CN102717061A - A paraffin base compound forming agent for a water base cemented carbide mixture - Google Patents
A paraffin base compound forming agent for a water base cemented carbide mixture Download PDFInfo
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- CN102717061A CN102717061A CN2011100767359A CN201110076735A CN102717061A CN 102717061 A CN102717061 A CN 102717061A CN 2011100767359 A CN2011100767359 A CN 2011100767359A CN 201110076735 A CN201110076735 A CN 201110076735A CN 102717061 A CN102717061 A CN 102717061A
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Abstract
The invention discloses a paraffin base compound forming agent for a water base cemented carbide mixture, prepared from the following materials: by weight, 40 to 60% of paraffin, 2 to 10% of emulsifier and the remainder being water. The agent is characterized in that the agent is easy to disperse in the water and uniformly mix with material pellets; the obtained mixture is low in oxygen content; the mixture pellets have suitable hardness; the agent is free from toxicity, irritant property, and residual; and the agent is more suitable for manufacturing the water base cemented carbide mixture. The agent is also characterized by favorable compaction properties, high compaction strength, convenient usage, stable technology process, and easy removal.
Description
Technical field
The present invention relates to a kind of water base carbide alloy mixture with the composite forming agent of paraffinic base.
Background technology
At present, the carbide alloy industry is many to be wet grinding media with high absolute alcohol, is forming agent with paraffin or polyethylene glycol PEG, prepares compound through rolling ball milling, drying process with atomizing.High-purity Alcohol Production cost is higher and belong to inflammable and explosive, volatile liquid, and use is dangerous, and environmental pollution is bigger, and long-term contact has certain injury to operating personnel's health.
Consider environmental issue, the wet grinding media that European many countries have expressly banned use of volatile organic solvent to produce as carbide alloy mixture.Water prepares carbide alloy mixture as wet grinding media, and forming agent will be considered from the following aspects: certain greasy property is arranged, reduce the frictional force in the powder compaction process; The assurance compact density is even; Dissolve in the wet grinding media, and solution viscosity can not be too big, so that mix with material; Volatilization temperature is low, is prone to get rid of, and is difficult for carburetting; Do not contain harmful impurity, avoid alloy hole increase etc.
Paraffin has under the high temperature and can volatilize fully, noresidue, and the advantage that is prone to remove becomes one of forming agent that the carbide alloy industry generally adopts.But paraffin is water insoluble, in water, also can't mix with compound, and therefore preparing the water-based spray dry pack is worthless with paraffin as forming agent merely.Hard, the apparent particle of PEG mixture material grain is serious, influences the compacted products quality, and can produce significant foam in wet-milling, discharging and continuous stirring process, is unfavorable for discharging and spray-drying process, so also be worthless with PEG as forming agent merely.
Summary of the invention
The object of the present invention is to provide a kind of water base carbide alloy mixture with the composite forming agent of paraffinic base, be prone to be scattered in the water, be prone to mix with the material grain to have; The compound oxygen content of preparation is low, and the compound particle is neither too hard, nor too soft, and suppression performance is good; Compact strength is high; Easy to use, process stabilizing, nontoxic, nonirritant, be prone to remove, the characteristics of noresidue, be more suitable for water base carbide alloy mixture production.
To achieve these goals, technical scheme of the present invention is following:
A kind of water base carbide alloy mixture is with the composite forming agent of paraffinic base, and is formulated by following raw materials by weight:
Paraffin 40～60%; Emulsifying agent 2～10%; Water surplus.
Wherein, said emulsifying agent is by weight percentage by the emulsification host of 40%-70%, the emulsion adjuvant of 20%-40% and composite the forming of stabilizing agent of 0%-20%.
Said emulsification host is one or more mixing in AEO, sorbitan fatty acid ester or the polyoxyethylene sorbitan fatty acid ester.
Said emulsion adjuvant is higher fatty acids or high-grade aliphatic ester.
Said stabilizing agent is a polyalcohol.
Said water is deionized water.
After adopting such scheme, when the present invention applies to water base carbide alloy mixture and produces,, reduce environmental pollution, improve working conditions, reduce the equipment input, reduce production costs because the traditional alcohol of water consumption substitution prepares carbide alloy mixture as abrasive media.Paraffin is emulsified in the water with composite emulsifying agent through certain emulsifying process, forming stable paraffin wax emulsions is forming agent, is prone to be scattered in the water with this composite paraffinic base forming agent, is prone to mix with the material grain; Prepare slip and be prone to sieve, the compound oxygen content is low, satisfies index request, and the compound particle is neither too hard, nor too soft; Suppression performance is good, easy-formation, and compact strength is high; Easy to use, process stabilizing, nontoxic, nonirritant, be prone to remove, noresidue, be fit to water base carbide alloy mixture production.
Below in conjunction with specific embodiment the present invention is described further.
The specific embodiment
Preferred embodiment of the present invention.
The per kilogram compound is looked the different deionized water 120-300ml that add of WC Fisher particle size thickness, and the addition of the composite forming agent of paraffin is the 2-6% of compound.Adopt the water base compound of 8 kinds of composite forming agent preparations of different paraffin in the table 1; Its oxygen content is suitable with the alcohol-based compound; Compact strength, suppression performance are better than existing alcohol-based compound (the compact strength 2.1MPa of existing alcohol-based compound, green density 7.41g/cm
3).
