CN106035371A - Drinking water sterilizing ball based on shell porous structure - Google Patents
Drinking water sterilizing ball based on shell porous structure Download PDFInfo
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- CN106035371A CN106035371A CN201610358507.3A CN201610358507A CN106035371A CN 106035371 A CN106035371 A CN 106035371A CN 201610358507 A CN201610358507 A CN 201610358507A CN 106035371 A CN106035371 A CN 106035371A
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- 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
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- 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
- A01N25/00—Biocides, 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
- A01N25/08—Biocides, 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
- A01N25/10—Macromolecular compounds
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- 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
- A01N25/00—Biocides, 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
- A01N25/34—Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/043—Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/10—Water or water-releasing compounds
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Abstract
The invention relates to the field of water body sterilizing agents and discloses a drinking water sterilizing ball based on shell porous structure, prepared from the following materials according to parts by weight: 400-600 parts of shell powder, 4-6 parts of silicon sol, 80-100 parts of natural polyether polyol, 100-160 parts of isocyanate, 0.1-0.2 part of a catalyst, 4-6 parts of phenoxy resin, 0.1-0.2 part of tea saponin, 1-3 parts of polyethylene glycol, and 3-5 parts of water. The drinking water sterilizing ball may be put directly in drinking water to enable adsorption and sterilization with enduring effect and is convenient to use and low in cost; the drinking water sterilizing ball is made mainly from the shell powder and is safe and harmless to water; the shell powder has large specific surface area and uniform pore size distribution uniformity, ducts are well communicated, and adsorption fastness for germs is high.
Description
Technical field
The present invention relates to water sterilization agent field, particularly relate to a kind of drinking water bactericidal ball based on shell microcellular structure.
Background technology
Along with people live the raising of life, the requirement for drinking water is more and more higher.Current drinking water is general all
It is tap water or bottled water, although tap water and bottled water are through disinfecting, but at transport, pouring process for a long time
In, if early stage sterilization is not thorough, antibacterial, the health of harmful to human still can be grown.For the sterilization of drinking water, the most typically
It is installation ultraviolet light sterilization device on water dispenser, but the water dispenser containing ultraviolet light sterilization device is relatively costly, and sterilizing
Effect is general, not ideal enough, carries out sterilizing, it is impossible to play long term sterilizing in the time that can only open at short notice.
Also have by adding what antibacterial carried out sterilizing in drinking water, in Application No. 201410644645.9
State's patent of invention discloses the preparation method of a kind of nano combined filtrate, by the following technical solutions: A, by algae clay, E33 and
Zeolite powder mixes, and mills；B, by step A gained mixture and activated carbon stirring and evenly mixing, add water；C, high-temperature firing, D, general
The made product of step C mixes with nano titanium oxide, obtains a kind of nano combined filtrate.The nano combined filtrate of this invention has
Preferably absorbability, can remove the heavy metal in water and antibacterial；And safety non-toxic, non-secondary pollution, can be used for drinking water or
Dirty water purification.
But above-mentioned nano combined filtrate be mainly using algae clay, zeolite and activated carbon etc. as main component, exist with
Lower shortcoming: 1, big due to its specific surface area, less in the contact area of water body, germicidal efficiency is low；Although 2 and this
A little material internals have duct, have certain absorbability to antibacterial, but its internal gutter distribution of sizes is the most uneven, greatly
The least, little is the least, can only adsorb the antibacterial that some certain sizes are less, and the antibacterial big for some sizes cannot inhale
Attached, and these ducts are all single existence, the connectedness between duct is poor, still is able to " escape " after therefore antibacterial is adsorbed
Going out, absorption fastness is not ideal enough.3, above-mentioned material (particularly conch meal) is after high temperature (more than 1000 DEG C) is calcined, and can give birth to
Become some alkaline metal oxides (generating calcium oxide after such as conch meal high-temperature calcination), the pH value of drinking water can be affected.4, on
State after nano combined filtrate is arranged on filter element only as filtrate and could use, it is impossible to be dispersed directly in water and sterilize, because of
This needs ancillary filter device to use, and cost is high.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of drinking water bactericidal ball based on shell microcellular structure.
