CN104724938A - Environmentally friendly high-boron glass frosting powder - Google Patents
Environmentally friendly high-boron glass frosting powder Download PDFInfo
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- CN104724938A CN104724938A CN201310715687.2A CN201310715687A CN104724938A CN 104724938 A CN104724938 A CN 104724938A CN 201310715687 A CN201310715687 A CN 201310715687A CN 104724938 A CN104724938 A CN 104724938A
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- sodium
- ammonium
- hydrogen fluoride
- frosting
- glass
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Abstract
The invention relates to the field of frosting powder manufacture and especially relates to environmentally friendly high-boron glass frosting powder. A preparation method of the environmentally friendly high-boron glass frosting powder comprises crushing ammonium fluoride, ammonium hydrogen fluoride, magnesium hydrogen fluoride, aluminum hydrogen fluoride, oxalic acid, sodium acetate, sodium silicate, ammonium fluoroborate, sodium fluoroborate, Al2O3, SiO2, sodium dodecanesulphonate, cellulose MCC, sodium hexametaphosphate and sodium polyacrylate according to a certain weight ratio, carrying out stirring to obtain uniform powder, and carrying out drying, packaging, examination and warehousing. The frosting powder is suitable for frosting processing on high-content boron and quartz hard glassware. The frosted finished product can be used in fields of glass light fixture, high temperature mirror, optical lens, vacuum tubes, ultraviolet germicidal lamps, chemical analysis apparatuses and glass handicraft.
Description
Technical field
The present invention relates to the making of glass frosting powder, refer in particular to a kind of environment-friendly type high boron glass frosting powder.
Background technology
Now commercially mainly with the strong Neutral ammonium fluoride of corrodibility for raw material, also useful be eliminated hydrofluoric, frosting effect is bad, dangerous again, cost availability is low, causes the wasting of resources to society, and particularly high boron glass hardness is high, urgently must invent a kind of etching intensity high, frosting is effective and cut and the frosting powder of environmental protection.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of environment-friendly type high boron glass frosting powder side be provided:
Could 1, how the interpolation of non-traditional etching reagent: what play a major role in frosting powder is fluorochemical, increase system salinity while providing etching reagent? that is exactly the kind increasing fluorochemical, optimizes its proportioning.The fluorochemical of a large amount of existence as positively charged ion deposit, can improve ionic strength, on the other hand, also can lay in as etching reagent fluorion on the one hand.Simultaneously in order to solve fluorochemical with acid-respons generates the too fast problem of hydrofluoric acid, to main raw material overall reorganization, add hydrogen fluoride magnesium, hydrogen fluoride aluminium, the add-on of minimizing Neutral ammonium fluoride and hydrogen fluoride amine.Hydrogen fluoride magnesium, the speed that hydrogen fluoride aluminium and acid-respons generate hydrofluoric acid is substantially weaker than Neutral ammonium fluoride and hydrogen fluoride amine, and this just makes etching reaction gentleer, is unlikely to cross strong due to local reaction and make etching face uneven.And hydrogen fluoride aluminium can also generate H in system
3alo
3, it is with the intermediate product H4Sio of frosting reaction
4the same, there is gelling properties, the active centre of reaction can be covered, play slow releasing function.This protective reaction makes erosional surface avoid continuing corrosion, is conducive to forming thin and uniform frosting face.
2, ionic strength adjustor: except fluorochemical and viscosity-controlling agent, also needs in frosting powder to add certain muriate, vitriol etc., to producing the little salt of solubleness, promoting that nucleus is formed, regulating ionic strength simultaneously.Traditional frosting powder generally adds inorganic salt, inorganic salt consume very little in frosting process, and generation is also had in frosting process, this just makes along with reaction is carried out, system ionic strength is increasing, and frosting effect reduces, these produce along with reaction generation is a large amount of and the salinity gathered makes the transparence of frosted layer reduce gradually.And these salinities also can cause the increase of system viscosity, part is even attached to glass surface and causes Lou illiteracy.By unified for the function of etching reagent and ionic strength adjustor, be faced with again another one problem, along with reaction is carried out, etching reagent and ionic strength adjustor all can have minimizing to a certain degree, and nucleus is difficult to be formed, and makes etch layer thickening, image distortion.Therefore, oxalic acid, sodium-acetate, water glass, ammonium borofluoride and Sodium tetrafluoroborate is added in this research.
The chemical frost of glass surface is exactly inherently the invasion of fluorion and the permutoid reaction of solar calendar.And this cationic permutoid reaction is exactly in fact, and hydrogen ion in glass is by other cationic exchange.Sodium ion and hydrionic size closest, this permutoid reaction the most easily occurs, and both electric charges are consistent, easily reach electrochemistry state of saturation.
