in the ethyl alcohol of 100 parts by weight, obtains graphene oxide suspension;
(2) by tetramethoxy titanate ester, ultrasonic disperse is uniform under the conditions of 200Hz in dehydrated alcohol, obtains sol system, connects Be added sodium stannate, graphene oxide suspension and titanate coupling agent 201 into sol system, 15~30min of ultrasonic disperse, Then it is stirred to react 6h at 120 DEG C, obtains modifying titanium dioxide;
(3) by modifying titanium dioxide and streptomysin 15~30min of ultrasonic disperse in water, it is followed by stirring for 5h, obtains body-building Equipment compound preservative.
Embodiment 4
A kind of fitness equipment compound preservative, is made of the substance of following parts by weight:1 parts by weight of sodium stannate, metatitanic acid four 18 parts by weight of N-butyl, 3 parts by weight of streptomysin, 6 parts by weight of graphene oxide, 8 parts by weight of silane coupling agent KH560.
The preparation method of the fitness equipment compound preservative, steps are as follows:
(1) by graphene oxide, ultrasonic disperse is uniform in the ethyl alcohol of 100 parts by weight, obtains graphene oxide suspension;
(2) by tetra-n-butyl titanate, ultrasonic disperse is uniform under the conditions of 100Hz in dehydrated alcohol, obtains sol system, Then addition sodium stannate, graphene oxide suspension and silane coupling agent KH560 into sol system, ultrasonic disperse 15~ 30min is then stirred to react 12h at 80 DEG C, obtains modifying titanium dioxide;
(3) by modifying titanium dioxide and streptomysin 15~30min of ultrasonic disperse in water, it is followed by stirring for 8h, obtains body-building Equipment compound preservative.
Embodiment 5
A kind of fitness equipment compound preservative, is made of the substance of following parts by weight:0.5 parts by weight of sodium stannate, metatitanic acid Four N-butyls, 12 parts by weight, 3 parts by weight of streptomysin, 9 parts by weight of graphene oxide, 201 5 parts by weight of titanate coupling agent.
The preparation method of the fitness equipment compound preservative, steps are as follows:
(1) by graphene oxide, ultrasonic disperse is uniform in the ethyl alcohol of 100 parts by weight, obtains graphene oxide suspension;
(2) by tetra-n-butyl titanate, ultrasonic disperse is uniform under the conditions of 200Hz in dehydrated alcohol, obtains sol system, Then addition sodium stannate, graphene oxide suspension and titanate coupling agent 201 into sol system, ultrasonic disperse 15~ 30min is then stirred to react 8h at 120 DEG C, obtains modifying titanium dioxide;
(3) by modifying titanium dioxide and streptomysin 15~30min of ultrasonic disperse in water, it is followed by stirring for 3h, obtains body-building Equipment compound preservative.
Comparative example 1
A kind of fitness equipment compound preservative, is made of the substance of following parts by weight:2 parts by weight of sodium stannate, metatitanic acid four 50 parts by weight of N-butyl, 15 parts by weight of graphene oxide, 4 parts by weight of silane coupling agent KH792.
The preparation method of the fitness equipment compound preservative, steps are as follows:
(1) by graphene oxide, ultrasonic disperse is uniform in the ethyl alcohol of 100 parts by weight, obtains graphene oxide suspension;
(2) by tetra-n-butyl titanate, ultrasonic disperse is uniform under the conditions of 200Hz in dehydrated alcohol, obtains sol system, Then addition sodium stannate, graphene oxide suspension and silane coupling agent KH792 into sol system, ultrasonic disperse 15~ 30min is then stirred to react 10h at 100 DEG C, obtains modifying titanium dioxide.
Experimental example 1:
Fitness equipment compound preservative in Examples 1 to 5 and comparative example 1~2 is compound with resin matrix, and 3cm is made The sample of × 3cm after cleaning sample acetone, ethyl alcohol, impregnates 2h with 75% ethyl alcohol to kill the bacterium of sample surfaces, is placed in In culture dish in super-clean bench natural air drying.Then the Escherichia coli bacteria liquid of 200 μ L is added dropwise respectively in each sample surfaces (105CFU/mL), cultivated for 24 hours in 37 DEG C of incubators with after the covering of the sealed membrane of sterilizing.With being spat containing 0.3% for 20mL sterilizing The thorough clean the surface of physiological saline of temperature -80 obtains bacterium solution, and bacterium solution is diluted 10 times and 100 times, takes undiluted, dilution respectively 10 times, dilution 100 times of bacterium solution 0.2mL be coated uniformly on solid medium, 37 DEG C culture respectively cultivate 12h and 7d, calculate sample The antibiotic rate of product, experimental result are as shown in table 1.
The calculation formula of antibiotic rate is:
Antibiotic rate=(nControl-nExperiment)/nControl× 100%
Wherein, nControlFor blank control group clump count, nExperimentFor experimental group clump count;
Staphylococcus glucose coccus bacteriostatic experiment, experimental procedure is the same as Escherichia coli bacteriostatic experiment.
Table 1:The bacteriostasis property of fitness equipment compound preservative in Examples 1 to 5 and comparative example 1~2
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In skill of the invention In art conception range, can with various simple variants of the technical solution of the present invention are made, including each technical characteristic with it is any its Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, is belonged to Protection scope of the present invention.

