CN102146263B - Multifunctional rare earth polishing powder dispersant - Google Patents
Multifunctional rare earth polishing powder dispersant Download PDFInfo
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- CN102146263B CN102146263B CN 201110053799 CN201110053799A CN102146263B CN 102146263 B CN102146263 B CN 102146263B CN 201110053799 CN201110053799 CN 201110053799 CN 201110053799 A CN201110053799 A CN 201110053799A CN 102146263 B CN102146263 B CN 102146263B
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Abstract
The invention relates to the technical field of material preparation, in particular provides a novel multifunctional rare earth polishing powder dispersant which has two forms of solid and liquid. The multifunctional rare earth polishing powder dispersant is compounded by multiple raw materials such as sodium citrate, sodium silicate, sodium tripolyphosphate, sodium hexametaphosphate, sodium oxalate, polyethylene glycol, triethanolamine, carboxymethylcellulose and the like according to a certain proportion. The multifunctional rare earth polishing powder dispersant of the invention not only can have very good dispersing and suspension stabilizing effects on the rare earth polishing powder but also can overcome the shortcomings of concentration of nanometer calcium carbonate and adsorption on the polished glass surface, thereby achieving the purposes of increasing polishing efficiency, reducing using amount of the rare earth polishing powder and improving the quality of the polished product surface.
Description
Technical field
The present invention relates to technical field of material, specifically refer to preparation and the application technology of the polishing powder from rare earth dispersant of one kind of multiple functions.
Background technology
Polishing powder from rare earth is with its polishing efficiency height, long service life, the excellent properties such as applied widely, become current most popular precise polishing materials, be widely used in the fields such as LCDs, ITO electro-conductive glass, HDTV (High-Definition Television) screen, CD, various prism and speculum, camera and telescope lens, laser optics device, precison optical component.The technical indicator that affects polishing powder polishing efficiency and quality of finish is except particle diameter and particle size distribution, granule-morphology, and dispersive property and the suspending stabilized performance of polishing powder in liquid medium also is very important influencing factor.
At present method commonly used is to add nano-calcium carbonate etc. as suspension stabilizer in polishing powder from rare earth; because nano-calcium carbonate is active high; in use easily assemble; produce the agglomerated particle of hard; reduced on the one hand the polishing efficiency of polishing powder; cause the polishing powder waste larger, simultaneously, glass surface scratched after the hard granule also easily caused polishing.On the other hand, glass surface after calcium ion in the nano-calcium carbonate and the polishing has larger compatibility, be attached to easily glass surface, easy cleaning not, residual calcium ion also can produce adverse influence to polishing the chemical enhanced of rear glass, occur small concavo-convexly such as the surface, stress distribution is inhomogeneous etc.Therefore, develop a kind of Multifunction polishing powder from rare earth dispersant, overcome the deficiency of existing dispersant technology, to further raising polishing efficiency, to save rare earth resources significant.
Summary of the invention
Low for the prior art polishing efficiency, the defectives such as waste rare earth resources, the invention provides a kind of novel Multifunctional rare earth polishing powder dispersant, it can not only have good dispersion and suspending stabilized effect to polishing powder from rare earth, and can overcome the gathering of nano-calcium carbonate and the deficiency of glass surface absorption after polishing, thereby reach the consumption that improves polishing efficiency, reduces polishing powder from rare earth, the purpose that improves product surface quality after polishing.
A kind of Multifunctional rare earth polishing powder dispersant of the present invention, the weight portion of its component consists of:
Natrium citricum: 3 parts-15 parts; Sodium metasilicate: 8 parts-35 parts;
Sodium phosphate trimer: 10 parts-40 parts; Calgon: 5 parts-25 parts;
Sodium oxalate: 1 part-8 parts; Polyethylene glycol: 5 parts-15 parts;
Triethanolamine: 3 parts-12 parts; 1 part-5 parts of carboxymethyl celluloses.
The form of this Multifunctional rare earth polishing powder dispersant is solid powder or liquid solution.The composition of liquid solution also comprises the water of 150-400 weight portion.
The preparation method of solid-state Multifunctional rare earth polishing powder dispersant is: described raw material accurately after the weighing, mixed 1 hour-3 hours in grinding in ball grinder in proportion, obtain color and luster evenly, without the powder mixture of reuniting, the packaging bag of the sealing of packing into gets product.
The preparation method of liquid Multifunctional rare earth polishing powder dispersant is: with described raw material in proportion accurately after the weighing, in reaction vessel, add deionized water, after being warming up to 60 ℃-65 ℃, the even compound that under stirring, adds described raw material, continuation was 60 ℃-65 ℃ lower reactions 1 hour-2 hours, cooling is that 10 microns-50 microns porous ceramic filters by the aperture, makes mass fraction and be 10%-30% solution, and can namely gets liquid polishing powder from rare earth dispersant finished product.