The composite moulding agent prescription of table 1 paraffin, dispersiveness and water base mixture performance
Wherein, embodiment 1, and the composite forming agent of paraffin is by 42% paraffin, 4.2% emulsifying agent (emulsifying agent contains 55% emulsification host and 45% emulsion adjuvant) and 53.8% deionized water is composite forms; Decentralized is good; Add 4% in compound, the water base compound oxygen content 0.65% of preparation, oxygen content is suitable with the alcohol-based compound; Compact strength 2.52Mpa, green density 7.65g/cm
3, with existing alcohol-based compound compact strength 2.1Mpa, green density 7.41g/cm
3Compare, be better than the alcohol-based compound.
Embodiment 2; The composite forming agent of paraffin is by 42% paraffin, 4.2% emulsifying agent (emulsifying agent contains 48% emulsification host, 40% emulsion adjuvant and 12% stabilizing agent) and 53.8% deionized water is composite forms, and decentralized is good, adds 4% in compound; The water base compound oxygen content 0.63% of preparation; Oxygen content is suitable with the alcohol-based compound, compact strength 2.45Mpa, green density 7.59g/cm
3, with existing alcohol-based compound compact strength 2.1Mpa, green density 7.41g/cm
3Compare, be better than the alcohol-based compound.
Embodiment 3; The composite forming agent of paraffin is by 46% paraffin, 5.5% emulsifying agent (emulsifying agent contains 48% emulsification host, 40% emulsion adjuvant and 12% stabilizing agent) and 48.5% deionized water is composite forms, and decentralized is good, adds 4% in compound; The water base compound oxygen content 0.68% of preparation; Oxygen content is suitable with the alcohol-based compound, compact strength 2.84Mpa, green density 7.60g/cm
3, with existing alcohol-based compound compact strength 2.1Mpa, green density 7.41g/cm
3Compare, be better than the alcohol-based compound.
Embodiment 4; The composite forming agent of paraffin is by 46% paraffin, 5.5% emulsifying agent (emulsifying agent contains 52% emulsification host and 48% emulsion adjuvant) and 48.5% deionized water is composite forms, and decentralized is good, adds 4% in compound; The water base compound oxygen content 0.64% of preparation; Oxygen content is suitable with the alcohol-based compound, compact strength 2.63Mpa, green density 7.68g/cm
3, with existing alcohol-based compound compact strength 2.1Mpa, green density 7.41g/cm
3Compare, be better than the alcohol-based compound.
Embodiment 5; The composite forming agent of paraffin is by 46% paraffin, 5.5% emulsifying agent (emulsifying agent contains 57% emulsification host, 35% emulsion adjuvant and 8% stabilizing agent) and 48.5% deionized water is composite forms, and decentralized is good, adds 4% in compound; The water base compound oxygen content 0.67% of preparation; Oxygen content is suitable with the alcohol-based compound, compact strength 2.58Mpa, green density 7.63g/cm
3, with existing alcohol-based compound compact strength 2.1Mpa, green density 7.41g/cm
3Compare, be better than the alcohol-based compound.
Embodiment 6; The composite forming agent of paraffin is by 52% paraffin, 4.0% emulsifying agent (emulsifying agent contains 52% emulsification host and 48% emulsion adjuvant) and 44% deionized water is composite forms, and decentralized is good, adds 4% in compound; The water base compound oxygen content 0.70% of preparation; Oxygen content is suitable with the alcohol-based compound, compact strength 3.92Mpa, green density 7.55g/cm
3, with existing alcohol-based compound compact strength 2.1Mpa, green density 7.41g/cm
3Compare, be better than the alcohol-based compound.
Embodiment 7; The composite forming agent of paraffin is by 55% paraffin, 5.8% emulsifying agent (emulsifying agent contains 57% emulsification host, 35% emulsion adjuvant and 8% stabilizing agent) and 39.2% deionized water is composite forms, and decentralized is good, adds 4% in compound; The water base compound oxygen content 0.73% of preparation; Oxygen content is suitable with the alcohol-based compound, compact strength 4.06Mpa, green density 7.52g/cm
3, with existing alcohol-based compound compact strength 2.1Mpa, green density 7.41g/cm
3Compare, be better than the alcohol-based compound.
Embodiment 8; The composite forming agent of paraffin is by 58% paraffin, 6.5% emulsifying agent (emulsifying agent contains 47% emulsification host, 43% emulsion adjuvant and 10% stabilizing agent) and 35.5% deionized water is composite forms, and decentralized is good, adds 4% in compound; The water base compound oxygen content 0.75% of preparation; Oxygen content is suitable with the alcohol-based compound, compact strength 4.65Mpa, green density 7.48g/cm
3, with existing alcohol-based compound compact strength 2.1Mpa, green density 7.41g/cm
3Compare, be better than the alcohol-based compound.