The drinking water bactericidal ball of the present invention can directly be thrown in drinking water and carry out Adsorption and Sterilization, and persistence is long, easy to use, cost
Low；This drinking water bactericidal ball is with conch meal as primary raw material, harmless to water quality safety；And this conch meal specific surface area is big, duct
Distribution of sizes homogeneity is good, connective good between duct, high to the absorption fastness of antibacterial.
The concrete technical scheme of the present invention is: a kind of drinking water bactericidal ball based on shell microcellular structure, including following heavy
The material of amount part is prepared from:
Conch meal 400-600 part,
Ludox 4-6 part,
Neutral polyether polyhydric alcohol 80-100 part,
Isocyanates 100-160 part,
Catalyst 0.1-0.2 part,
Phenoxy resin 4-6 part,
Tea saponin 0.1-0.2 part,
Polyethylene Glycol 1-3 part,
Water 3-5 part.
The present invention selects conch meal as the main component of drinking water bactericidal ball, and the present invention selects conch meal through specific work
The calcining of skill, has the duct of 0.1-1.5 micron-scale, and pore size is evenly distributed, and the connectedness between duct is preferable, phase
The separately distributed disconnected structures in duct such as specific activity charcoal, its specific surface area is up to 20-30 times of activated carbon specific surface area, to carefully
More preferably, in antibacterial, the length of bacillus is typically at 0.5-10 micron for the adsorption effect of bacterium, wide about 0.2-1 micron, and coccus diameter is about
0.3-1.2 micron, bacterial adsorption just can be accommodated by the pore size of conch meal, and in absorption, due to the connection between duct
Property is good, and antibacterial will not " run out of " again, makes antibacterial only import but no export.
The drinking water bactericidal ball of the present invention can direct plunge in drinking water, can carry out Adsorption and Sterilization for a long time, it is not necessary to supporting mistake
Filter, low cost, easy to use.
As preferably, drinking water bactericidal ball particle diameter is at 0.5-4cm.
As preferably, Polyethylene Glycol is Macrogol 4000.
As preferably, the preparation method of described drinking water bactericidal ball based on shell microcellular structure comprises the following steps:
A, clean shell is calcined at 300-450 DEG C 40-80min, then naturally cool to room temperature.
In step, needing the control of strict of calcine technology, under above-mentioned calcine technology, in shell, organic matter is decomposed,
Shell forms the skeleton of countless microcellular structure, thus has outstanding adsorptivity, and pore size rational, and distribution of sizes is equal
One property is good, connective good.If calcining insufficient, absorption property can be caused not ideal enough.And if calcining is excessively, then can generate big
Amount calcium oxide, affects water pH value.Compared with conch meal being calcined more than 1000 DEG C with prior art, more purposive.
B, the shell after calcining is pulverized as conch meal that granularity is 50-800 mesh.
C, by described conch meal and Ludox, phenoxy resin, neutral polyether polyhydric alcohol, isocyanates, catalyst, tea soap
Element, Polyethylene Glycol and water mix homogeneously, be stirred foaming at 50-60 DEG C, after placing 5-15min, prepares shell base and is combined
Material.
By composite foamed with other materials such as Ludox, phenoxy resin, neutral polyether polyhydric alcohol, isocyanates for conch meal,
Neutral polyether polyhydric alcohol and isocyanates can form composite foam material, and in foaming process, conch meal is fully handed over other materials
Connection, obtain lightweight, the shell based composites of porous, directly bond with other binding agents compared with, it can be ensured that adhesion-molded
The duct of rear conch meal is not covered by binding agent, thus is substantially reduced specific surface area.Ludox and phenoxy resin play bonding
The effect of agent, its consumption is less will not be influenced too much conch meal specific surface area.And shell based composites soaks for a long time
Ducking in drink, require the highest to its water resistance, material can not only be bonded by phenoxy resin, and material can be greatly improved
Resistance to water so that it is do not disintegrate.Water and Polyethylene Glycol are as two kinds of foaming agent, it is possible to form various sizes of duct, increase further
Adding the specific surface area of drinking water bactericidal ball, tea saponin is to add as emulsifying agent and stabilizer.
