CN106839662B - Product with internal humidity adjusting function - Google Patents
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- CN106839662B CN106839662B CN201611196990.6A CN201611196990A CN106839662B CN 106839662 B CN106839662 B CN 106839662B CN 201611196990 A CN201611196990 A CN 201611196990A CN 106839662 B CN106839662 B CN 106839662B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/16—Drying solid materials or objects by processes not involving the application of heat by contact with sorbent bodies, e.g. absorbent mould; by admixture with sorbent materials
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Abstract
The invention discloses a product with an internal humidity adjusting function, which comprises a cavity, wherein a humidity adjusting mixture is packaged in the cavity, and the humidity adjusting mixture is used for adjusting the internal humidity of the cavityThe surface of at least one side of the cavity is covered with a microporous membrane material; the conditioning mixture is silica SiO with high specific surface area2The material is the main component, the super absorbent resin, the desiccant and the molecular sieve are the auxiliary materials, and one or more of the materials are mixed according to the proportion. In such a way, the invention can adopt SiO2The principle that substances absorb and release water molecules in the air is to use SiO2The humidity adjusting products with various structural shapes are prepared by using the substances as basic components, so that the relative humidity of the air in small and miniature sealed shells such as the network camera, the automobile lamp and the like is lower than 35%, the fog and condensation phenomenon that the micro-moisture humid air in the small and miniature sealed shell products such as the network camera, the automobile lamp and the like is generated on the inner surface of a smooth and transparent shell is solved, and the optical performance of the network camera and the automobile lamp is effectively exerted.
Description
Technical Field
The invention relates to the field of humidity adjustment, in particular to a high-specific-surface-area silicon dioxide SiO for a network camera, an automobile lamp and a camera2Articles whose substance regulates the internal humidity.
Background
The fog and condensation phenomenon of micro moisture humid air in small and miniature sealed shell products such as network cameras, automobile lamps (such as LED cold light source lamps) and the like on the inner surface of a smooth and transparent shell causes that the optical performance of the network cameras and the automobile lamps can not work normally. After fog and condensation are formed inside the transparent shell of the network camera, the monitoring image is a piece of white flower, and at the moment, the monitoring object is in an invalid monitoring state, so that an undetermined event can occur; after fog and condensation are formed inside the automobile lamp, the light transmittance of the transparent lampshade of the automobile lamp is sharply reduced, and the driving safety is affected.
Therefore, some small miniature sealing shell products such as the network camera, the automobile lamp and the like are internally provided with a drying agent bag or a molecular sieve adsorbent, some small miniature sealing shell products such as the network camera, the automobile lamp and the like are provided with air holes, and the air holes are covered with air-permeable microporous membranes, so that the measures are poor in using effect; the desiccant bag or the molecular sieve is saturated in a short time after absorbing water vapor, the water vapor absorbed by the desiccant bag or the molecular sieve is required to be separated out and heated at a high temperature of hundreds of degrees, and the network camera, the automobile lamp and the like are generally used in a working environment at-40-70 ℃, so that the temperature requirement for reversibly decomposing the water vapor absorbed by the desiccant bag or the molecular sieve cannot be met; the method is characterized in that air holes are formed in small miniature sealing shells such as a network camera and an automobile lamp, an air-permeable microporous film is covered on the air holes, moist high-concentration moist air in an external environment (rain and fog weather) quickly diffuses and permeates into the small miniature sealing shells to reach a saturated water vapor state, when the dew point of the saturated water vapor state is close to the temperature of the external atmospheric environment, after the transparent smooth shells of the network camera and the automobile lamp are blown by wind or rain, the inner surface of the transparent smooth shells is fogged and condensed to be opaque, so that monitoring optical signals received by the camera are seriously blocked by the fogs, and a monitoring image is a piece of white flowers; after the fog condensation inside the automobile lamp, the light emitted by the automobile lamp is not far irradiated by the serious obstruction of the fog condensation, the light of the automobile lamp becomes yellow, the light transmittance of the transparent lampshade of the automobile lamp is sharply reduced, and the driving safety is affected.
