CN104525959A - Compound antioxidant for producing copper powder through water atomization method - Google Patents
Compound antioxidant for producing copper powder through water atomization method Download PDFInfo
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- CN104525959A CN104525959A CN201410821428.2A CN201410821428A CN104525959A CN 104525959 A CN104525959 A CN 104525959A CN 201410821428 A CN201410821428 A CN 201410821428A CN 104525959 A CN104525959 A CN 104525959A
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Abstract
The invention discloses a compound antioxidant for producing copper powder through a water atomization method. The compound antioxidant comprises, by weight, 1-10 parts of benzotriazole, 1-10 parts of benzene sulfonic acid sodium salt, 1-10 parts of sodium lauryl sulphate, 2-10 parts of OP surfactants, 3-25 parts of glycerinum and 20-50 parts of water. According to the compound antioxidant for producing the copper powder through the water atomization method, by means of the component formula, the matching ration is reasonable, in the process of preparing the copper powder through the water atomization method, the free radical is complemented while film forming is conducted on the surface of the copper powder, the double-protection function is achieved, the good antioxidant effect is achieved, the antioxidant ability of the copper powder is improved effectively, and the problem that the oxygen content of copper power produced in a water atomization mode is higher is solved; in the process that the copper power is produced through the water atomization method, the antioxidant is added, the oxygen content of the copper powder produced through the water atomization method is lower than 0.08%, the oxygen content meets the national standard, the problem that the oxygen content of the copper powder obtained after water atomization is conducted is higher is solved, and the shelf life of the copper powder is prolonged.
Description
Technical field
The present invention relates to the production technical field of copper powder, particularly relate to the composite antioxidant that a kind of water fog method produces copper powder.
Background technology
Copper powder is one of raw material basic in powder metallurgy, is widely used in the numerous areas such as automobile, motorcycle, oiliness bearing, electrical alloy, electronic information, electrical carbon product, oil drilling, chemical industry synthesis, diamond composition.The development of powder metallurgy industry at any time, powder metallurgy range of application expanding day, to the kind of powder and the requirement of quality also more and more higher.Current production copper powder many employings electrolysis, but electrolysis environmental pollution is serious, and energy consumption is large, cost is high, and product is single, and electrolytic copper powder poor fluidity, can not meet the demand of high-performance powder metallurgy product.Atomization production copper powder cost is low, efficiency is high, environmental pollution is little.But in the process of the copper powder of traditional water atomization explained hereafter, oxidizable in winding-up process, the copper powder oxygen content of production can be caused high, and powder particle is comparatively thick, can not adaption demand.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art; a kind of water fog method is provided to produce the composite antioxidant of copper powder; reasonable mixture ratio; prepare in the process of copper powder at water fog method; play the effect of duplicate protection in Copper Powder Surface film forming while supplementary set free radical; reach good antioxidant effect, effectively improve the oxidation resistance of copper powder, solve the problem that the oxygen content of water atomization production copper powder is higher.
The present invention adopts following technical scheme to achieve these goals:
Water fog method produces a composite antioxidant for copper powder, is made up of: benzotriazole 1-10 part, benzene sulfonic acid sodium salt 1-10 part, lauryl sodium sulfate 1-10 part, OP surfactant 2-20 part, glycerine 3-25 part, water 20-50 part the component of following weight portion.
Preferably, described water fog method produces the composite antioxidant of copper powder, is made up of: benzotriazole 3-7 part, benzene sulfonic acid sodium salt 3-7 part, lauryl sodium sulfate 3-7 part, OP surfactant 8-15 part, glycerine 10-20 part, water 30-40 part the component of following weight portion.
Preferably, described water fog method produces the composite antioxidant of copper powder, is made up of: benzotriazole 5 parts, benzene sulfonic acid sodium salt 5 parts, lauryl sodium sulfate 5 parts, 10 parts, OP surfactant, glycerine 15 parts, 35 parts, water the component of following weight portion.
Compared with the prior art, beneficial effect of the present invention is as follows:
Water fog method of the present invention produces the composite antioxidant of copper powder, employing said components is filled a prescription, reasonable mixture ratio, prepare in the process of copper powder at water fog method, play the effect of duplicate protection in Copper Powder Surface film forming while supplementary set free radical, reach good antioxidant effect, effectively improve the oxidation resistance of copper powder, solve the problem that the oxygen content of water atomization production copper powder is higher; Wherein benzotriazole is combined to be formed with the copper ion of copper superficial layer and deposits diaphragm, and benzene sulfonic acid sodium salt and benzotriazole play and act synergistically, and are adsorbed in copper surface with polar group, catch up with copper removal surface moisture, suppresses related substance migration, plays capture-effect; Lauryl sodium sulfate plays emulsification, and the emulsification of other corrosion inhibiter and solvent strengthened by OP surfactant, improves the wettability of copper powder; Surperficial moisture content replaced by glycerine, and form the very thin rete of other one deck low molecule on surface.The present invention, as the antioxidant producing copper powder in water atomization, adopts antioxidant of the present invention, and the copper powder oxygen content that water smoke is produced is lower than 0.08%, and oxygen content is up to state standards, and solves the problem that water atomization copper powder content is higher, extends the copper powder shelf-life.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated, but the present invention is not limited only to these embodiments, and under the prerequisite not departing from present inventive concept, any improvement done all drops within protection scope of the present invention.