D, by described shell based composites by former, be prepared as ball-type；Under room temperature after aging 3-5h, at 160-
It is vacuum dried at 200 DEG C, prepares drinking water bactericidal ball based on shell microcellular structure.
To the shell based composites of ball-type aging after, its internal structure is stable, is being dried, and on the one hand removes material
In volatile substances, on the other hand can carry out heat cure, reinforcing material structural stability by phenoxy resin.Additionally, Ludox
Dried at higher temperature, it is also possible to generate the silica aerogel with three-dimensional net structure, increasing specific surface area.
As preferably, described shell is selected from least one in mussel, scallop, Margarita, Carnis Mactrae.
As preferably, the granularity of described conch meal is 100-300 mesh.
As preferably, catalyst described in step C is selected from triethylene diamine, stannous octoate or dibutyl tin laurate.
As preferably, the preparation method of neutral polyether polyhydric alcohol described in step C is as follows: by 10 parts of wood powders and 20-30 part
Add in 200-300 part phenol stirring reaction 60-80min at 155-165 DEG C after lignin mixing to, in course of reaction by
Gradually adding 200-300 part concentration is the sodium hydroxide solution of 15wt%, after then reactant liquor being adjusted to neutrality with sodium citrate, and fall
Temperature, to 65-75 DEG C, continues after adding 400-600 part furfural, 60-80 part natural polyols to be stirred reacting 1-2h, prepares sky
So polyether polyol, above-mentioned number is weight portion.
The neutral polyether polyhydric alcohol of the present invention is natural material, environmental protection, reduces the secondary pollution to drinking water as far as possible
As preferably, described natural polyols is at least one in maltose alcohol, xylitol, sorbitol.
As preferably, the preparation method of described phenoxy resin is as follows: obtain after bisphenol A type epoxy resin, bisphenol-A batch mixing
Mixture, then adds the propylene glycol monomethyl ether of mixture quality 20-30%, is heated to 60-100 DEG C；In bisphenol A type epoxy resin
Epoxy radicals, the mol ratio of phenolic hydroxyl group is 1:1.1-1.2 in bisphenol-A；Then the triphenyl of mixture quality 0.1-0.3% is added
Butyl bromide phosphine, reacts 2-4h at 120-140 DEG C；During reaction, at the uniform velocity add the propylene glycol first of mixture quality 30-40%
Ether；Reaction continues to add the propylene glycol monomethyl ether of mixture quality 5-15% after terminating, prepare phenoxy resin the most after drying.This
The phenoxy resin of bright preparation has more phenolic hydroxyl group, good to the cohesive of inorganic material, water-tolerant, and resistance to contractility is good, energy
Enough strengthen the dimensional stability of drinking water bactericidal ball, prevent its adsorption swelling from disintegrating.
It is compared with the prior art, the invention has the beneficial effects as follows: the drinking water bactericidal ball of the present invention can directly be thrown in into drink
With carrying out Adsorption and Sterilization in water, persistence is long, easy to use, low cost；This drinking water bactericidal ball with conch meal as primary raw material,
Harmless to water quality safety；And this conch meal specific surface area is big, pore size distribution uniformity is good, connective good between duct, right
The absorption fastness of antibacterial is high.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
A kind of drinking water bactericidal ball based on shell microcellular structure, particle diameter is about 2.5cm, including the material system of following weight portion
For forming:
Conch meal 500 parts, Ludox 5 parts, neutral polyether polyhydric alcohol 90 parts, isocyanates 130 parts, triethylene diamine 0.15 part,
Phenoxy resin 5 parts, tea saponin 0.15 part, Macrogol 4000 2 parts, 4 parts of water.
