CN101669463A - Structural element and manufacturing method thereof, steam scatter, method and sleeve thereof - Google Patents
Structural element and manufacturing method thereof, steam scatter, method and sleeve thereof Download PDFInfo
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- CN101669463A CN101669463A CN200910170745A CN200910170745A CN101669463A CN 101669463 A CN101669463 A CN 101669463A CN 200910170745 A CN200910170745 A CN 200910170745A CN 200910170745 A CN200910170745 A CN 200910170745A CN 101669463 A CN101669463 A CN 101669463A
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- wick
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/20—Poisoning, narcotising, or burning insects
- A01M1/2022—Poisoning or narcotising insects by vaporising an insecticide
- A01M1/2061—Poisoning or narcotising insects by vaporising an insecticide using a heat source
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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
- A01N25/18—Vapour or smoke emitting compositions with delayed or sustained release
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Abstract
The present invention provides a structural element, a manufacturing method thereof, a steam scatter, a method and a sleeve thereof. The structural element is composed of fiber structural elements andparticles. At least partial particles exist with a form of an aggregate which adheres to the fiber structural elements. The structural element can quickly and stably absorb liquid and evaporate the liquid. The structural element can be used as a liquid absorbing core of a steam scatter such as a liquid absorbing type hot steam scattering desinsection device.
Description
Technical field
The present invention relates to a kind ofly comprise fibrous material and be attached to the structure of the particle on the fibrous material, be used to prepare the method for this structure, comprise steam scatter, the steam spreading method of this structure and be used for the external member of steam spreading.
Background technology
In order to control mosquito, conventionally used imbibition type heat steam spreading insect-killing device, so that insecticide evaporation and they are discharged in the air in the room effectively.These insect-killing devices are worked usually in the following manner: insert the upper end of the wick (wick) in the holder that accommodates chemical liquid by heating, make the chemical liquid evaporation that is absorbed by wick.In imbibition type heat steam spreading insect-killing device, use the wick that absorbs liquid, described wick is a porous, and has the space of adjoining, so that chemical liquid stably evaporates.This device is constructed such that chemical liquid can be absorbed by the capillarity that chemical liquid moves and evaporate in the fine voids of wick.
JP55-58047A discloses a kind of wick that is used for imbibition type heat steam spreading insect-killing device, and described wick is the product by adopting adhesive (sizing agent) to obtain as the mixture of dextrin or the glued mineral dust of starch such as activated clay, diatomite and talcum and wood powder or powdered carbon.JP5-328884A and JP 8-205744A disclose a kind of wick separately, have the liquid-adsorption layer of being made by fiber at the center of described wick, and described layer is coated with the knitted fabric of fiber; And a kind of product is disclosed, wherein above-mentioned knitted fabric is also covered by siloxane finish, thereby liquid-adsorption layer is fixed on the knitted fabric.
Summary of the invention
The problem to be solved in the present invention
Yet disclosed wick shows low rate of liquid aspiration in JP 55-58041A, and the absorption chemical liquid needs a few hours.Therefore, absorb the chemical liquid of necessary amounts to prepare that this liquid evaporation is needed for a long time to wick.
The problem that disclosed wick exists in JP 5-328884A or JP 8-205744A is that rate of liquid aspiration is low, and wick absorbs the chemical liquid of necessary amounts to prepare that this liquid evaporation is needed for a long time.
The present invention considers these problems and carries out that an one purpose provides a kind of structure, and described structure can absorb liquid fast and stably under the situation of not using adhesive or resin, and steam deployment capabilities excellence.
The means of dealing with problems
In order to address the above problem, structure of the present invention is characterised in that it comprises particle and fiber construct, and at least a portion of described particle exists with the form that is attached to the aggregation on the fiber construct.
In structure of the present invention, the average grain diameter of suitable is described particle is 1 to 500 μ m.
In structure of the present invention, suitable is that described particle is an inorganic particulate.
In structure of the present invention, suitable is that described inorganic particulate is a silica.
In structure of the present invention, suitable is that described fiber construct is made by paper, textile fabric or adhesive-bonded fabric.
In structure of the present invention, suitable is that described structure is a column.
One of preferable use of structure of the present invention is a wick, and structure of the present invention is one of the preferred embodiments of the invention as the purposes of wick.
Steam scatter of the present invention is characterised in that to have:
Holder, described holder accommodates vaporizable liquid; With
Wick, described wick is made by structure of the present invention, and described wick is provided with in the following manner: the part of described wick is immersed in the described vaporizable liquid, and another part of described wick is exposed to the outside of described holder.
Suitable is, and steam scatter of the present invention also has is used to heat the heater of the part of described wick, and a described part is not immersed in the described vaporizable liquid.
In steam scatter of the present invention, suitable is that described vaporizable liquid comprises insecticide component.
In steam scatter of the present invention, suitable is that described vaporizable liquid also comprises organic solvent.
In steam scatter of the present invention, suitable is described vaporizable liquid also comprises water except that comprising described organic solvent and described insecticide component.
In steam scatter of the present invention, suitable is that described insecticide component is a pyrethroid compound.
Steam spreading method of the present invention is characterised in that and comprises following operation:
The part of structure of the present invention is immersed in vaporizable liquid, thereby makes described structure absorb described liquid; With
Discharge the steam that produces by absorbed vaporizable liquid from the surface of described structure.
