CN102350186A - Moistureproof pressure-maintaining drying agent - Google Patents
Moistureproof pressure-maintaining drying agent Download PDFInfo
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- CN102350186A CN102350186A CN201110200260XA CN201110200260A CN102350186A CN 102350186 A CN102350186 A CN 102350186A CN 201110200260X A CN201110200260X A CN 201110200260XA CN 201110200260 A CN201110200260 A CN 201110200260A CN 102350186 A CN102350186 A CN 102350186A
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Abstract
The invention relates to a drying agent, specifically to a moistureproof pressure-maintaining drying agent for a tightly sealed instrument which can work in a wet or underwater environment. The drying agent provided by the invention is composed of a substance A and a substance B, wherein the mass ratio of the substance A to the substance B is 1: 1-1.5; the substance A is a mixture of a peroxide or a peroxide with an uperoxide; and the substance B is an organic acid. The drying agent has strong water absorption and can rapidly release nontoxic and tasteless oxygen with the maximum water absorption amount being 24% of its weight and the maximum oxygen release amount being 44% of its weight. The drying agent becomes a white powder after absorbing water, is suitable for an instrument which operates in an underwater or wet environment, and can be used to guarantee a drying environment inside the instrument, increase the pressure inside the instrument shell and alleviate and prevent continuous immersion of water molecules.
Description
Technical field:
The present invention relates to drier, specifically is a kind of moistureproof pressurize drier that is applicable to the instrument and meter that is operated in good seal in humidity or the underwater environment.
Background technology:
The working environment of most of instrument and meter is all in the deep-well that relatively wetness is bigger in the feedwater water supply industry, even is immersed in the water.Steam can be seeped in the product shell in product long-play process, influences the life-span and the runnability of electronic device.
The measure the most widely of present moistureproof way is to add the conventional dry drying prescription, DeGrain.Existing desiccant product (1) silica-gel desiccant: main component is a silica, is granulated or pearl through purification processing by natural minerals.Be used for the storage of instrument, instrument, apparatus, leather, case and bag, footwear, textile, food, medicine etc. and the relative humidity that transportation controls environment, prevent that article from making moist, go mouldy and corrosion; (2) mineral agent drier: adopt pure natural raw mineral materials and active hygroscopic agent refining to form, be used for the preserved in dry atmosphere of optical instrument, electronic product, medical health care, packaging for foodstuff and war products and the product for civilian use; (3) quick lime drier: be white or linen block; (4) fiber drying agent: formed through the special process exquisiteness by pure natural plant fiber, processing technology is complicated, and processing cost is high.
Because the humidity of working environment is relatively large, hydrone content is quite high.And have steam in the housing of instrument and meter hardly, so water diffusion can take place.In airtight instrument housing, only absorb water vapour; Then can increase the inside and outside pressure reduction of housing promptly is fully immersed in the water when product; The pressure that the pressure of water produces greater than air in the housing; Thereby make hydrone constantly penetrate in the housing; The conventional dry drying prescription is consumed fully very soon; And increase the housing inside and outside differential pressure and form vicious circle, influence the operate as normal of electronic device.
Summary of the invention:
The present invention is intended to solve that existing drier exists penetrates into the problem that steam in the electronic product casing increases the inside and outside pressure reduction of housing because of absorption; And provide a kind of steam that can either absorb effectively to reach the moistureproof effect that dehumidifies; Can keep the air pressure in the airtight instrument again, effectively stop steam to continue the moistureproof pressurize drier that in instrument, permeates.
The technical scheme that the present invention solves said problem employing is:
A kind of moistureproof pressurize drier is made up of A material and B material, and the mass ratio of A material and B material is 1:1-1.5, and the A material is the mixture of peroxide or peroxide and superoxides; The B material is an organic acid.
Said peroxide is potassium peroxide and sodium peroxide a kind of or its mixture wherein.
Said superoxides is potassium superoxide or sodium superoxide or ultra rubidium oxide or ultra cesium oxide.
Said organic acid is oxalic acid and citric acid a kind of or its mixture wherein.
The particle diameter of said Peroxides and Superoxides is 0-6mm.
The particle diameter of said oxalic acid and citric acid is 0-8mm.
In the technical scheme according to the invention,, make it to emit rapidly oxygen and increase the pressure in the instrument and meter if simple sodium peroxide or the potassium peroxide of using can still in order better to adapt to the field working conditions requirement, add superoxides to satisfy moisture effect completely in right amount.The A material belongs to alkalescence, and it is acid that the B material belongs to, if a large amount of water inlets in the unexpected instrument and meter, the acid-base neutralization reaction can take place A B material, reduces alkaline harm.
