C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 169/04 (2006.01) C10M 111/02 (2006.01) C10M 135/10 (2006.01)
Patent
CA 2060226
A lubricant composition effectively enhancing the press-formability, and corrosion-resistance of a zinc- plated steel material and providing a superior, anti-powdering property and degreasing comprises (A) 70 - 97% by weight of a lubricant component comprising the sub-components of (a) a succinate of a C12-18 aliphatic alcohol, (b) a paraffin wax with a melting point of 45°C - 55°C and (c) a C12-18 fatty acid ester of C6-10 aliphatic alcohol and/or a mineral oil, the weight ratio ((a) + (b))/(c) being 1/3 to 1/1 and the weight ratio (a)/(b) being 1/3 to 4/1, and (B) 3 to 30% by weight of a rust-inhibiting component comprising a sulfonates with C16 or more, a carboxylic acid with C12 or more and/or a salt of the carboxylic acid, and has a melting point of 25°C to 40°C and an acid value of less than 2Ø
Nagae Yoshio
Okumura Yasuo
Tajiri Yasuhisa
Tanizawa Yasuo
Yamaji Takafumi
Nkk Corporation
Ridout & Maybee Llp
LandOfFree
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