The pre-prepared preparation of raw material:
The preparation of neutral polyether polyhydric alcohol: add in 250 parts of phenol at 160 DEG C after 10 parts of wood powders and 25 parts of lignin mixing
Lower stirring reaction 70min, gradually adding 250 parts of concentration in course of reaction is the sodium hydroxide solution of 15wt%, then uses Fructus Citri Limoniae
After reactant liquor is adjusted to neutrality by acid sodium, it is cooled to 70 DEG C, continues after adding 500 parts of furfurals, 70 parts of maltose alcohols to be stirred instead
Answering 1.5h, prepare neutral polyether polyhydric alcohol, above-mentioned number is weight portion.
The preparation of phenoxy resin: obtain mixture after bisphenol A type epoxy resin, bisphenol-A batch mixing, then add mixture
The propylene glycol monomethyl ether of quality 25%, is heated to 80 DEG C；In epoxy radicals in bisphenol A type epoxy resin, bisphenol-A phenolic hydroxyl group mole
Ratio is 1:1.15；Then add the triphenylbut base bromide phosphine of mixture quality 0.2%, at 130 DEG C, react 3h；The reaction phase
Between, at the uniform velocity add the propylene glycol monomethyl ether of mixture quality 35%；Reaction continues to add the propylene glycol of mixture quality 10% after terminating
Methyl ether, final dried prepared phenoxy resin.
The preparation method of drinking water bactericidal ball is:
A, the mussel by clean, scallop, Margarita, Carnis Mactrae calcine 60min at 375 DEG C, then naturally cool to room temperature.
B, the shell after calcining is pulverized as conch meal that granularity is 350-450 mesh.
C, by described conch meal and Ludox, phenoxy resin, neutral polyether polyhydric alcohol, isocyanates, triethylene diamine, tea
Saponin, Polyethylene Glycol and water mix homogeneously, be stirred foaming at 55 DEG C, after placing 10min, prepares shell base composite wood
Material.
D, by described shell based composites by former, be prepared as ball-type；Under room temperature after aging 4h, at 180 DEG C
Lower vacuum drying, prepares drinking water bactericidal ball based on shell microcellular structure.
Embodiment 2
A kind of drinking water bactericidal ball based on shell microcellular structure, particle diameter is about 0.5cm, including the material system of following weight portion
For forming:
Conch meal 400 parts, Ludox 4 parts, neutral polyether polyhydric alcohol 80 parts, isocyanates 100 parts, stannous octoate 0.1 part, phenol oxygen
Resin 4 parts, tea saponin 0.1 part, Macrogol 4000 1 part, 3 parts of water.
The pre-prepared preparation of raw material:
The preparation of neutral polyether polyhydric alcohol: add in 200 parts of phenol at 155 DEG C after 10 parts of wood powders and 20 parts of lignin mixing
Lower stirring reaction 80min, gradually adding 200 parts of concentration in course of reaction is the sodium hydroxide solution of 15wt%, then uses Fructus Citri Limoniae
After reactant liquor is adjusted to neutrality by acid sodium, it is cooled to 65 DEG C, continues after adding 400 parts of furfurals, 60 parts of xylitol to be stirred reaction
2h, prepares neutral polyether polyhydric alcohol, and above-mentioned number is weight portion.
The preparation of phenoxy resin: obtain mixture after bisphenol A type epoxy resin, bisphenol-A batch mixing, then add mixture
The propylene glycol monomethyl ether of quality 20%, is heated to 60 DEG C；In epoxy radicals in bisphenol A type epoxy resin, bisphenol-A phenolic hydroxyl group mole
Ratio is 1:1.1；Then add the triphenylbut base bromide phosphine of mixture quality 0.1%, at 120 DEG C, react 4h；During reaction,
At the uniform velocity add the propylene glycol monomethyl ether of mixture quality 40%；Reaction continues to add the propylene glycol monomethyl ether of mixture quality 5% after terminating,
Final dried prepared phenoxy resin.