The external member that is used for the steam spreading of the present invention is characterised in that and comprises structure of the present invention.
The method that is used to prepare structure of the present invention is characterised in that and comprises:
Absorption step, that is, the dispersion liquid that at least a portion of fiber construct and particle wherein are scattered in the liquid medium contacts, thereby makes the described dispersion liquid of described fibre structure bulk absorption; With
Remove step, that is, remove described liquid medium from the described fiber construct that absorbs described dispersion liquid.
In the method that is used for preparing structure of the present invention, suitable is in described absorption step, and it is to be immersed in the described dispersion liquid by at least a portion with described fiber construct to carry out that at least a portion of fiber construct is contacted with dispersion liquid.
In the method that is used for preparing structure of the present invention, suitable is that described fiber construct is a column, and in described absorption step, it is to be immersed in the described dispersion liquid by the longitudinal end with described fiber construct to carry out that at least a portion of fiber construct is contacted with dispersion liquid.
In the method that is used for preparing structure of the present invention, suitable is to remove described liquid medium from the described fiber construct that absorbs described dispersion liquid to be undertaken by the described fiber construct of drying.
In the method that is used for preparing structure of the present invention, suitable is to repeat described absorption step and the described step that removes, the ratio of the described particle that contains in described fiber construct becomes 10 to 95 weight %, and condition is that to make the weight of described structure be 100 weight %.
In the method that is used for preparing structure of the present invention, the concentration of suitable the is described particle in the described dispersion liquid is 1 to 50 weight %.
In the method that is used for preparing structure of the present invention, the average grain diameter of suitable is described particle is 1 to 500nm.
In the method that is used for preparing structure of the present invention, suitable is that described fiber construct is made by paper, textile fabric or adhesive-bonded fabric.
In the method that is used for preparing structure of the present invention, suitable is that described particle is an inorganic particulate.
In the method that is used for preparing structure of the present invention, suitable is that described inorganic particulate is a silica.
Structure of the present invention is characterised in that it is by any preparation in the said method.Advantage of the present invention
The present invention can provide a kind of can be fast and stably absorb liquid and make the structure of its evaporation.
Description of drawings
Fig. 1 is the schematic sectional view according to the imbibition type heat steam spreading insect-killing device of an exemplary of the present invention.
Fig. 2 shows the SiO that draws by the EPMA (electron probe microanalyzer) according to the cross section of the wick of an exemplary of the present invention
2Result's figure.
Fig. 3 is the figure of demonstration according to the electron micrograph image of the wick of an exemplary of the present invention.
Fig. 4 is the SiO of demonstration according to EPMA (electron probe microanalyzer) drafting of the cross section of the wick of another exemplary of the present invention
2Result's figure.
Fig. 5 is the SiO of demonstration according to EPMA (electron probe microanalyzer) drafting of the cross section of the wick of another exemplary of the present invention
2Result's figure.
Fig. 6 is the figure of demonstration according to the electron micrograph image of the wick of another exemplary of the present invention.
Fig. 7 is the curve map that shows the steam deployment capabilities of wick.
Fig. 8 is the curve map that shows the steam deployment capabilities of wick.
Embodiment
[structure]
Structure of the present invention is characterised in that it contains particle and fiber construct, and at least a portion of described particle exists with the form that is attached to the aggregation on the fiber construct.Described structure can be suitable as and for example absorb liquid, makes the wick of its evaporation then.Wick of the present invention can be suitable as the wick 1 of imbibition type heat steam spreading insect-killing device 5 as shown in fig. 1.In addition, it also can be suitable as the wick of aromatization device, odor removal etc.Describe imbibition type heat steam spreading insect-killing device 5 shown in Figure 1 subsequently in detail.
(fiber construct)
Wick of the present invention comprises the fiber construct as base material.In this manual, fiber construct also can be called as base material.Described fiber construct is made of the thin linear object of a plurality of gatherings, and described linear object is commonly called fiber, and described fiber construct has the space that is surrounded by the fiber of assembling.Fiber construct preferably comprises hydrophilic fibre, and more preferably paper, textile fabric or the adhesive-bonded fabric of imbibition ability excellence.Although fiber construct itself has excellent imbibition ability, particle is present in the form of aggregation makes wick excellent aspect the shape stability and can stablize and absorb liquid apace in the fiber construct.If use paper as fiber construct, then wick is stable, even and it is put into aqueous solvent, it also can keep its structure.As aqueous solvent, expection makes water or hydrophilic solvent.
The paper that is used as fiber construct is the product that obtains by the following method: will be scattered in the water from the fibrous material (paper pulp) of plant such as timber separation, the dispersion of gained is dispersed in net (net) or net (screen) to be gone up and makes and can form thin layer, paper pulp is tangled, dehydration and dry.In paper, the paper bag that classifies as toilet paper is drawn together tissue paper, toilet paper, paper handkerchief etc., and these paper are characterised in that their high water absorbing capacity.Particularly toilet paper is preferably as being used for paper of the present invention.
The textile fabric or the adhesive-bonded fabric that are used as fiber construct are made by native fiber, chemical fibre, synthetic fibers, inorfil etc., and any can suitably the selection according to the purposes of expecting in these fibers.Alleged herein native fiber is can be available from the fiber of naturally occurring material.Plant-derived native fiber comprises cotton, hemp, bamboo and paper pulp.The native fiber that is derived from animal comprises wool and silk.
