阅读说明：本技术 一种铜线拉丝用石墨烯润滑油及其制备方法 (Graphene lubricating oil for copper wire drawing and preparation method thereof ) 是由 李刚 张承平 于 2020-12-21 设计创作，主要内容包括：本发明公开了一种铜线拉丝用石墨烯润滑油及其制备方法,其特征在于,按重量百分比包括以下组分：高性能硫化猪油50-60份、硫化脂肪酸酯10-20份、水10-20份,环氧亚麻油5-10份、防锈剂2-5份、抗氧剂1-5份、石墨烯浆料6-15份。本发明本实施例通过在普通的拉丝油配料中添加一定比例的石墨烯浆料,最终形成100ppm的石墨烯润滑进一步地提高提高润滑液的润滑特性,降低铜线拉丝时的表面磨损,且不易断线,拉出来的线良率提升,表面刮痕减少,进而且石墨烯附着在铜线上后,可以进一步的使铜线阻抗会减少、导电率提升,且通过在润滑液中添加一定量的防锈剂和抗氧剂,使用本发明润滑液拉丝后的铜线有效地提高提高铜线的使用质量。(The invention discloses graphene lubricating oil for copper wire drawing and a preparation method thereof, and is characterized by comprising the following components in percentage by weight: 50-60 parts of high-performance vulcanized lard, 10-20 parts of vulcanized fatty acid ester, 10-20 parts of water, 5-10 parts of epoxy linseed oil, 2-5 parts of antirust agent, 1-5 parts of antioxidant and 6-15 parts of graphene slurry. According to the embodiment of the invention, the graphene slurry with a certain proportion is added into the common wire drawing oil, 100ppm of graphene lubrication is finally formed, the lubrication characteristic of the lubricating liquid is further improved, the surface wear of the copper wire during wire drawing is reduced, the wire is not easy to break, the yield of the drawn wire is improved, the surface scratch is reduced, further, after the graphene is attached to the copper wire, the impedance of the copper wire can be further reduced, the conductivity of the copper wire is improved, and a certain amount of antirust agent and antioxidant are added into the lubricating liquid, so that the use quality of the copper wire drawn by using the lubricating liquid is effectively improved.)

1. The graphene lubricating oil for copper wire drawing and the preparation method thereof are characterized by comprising the following components in percentage by weight: 50-60 parts of high-performance vulcanized lard, 10-20 parts of vulcanized fatty acid ester, 10-20 parts of water, 5-10 parts of epoxy linseed oil, 2-5 parts of antirust agent, 1-5 parts of antioxidant and 6-15 parts of graphene slurry.

2. The preparation method of the graphene lubricating oil for drawing the copper wire according to claim 1, which is characterized by comprising the following steps of:

step one, premixing high-performance vulcanized lard, vulcanized fatty acid ester and water, and fully stirring for 10-30 min;

and step two, adding the epoxy linseed oil, the antirust agent and the antioxidant into the mixed solution in sequence, stirring the base for 10-30min, adding the graphene slurry, and continuing to stir for 30-40min to obtain the lubricating oil product.

3. The graphene lubricating oil for copper wire drawing according to claim 1, characterized in that: the graphene slurry is formed by mixing graphene powder and glycerol, and the concentration of graphene in the graphene slurry is 5-15 ppm.

4. The graphene lubricating oil for copper wire drawing and the preparation method thereof according to claim 1 are characterized in that: the stirring method in the first step and the second step adopts ultrasonic stirring, and the power density during the ultrasonic stirring is 0.6-0.8w/cm²。

5. The graphene lubricating oil for copper wire drawing and the preparation method thereof according to claim 4 are characterized in that: and during ultrasonic stirring, an energy-gathering ultrasonic transducer is adopted and matched with an ultrasonic generator power supply for narrow-band automatic frequency tracking.

6. The graphene lubricant for drawing copper wires and the preparation method thereof according to claim 1, wherein the stirring in the first step and the second step is performed during heating, and the heating temperature is set to 40-60 ℃.

Technical Field

The invention relates to the technical field of lubricants, and particularly relates to graphene lubricating oil for copper wire drawing and a preparation method thereof.

Background

The key technology for producing the single crystal copper bonding wire is a wire drawing process, which is about production efficiency, product quality, equipment utilization rate, equipment investment and production cost, the main devices of the wire drawing process are a wire drawing machine and a wire drawing die, the wire drawing die determines the production efficiency, the product quality, the equipment utilization rate, the equipment investment and the production cost, the wire drawing lubricant is the key of copper wire drawing, the wire drawing lubricant is prepared by blending high-performance vulcanized lard and vulcanized fatty acid ester as main agents, is used for drawing copper wire, has excellent extreme pressure abrasion resistance, can not cause galling and strain of workpieces, improves the finish degree, effectively prolongs the service life of a die, however, the existing wire drawing lubricating oil has single material and poor actual lubricating effect, so that the situation of fracture often occurs during the wire drawing of the copper wire, and the use effect of the copper wire is greatly influenced by the surface scars of the drawn copper wire.