The preparation method of drinking water bactericidal ball is:
A, the mussel by clean, scallop, Margarita, Carnis Mactrae calcine 80min at 300 DEG C, then naturally cool to room temperature.
B, the shell after calcining is pulverized as conch meal that granularity is 50-100 mesh.
C, by described conch meal and Ludox, phenoxy resin, neutral polyether polyhydric alcohol, isocyanates, stannous octoate, tea soap
Element, Polyethylene Glycol and water mix homogeneously, be stirred foaming at 50 DEG C, after placing 15min, prepares shell based composites.
D, by described shell based composites by former, be prepared as ball-type；Under room temperature after aging 3h, at 160 DEG C
Lower vacuum drying, prepares drinking water bactericidal ball based on shell microcellular structure.
Embodiment 3
A kind of drinking water bactericidal ball based on shell microcellular structure, particle diameter is about 4cm, prepared by the material including following weight portion
Form:
Conch meal 600 parts, Ludox 6 parts, neutral polyether polyhydric alcohol 100 parts, isocyanates 160 parts, dibutyl tin laurate
0.2 part, phenoxy resin 6 parts, tea saponin 0.2 part, Macrogol 4000 3 parts, 5 parts of water.
The pre-prepared preparation of raw material:
The preparation of neutral polyether polyhydric alcohol: add in 300 parts of phenol at 165 DEG C after 10 parts of wood powders and 30 parts of lignin mixing
Lower stirring reaction 60min, gradually adding 300 parts of concentration in course of reaction is the sodium hydroxide solution of 15wt%, then uses Fructus Citri Limoniae
After reactant liquor is adjusted to neutrality by acid sodium, it is cooled to 75 DEG C, continues after adding 600 parts of furfurals, 80 parts of sorbitol to be stirred reaction
2h, prepares neutral polyether polyhydric alcohol, and above-mentioned number is weight portion.
The preparation of phenoxy resin: obtain mixture after bisphenol A type epoxy resin, bisphenol-A batch mixing, then add mixture
The propylene glycol monomethyl ether of quality 30%, is heated to 100 DEG C；In epoxy radicals in bisphenol A type epoxy resin, bisphenol-A phenolic hydroxyl group mole
Ratio is 1:1.2；Then add the triphenylbut base bromide phosphine of mixture quality 0.3%, at 140 DEG C, react 2h；During reaction,
At the uniform velocity add the propylene glycol monomethyl ether of mixture quality 30%；Reaction continues to add the propylene glycol first of mixture quality 15% after terminating
Ether, final dried prepared phenoxy resin.
The preparation method of drinking water bactericidal ball is:
A, the mussel by clean, scallop, Margarita, Carnis Mactrae calcine 40min at 450 DEG C, then naturally cool to room temperature.
B, the shell after calcining is pulverized as conch meal that granularity is 600-800 mesh.
C, by described conch meal and Ludox, phenoxy resin, neutral polyether polyhydric alcohol, isocyanates, tin dilaurate two fourth
Ji Xi, tea saponin, Polyethylene Glycol and water mix homogeneously, be stirred foaming at 60 DEG C, after placing 5min, prepares shell base multiple
Condensation material.
D, by described shell based composites by former, be prepared as ball-type；Under room temperature after aging 5h, at 200 DEG C
Lower vacuum drying, prepares drinking water bactericidal ball based on shell microcellular structure.
Embodiment 4
A kind of drinking water bactericidal ball based on shell microcellular structure, particle diameter is about 2cm, prepared by the material including following weight portion
Form:
Conch meal 450 parts, Ludox 4 parts, neutral polyether polyhydric alcohol 85 parts, isocyanates 120 parts, dibutyl tin laurate
0.1 part, phenoxy resin 4.5 parts, tea saponin 0.1 part, Macrogol 4000 1.5 parts, 3.5 parts of water.