Compared with prior art, advantage of the present invention is: have very strong water absorbing properties, and can discharge nonpoisonous and tasteless oxygen very soon.Maximum can absorb 24% of own wt, discharge 44% oxygen of own wt.Suction back be a white powder, be applicable to be operated under water or moist instrument and meter in, not only guaranteed the environment that instrument internal is dry but also increased the pressure in the Instrument shell, alleviate and stop hydrone to continue immersion.
The specific embodiment:
Further set forth the present invention through embodiment below, purpose only is to understand better content of the present invention.Therefore, the example of being lifted does not limit protection scope of the present invention.
Thing to be tested: 13 little power consumption measuring and control terminal enclosure, material is Reinforced Nylon, classification of waterproof IP66, is of a size of 320mm * 244mm * 80mm.One O-ring seal is arranged between loam cake and the housing, step up screw with 14 and step up.Weigh in the balance during experiment and get 26 gram anhydrous cupric sulfates, be divided into impartial 13 parts and put into 13 housings respectively.Copper sulphate is directly contacted with the A material.
Embodiment 1:
Raw material: 1 part of A material; 1.5 part B material.The A material is a sodium peroxide; The B material is: oxalic acid.
All raw materials are evenly mixed, adopt the fire prevention tribute silk lining of good water permeability to pack as required.
Embodiment 2:
Raw material: 1 part of A material; 1.5 part B material.The A material is a potassium peroxide; The B material is a citric acid.
All raw materials are evenly mixed, adopt the fire prevention tribute silk lining of good water permeability to pack as required.
Embodiment 3:
Raw material: 1 part of A material; 1.5 part B material.The A material is made up of 70% sodium peroxide and 30% potassium peroxide; The B material is made up of 70% oxalic acid and 30% citric acid.
All raw materials are evenly mixed, adopt the fire prevention tribute silk lining of good water permeability to pack as required.
Embodiment 4:
Raw material: 1 part of A material; 1 part of B material.The A material is made up of 75% sodium peroxide and 25% sodium superoxide; The B material is an oxalic acid.
All raw materials are evenly mixed, adopt the fire prevention tribute silk lining of good water permeability to pack as required.
Embodiment 5:
Raw material: 1 part of A material; 1 part of B material.The A material is made up of 75% sodium peroxide and 25% potassium superoxide; The B material is an oxalic acid.
All raw materials are evenly mixed, adopt the fire prevention tribute silk lining of good water permeability to pack as required.
Embodiment 6:
Raw material: 1 part of A material; 1.2 part B material.The A material is made up of 75% potassium peroxide and 25% sodium superoxide; The B material is an oxalic acid.
All raw materials are evenly mixed, adopt the fire prevention tribute silk lining of good water permeability to pack as required.
Embodiment 7:
Raw material: 1 part of A material; 1.2 part B material.The A material is made up of 75% potassium peroxide and 25% potassium superoxide; The B material is an oxalic acid.
All raw materials are evenly mixed, adopt the fire prevention tribute silk lining of good water permeability to pack as required.
Embodiment 8:
Raw material: 1 part of A material; 1.3 part B material.The A material is made up of 85% sodium peroxide and 15% ultra rubidium oxide; The B material is an oxalic acid.
All raw materials are evenly mixed, adopt the fire prevention tribute silk lining of good water permeability to pack as required.
Embodiment 9:
Raw material: 1 part of A material; 1.3 part B material.The A material is made up of 85% potassium peroxide and 15% ultra rubidium oxide; The B material is a citric acid.
All raw materials are evenly mixed, adopt the fire prevention tribute silk lining of good water permeability to pack as required.
Embodiment 10:
Raw material: 1 part of A material; 1.4 part B material.The A material is made up of 90% sodium peroxide and 10% ultra cesium oxide; The B material is a citric acid.
All raw materials are evenly mixed, adopt the fire prevention tribute silk lining of good water permeability to pack as required.
Embodiment 11:
Raw material: 1 part of A material; 1.4 part B material.The A material is by 90% potassium peroxide 90% and 10% ultra cesium oxide; The B material is a citric acid.
All raw materials are evenly mixed, adopt the fire prevention tribute silk lining of good water permeability to pack as required.
Actual moistureproof pressurize contrast test:
The drier of the foregoing description 1-11 preparation is done contrast with commercially available common drier test, each prepares 15 and restrains, and test condition is: the housing of Reinforced Nylon is immersed in 35 ℃ the water.
Test result such as following table:
| The drier source | Four months immersion amounts (mL) | The anhydrous cupric sulfate state |
| Embodiment 1 | 2.1 |
 |
| Embodiment 2 | 2.2 |
 |
| Embodiment 3 | 2.0 |
 |
| Embodiment 4 | 1.9 |
 |
| Embodiment 5 | 2.3 |
 |
| Embodiment 6 | 2.2 | |
| Embodiment 7 | 2.1 |
 |
| Embodiment 8 | 1.9 |
 |
| Embodiment 9 | 2.0 | |
| Embodiment 10 | 2.2 |
 |
| Embodiment 11 | 2.1 |
 |
| Commercially available quick lime drier | 3.2 | |
| The commercial alumina drier | 3.5 |
 |
See that from test result drier of the present invention has good moistureproof pressurize effect to the instrument and meter that is operated in humidity or the water.