Some small miniature sealing shell products such as the internet protocol camera, the automobile lamp and the like are internally provided with a drying agent bag or a molecular sieve adsorbent, some small miniature sealing shell products such as the internet protocol camera, the automobile lamp and the like are provided with air holes, and the air holes are covered with air-permeable microporous membranes, so that the technical problem that air in the small miniature sealing shell products such as the internet protocol camera, the automobile lamp and the like is condensed and fogged cannot be solved by the measures.
Disclosure of Invention
The invention mainly solves the technical problem of providing a product with an internal humidity adjusting function, which can eliminate the phenomenon of fog and condensation generated by micro moisture humid air in small and miniature sealed shell products such as a network camera, an automobile lamp and the like on the inner surface of a smooth and transparent shell, so that the optical performance of the network camera and the automobile lamp can be effectively and durably exerted.
In order to solve the technical problems, the invention adopts a technical scheme that: the product comprises a cavity, a humidity-adjusting mixture is packaged in the cavity, and at least one side surface of the cavity is covered with a microporous membrane material.
In a preferred embodiment of the invention, the conditioning mixture is a high surface area silica SiO2The material is the main component, the super absorbent resin, the desiccant and the molecular sieve are the auxiliary materials, and one or more of the materials are mixed according to the proportion.
In a preferred embodiment of the present invention, the microporous membrane material is an expanded polytetrafluoroethylene membrane, a non-woven fabric or a membrane material with moisture absorption capability.
In a preferred embodiment of the invention, the article is of an injection molded shell, a blister shell, a film or a non-woven fabric envelope structure.
In a preferred embodiment of the invention, the injection-molded and suction-molded casing product is formed by filling a humidity-controlling mixture into a casing of an injection-molded part, one side surface of the casing is covered with a microporous membrane material, and water molecules are adsorbed by the humidity-controlling mixture through the microporous membrane material and accumulated in the humidity-controlling mixture.
In a preferred embodiment of the invention, the product of the film or non-woven fabric packaging structure is formed by filling the humidity-adjusting mixture in a cavity made of the microporous film material and packaging the cavity by the plastic bottom plate, and water molecules are absorbed by the humidity-adjusting mixture through the microporous film material on three sides and accumulated in the humidity-adjusting mixture.
In a preferred embodiment of the invention, the manufacturing method of the injection molding and plastic uptake shell product comprises the following steps: firstly, injecting a humidity-adjusting mixture which is matched into the injection molding shell, then covering and welding the injection molding shell with a microporous membrane material, and finally drying at a low temperature.
In a preferred embodiment of the present invention, the method of making the film or nonwoven encapsulated structure article is: firstly, injecting a humidity-adjusting mixture which is matched into a concave cavity made of a microporous membrane material, then covering and welding the concave cavity with a plastic film bottom plate, and finally drying at a low temperature.
The invention has the beneficial effects that: the invention adopts SiO2The principle that substances absorb and release water molecules in the air is to use SiO2The humidity adjusting products with various structural shapes are prepared by taking the substances as basic components, and are applied to small and miniature sealed shell products such as network cameras, automobile lamps and the like, so that the relative humidity of air in the small and miniature sealed shells such as the network cameras, the automobile lamps and the like is lower than 35%, and the phenomenon of fogging and condensation on the inner surface of the smooth and transparent shell is basically avoided; thereby solving the fog and condensation phenomenon of micro moisture humid air in small and micro sealed shell products such as network cameras, automobile lamps and the like on the inner surface of a smooth and transparent shell, and even if the external environment climate changes greatly, humidifying the products to ensure that the small and micro sealed shell products are small and microThe air humidity in the sealed shell product is stable, so that the optical performance of the network camera and the automobile lamp can be effectively exerted.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a preferred embodiment of an article with internal humidity conditioning capability according to the present invention;
FIG. 2 is a schematic structural diagram of a preferred embodiment of the article with internal humidity conditioning function of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, an embodiment of the present invention includes:
a product with an internal humidity adjusting function comprises a cavity, wherein a humidity adjusting mixture is packaged in the cavity, and at least one side surface of the cavity is covered with a microporous membrane material.