Disclosure of Invention

The invention aims to provide graphene lubricating oil for copper wire drawing and a preparation method thereof, and aims to overcome the defects in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme: the graphene lubricating oil for copper wire drawing and the preparation method thereof comprise the following components in percentage by weight: 50-60 parts of high-performance vulcanized lard, 10-20 parts of vulcanized fatty acid ester, 10-20 parts of water, 5-10 parts of epoxy linseed oil, 2-5 parts of antirust agent, 1-5 parts of antioxidant and 6-15 parts of graphene slurry.

A preparation method of graphene lubricating oil for copper wire drawing comprises the following steps:

step one, premixing high-performance vulcanized lard, vulcanized fatty acid ester and water, and fully stirring for 10-30 min;

and step two, adding the epoxy linseed oil, the antirust agent and the antioxidant into the mixed solution in sequence, stirring the base for 10-30min, adding the graphene slurry, and continuing to stir for 30-40min to obtain the lubricating oil product.

Preferably, the graphene slurry is formed by mixing graphene powder and glycerol, and the concentration of graphene in the graphene slurry is 5-15 ppm.

Preferably, the stirring method in the first step and the second step adopts ultrasonic stirring, and the power density during ultrasonic stirring is 0.6-0.8w/cm²。

Preferably, the ultrasonic agitation is performed by using an energy-gathering ultrasonic transducer and matching with an ultrasonic generator power supply with narrow-band automatic frequency tracking.

Preferably, the stirring in the first step and the second step is performed in heating, and the heating temperature is set to 40-60 ℃.

In the technical scheme, the invention provides the following technical effects and advantages:

in the embodiment of the invention, the graphene slurry with a certain proportion is added into the common wire drawing oil ingredient and is prepared according to a certain concentration, so that 100ppm of graphene lubricating oil is finally formed, when the lubricant is further applied to copper wire drawing, the lubricant can further improve the lubricating property of the lubricant, reduce the surface abrasion during copper wire drawing, is not easy to break, improves the yield of drawn wires, reduces surface scratches, furthermore, after the graphene is attached on the copper wire, the impedance of the copper wire can be further reduced, the conductivity can be further improved, further improving the actual performance of the processed copper wire, enhancing the excellent drawing processing of the copper wire, and adding a certain amount of antirust agent and antioxidant into the lubricating liquid, furthermore, the copper wire drawn by using the lubricating liquid can effectively improve the use quality of the copper wire, and can effectively stop oxidation by air, thereby further improving the actual quality of the copper wire.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a 5K magnification of the surface of a copper wire after a drawing experiment using a common drawing oil.

Fig. 2 is a 5K magnification enlarged view of the surface of a copper wire after the graphene lubricating oil drawing experiment is performed.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

Example 1

The graphene lubricating oil for copper wire drawing and the preparation method thereof comprise the following components in percentage by weight: 55 parts of high-performance vulcanized lard, 15 parts of vulcanized fatty acid ester, 10 parts of water, 5 parts of epoxy linseed oil, 3 parts of antirust agent, 2 parts of antioxidant and 10 parts of graphene slurry.

A preparation method of graphene lubricating oil for copper wire drawing comprises the following steps:

step one, premixing high-performance vulcanized lard, vulcanized fatty acid ester and water, and fully stirring for 10-30 min;

and step two, adding the epoxy linseed oil, the antirust agent and the antioxidant into the mixed solution in sequence, stirring the base for 10-30min, adding the graphene slurry, and continuing to stir for 30-40min to obtain the lubricating oil product.

The graphene slurry is formed by mixing graphene powder and glycerol, and the concentration of graphene in the graphene slurry is 5-15 ppm.

The stirring method in the first step and the second step adopts ultrasonic stirring, and the power density during the ultrasonic stirring is 0.6-0.8w/cm²。

And during ultrasonic stirring, an energy-gathering ultrasonic transducer is adopted and matched with an ultrasonic generator power supply for narrow-band automatic frequency tracking.

The stirring in the first step and the second step is carried out in heating, and the heating temperature is set to be 40-60 ℃.

In the embodiment, the graphene lubricant oil with 100ppm is finally formed by adding a certain proportion of graphene slurry into a common wire drawing oil ingredient and configuring according to a certain concentration, when the lubricant is further applied to copper wire drawing, the lubricant can further improve the lubricating property of the lubricant, reduce the surface abrasion during copper wire drawing, is not easy to break, improves the yield of drawn wires, reduces surface scratches, furthermore, after the graphene is attached on the copper wire, the impedance of the copper wire can be further reduced, the conductivity can be further improved, further improving the actual performance of the processed copper wire, enhancing the excellent drawing processing of the copper wire, and adding a certain amount of antirust agent and antioxidant into the lubricating liquid, furthermore, the copper wire drawn by using the lubricating liquid can effectively improve the use quality of the copper wire, can effectively prevent the copper wire from being oxidized by air, and further improves the actual quality of the copper wire.