Chemical fibre is the fiber that obtains by the naturally occurring material of chemical treatment, and comprise artificial silk and cuprammonium rayon and acetate (triacetic acid) cellulose that produces by cellulosic chemical treatment, described artificial silk and cuprammonium rayon be by being dissolved in cellulose such as paper pulp in the solvent, then regenerated cellulose and obtaining.Synthetic fibers are the fibers by the raw material chemosynthesis such as oil, and they have many examples, as nylon, polyester, acrylic fiber, polypropylene, polyurethane and vinylon.Inorfil comprises glass fibre, metallic fiber and carbon fiber.
(particle)
In wick of the present invention, the chemical composition that is attached to the particle on the fiber construct is not subjected to concrete restriction.Although various materials can be used for particle, suitably use inorganic substances, organic substance and their mixture.The example that can suitably be used for particle of the present invention is as follows.
Inorganic substances comprise alkali metal, alkaline earth metal, transition metal and non-ferrous metal, and its instantiation comprises gold, palladium, platinum, silver and aluminium or their oxide, hydroxide, sulphide or salt, as carbonate and sulphate, and further example comprises oxide, hydroxide, sulphide or salt such as the carbonate and the sulphate of silicon, aluminium, zinc, magnesium, calcium, barium, titanium, zirconium, manganese, iron, cerium, nickel, tin etc.In these particles, preferred inorganic particulate, and preferred especially silica.
Organic substance comprises resin etc., and the example of resin comprises vistanex such as polyethylene, polypropylene and polystyrene; Acrylic resin such as polymethyl methacrylate; Polyamide is as hexamethylene diamine-adipic acid condensation polymer; Mylar is as PETG and PLA; Polyether resin is as polyphenylene oxide and polypropylene glycol; Polycarbonate resin; With the liquid crystal type resin.
Be attached to the size and dimension of the particle of the aggregation on the fiber construct for formation, can use any particle, described particle has particle can be admitted so little size in the space in fiber construct.Particularly preferred particle is to make them to be scattered in those particles that the form of the colloidal solution in the liquid medium is supplied to particle wherein so for a short time.When from colloidal solution supply particle, although can being in them, particle can be scattered in virtually any size so little in the liquid medium by the colloid shape, but preferably using average grain diameter is 1 to 500nm, more preferably 2nm to 100nm, the more preferably particle of 5nm to 70nm also is because they can easily be handled.Particle diameter can be selected according to the purposes of expection.Space in the fiber construct is more little and porosity is low more, and the rate of liquid aspiration when being used as wick is low more.
Conventional colloidal solution can be used as and be used for above-mentioned colloidal solution of the present invention.The example of these colloidal solution comprises colloidal metal solution, colloidal oxide solution, hydroxide colloid solution, carbonate colloidal solution and sulphate colloidal solution.The example of the metallic element that contains in colloidal metal solution comprises gold, palladium, platinum and silver.The example of the element that contains in colloidal oxide solution, hydroxide colloid solution, carbonate colloidal solution and sulphate colloidal solution comprises silicon, aluminium, zinc, magnesium, calcium, barium, titanium, zirconium, manganese, iron, cerium, nickel and tin.Particularly, preferably use colloidal oxide solution or hydroxide colloid solution, particularly colloidal oxide solution.When using colloidal oxide solution, resulting wick contains the silica as particle.Such wick is preferred, because its warm tolerance is excellent.
Wick of the present invention has enough shape stabilities, because it comprises particle and fiber construct, and at least a portion of described particle exists with the form that is attached to the aggregation on the fiber construct.Therefore, wick shows stable imbibition stability.Particularly when using paper as fiber construct, wick shows excellent shape stability in waterborne liquid.Therefore,, make its evaporation then, also keep the shape of wick, and can stablize and liquid absorption fast and evaporation even make wick absorb aqueous chemical solution.
In the present invention, the shape of wick is to determine according to the shape of fiber construct.For example, can obtain column such as columned wick by using the fiber construct that has formed column.Can obtain the wick of plate-like form or sheet form by using the fiber construct that has been configured as tabular or sheet form.The optimum fiber structure extends such structure on the direction of fiber construct imbitition, because liquid can flow well.For example, when forming the cylindrical fibre structure, can be with paper by being configured as its spiral wound cylindrical from the one side.At this moment, therefore the direction that paper extends absorbs apace corresponding to cylindrical vertical.
Wick of the present invention can prepare under the situation of inapplicable adhesive such as varnish.In addition, because the kind of used particle, particle diameter etc. can change, therefore can change the steam deployment capabilities of wick by the variation of these factors, the result can easily control evaporation.
[being used to prepare the method for structure]
The method that is used to prepare structure of the application of the invention can prepare the structure that is used as wick.In this exemplary embodiment, the method that is used to prepare structure of the present invention is to be described as an example by the method that will be used to prepare wick.The method that is used to prepare wick of the present invention is characterised in that and comprises: absorption step, that is and, the dispersion liquid that at least a portion of fiber construct and particle wherein are scattered in the liquid medium contacts, thereby makes the described dispersion liquid of described fibre structure bulk absorption; With remove step, that is, remove described liquid medium from the described fiber construct that absorbs described dispersion liquid.Can prepare wick by for example following method: the dispersion liquid that the fiber construct made by fiber and particle wherein are scattered in the liquid medium contacts so that described structure absorbs dispersion liquid, thereby described dispersion liquid is filled in the fiber construct, removes the liquid medium in the dispersion liquid that has absorbed simultaneously.By such method, at least a portion of particle is hunted down and is attached on the fiber of fiber construct, and the result can be filled into particle in the fiber construct with high density.
