Relationship between Friction Coefficient, Contact Angle and Infrared Absorbance of Polypropylene Glycol on Metal Surface

The kinematic viscosities in the undiluted solutions of propylene glycol and the polypropylene glycols were proportional to their molecular weights, but the friction coefficients and compressibilities in polypropylene glycols hardly depended on their molecular weights except for those in propylene g...

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Bibliographic Details
Main Authors: Kazuaki Hachiya, Takao Tanaka
Format: Article
Language:English
Published: Japanese Society of Tribologists 2013-05-01
Series:Tribology Online
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/trol/8/3/8_227/_pdf/-char/en