The microporous membrane material is an expanded polytetrafluoroethylene membrane, non-woven fabric or other membrane materials with moisture absorption capacity.
The conditioning mixture refers to silica SiO with high specific surface area2The material is used as basic component, and is supplemented with mixture of super absorbent resin, desiccant and molecular sieve (such as activated carbon) in different proportions, wherein the desiccant refers to iron-based deoxidizer, calcium oxide, aluminum oxide, magnesium oxide, strontium oxide, magnesium chloride, activated carbon, etc.
Several formulation ratios of the conditioning mixture were as follows:
general northern dry climate mix formulation for indoor environment: SiO 2285% of substance, 5% of super absorbent resin, 5% of molecular sieve (such as activated carbon) and 5% of oxygen scavenger (such as iron powder).
Mixture formula for general wet south climate: SiO 2270% of substance, 20% of super absorbent resin, 5% of molecular sieve (such as activated carbon) and 5% of oxygen scavenger (such as iron powder).
The formula of the mixture for weather in a humid and cold environment comprises the following components: SiO 2270% of substance, 10% of super absorbent resin, 10% of dry oxidant (such as calcium oxide, aluminum oxide, magnesium oxide and strontium oxide), 5% of molecular sieve (such as activated carbon) and 5% of oxygen scavenger (such as iron powder).
Mixture formulation for indoor environment: SiO 2290% of substance, 10% of super absorbent resin and 5% of oxygen scavenger (such as iron powder).
The formula of the mixture for repairing the outdoor environment and needing quick recovery performance comprises the following components: SiO 2265% of substance, 15% of super absorbent resin, 10% of drying agent, 5% of dry oxidant (such as calcium oxide, aluminum oxide, magnesium oxide and strontium oxide) and 5% of oxygen scavenger (such as iron powder). The silica substance generally refers to a light nano solid material which is formed by mutually aggregating nano-scale ultrafine particles to form a nano porous network structure and is filled with a gaseous dispersion medium in network pores. The silica substance is white powder in appearance and is non-toxic.
SiO2The substance is a light nano porous amorphous solid material with excellent heat-proof and heat-insulating properties, the porosity of the material is as high as 80-99.8%, the typical size of the pores is 1-100nm, and the specific surface area is 200-2A/g, and a density of 3kg/m3The thermal conductivity coefficient at room temperature can be as low as 0.012W/(m.k), and the material has wide application potential in the aspects of thermal, acoustic, optical, microelectronic and particle detection due to the characteristics.
SiO2The substance has large specific surface area and high porosity, SiO2Most of hydrophilic-OH on the surface of colloidal particles, and a large number of hydrophilic groups, namely silicon hydroxyl, on the surface of substances make the colloidal particles easily adsorb water in the airMolecule, SiO2The material has a special microstructure such as a three-dimensional nanoparticle framework (framework particles are 2-5 nm), a high specific surface area, a nanometer hole, low density and the like, so that the material has strong water molecule adsorption performance; when SiO is present2When the air contacted with the substance has higher humidity (rain and fog days), the substance can absorb a large amount of water molecules in the contacted humid air, and when SiO is used2When the humidity of the air contacted with the substance is low (sunny day), the adsorbed water molecules, namely SiO, can be quickly released into the dry air contacted with the substance2The nano-aperture in the substance is left out, and water molecules of the next wave of humid air are waited to be adsorbed into the substance. SiO 22The capacity of the substance to regulate storage and release water molecules can occur at atmospheric ambient temperature without the need for SiO2The substance provides energy or temperature.
Drying agent: iron-based deoxidizers, calcium oxide, aluminum oxide, magnesium oxide, strontium oxide, magnesium chloride, activated carbon and the like.
SiO for network camera, automobile lamp and camera2The product for regulating internal humidity is SiO2The substance is a basic component, and is assisted with different proportions of the drying agent and the molecular sieve (such as activated carbon) to solve the internal fogging and condensation phenomena of the network video camera, the automobile lamp and the camera working in different environments, so that the performance of the camera can be effectively exerted and the camera can work reliably.