The present invention compared with prior art has following functions:
(1) polishing powder from rare earth is had good dispersion and stabilization, can improve the qualification rate of polishing product more than 10%;
(2) use this dispersant after, polishing efficiency improves, and can shorten polishing time 8%-15%, has the function of obvious volume increase, energy-conservation, consumption reduction;
(3) can reduce significantly the reunion of polishing powder, avoid the loss of the polishing powder from rare earth that causes because of reunion.After using this dispersant, can save polishing powder from rare earth more than 15%;
(4) reduced the absorption of polishing powder at polished product surface, the cleaning that is conducive to polish rear product has the function of easy cleaning and water saving.
Embodiment
Embodiment 1Solid-state Multifunctional rare earth polishing powder dispersant and application thereof:
Take by weighing following raw material by mass parts:
Natrium citricum: 5 parts; Sodium metasilicate: 25 parts;
Sodium phosphate trimer: 30 parts; Calgon: 15 parts;
Sodium oxalate: 5 parts; Polyethylene glycol: 10 parts;
Triethanolamine: 10 parts; 1 part of carboxymethyl cellulose.
After the accurate weighing of above-mentioned raw materials, mixed 2 hours in grinding in ball grinder, obtain the powder mixture that color is even, nothing is reunited, the packaging bag of the sealing of packing into namely gets solid-state Multifunctional rare earth polishing powder dispersant.
From the packaging bag of sealing, take out 100 gram Multifunctional rare earth polishing powder dispersants during use, add and be equipped with in the container of 10 kg water, after stirring is fully dissolved it, again 5 kilograms of polishing powder from rare earth are progressively added, after stirring, adding water, to be modulated to the polishing powder from rare earth mass fraction be 15% suspension, can be for polishing.
Embodiment 2Solid-state Multifunctional rare earth polishing powder dispersant and application thereof:
Take by weighing following raw material by mass parts:
Natrium citricum: 12 parts; Sodium metasilicate: 14 parts;
Sodium phosphate trimer: 20 parts; Calgon: 20 parts;
Sodium oxalate: 8 parts; Polyethylene glycol: 15 parts;
Triethanolamine: 3 parts; 5 parts of carboxymethyl celluloses.
After the accurate weighing of above-mentioned raw materials, mixed 2 hours in grinding in ball grinder, obtain the powder mixture that color is even, nothing is reunited, the packaging bag of the sealing of packing into namely gets solid-state Multifunctional rare earth polishing powder dispersant.
From the packaging bag of sealing, take out 100 gram Multifunctional rare earth polishing powder dispersants during use, add and be equipped with in the container of 10 kg water, after stirring is fully dissolved it, again 5 kilograms of polishing powder from rare earth are progressively added, after stirring, adding water, to be modulated to the polishing powder from rare earth mass fraction be 15% suspension, can be for polishing.
Embodiment 3The application of liquid Multifunctional rare earth polishing powder dispersant:
Take by weighing following raw material by mass parts:
Natrium citricum: 5 parts; Sodium metasilicate: 20 parts;
Sodium phosphate trimer: 35 parts; Calgon: 12 parts;
Sodium oxalate: 4 parts; Polyethylene glycol: 8 parts;
Triethanolamine: 6 parts; 2 parts of carboxymethyl celluloses.
In reaction vessel, add 8 kilograms of deionized waters, after being warming up to 60 ℃, 2 kilograms of the even compounds that stirs adding above-mentioned raw materials under the opening, continued stirring reaction 2 hours at 60 ℃ to 65 ℃, take out after the cooling, via hole diameter is that 10 microns to 50 microns porous ceramic filters, and makes mass fraction of solids and be 20% homogeneous solution, and can namely gets liquid polishing powder from rare earth dispersant finished product.
Get 500 milliliters of liquid polishing powder from rare earth dispersants during use, add and be equipped with in the container of 10 kg water, again 5 kilograms of polishing powder from rare earth are progressively added, after stirring, adding water, to be modulated to the polishing powder from rare earth mass fraction be 15% suspension, can be for polishing.
Embodiment 4The application of liquid Multifunctional rare earth polishing powder dispersant:
Take by weighing following raw material by mass parts:
Natrium citricum: 15 parts; Sodium metasilicate: 15 parts;
Sodium phosphate trimer: 15 parts; Calgon: 25 parts;
Sodium oxalate: 8 parts; Polyethylene glycol: 14 parts;
Triethanolamine: 10 parts; 2 parts of carboxymethyl celluloses.
In reaction vessel, add 8 kilograms of deionized waters, after being warming up to 60 ℃, 2 kilograms of the even compounds that stirs adding above-mentioned raw materials under the opening, continued stirring reaction 2 hours at 60 ℃ to 65 ℃, take out after the cooling, via hole diameter is that 10 microns to 50 microns porous ceramic filters, and makes mass fraction of solids and be 20% homogeneous solution, and can namely gets liquid polishing powder from rare earth dispersant finished product.
Get 500 milliliters of liquid polishing powder from rare earth dispersants during use, add and be equipped with in the container of 10 kg water, again 5 kilograms of polishing powder from rare earth are progressively added, after stirring, adding water, to be modulated to the polishing powder from rare earth mass fraction be 15% suspension, can be for polishing.