Claims (7)

1. a kind of fitness equipment compound preservative, which is characterized in that be made of feedstock composition, the feedstock composition includes The substance of following parts by weight:0.5~2 parts by weight of stannate, 12~50 parts by weight of organic titanate, 3~5 parts by weight of streptomysin, 6~15 parts by weight of graphene oxide, 3~8 parts by weight of coupling agent.
2. fitness equipment compound preservative according to claim 1, which is characterized in that the stannate with it is described organic The weight ratio of titanate esters is 1:(18~30).
3. fitness equipment compound preservative according to claim 1, which is characterized in that the streptomysin and the oxidation The weight ratio of graphene is 1:(2~4).
4. the preparation method of the bacterium-restraining resin according to claim 1 for Yoga ball, which is characterized in that the stannate Selected from sodium stannate and/or potassium stannate.
5. the preparation method of the bacterium-restraining resin according to claim 1 for Yoga ball, which is characterized in that the organic titanium Acid esters in tetraethyl titanate, tetramethoxy titanate ester, tetraisopropyl titanate, tetrabutyl titanate, tetra-n-butyl titanate at least It is a kind of.
6. the preparation method of the bacterium-restraining resin according to claim 1 for Yoga ball, which is characterized in that the coupling agent Selected from silane coupling agent and/or titanate coupling agent.
7. a kind of preparation method of fitness equipment compound preservative, which is characterized in that include the following steps:
(1) by organic titanate, ultrasonic disperse is uniform in dehydrated alcohol, obtains sol system, is then added into sol system Graphene oxide, stannate and coupling agent, 15~30min of ultrasonic disperse, then 6~12h is reacted in sealing at 80~120 DEG C, Obtain modifying titanium dioxide;
(2) by modifying titanium dioxide and streptomysin 15~30min of ultrasonic disperse in water, it is followed by stirring for 3~8h, obtains compound kill Microbial inoculum.
CN201810808842.8A 2018-07-19 2018-07-19 A kind of fitness equipment compound preservative and preparation method thereof Withdrawn CN108849981A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810808842.8A CN108849981A (en) 2018-07-19 2018-07-19 A kind of fitness equipment compound preservative and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810808842.8A CN108849981A (en) 2018-07-19 2018-07-19 A kind of fitness equipment compound preservative and preparation method thereof

Publications (1)

Publication Number Publication Date
CN108849981A true CN108849981A (en) 2018-11-23

Family

ID=64304269

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810808842.8A Withdrawn CN108849981A (en) 2018-07-19 2018-07-19 A kind of fitness equipment compound preservative and preparation method thereof

Country Status (1)

Country Link
CN (1) CN108849981A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111302743A (en) * 2020-02-16 2020-06-19 广东承沐建设工程有限公司 Preparation method of high-strength, anti-cracking and anti-seismic concrete

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111302743A (en) * 2020-02-16 2020-06-19 广东承沐建设工程有限公司 Preparation method of high-strength, anti-cracking and anti-seismic concrete

Similar Documents

Publication Publication Date Title
US20090148540A1 (en) Antibacterial composition and method of production
CN103380784B (en) Bactericidal odor removing agent
CN105238057B (en) A kind of preparation method of antibacterial silicon rubber
CN109182199B (en) Pseudomonas brassicae with plant growth promoting effect
CN102504318B (en) Method for preparing efficient antibacterial tracheal intubation catheter
CN102389743A (en) Formula of medical bacteriostatic humidifying solution
CN108785017B (en) Rehabilitation training system after oral tumor radiotherapy and using method thereof
WO2019144830A1 (en) Broad lysis spectrum pseudomonas aeruginosa phage and disinfecting application thereof
CN101810198B (en) Salicylic acid-iodine disinfector and preparation method thereof
CN108849981A (en) A kind of fitness equipment compound preservative and preparation method thereof
CN101803611B (en) Citric acid iodine disinfectant and method for preparing same
CN102038012A (en) Air disinfectant and preparation method thereof
CN102010514A (en) Method and device for preparing nano silver- and porous structure-containing medical high molecular material
CN108576054A (en) A kind of long-acting bacteriostatic agent and preparation method thereof for fitness equipment
CN110313475A (en) A kind of bacillus subtilis controlled release agent and preparation method thereof
CN113995744A (en) Composition and antibacterial application thereof
CN108991015A (en) A kind of wide-spectrum bactericide and preparation method thereof for fitness equipment
CN102450973A (en) Multifunctional wet tissue containing orange essence
CN112369430A (en) Chlorine dioxide nano zinc disinfection and bacteriostasis solution
CN105154375B (en) One kind is for the degrade remaining microbial inoculum of phenoxy carboxylic acid herbicides and preparation method
CN111820240A (en) Antibacterial and disinfectant additive based on nano metal wires and preparation method thereof
CN108948634A (en) A kind of preparation method of the bacterium-restraining resin for Yoga ball
CN108300676A (en) A kind of red seaweed polysaccharide composite bacteria agent and its preparation method and application
CN104338168A (en) Air freshener for upper respiratory infection patients and preparing method thereof
CN102941034A (en) Medical humidification liquid having bacteriostasis function

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20181123

WW01 Invention patent application withdrawn after publication