1 g of water has 3.34 multiplied by 10 water molecules22The diameter of a water molecule is 0.4nm, and the area of one water molecule is 0.1256nm2Specific surface area of 1m2SiO of (2)2The substances can be adsorbed and arranged at 7.96 multiplied by 1018And (3) water molecules. Thus SiO2The specific surface area of the material is 200-1200m2Per gram of SiO2The number of water molecules adsorbed and stored by the substance is 1.59 multiplied by 1021-9.552×1021And (4) respectively. SiO 22The larger the specific surface area of the substance, the stronger the ability of the substance to absorb and release water molecules. The material has the characteristics of small particle size, low density, high specific surface area, high porosity and the like, and the microscopic network framework and the pores of the material generally enter the nanometer range.
Based on SiO2Substance to water in airThe law of molecular adsorption and release, SiO2The humidity adjusting products with various structural shapes are prepared by taking the substances as basic components, and are applied to small and miniature sealed shell products such as network cameras, automobile lamps and the like, so that the relative humidity of the air in the small and miniature sealed shell products such as the network cameras, the automobile lamps and the like is lower than 35%, the dew point temperature of the air in the small and miniature sealed shell products is very low and is lower than the cooling temperature of the external environment such as rainstorm or dense fog on the smooth transparent shell, and the phenomenon of fog condensation on the inner surface of the smooth transparent shell does not occur basically. Therefore, the problem that micro moisture and moist air in small and miniature sealed shell products such as the network camera, the automobile lamp and the like is subjected to the fogging and condensation phenomenon on the inner surface of the smooth and transparent shell is solved, and the optical performance of the network camera and the automobile lamp is effectively exerted.
The structure of the humidity-adjusting product is an injection molding shell, a plastic-absorbing shell, a film or non-woven fabric packaging structure.
The humidity control mixture 3 is filled in the injection/suction mold casing 2, one surface of the casing 2 is covered with the microporous film material 1, and water molecules are adsorbed by the humidity control mixture 3 through the microporous film material 1 and accumulated in the humidity control mixture 3, as shown in fig. 1.
The relative humidity of the air in the small and miniature sealed shells such as a network camera, an automobile lamp and the like is lower than 35%, so that the dew point temperature of the air in the small and miniature sealed shells is very low and is lower than the cooling temperature of the external environment such as rainstorm or dense fog to the smooth transparent shell, and the phenomenon of fogging and condensation on the inner surface of the smooth transparent shell is basically avoided.
When the exterior of the humidity-controlling product is very dry and has very low humidity, water molecules accumulated in the humidity-controlling product mixture are released and diffused into small miniature sealed shells such as network cameras and automobile lamps through the microporous membrane, the water molecules released by the mixture are further diffused into the dry atmosphere outside the shells through the positions which are not tightly sealed on the miniature sealed shells such as the network cameras and the automobile lamps or the cavities of the macromolecular chain groups of the shells, and at the moment, the mixture in the humidity-controlling product vacates a large amount of specific surface area to wait for adsorbing the water molecules diffused and infiltrated in the rain fog weather of the next wave.
The bottom of the humidity control product is provided with the pressure sensitive adhesive patch 4, and the humidity control product is only adhered in small and miniature sealed shells such as a network camera, an automobile lamp and the like, so that the humidity control product is convenient to assemble. The humidity of the mixture of the humidity-adjusting product is continuously absorbed and released by water molecules according to the humidity of the atmospheric environment of the network camera, the automobile lamp and the like, so that the humidity in the small micro space of the network camera, the automobile lamp and the like is adjusted, the phenomenon of fogging and condensation can not occur when the interior of the network camera, the automobile lamp and the like is dried, and the performance of the humidity-adjusting product is effectively exerted for a long time.
The manufacturing method comprises the following steps: firstly, a humidity-adjusting mixture 3 which is matched is injected into an injection and suction plastic part shell 2, then a microporous membrane material 1 is welded with the injection plastic part shell 2 in a covering mode, a pressure-sensitive adhesive patch 4 is bonded at the bottom, and finally the mixture is dried at the low temperature of 50 ℃.