Sodium-acetate on the one hand can regulation system salinity, provides sodium ion to participate in nucleus and is formed, can be used as sustained release dosage on the other hand.Sodium-acetate and hydrochloric acid reaction generate acetic acid, can regulation system acidity, control etching reaction.And oxalic acid, ammonium borofluoride, while Sodium tetrafluoroborate regulates ionic strength, also do inhibiter, this mainly comes from certain reductibility that they have.We know, the metal-salt of current potential calibration, as Cu
2+, Ni
2+, Mn
2+deng, be conducive to formation and the grain refining of nucleus, accelerate progress of etching, the positive potential of sodium ion is minimum.Simultaneously because they are divalent cations, for reaching charge balance, some anionic group of meeting bonding, makes rete thicken.Melt-processed simultaneously in Improving Glass Manufacturing Processes, make, chemical composition in glass is in reduction-state on the whole, this just makes glass surface molecule more responsive to some oxidation state, oxalic acid, ammonium borofluoride, Sodium tetrafluoroborate has certain reductibility, them are made to play slow releasing function, the generation of inhibited oxidation reaction.
3, viscosity modifier: the main component of frosting powder is inorganic salt, in system, a large amount of salinity exists, and makes the easy sedimentation of frosted liquid, so just cause solution the upper and lower frosting effect inconsistent, and lower floor easily occurs that raw material adheres to, and causes and Lou covers.Therefore, in frosted liquid, in order to ensure the homogeneity of solution, viscosity modifier must be added.Traditional viscosity modifier is barium sulfate and starch, uses barium sulfate and starch to cook viscosity modifier, before frosted liquid uses, must have certain curing time, fully react to make raw material.Have a large amount of suspended substances in system, can cause haphazard on the one hand therefore property leakage illiteracy, and after frosting process completes, need cleaning, this process can cause a large amount of losses of frosted liquid.
In this research, first application of active clay is as viscosity modifier, as wilkinite, kaolin.The main component of roc profit soil and kaolin is all Al
2o
3and SiO
2.Some solar calendar of village in the structure that its structure cell is formed, as copper, magnesium, sodium, potassium, iron etc., and the effect of these positively charged ions and their structure cell is not firm, easily by other cationic exchange, has good ion-exchange performance.Being used in LCD screen glass frosting powder, can suspension agent, stablizer being used as, except improving the viscosity of system, by absorption, exchange, the ionic strength of system can also be improved.
4, the interpolation of tensio-active agent uses: frosting reaction mainly occurs at glass surface, the existence of tensio-active agent, liquid can be controlled, solid between wetness degree.Thus improve frosted liquid at the tack of glass surface and deposition, heighten the release rate of effective constituent under frosting system and expanding area, improve frosting effect, accelerate etching speed.Meanwhile, adding of tensio-active agent, the surface tension of water can be reduced, be conducive to frosted liquid and form aqueous suspensions.Sodium laurylsulfonate is conventional tensio-active agent, and this research adds Microcrystalline Cellulose MCC, Sodium hexametaphosphate 99 and poly-Sodium Propionate simultaneously, and the application of kinds of surface promoting agent can be learnt from other's strong points to offset one's weaknesses, and plays the effect of various composition simultaneously.
For achieving the above object, technical formula production craft step provided by the invention is as follows: a, get ammonium fluoride, ammonium bifluoride, hydrogen fluoride magnesium, hydrogen fluoride aluminium main raw material, then adds a small amount of ionic strength adjustor (oxalic acid, sodium-acetate, water glass, ammonium borofluoride and Sodium tetrafluoroborate) and viscosity-controlling agent (Al
2o
3and SiO
2), tensio-active agent (sodium laurylsulfonate, Mierocrystalline cellulose MCC, Sodium hexametaphosphate 99 % and poly-Sodium Propionate) is for subsequent use; B, get institute standby material ammonium fluoride 25%, ammonium bifluoride 25%, hydrogen fluoride magnesium 15% by weight percentage, hydrogen fluoride aluminium 15% is main raw material, then adds a small amount of ionic strength adjustor (oxalic acid 3%, sodium-acetate 2%, water glass 1%, ammonium borofluoride 1% and Sodium tetrafluoroborate 1%) and viscosity-controlling agent (Al
2o
35% and SiO
25%), tensio-active agent (sodium laurylsulfonate 0.5%, Mierocrystalline cellulose MCC0.5%, Sodium hexametaphosphate 99 0.5% and poly-Sodium Propionate 0.5%); C, get b crushing material, stir, dry; D, get c gained semi finished package, check into stockyard.