Here, wherein particle is scattered in dispersion liquid in the liquid medium and is enough to become that particle wherein is scattered in the liquid medium and the dispersion liquid that do not have sedimentation.For particle being dispersed to higher degree, surfactant, emulsifier etc. can be joined in the dispersion liquid.Although the liquid medium that particle is dispersed in wherein is not subjected to concrete restriction, for the simplification of preparation equipment, to the viewpoint of the load of environment etc., preferred water.Although the concentration of the particle in dispersion liquid is not subjected to concrete restriction, it is generally 1 to 50 weight %.For particle being filled with high density and assembling preferred higher concentration, and the concentration of preferred 20 to 50 weight %.
The method that is used to fiber construct is contacted with dispersion liquid for example can be, wherein at least a portion of fiber construct is put into the method for dispersion liquid, or wherein with the method for dispersed liquid coating (applied) to the fiber construct.When being placed on fiber construct in the dispersion liquid, fiber construct can be completely infused in the dispersion liquid.Alternatively, fiber construct partly can be placed in the dispersion liquid, make dispersion liquid be dispersed on the fiber construct by capillarity.
If fiber construct only is partially immersed in the dispersion liquid, thereby make it absorb dispersion liquid, then this is favourable, because only draw the liquid of necessary amounts, therefore, does not waste liquid.In addition, by continuing submergence in dispersion liquid simultaneously removing solvent, perhaps by repeat liquid medium remove and with the contacting of dispersion liquid, can increase the concentration of the particle in the fiber construct.Particularly, suitable is the repetition absorption step and removes step until the particle that contains aequum, and form required aggregation.At this moment, can repeat absorption step and remove step to become 10 to 95 weight % until the ratio that is attached to the particle on the fiber construct, condition is that to make the weight of wick be 100 weight %.When using the fiber construct of column, can be immersed in dispersion liquid by vertical end and carry out the liquid absorption fiber construct.When using sprayer etc. to spray dispersion liquid, perhaps use brush with dispersed liquid coating to fiber construct the time, suitable is that dispersion liquid fully is immersed in the fiber construct.
The method that is used for removing from the fiber construct that is filled with dispersion liquid liquid medium can be the fiber construct that for example natural seasoning has at room temperature absorbed dispersion liquid, perhaps forcibly impels the liquid medium evaporation by using drier to heat.By removing liquid medium, only particle is attached on the fiber, and particle flocks together and harden, and has therefore given hardness and the resistance to liquid that is suitable as wick to fiber construct.At this moment, the ratio that is attached to the particle on the fiber construct is preferably 10 to 95 weight %, 50 to 90 weight % more preferably, and condition is that to make the weight of wick be 100%.Fiber construct reaches wherein, and the dispersion liquid of dispersed particle can contain pigment, dyestuff, antioxidant, UV absorbent, preservative etc. as required.
By the wick that is used for preparing the method preparation of wick of the present invention, at least a portion of particle is attached on the fiber construct and exists with the form of aggregation, and particle is filled in the fiber construct with high density.Therefore, wick has sufficiently high shape stability.Therefore, can stablize and absorb liquid apace and make its evaporation.
[steam scatter and steam spreading method]
Steam scatter of the present invention is characterised in that to have: holder, and described holder accommodates vaporizable liquid; And wick, described wick is made by structure of the present invention, and described wick is provided with in the following manner: the part of described wick is immersed in the described vaporizable liquid, and another part of described wick is exposed to the outside of described holder.The insecticide liquid that contains insecticide component by use is as vaporizable liquid, and steam scatter of the present invention can be as for example insect-killing device.In this exemplary embodiment, wherein use structure of the present invention as wick and use steam scatter of the present invention to describe as an example by providing as the situation of insect-killing device.Insect-killing device of the present invention can be an imbibition type heat steam spreading insect-killing device, and described imbibition type heat steam spreading insect-killing device also has the heater (heater) of a part that is used to heat described wick, and a described part is in the outside of insecticide liquid.
Below with reference to Fig. 1 an exemplary that comprises the imbibition type heat steam spreading insect-killing device of wick of the present invention is described.Fig. 1 is the schematic sectional view that imbibition type heat steam spreading insect-killing device 5 of the present invention is shown.As shown in fig. 1, imbibition type heat steam spreading insect-killing device 5 has cylindrical wick 1, be used to heat the ring heater 2 of wick 1, be used to the holder 4 that supports the heater support 3 of heater 2 and be filled with insecticide liquid.
In the distance between heater 2 and the wick 1 usually in the scope at 0.5mm to 2mm, and secure context suitable be that the heating-up temperature of heater 2 is below 150 ℃.Wick 1 is set usually makes that its inner bottom part that inserts that the bottom in holder 4 can be positioned at from holder 4 is that 0mm is to about 2mm place.Do not waste and it is used up in order to draw the insecticide liquid in the holder 4, suitable is the place, bottom that as much as possible bottom is arranged near holder.