The product with a film or non-woven fabric packaging structure is formed by filling a humidity-controlling mixture 2 'in a cavity made of a microporous film material 1', and packaging the cavity by a plastic bottom plate 3 ', wherein water molecules are absorbed by the humidity-controlling mixture 2' through the microporous film material 1 'on three sides and accumulated in the humidity-controlling mixture 2', as shown in fig. 2.
The relative humidity of the air in the small and miniature sealed shells such as a network camera, an automobile lamp and the like is lower than 35%, so that the dew point temperature of the air in the small and miniature sealed shells is very low and is lower than the cooling temperature of the external environment such as rainstorm or dense fog to the smooth transparent shell, and the phenomenon of fogging and condensation on the inner surface of the smooth transparent shell is basically avoided.
When the exterior of the humidity control product with the membrane or non-woven fabric packaging structure is very dry and very low in humidity, water molecules accumulated in the mixture of the humidity control product with the packaging structure are released and diffused into small miniature sealing shells such as network cameras and automobile lamps through the microporous membrane, the water molecules released by the mixture are continuously diffused into the dry atmosphere outside the shells through the positions which are not tightly sealed on the small miniature sealing shells such as the network cameras and the automobile lamps or the cavities of the macromolecular chain groups of the shells, and at the moment, the mixture in the humidity control product with the packaging structure vacates a large specific surface area to wait for adsorbing the water molecules diffused and infiltrated in the rain and fog weather of the next wave.
The bottom of the humidity control product with the packaging structure is provided with the pressure sensitive adhesive patch 4', and the humidity control product with the packaging structure can be conveniently assembled only by sticking the humidity control product with the packaging structure in small miniature sealing shells such as network cameras, automobile lamps and the like.
The mixture of the humidity-adjusting product with the encapsulation structure continuously absorbs moisture and releases water molecules according to the humidity condition of the atmospheric environment of the network camera, the automobile lamp and the like, so that the humidity in small micro-spaces of the network camera, the automobile lamp and the like is adjusted, the phenomenon of fogging and condensation can not occur when the interiors of the network camera, the automobile lamp and the like are dried, and the performance of the humidity-adjusting product is effectively exerted for a long time.
The manufacturing method of the product with the encapsulated structure comprises the following steps: firstly, injecting a humidity-adjusting mixture 2 'which is matched with the micro-porous membrane material 1' into a concave cavity, then covering and welding a plastic film bottom plate 3 'with the concave cavity, adhering a pressure-sensitive adhesive patch 4' on the bottom plate, and finally drying at a low temperature of 50 ℃.
The product with the internal humidity adjusting function is SiO2The substance is used as a basic component, and is assisted with different proportions of super absorbent resin, drying agent and molecular sieve (such as activated carbon) to solve the internal fogging and condensation phenomena of the network camera, automobile lamp and camera working under different environments, and even if the external environment climate changes greatly, the humidity regulating product ensures that the air humidity in the small and miniature sealed shell product is stable, so that the performance of the product can be effectively exerted and reliably work.
With SiO2The substance is used as a basic component, and is assisted with different mixture ratios of super absorbent resin, drying agent and molecular sieve (such as activated carbon) to protect environment, has no toxicity and pollution, and RoHS, REACH (European Union regulation of chemical registration, evaluation, permission and restriction) and the like meet the regulation requirements.
The product with the function of internal humidity regulation is an effective method for eliminating the electric fogging condensation with low cost, and is SiO2The novel material such as substance is applied to the innovation of the electric fogging condensation.