Embodiment 1:
Water fog method produces a composite antioxidant for copper powder, is made up of: benzotriazole 1 part, benzene sulfonic acid sodium salt 1 part, lauryl sodium sulfate 3 parts, 5 parts, OP surfactant, glycerine 5 parts, 20 parts, water the component of following weight portion.
Produce at water fog method in the process of copper powder, add the composite antioxidant of the present embodiment 1, the copper powder obtained after production utilizes hydrogen loss method to detect oxygen content, and after testing, obtaining copper powder oxygen content is 0.073%, and oxygen content is up to state standards.
Embodiment 2:
Water fog method produces a composite antioxidant for copper powder, is made up of: benzotriazole 5 parts, benzene sulfonic acid sodium salt 5 parts, lauryl sodium sulfate 5 parts, 10 parts, OP surfactant, glycerine 15 parts, 35 parts, water the component of following weight portion.
Produce at water fog method in the process of copper powder, add the composite antioxidant of the present embodiment 2, the copper powder obtained after production utilizes hydrogen loss method to detect oxygen content, and after testing, obtaining copper powder oxygen content is 0.045%, and oxygen content is up to state standards.
Embodiment 3:
Water fog method produces a composite antioxidant for copper powder, is made up of: benzotriazole 10 parts, benzene sulfonic acid sodium salt 10 parts, lauryl sodium sulfate 8 parts, 20 parts, OP surfactant, glycerine 22 parts, 50 parts, water the component of following weight portion.
Produce at water fog method in the process of copper powder, add the composite antioxidant of the present embodiment 3, the copper powder obtained after production utilizes hydrogen loss method to detect oxygen content, and after testing, obtaining copper powder oxygen content is 0.058%, and oxygen content is up to state standards.
Claims (3)
1. water fog method produces a composite antioxidant for copper powder, it is characterized in that: be made up of the component of following weight portion: benzotriazole 1-10 part, benzene sulfonic acid sodium salt 1-10 part, lauryl sodium sulfate 1-10 part, OP surfactant 2-20 part, glycerine 3-25 part, water 20-50 part.
2. water fog method according to claim 1 produces the composite antioxidant of copper powder, it is characterized in that: be made up of the component of following weight portion: benzotriazole 3-7 part, benzene sulfonic acid sodium salt 3-7 part, lauryl sodium sulfate 3-7 part, OP surfactant 8-15 part, glycerine 10-20 part, water 30-40 part.
3. water fog method according to claim 1 produces the composite antioxidant of copper powder, it is characterized in that: be made up of the component of following weight portion: benzotriazole 5 parts, benzene sulfonic acid sodium salt 5 parts, lauryl sodium sulfate 5 parts, 10 parts, OP surfactant, glycerine 15 parts, 35 parts, water.
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Cited By (5)
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| CN106041049A (en) * | 2016-07-21 | 2016-10-26 | 安徽旭晶粉体新材料科技有限公司 | Antioxidative leadless copper alloy powder prepared by water mist method |
| CN106048293A (en) * | 2016-07-21 | 2016-10-26 | 安徽旭晶粉体新材料科技有限公司 | Spray method for preparing oxidation-resisting silver-containing copper alloy powder |
| CN106048297A (en) * | 2016-07-21 | 2016-10-26 | 安徽旭晶粉体新材料科技有限公司 | Spray method for preparing oxidation-resisting aluminum-containing copper alloy powder |
| CN106048298A (en) * | 2016-07-21 | 2016-10-26 | 安徽旭晶粉体新材料科技有限公司 | Spray method for preparing oxidation-resisting phosphorous copper alloy powder |
| CN106048299A (en) * | 2016-07-21 | 2016-10-26 | 安徽旭晶粉体新材料科技有限公司 | Low-oxygen nickel-containing copper alloy powder prepared with water-mist method |
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| CN106048297A (en) * | 2016-07-21 | 2016-10-26 | 安徽旭晶粉体新材料科技有限公司 | Spray method for preparing oxidation-resisting aluminum-containing copper alloy powder |
| CN106048298A (en) * | 2016-07-21 | 2016-10-26 | 安徽旭晶粉体新材料科技有限公司 | Spray method for preparing oxidation-resisting phosphorous copper alloy powder |
| CN106048299A (en) * | 2016-07-21 | 2016-10-26 | 安徽旭晶粉体新材料科技有限公司 | Low-oxygen nickel-containing copper alloy powder prepared with water-mist method |
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| CN104525959B (en) | 2016-09-07 |
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Inventor after: Wen Fengzheng Inventor before: Jiang Jianping |
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Effective date of registration: 20170608 Address after: 528300 Guangdong Province, Foshan city Shunde District Leliu Fuan Industrial Zone Road, No. 1, No. 29. Patentee after: Foshan city Shunde District Shuo Shuo Metal Surface Technology Co., Ltd. Address before: 244199 Tongling County, Anhui Province Shun an Jinshan Industrial Park Patentee before: ANHUI XUJING POWDER NEW-MATERIAL SCIENCE & TECHNOLOGY CO., LTD. |
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