| US 7,571,702 B2 | ||
| Resin composition for intake system part for internal combustion engine and intake system part | ||
| Sueki Sugawara, Sodegaura (Japan); Toshiyuki Ishii, Sodegaura (Japan); Kazuyuki Iida, Sodegaura (Japan); Taketoshi Matsumoto, Hamamatsu (Japan); Kunimoto Sugiyama, Hamamatsu (Japan); and Makoto Nakamichi, Hamamatsu (Japan) | ||
| Assigned to Toyo Roki Mfg. Co., Ltd., Hamamatsu-shi (Japan) | ||
| Appl. No. 11/667,163 PCT Filed Oct. 06, 2006, PCT No. PCT/JP2006/020093 § 371(c)(1), (2), (4) Date May 07, 2007, PCT Pub. No. WO2007/043468, PCT Pub. Date Apr. 19, 2007. |
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| Claims priority of application No. 2005-294979 (JP), filed on Oct. 07, 2005. | ||
| Prior Publication US 2008/0110429 A1, May 15, 2008 | ||
| Int. Cl. F02M 35/10 (2006.01) | ||
| U.S. Cl. 123—184.61 [524/528] | 8 Claims |
| 1. A resin composition for a component of an air intake system of an internal combustion engine comprising
(1) polypropylene-based resin: 67 to 89 wt %,
(2) acid-modified polypropylene-based resin: 1 to 3 wt %, and
(3) carbon fiber and graphite powder: 10 to 30 wt %;
wherein the amount of the acid in the acid-modified polypropylene-based resin is 0.1 to 10 wt %, and the mass ratio (Wg/Wcf)
of graphite powder (Wg) to carbon fiber (Wcf) in the resin composition is 1 to 10.
|