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Oil composition for aluminum processing

An oil composition, aluminum processing technology, applied in the direction of lubricating composition, petroleum industry, etc., can solve the problem of narrow selection range, achieve good balance, suppress health damage, and suppress odor effects

Active Publication Date: 2015-09-30
JX NIPPON OIL & ENERGY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, additives are also required to be highly volatile, so the selection range is narrow, and conventional oils cannot be said to fully satisfy the above-mentioned characteristics.

Method used

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  • Oil composition for aluminum processing

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Embodiment 1～34 and comparative example 1～7

[0145] Each lubricating oil composition of the present invention and each lubricating oil composition for comparison shown in Table 1 were prepared, and the following evaluation tests were performed. The results are shown in Table 1 together. The contents (mass %) of hydrocarbon oil and additives are based on the total amount of the composition. In addition, T5, T95, and T95-T5 in the table represent the 5% distillation temperature (°C), the 95% distillation temperature (°C), and the difference between the 5% distillation temperature and the 95% distillation temperature (°C).

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Abstract

The invention relates to an oil composition for aluminum processing, and provides lubricating oil for aluminum processing which has sufficient degreaser properties, can give play to sufficient processability even if being an additive of a limited range, and can prevent bad smell, skin roughening and the like. The oil composition for aluminum processing is characterized in that the oil composition contains 90 to 99% by mass of hydrocarbon oil (A) and 1 to 10% by mass of oiliness agent (B), distilled temperature of 5% of hydrocarbon oil (A) is above 190 DEG C, distilled temperature of 95% of hydrocarbon oil (A) is below 255 DEG C, a difference of the distilled temperature of 5% and 95% of hydrocarbon oil (A) is below 45 DEG C, more than 90% by mass of paraffin-type hydrocarbon based on hydrocarbon oil, and the oiliness agent (B) is selected from ester, monohydric alcohol and carboxylic acid.

Description

technical field [0001] The present invention relates to an aluminum processing oil composition (a lubricating oil composition for aluminum processing). Background technique [0002] Aluminum fins are used in heat exchangers of refrigeration systems such as refrigerators and air conditioners. The aluminum heat sink is manufactured by subjecting a flat aluminum member (aluminum heat sink) to plastic processing such as protrusion processing, deep drawing processing, punching processing, crimping processing, and thinning and drawing processing. The processing of these aluminum heat dissipation sheets is usually performed using an oil agent. As the oil agent, synthetic hydrocarbons such as isoparaffin are used (for example, refer to Patent Document 1). [0003] The oil attached to the aluminum heat sink after processing needs to be removed by heating. Therefore, the oil agent is required to have a certain or higher volatility. However, if the volatility of the oil agent is im...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10N40/24
Inventor 柴田润一高木智宏石桥和彦
Owner JX NIPPON OIL & ENERGY CORP
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