Points for attention:
The lining of, good water permeability ventilative with fire protection flame retarding tribute silk, glass fibre etc. is as encapsulating material.Lining outside layer of plastic film excellent sealing.The packing case material is preferably selected the iron sheet packing case for use, is convenient to transportation and management.Can avoid the staff under careless situation, water to be sprinkled upon on the drier and meet accident with fire protection flame retarding lining encapsulation, with the layer of plastic film excellent sealing can stop in transportation or when storing active ingredient and the steam in the middle of the air of moistureproof pressurize drier react and avoid reducing its content of effective.
After the A material consumption finishes, need focus on.Processing method is prepared one barrel of water, in earlier the A material being aborted, and then the B material is thrown in into.Water can be outwelled after spending a few minutes.
Claims (6)
1. a moistureproof pressurize drier is made up of A material and B material, it is characterized in that, the mass ratio of A material and B material is 1:1-1.5, and the A material is the mixture of peroxide or peroxide and superoxides; The B material is an organic acid.
2. moistureproof pressurize drier as claimed in claim 1 is characterized in that, said peroxide is potassium peroxide and sodium peroxide a kind of or its mixture wherein.
3. moistureproof pressurize drier as claimed in claim 1 is characterized in that, said superoxides is potassium superoxide or sodium superoxide or ultra rubidium oxide or ultra cesium oxide.
4. moistureproof pressurize drier as claimed in claim 1 is characterized in that, said organic acid is oxalic acid and citric acid a kind of or its mixture wherein.
5. moistureproof pressurize drier as claimed in claim 1 is characterized in that the particle diameter of said Peroxides and Superoxides is 0-6mm.
6. moistureproof pressurize drier as claimed in claim 1 is characterized in that the particle diameter of said oxalic acid and citric acid is 0-8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110200260.XA CN102350186B (en) | 2011-07-18 | 2011-07-18 | Application of moistureproof pressure-maintaining drying agent in instrument with good seal in humid or underwater environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110200260.XA CN102350186B (en) | 2011-07-18 | 2011-07-18 | Application of moistureproof pressure-maintaining drying agent in instrument with good seal in humid or underwater environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102350186A true CN102350186A (en) | 2012-02-15 |
| CN102350186B CN102350186B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110200260.XA Expired - Fee Related CN102350186B (en) | 2011-07-18 | 2011-07-18 | Application of moistureproof pressure-maintaining drying agent in instrument with good seal in humid or underwater environment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071070U (en) * | 1989-12-27 | 1991-02-13 | 广东煤矿安全仪器厂 | Mine filting type oxygen-producing life self-saving device |
| CN1287869A (en) * | 1999-09-09 | 2001-03-21 | 吉海平 | Oxygen generator used in room |
| JP2003260328A (en) * | 2002-03-13 | 2003-09-16 | Shin Etsu Polymer Co Ltd | Drying agent having cushioning function |
| EP2093162A1 (en) * | 2008-02-20 | 2009-08-26 | Airsec S.A.S. | Moisture absorbing polymeric formulations with enhanced absorption properties |
| US20100101421A1 (en) * | 2007-03-26 | 2010-04-29 | Takaaki Kanazawa | Exhaust-gas converting apparatus (as amended) |
| CN102144664A (en) * | 2010-12-27 | 2011-08-10 | 山东营养源食品科技有限公司 | Solid hydrogen peroxide sustained release preparation and preparation method thereof |
-
2011
- 2011-07-18 CN CN201110200260.XA patent/CN102350186B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071070U (en) * | 1989-12-27 | 1991-02-13 | 广东煤矿安全仪器厂 | Mine filting type oxygen-producing life self-saving device |
| CN1287869A (en) * | 1999-09-09 | 2001-03-21 | 吉海平 | Oxygen generator used in room |
| JP2003260328A (en) * | 2002-03-13 | 2003-09-16 | Shin Etsu Polymer Co Ltd | Drying agent having cushioning function |
| US20100101421A1 (en) * | 2007-03-26 | 2010-04-29 | Takaaki Kanazawa | Exhaust-gas converting apparatus (as amended) |
| EP2093162A1 (en) * | 2008-02-20 | 2009-08-26 | Airsec S.A.S. | Moisture absorbing polymeric formulations with enhanced absorption properties |
| CN102144664A (en) * | 2010-12-27 | 2011-08-10 | 山东营养源食品科技有限公司 | Solid hydrogen peroxide sustained release preparation and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN102350186B (en) | 2014-04-09 |
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