The pre-prepared preparation of raw material:
The preparation of neutral polyether polyhydric alcohol: add in 240 parts of phenol at 160 DEG C after 10 parts of wood powders and 24 parts of lignin mixing
Lower stirring reaction 75min, gradually adding 260 parts of concentration in course of reaction is the sodium hydroxide solution of 15wt%, then uses Fructus Citri Limoniae
After reactant liquor is adjusted to neutrality by acid sodium, it is cooled to 68 DEG C, continues after adding 450 parts of furfurals, 30 parts of maltose alcohols, 35 parts of xylitol
Being stirred reacting 1.5h, prepare neutral polyether polyhydric alcohol, above-mentioned number is weight portion.
The preparation of phenoxy resin: obtain mixture after bisphenol A type epoxy resin, bisphenol-A batch mixing, then add mixture
The propylene glycol monomethyl ether of quality 22%, is heated to 70 DEG C；In epoxy radicals in bisphenol A type epoxy resin, bisphenol-A phenolic hydroxyl group mole
Ratio is 1:1.1；Then add the triphenylbut base bromide phosphine of mixture quality 0.15%, at 125 DEG C, react 2.5h；The reaction phase
Between, at the uniform velocity add the propylene glycol monomethyl ether of mixture quality 35%；Reaction continues to add the propylene glycol of mixture quality 10% after terminating
Methyl ether, final dried prepared phenoxy resin.
The preparation method of drinking water bactericidal ball is:
A, the mussel by clean, scallop, Margarita, Carnis Mactrae calcine 50min at 360 DEG C, then naturally cool to room temperature.
B, the shell after calcining is pulverized as conch meal that granularity is 100-300 mesh.
C, by described conch meal and Ludox, phenoxy resin, neutral polyether polyhydric alcohol, isocyanates, tin dilaurate two fourth
Ji Xi, tea saponin, Polyethylene Glycol and water mix homogeneously, be stirred foaming at 55 DEG C, after placing 9min, prepares shell base multiple
Condensation material.
D, by described shell based composites by former, be prepared as ball-type；Under room temperature after aging 3.5h, 170
It is vacuum dried at DEG C, prepares drinking water bactericidal ball based on shell microcellular structure.
The specific surface area of the conch meal that the present invention selects is up to 20-30 times of activated carbon, and average pore size is activated carbon
4-6 times, the adsorption effect of antibacterial is obviously improved.
Raw materials used, equipment in the present invention, unless otherwise noted, is the conventional raw material of this area, equipment；In the present invention
Method therefor, unless otherwise noted, is the conventional method of this area.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, every according to the present invention
Any simple modification, change and the equivalent transformation that above example is made by technical spirit, all still falls within the technology of the present invention side
The protection domain of case.
Claims (10)
1. a drinking water bactericidal ball based on shell microcellular structure, it is characterised in that: include prepared by the material of following weight portion
Form:
Conch meal 400-600 part,
Ludox 4-6 part,
Neutral polyether polyhydric alcohol 80-100 part,
Isocyanates 100-160 part,
Catalyst 0.1-0.2 part,
Phenoxy resin 4-6 part,
Tea saponin 0.1-0.2 part,
Polyethylene Glycol 1-3 part,
Water 3-5 part.
A kind of drinking water bactericidal ball based on shell microcellular structure, it is characterised in that particle diameter exists
0.5-4cm。
A kind of drinking water bactericidal ball based on shell microcellular structure, it is characterised in that poly-second
Glycol is Macrogol 4000.
A kind of drinking water bactericidal ball based on shell microcellular structure, it is characterised in that preparation method
Comprise the following steps:
A, clean shell is calcined at 300-450 DEG C 40-80min, then naturally cool to room temperature；
B, the shell after calcining is pulverized as conch meal that granularity is 50-800 mesh；
C, by described conch meal and Ludox, phenoxy resin, neutral polyether polyhydric alcohol, isocyanates, catalyst, tea saponin, poly-
Ethylene glycol and water mix homogeneously, be stirred foaming at 50-60 DEG C, after placing 5-15min, prepares shell based composites；
D, by described shell based composites by former, be prepared as ball-type；Under room temperature after aging 3-5h, at 160-200
It is vacuum dried at DEG C, prepares drinking water bactericidal ball based on shell microcellular structure.
