Band-shaped lubricating material for dry wiredrawing and process for producing same
A technology of lubricating materials and dry wire drawing, which is applied in the direction of lubricating compositions, base materials, additives, etc., to achieve reliable plastic deformation and safe use
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Embodiment 1
[0061] Example 1 shows an example of the strip-shaped lubricating material that is suitable for the present invention and is experimentally prepared for dry wire drawing. Comparative Example 1 shows the powder lubricant that is not applicable to the present invention and is used for dry wire drawing. Comparative Example 2 shows The strip-shaped polyethylene that is not applicable to the present invention has been eliminated.
Embodiment 1)
[0063] In a reaction vessel equipped with a stirring device, 75 parts by weight of industrial stearic acid were heated / melted under stirring, and then 25 parts by weight of slaked lime were added. This mixture was heated / stirred continuously until viscous. When the mixture becomes hard, stop heating / stirring, take out, cool and grind, so that its 500 mesh molecular sieve passing rate is about 60%, thus obtaining a calcium-based lubricant as a saturated fatty acid metal salt. 70 parts by weight of the obtained saturated fatty acid metal salt and 20 parts by weight of polyethylene as a thermoplastic resin were heated / kneaded at 180° C. with a hot kneader (trade name: Labo Plasto Mill). The obtained solid was formed into a sheet having a film thickness of 0.5 mm or less by a heating type press, and then cut into a tape having a width of 8 mm with a slicer, thereby obtaining a tape-shaped lubricating material for dry wire drawing.
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