Claims (6)
1. a water base carbide alloy mixture is characterized in that: formulated by following raw materials by weight with the composite forming agent of paraffinic base:
Paraffin 40～60%; Emulsifying agent 2～10%; Water surplus.
2. a kind of water base carbide alloy mixture as claimed in claim 1 is characterized in that with the composite forming agent of paraffinic base: said emulsifying agent is by weight percentage by the emulsification host of 40%-70%, the emulsion adjuvant of 20%-40% and composite the forming of stabilizing agent of 0%-20%.
3. a kind of water base carbide alloy mixture as claimed in claim 2 is characterized in that with the composite forming agent of paraffinic base: said emulsification host is one or more mixing in AEO, sorbitan fatty acid ester or the polyoxyethylene sorbitan fatty acid ester.
4. emulsifying agent as claimed in claim 2 is characterized in that: said emulsion adjuvant is higher fatty acids or high-grade aliphatic ester.
5. emulsifying agent as claimed in claim 2 is characterized in that: said stabilizing agent is a polyalcohol.
6. emulsifying agent as claimed in claim 1 is characterized in that: said water is deionized water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100767359A CN102717061A (en) | 2011-03-29 | 2011-03-29 | A paraffin base compound forming agent for a water base cemented carbide mixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100767359A CN102717061A (en) | 2011-03-29 | 2011-03-29 | A paraffin base compound forming agent for a water base cemented carbide mixture |
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| CN102717061A true CN102717061A (en) | 2012-10-10 |
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| CN2011100767359A Pending CN102717061A (en) | 2011-03-29 | 2011-03-29 | A paraffin base compound forming agent for a water base cemented carbide mixture |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785771A (en) * | 2015-03-17 | 2015-07-22 | 厦门钨业股份有限公司 | Superfine emulsifying wax forming agent suitable for hard alloy water-based mixture and preparing method of superfine emulsifying wax forming agent |
| CN104789807A (en) * | 2015-03-17 | 2015-07-22 | 厦门钨业股份有限公司 | Method for improving unloading of hard alloy water-based mixed material slurry |
| CN107699283A (en) * | 2017-11-03 | 2018-02-16 | 河源富马硬质合金股份有限公司 | A kind of preparation method of high wax than carbide paraffin raw material |
| CN108188387A (en) * | 2017-12-28 | 2018-06-22 | 苏州新锐合金工具股份有限公司 | A kind of hard alloy blending processes of powders using replacement forming agent |
| CN111922333A (en) * | 2020-07-26 | 2020-11-13 | 自贡硬质合金有限责任公司 | Hard alloy mixture dispersing agent |
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| CN1460126A (en) * | 2001-03-29 | 2003-12-03 | 菩兰茜提琪股份公司 | Method for producing hard alloy powder |
| CN101250635A (en) * | 2008-04-11 | 2008-08-27 | 中南大学 | Method for manufacturing high performance sinter Mo-Ti-Zr molybdenum alloy |
| CN101338382A (en) * | 2007-07-06 | 2009-01-07 | 湖南世纪特种合金有限公司 | Method for preparing high strength cemented carbide |
| CN101514405A (en) * | 2009-03-09 | 2009-08-26 | 江西稀有稀土金属钨业集团有限公司 | Preparation method for cemented carbide mixture |
-
2011
- 2011-03-29 CN CN2011100767359A patent/CN102717061A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1460126A (en) * | 2001-03-29 | 2003-12-03 | 菩兰茜提琪股份公司 | Method for producing hard alloy powder |
| CN101338382A (en) * | 2007-07-06 | 2009-01-07 | 湖南世纪特种合金有限公司 | Method for preparing high strength cemented carbide |
| CN101250635A (en) * | 2008-04-11 | 2008-08-27 | 中南大学 | Method for manufacturing high performance sinter Mo-Ti-Zr molybdenum alloy |
| CN101514405A (en) * | 2009-03-09 | 2009-08-26 | 江西稀有稀土金属钨业集团有限公司 | Preparation method for cemented carbide mixture |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785771A (en) * | 2015-03-17 | 2015-07-22 | 厦门钨业股份有限公司 | Superfine emulsifying wax forming agent suitable for hard alloy water-based mixture and preparing method of superfine emulsifying wax forming agent |
| CN104789807A (en) * | 2015-03-17 | 2015-07-22 | 厦门钨业股份有限公司 | Method for improving unloading of hard alloy water-based mixed material slurry |
| CN104785771B (en) * | 2015-03-17 | 2019-04-19 | 厦门钨业股份有限公司 | Ultra-fine emulsifying wax forming agent and preparation method suitable for the water base mixture of hard alloy |
| CN107699283A (en) * | 2017-11-03 | 2018-02-16 | 河源富马硬质合金股份有限公司 | A kind of preparation method of high wax than carbide paraffin raw material |
| CN108188387A (en) * | 2017-12-28 | 2018-06-22 | 苏州新锐合金工具股份有限公司 | A kind of hard alloy blending processes of powders using replacement forming agent |
| CN111922333A (en) * | 2020-07-26 | 2020-11-13 | 自贡硬质合金有限责任公司 | Hard alloy mixture dispersing agent |
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Application publication date: 20121010 |