PERFLUOROPOLYALKYL ETHER-BASED COMPOUND, LUBRICANT COMPOSED OF THE COMPOUND AND RECORDING MEDIUM USING THE LUBRICANT

Title:

PERFLUOROPOLYALKYL ETHER-BASED COMPOUND, LUBRICANT COMPOSED OF THE COMPOUND AND RECORDING MEDIUM USING THE LUBRICANT

Document Type and Number:

Japanese Patent JP2003073346

Kind Code:

A

Abstract:

To obtain a lubricant for recording medium keeping excellent lubricating properties under various use conditions, maintaining lubricating effect for many hours and having excellent running properties, abrasion resistance and durability, etc.

For example, C18H37-CH(CH2COOC4H8NH2)COO-Rf-OCOCH(CH2 COOC4H8NH2)-C18H37 (Rf is a fluoropolyether group having 2,000 average molecular weight) is used as a lubricant for a magnetic recording medium.

Inventors:

KAMEI TAKAHIRO
KOBAYASHI TAKESHI
KURIHARA KENICHI
KISHII NORIYUKI
IWAMOTO HIROSHI
TSUBOI HISANORI

Application Number:

JP2001266321A

Publication Date:

March 12, 2003

Filing Date:

September 03, 2001

Export Citation:

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Assignee:

SONY CORP

International Classes:

C08J7/04; C07C219/06; C08G65/331; C10M105/60; C10M107/44; G11B5/725; C10N30/00; C10N30/06; C10N40/18; (IPC1-7): C07C219/06; C08G65/331; C08J7/04; C10M105/60; C10M107/44; G11B5/725

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