Lubricating oil for refrigerating machine

Application Number: 00105312
Application Date: 2000.03.31
Publication Number: 1315492
Publication Date: 2001.10.03
Priority Information:
International: C10M105/38
Applicant(s) Name: Research Inst of Yanshan Petro-Chemical Co, Beijing
Inventor(s) Name: Ding Ming;Liu Guowen;Zhang Tianqiao
Patent Agency Code: 11038
Patent Agent: sun ai
Abstract A novel polyolester oil for refrigerating machine is prepared through the reaction of trihydroxymethylpropane or pentaerythritol on equivalent naphthenic acid and further reaction with excess saturated monoacid. The composition of the working fluid containing polyol ester for refrigerating machine is also disclosed.