Be not subjected to concrete restriction although form the material of holder 4, even as long as in that it is non-leakage or leaks the material of chemical solution after the long time, but preferably clear material such as glass and plastics, by this transparent material, can remain in the residual quantity of the chemical liquid the holder from visual examination.In addition, preferably has the material of UV shielding properties to prevent the chemical reagent light degradation.Imbibition type heat steam spreading insect-killing device 5 can be equipped with the indicator lamp that indicates whether to apply electric current.
In the present invention, various conventionally known insecticides can be used as insecticide component contained in the insecticide solution, and the example comprises pyrethroid insectide, carbamate pesticide and organophosphorus insecticide.The suitable pyrethroid insectide that uses, because their safety is high usually, and the example comprises allethrin, bioallethrin, prallethrin, methoxy benzyl Flumethrin (metofluthrin), third Flumethrin (profluthrin), transfluthrin, tetramethrin, ether chrysanthemum ester, resmethrin, PH, permethrin, phenothrin, sumicidin, the S-sumicidin, cypermethrin, cyphenothrin (cyphenothrin), fenpropathrin, fenfluthrin, empenthrin, terallethrin, dtetramethrin, cyphenothrin, tralomethrin and decis.
The example of carbamate pesticide comprises Bassa (BPMC), Evil worm ketone (methoxadiazone), alanycarb, oxamyl, carbosulfan, Benfuracard micro, Methomyl, carbaryl (MAC), the two prestige of sulphur and ethiofencarb.The organic phosphorous insecticide example comprises sumithion, orthene, diazinon and malathion.
In addition, insecticide liquid can contain the synergist of the effect that strengthens these insecticides, for example piperonyl butoxide (butoxide), N-octyl group double-heptene dicarboxyl acid imide, N-(2-ethylhexyl)-1-isopropyl-4-methyl bicycle [2,2,2] suffering-5-alkene-2,3-dicarboxyl acid imide and eight chlorine dipropyl ethers.Based on the content of insecticide component, the content of synergist is preferably 0.1 to 10 times.
The concentration of the insecticide component in insecticide liquid is preferably 0.3 weight % to 20 weight %, and the concentration in the scope of 0.3 weight % to 5 weight % more preferably.These insecticide components can use separately or alternatively can be used in combination.In case of necessity, assistant agent such as stabilizing agent, deodorant and colouring agent can be added in the insecticide liquid slightly.On the other hand, in the purposes of aromatization purpose, can use the liquid that contains one or more artificial aromatic to be immersed in wherein liquid as wick.In addition, can also use all ingredients for various purposes, as deodorant, bactericide and repellant.The solution form of these components after also can be in the mixing material that is dissolved in organic solvent or organic solvent and water used.
In insect-killing device of the present invention, insecticide liquid can be the solution that obtains by in the mixing waterborne liquid that insecticide component is dissolved in organic solvent or organic solvent and water.Although the solvent in insecticide liquid is not particularly limited, the example comprises only by the oil-based liquid of solvent composition and the waterborne liquid of being made up of solvent and water.The solvent that is used for oil-based liquid generally includes organic solvent, and preferably include saturated hydrocarbon solvent (promptly, aliphatic saturated hydrocarbon solvent and alicyclic saturated hydrocarbon solvent), and comprise that more preferably being selected from boiling point is one or more members in 180 ℃ to 310 ℃ the saturated hydrocarbon solvent.The instantiation of such saturated hydrocarbon solvent comprises No.0 Solvent H (being produced by Nippon Oil Corporation), No.0 Solvent M (producing) by Nippon Oil Corporation, No.0 Solvent L (producing) by Nippon Oil Corporation, normal paraffin hydrocarbons (Normal Paraffin) (producing) by Nippon OilCorporation, IP Solvent 2028 (by Idemitsu Kosan Co., Ltd. produces), Norpar12 (producing) by ExxonMobil Chemical, Norpar 13 (producing) by ExxonMobil Chemical, Norpar 15 (producing) by ExxonMobil Chemical, Isopar M (producing) by ExxonMobilChemical, Isopar L (producing) by ExxonMobil Chemical, Isopar V (producing) by ExxonMobil Chemical, Exxol D80 (producing) by ExxonMobil Chemical, Exxol D110 (producing) and Exxol D130 (producing) by ExxonMobilChemical by ExxonMobil Chemical.
In order to control the evaporation of insecticide liquid, for example, can be that the high boiling solvent more than 300 ℃ joins in the insecticide liquid with boiling point.Its instantiation comprises ester or derivative of fatty acid; as isopropyl laurate, dibutyl phthalate, dibutyl sebacate, acetyl tributyl citrate and MCT Oil, higher alcohol such as octyldodecanol and oil and fatty, as corn oil.
The example that is used for the solvent of waterborne liquid comprises: obtain 100 ℃ to the 180 ℃ temperature ranges that are to use the heater heating by being added to the water at 100 ℃ of surfactants to 180 ℃ of evaporations as JP 3-7207A is disclosed; And disclosed as JP 7-316002A, by the solvent that hydrophilic organic solvent is added to the water and obtains, described hydrophilic organic solvent has lower molecular weight and falls into boiling point in 100 ℃ to 300 ℃ the scope, and evaporation when heating.Can in the mixing material of such hydrophilic organic solvent and water, add hydrophily diol compound, hydrophily alcoholic compound etc. as the evaporation conditioning agent.
