RUBBER COMPOUNDING OIL AND METHOD FOR PRODUCING SAME

WIPO Patent Application WO2010110093

A1

Disclosed is a rubber compounding oil which contains an extract (A) and a lubricant base oil (B). The extract (A) has an aniline point of 40-90°C, a %CA of 25-45 and a %CN of 5-20 as determined according to ASTM D3238, a nitrogen fraction of not less than 0.01% by mass, a pour point of not more than +30°C, a benzo(a)pylene content of not more than 1 ppm by mass, a total content of specific aromatic compounds of not more than 10 ppm by mass, and a kinematic viscosity at 40°C of not less than 650 mm2/s. The lubricant base oil (B) has a pour point of not more than -10°C, an aniline point of not less than 70°C, a %CA of 3-20 and a %CN of 15-35 as determined according to ASTM D3238, a nitrogen fraction of not more than 0.01% by mass, a 90% point in GC distillation of not less than 500°C, a flash point of not less than 250°C, a benzo(a)pylene content of not more than 1 ppm by mass, and a total content of specific aromatic compounds of not more than 10 ppm by mass.

YOSHIDA TOSHIO (JP)
TSUJII MEGUMI (JP)
IHARA MINORU (JP)
HOTTA TAKASHI (JP)
MAEYAMA KOJI (JP)

PCT/JP2010/054226

September 30, 2010

March 12, 2010

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NIPPON OIL CORP (JP)
YOSHIDA TOSHIO (JP)
TSUJII MEGUMI (JP)
IHARA MINORU (JP)
HOTTA TAKASHI (JP)
MAEYAMA KOJI (JP)

C08L21/00; C08L91/00; C10G21/14; C10G53/06; C10M101/02; C10N20/00; C10N20/02

WO2008013096A1	2008-01-31
WO2006129616A1	2006-12-07

HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)

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