Positive effect of the present invention is: 1, the sustainable use of frosting powder solution: the environmental protection of frosting process: only just have waste liquid when production process stops for a long time or stops and generate, and waste liquid discharges after neutralization with lime, can not to environment.3, the frosting processing of the hard glass goods such as various high boron, quartz is applicable to, frosting finished product is used for glass lamp, high temperature mirror, optical frames, valve tube, ultraviolet germicidal lamp, chemical analysis instrument, the fields such as Glass Craft, glasswork appearance uniform after frosting is fine and smooth, gloss is soft, spotless white as jade, gentle bright and clean.4, these product performance are stablized, and frosting powder can place 3 years, after solution allocation is good, can place three months by normal temperature.
Embodiment
Below in conjunction with a preferred embodiment, invention is further elaborated: for achieving the above object, technical formula production craft step provided by the invention is as follows: a, get ammonium fluoride, ammonium bifluoride, hydrogen fluoride magnesium, hydrogen fluoride aluminium main raw material, then adds a small amount of ionic strength adjustor (oxalic acid, sodium-acetate, water glass, ammonium borofluoride and Sodium tetrafluoroborate) and viscosity-controlling agent (Al
2o
3and SiO
2), tensio-active agent (sodium laurylsulfonate, Mierocrystalline cellulose MCC, Sodium hexametaphosphate 99 % and poly-Sodium Propionate) is for subsequent use; B, get institute standby material ammonium fluoride 25%, ammonium bifluoride 25%, hydrogen fluoride magnesium 15% by weight percentage, hydrogen fluoride aluminium 15% is main raw material, then adds a small amount of ionic strength adjustor (oxalic acid 3%, sodium-acetate 2%, water glass 1%, ammonium borofluoride 1% and Sodium tetrafluoroborate 1%) and viscosity-controlling agent (Al
2o
35% and SiO
25%), tensio-active agent (sodium laurylsulfonate 0.5%, Mierocrystalline cellulose MCC0.5%, Sodium hexametaphosphate 99 0.5% and poly-Sodium Propionate 0.5%); C, get b crushing material, stir, dry; D, get c gained semi finished package, check into stockyard.
Claims (1)
1. an environment-friendly type high boron glass frosting powder, it is characterized in that: technical formula production craft step provided by the invention is as follows: a, get ammonium fluoride, ammonium bifluoride, hydrogen fluoride magnesium, hydrogen fluoride aluminium main raw material, then add a small amount of ionic strength adjustor (oxalic acid, sodium-acetate, water glass, ammonium borofluoride and Sodium tetrafluoroborate) and viscosity-controlling agent (Al
2o
3and SiO
2), tensio-active agent (sodium laurylsulfonate, Mierocrystalline cellulose MCC, Sodium hexametaphosphate 99 % and poly-Sodium Propionate) is for subsequent use; B, get institute standby material ammonium fluoride 25%, ammonium bifluoride 25%, hydrogen fluoride magnesium 15% by weight percentage, hydrogen fluoride aluminium 15% is main raw material, then adds a small amount of ionic strength adjustor (oxalic acid 3%, sodium-acetate 2%, water glass 1%, ammonium borofluoride 1% and Sodium tetrafluoroborate 1%) and viscosity-controlling agent (Al
2o
35% and SiO
25%), tensio-active agent (sodium laurylsulfonate 0.5%, Mierocrystalline cellulose MCC0.5%, Sodium hexametaphosphate 99 0.5% and poly-Sodium Propionate 0.5%); C, get b crushing material, stir, dry; D, get c gained semi finished package, check into stockyard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310715687.2A CN104724938A (en) | 2013-12-23 | 2013-12-23 | Environmentally friendly high-boron glass frosting powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310715687.2A CN104724938A (en) | 2013-12-23 | 2013-12-23 | Environmentally friendly high-boron glass frosting powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104724938A true CN104724938A (en) | 2015-06-24 |
Family
ID=53449432
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310715687.2A Pending CN104724938A (en) | 2013-12-23 | 2013-12-23 | Environmentally friendly high-boron glass frosting powder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981209A (en) * | 2019-12-26 | 2020-04-10 | 佛山晶美莱科技有限公司 | Environment-friendly frosting powder |
| CN112759272A (en) * | 2021-01-29 | 2021-05-07 | 郑州市亚美凯新材料有限公司 | Anti-dazzle glass water-based frosting powder and application thereof in anti-dazzle glass frosting processing |
-
2013
- 2013-12-23 CN CN201310715687.2A patent/CN104724938A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981209A (en) * | 2019-12-26 | 2020-04-10 | 佛山晶美莱科技有限公司 | Environment-friendly frosting powder |
| CN112759272A (en) * | 2021-01-29 | 2021-05-07 | 郑州市亚美凯新材料有限公司 | Anti-dazzle glass water-based frosting powder and application thereof in anti-dazzle glass frosting processing |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150624 |
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| WD01 | Invention patent application deemed withdrawn after publication |