Insect-killing device of the present invention has wick of the present invention.Therefore, if make wick absorb insecticide liquid, the absorbed liquid of heating and the form with steam discharges from the surface of wick then, then the shape of wick is maintained, and this device can stably and carry out the absorption and the evaporation of liquid apace.
Steam spreading method of the present invention can carry out as disinsection method by for example using insecticide liquid.In this exemplary embodiment, steam spreading method of the present invention is by describing disinsection method as an example.In disinsection method of the present invention, wick of the present invention partly is immersed in the insecticide liquid that contains insecticide component, make wick absorb liquid, the form with steam discharges absorbed liquid to wick from its surface then.For the viewpoint of evaporation efficiency, suitable is to heat the wick that absorbs insecticide liquid.In an exemplary, wick partly is immersed in the insecticide liquid, and partly heats the not submergence part of wick.Disinsection method of the present invention also can the application of the invention above-mentioned disinsection method carry out.Because disinsection method of the present invention uses wick of the present invention, therefore produce insecticidal effect apace, and insecticidal effect continues stably.
[external member that is used for the steam spreading]
Can use the external member of steam spreading that is used for of the present invention as the external member that for example is used for pesticidal use.In this exemplary embodiment, by the external member that will be used for pesticidal use the external member that is used for the steam spreading of the present invention is described as an example.The external member that is used for pesticidal use is characterised in that and comprises the structure of the present invention that is used as wick.The external member that is used for pesticidal use preferably has the insecticide liquid that contains insecticide component.Insecticide component can be the insecticide component that is selected from the above as wrapping in those that the example of stating insecticide component contained in the insect-killing device provides.The external member that is used for pesticidal use of the present invention has wick of the present invention at least.This can improve the shape stability of the wick in the liquid, keeps the imbibition ability of wick simultaneously.As a result, can realize the stable of liquid and absorb fast and evaporate.
Describe the present invention in more detail below with reference to embodiment, but the invention is not restricted to described embodiment.
[embodiment]
[the 1. preparation of wick]
With a slice KIMWIPES (registration mark) " WIPER 8-200 " (paper pulp 100%, be of a size of 215mm * 120mm, by NIPPON PAPER CRECIA Co., Ltd. produces) be folded into two halves in its longer side, roll (rolled) then from an one edge tightly and become column.Be cut to the 73mm length consistent with the height of heater.Therefore, prepare base material A.The heavy 0.6g of base material.In addition, the PET film is wound on around the base material A, makes that film can covering substrates, and use adhesive tape fixing wound end.In the glass tube of 50cc, the average grain diameter of placing 10cc is that 20nm and solid concentration are the cataloid liquid (by Nissan Chemical Industries, " SNOWTEX 20 " that Ltd. produces) of 20 weight %.Base material A is upright, and its bottom (1cm is long) is immersed in the cataloid liquid.After 30 minutes, base material A is mentioned from cataloid solution, and flatly keep spending the night.Then, remove the PET film, and base material is left standstill until its bone dry.The material that obtains is like this become wick A.The heavy 1.2g of wick A after drying, and the amount of the silicon dioxide granule that adheres to is 50 weight %.
Subsequently, with with the preparation of wick A in identical method prepare wick B, difference is that it is that 70nm and solid concentration are the cataloid liquid (by Nissan Chemical Industries, " the SNOWTEX ZL " that Ltd. produces) of 40 weight % that base material is immersed in average grain diameter.After drying, the heavy 2.3g of wick B, and the amount of the silicon dioxide granule that adheres to is 74 weight %.
The analysis result of wick B is shown in Fig. 2 and 3.Fig. 2 is the SiO that the EPMA (electron probe microanalyzer) of the cross section on the top that shows wick B (that is, be not immersed in the cataloid liquid end) draws
2Result's figure.In Fig. 2, shown backscattered electron image (BSE) in the left side, and shown the Si drawing image of same section on the right side.As shown in Figure 2, many silicon dioxide granules accumulates in the fiber of base material of wick B.
Fig. 3 is the figure that shows the electron micrograph image of wick B.In Fig. 3, shown in the upper left side with the accelerating potential of 10.0kV and * image that the enlargement ratio of 10.0k is taken, shown in the upper right side with the accelerating potential of 10.0kV and * image that the enlargement ratio of 50.0k is taken, and the lower-left side shown with the accelerating potential of 10.0kV and * image that the enlargement ratio of 100.0k is taken.As shown in Figure 3, so many silicon dioxide granule is assembled and is attached on the fiber of base material, so that can not observe the fiber of base material.
Subsequently, with with the preparation of wick A in identical method prepare wick C, difference is that it is that 5nm and solid concentration are the cataloid liquid (by Nissan Chemical Industries, " the SNOWTEX XS " that Ltd. produces) of 20 weight % that base material is immersed in average grain diameter.After drying, the heavy 2.3g of wick B, and the amount of the silicon dioxide granule that adheres to is 74 weight %.After drying, the heavy 1.4g of wick C, and the amount of the silicon dioxide granule that adheres to is 57 weight %.