A kind of drinking water bactericidal ball based on shell microcellular structure, it is characterised in that described shell
At least one in mussel, scallop, Margarita, Carnis Mactrae.
6. a kind of based on shell microcellular structure the drinking water bactericidal ball as described in claim 1 or 2 or 4, it is characterised in that institute
The granularity stating conch meal is 100-300 mesh.
A kind of drinking water bactericidal ball based on shell microcellular structure, it is characterised in that in step C
Described catalyst is selected from triethylene diamine, stannous octoate or dibutyl tin laurate.
8. a kind of based on shell microcellular structure the drinking water bactericidal ball as described in claim 4 or 5 or 7, it is characterised in that step
Described in rapid C, the preparation method of neutral polyether polyhydric alcohol is as follows: add to after 10 parts of wood powders and 20-30 part lignin being mixed
In 200-300 part phenol, at 155-165 DEG C, 60-80min is reacted in stirring, gradually adds 200-300 part dense in course of reaction
Degree is the sodium hydroxide solution of 15wt%, after then reactant liquor being adjusted to neutrality with sodium citrate, is cooled to 65-75 DEG C, adds
Continue after 400-600 part furfural, 60-80 part natural polyols to be stirred reacting 1-2h, prepare neutral polyether polyhydric alcohol, above-mentioned
Number is weight portion.
A kind of drinking water bactericidal ball based on shell microcellular structure, it is characterised in that described natural
Polyhydric alcohol is at least one in maltose alcohol, xylitol, sorbitol.
10. a kind of based on shell microcellular structure the drinking water bactericidal ball as described in claim 1 or 2 or 4 or 5 or 7, its feature
Being, the preparation method of described phenoxy resin is as follows: obtain mixture, then after bisphenol A type epoxy resin, bisphenol-A batch mixing
Add the propylene glycol monomethyl ether of mixture quality 20-30%, be heated to 60-100 DEG C；Epoxy radicals in bisphenol A type epoxy resin, double
In phenol A, the mol ratio of phenolic hydroxyl group is 1:1.1-1.2；Then the triphenylbut base bromide phosphine of mixture quality 0.1-0.3% is added,
2-4h is reacted at 120-140 DEG C；During reaction, at the uniform velocity add the propylene glycol monomethyl ether of mixture quality 30-40%；Reaction terminates
The rear propylene glycol monomethyl ether continuing to add mixture quality 5-15%, final dried prepared phenoxy resin.
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| CN109081960A (en) * | 2018-08-03 | 2018-12-25 | 浙江久运汽车零部件有限公司 | A kind of fire-retardant natural composite material sebific duct and preparation method thereof |
| CN109350548A (en) * | 2018-11-30 | 2019-02-19 | 奚正华 | A kind of spontaneous heating ferment collagen fabric dry state facial mask |
| CN109364107A (en) * | 2018-11-30 | 2019-02-22 | 奚正华 | A kind of absorbefacient emplastrum of releiving of aching of spontaneous heating |
| CN110256893A (en) * | 2019-06-18 | 2019-09-20 | 山东交通学院 | It can assist the guardrail coating additive and preparation method thereof of purification vehicle exhaust |
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| CN109364107A (en) * | 2018-11-30 | 2019-02-22 | 奚正华 | A kind of absorbefacient emplastrum of releiving of aching of spontaneous heating |
| CN110256893A (en) * | 2019-06-18 | 2019-09-20 | 山东交通学院 | It can assist the guardrail coating additive and preparation method thereof of purification vehicle exhaust |
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| CN106035371B (en) | 2019-05-03 |
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