多価アルコール低級脂肪酸エステルの潤滑油としての性状
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Systematic syntheses of esters of pentaerythritol and trimethylolpropane with lower fatty acids have been made and the properties of them as a low temperature lubricating oil and the stability against irradiation of γ-ray from Co<SUP>60</SUP> have been investigated.<BR>The results indicated that the products from pentaerythritol type compound had higher pour point than those of trimethylolpropane system, that with straight chain fatty acid had lower pour point than that of branched chain fatty acid, and the longer the size of molecule, the higher was the pour point of product.Pentaerythritol ester from using of caproic acid or trimethylolpropane ester from using caproic and caprylic acid showed suitable properties as the lubricating oil to be used at low temperature from the standpoint of viscosity, viscosity index and pour point.Also, these products seemed to have good property to be used as the plasticizer.The stability against the irradiation of γ-ray was notso good and it seems that using them for atomic furnace epuipments cannot be anticipated.
- 社団法人 有機合成化学協会の論文
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