The analysis result of wick C is shown among Fig. 4 to 6.Fig. 4 is the SiO that the EPMA (electron probe microanalyzer) of the cross section of the bottom that shows wick C (that is, be immersed in the cataloid liquid end) draws
2Result's figure.Fig. 5 is the SiO that the EPMA (electron probe microanalyzer) of the cross section on the top that shows wick C (that is, be not immersed in the cataloid liquid end) draws
2Result's figure.In Figure 4 and 5, shown backscattered electron image (BSE) in the left side, and shown the Si drawing image of same section on the right side.As shown in Figures 4 and 5, many silicon dioxide granules accumulate in the intrastitial upper and lower of the base material of wick C.
Fig. 6 is the figure that shows the electron micrograph image of wick C.In Fig. 6, shown in the upper left side with the accelerating potential of 10.0kV and * image that the enlargement ratio of 10.0k is taken, shown in the upper right side with the accelerating potential of 10.0kV and * image that the enlargement ratio of 50.0k is taken, and the lower-left side shown with the accelerating potential of 10.0kV and * image that the enlargement ratio of 100.0k is taken.As shown in Figure 6, so many silicon dioxide granule is assembled and is attached on the fiber of base material, so that can not observe the fiber of base material.
Subsequently, with with the preparation of wick A in identical method prepare wick D, difference is base material is immersed in cataloid liquid, this cataloid liquid is by being that the cataloid liquid of 20nm is (by Nissan Chemical Industries with average grain diameter, Ltd. " SNOWTEX 20 " of Sheng Chaning) and average grain diameter be that the cataloid liquid (by NissanChemical Industries, " the SNOWTEX XS " that Ltd. produces) of 5nm mixes with 1: 1 ratio and prepares solid concentration is adjusted to 20 weight %.After drying, the heavy 1.4g of wick D, and the amount of the silicon dioxide granule that adheres to adds up to 57 weight %.
With with the preparation of wick A in identical method prepare wick E, difference is to use the filter tip (girth is 24mm, cuts into the length of 70mm, and weight is 0.4g) of cigarette to replace base material A.After drying, the heavy 1.2g of wick E, and the amount of the silicon dioxide granule that adheres to is 67 weight %.As a comparative example, use commercially available talcum wick (diameter is 73mm as 7mm and length) as wick F.
[2. being used for the preparation of the solvent of insecticide liquid]
By using the mixed solvent of being made up of Norpar 13 (being produced by ExxonMobil Chemical) and Norpar 15 (being produced by ExxonMobil Chemical) (Norpar 13/Norpar 15=7 weight/3 weight) to prepare oil-based solvent, both are the saturated hydrocarbon solvent that is purchased Norpar 13 and Norpar 15.Aqueous solvent prepares by using the mixed solvent of being made up of the 2-that is purchased (2-butoxy ethyoxyl) second alcohol and water (2-(2-butoxy ethyoxyl) second alcohol and water=7 weight/3 weight).
[3. heat steam dispensing device]
By using heat steam dispensing device as shown in fig. 1 to carry out the measurement of the evaporation rate of each wick.Here, used holder 4 is the holders that are purchased, and it is high cylindrical of 55mm, is made by transparent plastic, and the bottom internal diameter is 40mm, and is 35mm to the height of bottle shoulder, and internal diameter is 16mm.As the wick support member (not shown) that is used to support wick, the support member that use is made by the soft plastic material of lid shape, it is the hole of 7mm that described support arrangement has the diameter consistent with the external diameter of wick 1, and can seal the 4 feasible non-leakage or leakages of chemical liquid that are installed in the bottle of chemical solution bottle.
As the ring heater 2 of the upper surface that is used for the wick 1 that indirect stretches out from holder 4, use sphering to form the sheet metal of internal diameter as the wide 15mm of the ring of 10mm.The bottom that the heater support 3 that is used to support heater 2 is positioned at ionization liquid bottles (bottom) is 60 to 75mm height place, that is, and and the position on the top of corresponding wick 1.Heater 2 is arranged to have about 130 ℃ temperature by applying electric current.
[the 4. measurement of evaporation rate]
With the oil-based solvent filling holder 4 of 30g by method for preparing.Wick A to F is set respectively makes the one end be immersed in the oil-based solvent, and contact with the bottom of holder 4.Then, measure gross weight.Add thermal storage 4 at about 130 ℃.By every through certain hour with the holder 4 calculating evaporation rate of weighing, exhaust until oil-based solvent.The result is presented among Fig. 7.As shown in Figure 7, wick A-F makes oil-based solvent with constant speed evaporation separately, and the solvent in bottle 4 exhausts.
Then, use aqueous solvent to replace oil-based solvent, carry out the measurement of evaporation rate in the mode identical with the mode of above-mentioned wick A and F.The result is presented in the table 1.As shown in Figure 8, as using the situation of oil-based solvent, wick A makes oil-based solvent with constant speed evaporation, and the solvent in bottle 4 exhausts.The evaporation rate of energy measurement wick F not is because wick dissolving immediately after being immersed in aqueous solvent.
In table 1, provided the average evaporation rate of various wick.
Table 1
As shown in table 1, wick A-E according to the present invention shows the steam deployment capabilities that is equivalent to conventional wick F.In addition,, therefore can not use, even wick A of the present invention when using aqueous solvent, also shows stable and excellent steam deployment capabilities although conventional wick F is dissolved in the aqueous solvent.