Example 2

The graphene lubricating oil for copper wire drawing and the preparation method thereof comprise the following components in percentage by weight: 60 parts of high-performance vulcanized lard, 10 parts of vulcanized fatty acid ester, 15 parts of water, 5 parts of epoxy linseed oil, 2 parts of antirust agent, 2 parts of antioxidant and 6 parts of graphene slurry.

A preparation method of graphene lubricating oil for copper wire drawing comprises the following steps:

step one, premixing high-performance vulcanized lard, vulcanized fatty acid ester and water, and fully stirring for 10-30 min;

and step two, adding the epoxy linseed oil, the antirust agent and the antioxidant into the mixed solution in sequence, stirring the base for 10-30min, adding the graphene slurry, and continuing to stir for 30-40min to obtain the lubricating oil product.

The graphene slurry is formed by mixing graphene powder and glycerol, and the concentration of graphene in the graphene slurry is 5-15 ppm.

The stirring method in the first step and the second step adopts ultrasonic stirring, and the power density during the ultrasonic stirring is 0.6-0.8w/cm²。

And during ultrasonic stirring, an energy-gathering ultrasonic transducer is adopted and matched with an ultrasonic generator power supply for narrow-band automatic frequency tracking.

The stirring in the first step and the second step is carried out in heating, and the heating temperature is set to be 40-60 ℃.

This embodiment contrast embodiment 1 through add the graphene thick liquids of certain proportion in ordinary wire drawing oil batching to according to certain concentration configuration, and then when using copper line wire drawing to use, can further improve the lubricating characteristic of lubricating liquid, surface wear when reducing the copper line wire drawing, and difficult broken string, the line yield that draws out promotes, and the surface scratch reduces, but for the lubricating oil in embodiment 1, actual lubricated effect is relatively poor.

Example 3

The graphene lubricating oil for copper wire drawing and the preparation method thereof comprise the following components in percentage by weight: 50 parts of high-performance vulcanized lard, 10 parts of vulcanized fatty acid ester, 10 parts of water, 10 parts of epoxy linseed oil, 4 parts of antirust agent, 4 parts of antioxidant and 12 parts of graphene slurry.

A preparation method of graphene lubricating oil for copper wire drawing comprises the following steps:

step one, premixing high-performance vulcanized lard, vulcanized fatty acid ester and water, and fully stirring for 10-30 min;

and step two, adding the epoxy linseed oil, the antirust agent and the antioxidant into the mixed solution in sequence, stirring the base for 10-30min, adding the graphene slurry, and continuing to stir for 30-40min to obtain the lubricating oil product.

The graphene slurry is formed by mixing graphene powder and glycerol, and the concentration of graphene in the graphene slurry is 5-15 ppm.

The stirring method in the first step and the second step adopts ultrasonic stirring, and the power density during the ultrasonic stirring is 0.6-0.8w/cm²。

And during ultrasonic stirring, an energy-gathering ultrasonic transducer is adopted and matched with an ultrasonic generator power supply for narrow-band automatic frequency tracking.

The stirring in the first step and the second step is carried out in heating, and the heating temperature is set to be 40-60 ℃.

This embodiment contrast embodiment 1 through add the graphene slurry of certain proportion in ordinary wire drawing oil batching to according to certain concentration configuration, and then when using copper line wire drawing to use, can further improve the lubricating property of lubricating liquid, surface wear when reducing the copper line wire drawing, and difficult broken string, the line yield that draws out promotes, and the surface scratch reduces, but for the lubricating oil in embodiment 1, copper line wire drawing fracture rate is higher relatively.

The lubricating oil obtained in the three groups of examples is compared with common wire drawing oil in application, four-ball abrasion resistance detection is carried out on copper wires, and the detection results are shown in table 1:

TABLE 1

	Average wear scar diameter (μm)
		Example 1	486
Example 2	490
		Example 3	502
Common drawing oil	510

The comparative drawing test of the 100ppm graphene lubricating oil obtained in the example 1 and the common drawing oil is carried out, the abrasion condition of the surface of the copper wire when the copper wire using two different drawing oils is drawn is observed, the observation results are respectively shown in fig. 1 and fig. 2, and it can be obviously seen that the abrasion is obviously reduced and the drawing quality is greatly improved in the drawing treatment of the copper wire using the 100ppm graphene lubricating oil.

In summary, the 100ppm graphene lubricating oil obtained by proportioning in embodiment 1 has the best effect, and when the lubricating oil is applied to copper wire drawing, the lubricating property of the lubricating liquid can be further improved, the surface wear of the copper wire during drawing is reduced, the wire is not easy to break, the yield of the drawn wire is improved, the surface scratches are reduced, and further, after the graphene is attached to the copper wire, the impedance of the copper wire can be further reduced, the electric conductivity is improved, the actual performance of the processed copper wire is improved, the fine performance of the drawn copper wire is enhanced, and a certain amount of antirust agent and antioxidant are added into the lubricating liquid, so that the use quality of the copper wire after drawing by using the lubricating liquid can be effectively improved, the oxidation by air can be effectively prevented, and the actual quality of the copper wire is further improved.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.