WATER-SOLUBLE PROCESSING OIL COMPOSITION AND METAL PROCESSING METHOD

• Main Authors: MIYAJIMA MAKOTO, MOTOYAMA TADAAKI
• Format: Patent
• Language: English; Japanese
• Published: 09.05.2023
• Subjects: CHEMISTRY; FUELS; LUBRICANTS; LUBRICATING COMPOSITIONS; METALLURGY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

To provide a water-soluble processing oil composition capable of maintaining a foaming suppressing effect, and a metal processing method using the water-soluble processing oil composition.SOLUTION: A water-soluble processing oil composition comprises: a base oil (A); and a silicone antifoaming agent (B) modified with a polyalkylene oxide modifying group, wherein the silicone antifoaming agent (B) has a weight average molecular weight of more than 26,000.SELECTED DRAWING: None 【課題】泡立ち抑制効果を維持することのできる水溶性加工油組成物、及び、当該水溶性加工油組成物を用いた金属加工方法の提供。【解決手段】基油（Ａ）と、ポリアルキレンオキサイド変性基により変性されたシリコーン系消泡剤（Ｂ）とを含有し、前記シリコーン系消泡剤（Ｂ）の重量平均分子量は、２６０００超である、水溶性加工油組成物。【選択図】なし