Industrial usability
According to the present invention, can provide can be in long-time liquid-absorbing and make its evaporation stably Structure. Therefore, this structure go for absorbing various insecticide solutions, aromatized solution, Deodorizing solution etc. and make the evaporimeter of its evaporation.
Claims (26)
1. structure, it comprises:
Particle; With
Fiber construct,
At least a portion of wherein said particle exists with the form that is attached to the aggregation on the described fiber construct.
2. structure according to claim 1, wherein said particle has the average grain diameter of 1 to 500 μ m.
3. structure according to claim 1 and 2, wherein said particle is an inorganic particulate.
4. structure according to claim 3, wherein said inorganic particulate is a silica.
5. according to each described structure in the claim 1 to 4, wherein said fiber construct is paper, textile fabric or adhesive-bonded fabric.
6. according to each described structure in the claim 1 to 5, wherein said fiber construct be shaped as column.
7. steam scatter, it comprises:
Holder, described holder accommodates vaporizable liquid; With
Wick, described wick is by making according to each described structure in the claim 1 to 6, described wick is provided with in the following manner: the part of described wick is immersed in the described vaporizable liquid, and another part of described wick is exposed to the outside of described holder.
8. steam scatter according to claim 7, described steam scatter also comprise the heater of a part that is used to heat described wick, and a described part is not immersed in the described vaporizable liquid.
9. according to claim 7 or 8 described steam scatters, wherein said vaporizable liquid comprises insecticide component.
10. steam scatter according to claim 9, wherein said vaporizable liquid also comprises organic solvent.
11. steam scatter according to claim 10, wherein said vaporizable liquid also comprises water.
12. steam scatter according to claim 9, wherein said insecticide component is a pyrethroid compound.
13. a steam spreading method, described method comprises following operation:
To be immersed in the vaporizable liquid according to the part of each described structure in the claim 1 to 6, thereby make described structure absorb described liquid; With
Discharge the steam that produces by absorbed vaporizable liquid from the surface of described structure.
14. an external member that is used for the steam spreading, it comprises according to each described structure in the claim 1 to 6.
15. one kind by the wick of making according to each described structure in the claim 1 to 6.
16. a method that is used to prepare structure, described method comprises:
Absorption step, that is, the dispersion liquid that at least a portion of fiber construct and particle wherein are scattered in the liquid medium contacts, thereby makes the described dispersion liquid of described fibre structure bulk absorption; With
Remove step, that is, remove described liquid medium from the described fiber construct that absorbs described dispersion liquid.
17. method according to claim 16, wherein in described absorption step, it is to be immersed in the described dispersion liquid by the described at least a portion with described fiber construct to carry out that at least a portion of fiber construct is contacted with dispersion liquid.
18. method according to claim 17, wherein said fiber construct is a column, and in described absorption step, it is to be immersed in the described dispersion liquid by the longitudinal end with described fiber construct to carry out that at least a portion of fiber construct is contacted with dispersion liquid.
19. according to each described method in the claim 16 to 18, wherein remove in the step, remove described liquid medium from the described fiber construct that absorbs described dispersion liquid and undertaken by the described fiber construct of drying described.
20. according to each described method in the claim 16 to 19, wherein repeat described absorption step and the described step that removes, the ratio of the described particle that contains in described fiber construct becomes 10 to 95 weight %, and condition is that to make the weight of described structure be 100 weight %.
21. according to each described method in the claim 16 to 20, the concentration of the described particle in the wherein said dispersion liquid is 1 to 50 weight %.
22. according to each described method in the claim 16 to 21, the average grain diameter of wherein said particle is 1 to 500nm.
23. according to each described method in the claim 16 to 22, wherein said fiber construct is paper, textile fabric or adhesive-bonded fabric.
24. according to each described method in the claim 16 to 23, wherein said particle is an inorganic particulate.
25. method according to claim 24, wherein said inorganic particulate is a silica.
26. one kind by the structure according to each described method preparation in the claim 16 to 25.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008235249 | 2008-09-12 | ||
| JP2008235250 | 2008-09-12 | ||
| JP2008235250 | 2008-09-12 | ||
| JP2008235249 | 2008-09-12 |
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| CN101669463A true CN101669463A (en) | 2010-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN200910170745A Pending CN101669463A (en) | 2008-09-12 | 2009-09-09 | Structural element and manufacturing method thereof, steam scatter, method and sleeve thereof |
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| Country | Link |
|---|---|
| KR (1) | KR101669275B1 (en) |
| CN (1) | CN101669463A (en) |
| AR (1) | AR073558A1 (en) |
| BR (1) | BRPI0903351B1 (en) |
| IT (1) | IT1395667B1 (en) |
| MY (1) | MY179385A (en) |
| TW (1) | TWI488577B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104957252A (en) * | 2015-07-09 | 2015-10-07 | 安徽宜留电子科技有限公司 | Insect preventing device for granary storage |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI488577B (en) | 2015-06-21 |
| KR101669275B1 (en) | 2016-10-25 |
| AR073558A1 (en) | 2010-11-17 |
| BRPI0903351A2 (en) | 2010-06-22 |
| BRPI0903351B1 (en) | 2018-02-14 |
| IT1395667B1 (en) | 2012-10-16 |
| MY179385A (en) | 2020-11-05 |
| TW201023739A (en) | 2010-07-01 |
| ITTO20090693A1 (en) | 2010-03-13 |
| KR20100031474A (en) | 2010-03-22 |
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