Claims (5)
1. a Multifunctional rare earth polishing powder dispersant is characterized in that, the weight portion of its component consists of:
Natrium citricum: 3 parts-15 parts; Sodium metasilicate: 8 parts-35 parts;
Sodium phosphate trimer: 10 parts-40 parts; Calgon: 5 parts-25 parts;
Sodium oxalate: 1 part-8 parts; Polyethylene glycol: 5 parts-15 parts;
Triethanolamine: 3 parts-12 parts; 1 part-5 parts of carboxymethyl celluloses.
2. described Multifunctional rare earth polishing powder dispersant according to claim 1 is characterized in that form is solid powder.
3. the method for preparing the described solid-state Multifunctional rare earth polishing powder dispersant of claim 2, it is characterized in that, with the described raw material of claim 1 in proportion accurately after the weighing, mixed 1 hour-3 hours in grinding in ball grinder, obtain the powder mixture that color and luster is even, nothing is reunited, the packaging bag of packing into and sealing gets product.
4. a Multifunctional rare earth polishing powder dispersant is characterized in that, form is liquid solution, and the weight portion of its component consists of:
Natrium citricum: 3 parts-15 parts; Sodium metasilicate: 8 parts-35 parts;
Sodium phosphate trimer: 10 parts-40 parts; Calgon: 5 parts-25 parts;
Sodium oxalate: 1 part-8 parts; Polyethylene glycol: 5 parts-15 parts;
Triethanolamine: 3 parts-12 parts; 1 part-5 parts of carboxymethyl celluloses;
Deionized water: 150-400 part.
5. the method for preparing the described liquid Multifunctional rare earth polishing powder dispersant of claim 4, it is characterized in that, with described raw material natrium citricum, sodium metasilicate, sodium phosphate trimer, calgon, sodium oxalate, polyethylene glycol, triethanolamine, carboxymethyl cellulose is in proportion accurately after the weighing, in reaction vessel, add deionized water, after being warming up to 60 ℃-65 ℃, the even compound that under stirring, adds described raw material, continuation was 60 ℃-65 ℃ lower reactions 1 hour-2 hours, cooling is 10 microns-50 microns porous ceramic filtration by the aperture, make mass fraction and be 10%-30% solution, can namely gets liquid polishing powder from rare earth dispersant finished product.
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| CN 201110053799 CN102146263B (en) | 2011-03-07 | 2011-03-07 | Multifunctional rare earth polishing powder dispersant |
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| CN 201110053799 CN102146263B (en) | 2011-03-07 | 2011-03-07 | Multifunctional rare earth polishing powder dispersant |
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| CN102146263B true CN102146263B (en) | 2013-02-13 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103923606A (en) * | 2014-04-04 | 2014-07-16 | 湖南省美程陶瓷科技有限公司 | Steatite ceramic compound grinding aid and preparation method thereof |
| CN104017502B (en) * | 2014-06-25 | 2016-08-24 | 侯杰 | Automobile maintenance agent and preparation method thereof |
| CN106978089A (en) * | 2017-04-20 | 2017-07-25 | 德米特（苏州）电子环保材料有限公司 | A kind of preparation method of polishing powder from rare earth |
| CN108793708A (en) * | 2018-08-06 | 2018-11-13 | 深圳市元虹光电科技有限公司 | A kind of processing method of curved surface mobile phone glass back shroud |
| CN113604196B (en) * | 2021-08-05 | 2022-06-14 | Oppo广东移动通信有限公司 | Dispersing agent and preparation method thereof |
| CN113969108B (en) * | 2021-11-18 | 2023-04-25 | 东北大学 | Method for preparing polishing solution for optical glass by taking cerium concentrate as raw material |
| CN115321578B (en) * | 2022-09-08 | 2023-09-19 | 内蒙古科技大学 | Nano sphere-like rare earth fluoride polishing powder and preparation method thereof |
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| JPH11106709A (en) * | 1997-10-08 | 1999-04-20 | Aoki:Kk | Polishing solution |
| US6488729B1 (en) * | 1999-09-30 | 2002-12-03 | Showa Denko K.K. | Polishing composition and method |
| CN101274242B (en) * | 2008-01-08 | 2011-08-10 | 陕西科技大学 | Method for preparing polymer ceramic dispersants |
| CN101671525B (en) * | 2009-09-01 | 2013-04-10 | 湖南皓志新材料股份有限公司 | Method for improving suspension property of rare earth polishing powder |
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Effective date of registration: 20191211 Address after: 314300 No. 193, long Shan Road Industrial Park, Jiaxing, Haiyan County, Zhejiang Patentee after: Jiaxing Hengrui Metal Technology Co., Ltd Address before: 410082 Hunan province Changsha Lushan Road No. 2 Patentee before: Xiao Hanning |
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Effective date of registration: 20201224 Address after: 224000 Room 301, IOT building, Yandu Road North, Yandu District, Yancheng City, Jiangsu Province Patentee after: Yancheng Service Industry Zone Investment Co.,Ltd. Address before: 314300 No.193 Changshan Road, Changqiang Mountain Industrial Park, Shupu Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: Jiaxing Hengrui Metal Technology Co.,Ltd. |