COOLING LIQUID

• Main Authors: HATTORI NAOKI, NAKANO SEIICHI, KATAYAMA TAKUYA, KUBO TOMOO, KAGA NOBUYUKI, NAGAOKA TOSHIHIRO
• Format: Patent
• Language: English; Japanese
• Published: 05.11.2015
• Subjects: ADHESIVES; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; DYES; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25; NATURAL RESINS; NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; PAINTS; POLISHES

PROBLEM TO BE SOLVED: To provide a cooling liquid composition having heat characteristics similar to conventional glycol-based cooling liquids and low viscosity capable of reducing electric power consumption of an electric pump by making viscosity of the cooling liquid lower.SOLUTION: There is provided a cooling liquid containing formamide and/or methylformamide of 20 to 70 wt.%, water of 80 to 30 wt.% and an antirust agent of 0.1 to 10 wt.%. 【課題】従来のグリコール系冷却液と同等の熱特性を持ち、かつ冷却液の粘度をより低粘度とすることによって、電動ポンプの消費電力を低下させることができる低粘度の冷却液組成物の提供。【解決手段】ホルムアミド及び／又はメチルホルムアミド２０〜７０重量％、水８０〜３０重量％、防錆剤０．１〜１０重量％含有する冷却液組成物。【選択図】なし