The product with the internal humidity adjusting function is convenient to use and is convenient for large-batch production of the electric assembly line. The structure can be manufactured in large batch by using an automatic production line, and the supply requirement of the market is met.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A product with an internal humidity adjusting function is characterized by comprising a cavity, wherein a humidity adjusting mixture is packaged in the cavity, at least one side surface of the cavity is covered with a microporous membrane material, and the humidity adjusting mixture can absorb moisture and release water molecules; the conditioning mixture is silica SiO with high specific surface area2The material is the main component, the super absorbent resin, the desiccant and the molecular sieve are the auxiliary materials, and one or more of the materials are mixed according to the proportion;
the formula of the mixture for indoor environment of northern dry climate is as follows: SiO 2285% of substance, 5% of super absorbent resin, 5% of activated carbon and 5% of iron powder;
mixture formula for humid southern climate: SiO 2270% of substance, 20% of high water absorption resin, 5% of activated carbon and 5% of iron powder;
the formula of the mixture for weather in a humid and cold environment comprises the following components: SiO 2270% of substance, 10% of high water absorption resin, 10% of dry oxidant, 5% of activated carbon and 5% of iron powder;
the formula of the mixture for repairing the outdoor environment and needing quick recovery performance comprises the following components: SiO 2265% of substance, 15% of super absorbent resin, 10% of drying agent, 5% of dry oxidant and 5% of iron powder.
2. The article with internal humidity adjusting function according to claim 1, wherein the microporous membrane material is a bulk polytetrafluoroethylene membrane, a non-woven fabric or a membrane material with moisture absorption capability, and the microporous membrane material is a three-sided microporous membrane material.
3. The article with internal humidity conditioning function of claim 1, wherein the structure of the article is an injection molded shell, a blister shell, a film or a non-woven fabric wrapping structure.
4. The product with an internal humidity control function according to claim 3, wherein the injection-molded or suction-molded case product is a case filled with a humidity control mixture, one surface of the case is covered with a microporous film material, and water molecules are adsorbed by the humidity control mixture through the microporous film material and accumulated in the humidity control mixture.
5. The product having an internal humidity control function according to claim 3, wherein the product having a film or nonwoven fabric enclosure structure is a product in which a cavity made of a microporous film material is filled with a humidity control mixture and is enclosed by a plastic base plate, and water molecules are adsorbed by the humidity control mixture through the microporous film material on three sides and accumulated in the humidity control mixture.
6. The article with internal humidity conditioning function of claim 4, wherein the method for manufacturing the injection-molded and suction-molded case article is as follows: firstly, injecting a humidity-adjusting mixture which is matched into the shell of the injection molding part, then covering and welding the shell of the injection molding part with a microporous membrane material, and finally drying at a low temperature.
7. The article with internal humidity regulating function according to claim 5, wherein the film or nonwoven fabric wrapping structure is manufactured by a method comprising: firstly, injecting a humidity-adjusting mixture which is matched into a concave cavity made of a microporous membrane material, then covering and welding the concave cavity with a plastic film bottom plate, and finally drying at a low temperature.
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| CN201611196990.6A CN106839662B (en) | 2016-12-22 | 2016-12-22 | Product with internal humidity adjusting function |
| PCT/CN2016/112477 WO2018113003A1 (en) | 2016-12-22 | 2016-12-27 | Product having internal humidity adjusting function |
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| CN201611196990.6A CN106839662B (en) | 2016-12-22 | 2016-12-22 | Product with internal humidity adjusting function |
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| CN108579351B (en) * | 2018-06-05 | 2024-03-15 | 江苏泛亚微透科技股份有限公司 | Membrane assembly for drying and discharging moisture in shell through infrared radiation and demisting, preparation method of membrane assembly and rear cover of car lamp |
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| JP2005281094A (en) * | 2004-03-30 | 2005-10-13 | Toshiba Ceramics Co Ltd | Drying method for ceramic green body |
| CN104258695A (en) * | 2014-09-04 | 2015-01-07 | 青岛市高科专利技术转移平台有限公司 | Long-acting dehumidification drying agent |
| CN104402005B (en) * | 2014-10-27 | 2016-05-11 | 浙江理工大学 | A kind of preparation method of silica humidity adjusting material |
| CN205707838U (en) * | 2016-04-18 | 2016-11-23 | 惠安县泰达商贸有限责任公司 | A kind of can the tea packaging box of damping deodorization |
| CN206320998U (en) * | 2016-12-22 | 2017-07-11 | 常州源富新材料科技有限公司 | A kind of product with interior humidity regulatory function |
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| CN106839662A (en) | 2017-06-13 |
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