【発明の名称】タイヤ用ゴム組成物

Japanese Patent JP2912845

B2

A rubber composition for a tyre characteristically comprising a diene rubber having an epoxy group, either a monoamine compound or a diamine compound having a structural unit represented by the formula (1): (where R<1>, R<2>, R<3>, and R<4> are each a hydrogen atom or an alkyl group having one to three carbon atoms, and X represents any structural formula) and carbon black, wherein the rubber composition has a dissipation factor at -10 DEG C (tan delta (-10 DEG C)) and a dissipation factor at 70 DEG C (tan delta (70 DEG C)) which satisfy the following expressions: $$ $ $ where\; tan\; delta\; c(-10\; DEG\; C)\; and\; tan\; delta\; c(70\; DEG\; C)\; are\; tan\; delta\; at\; -10\; DEG\; C\; and\; 70\; DEG\; C\; of\; a\; control\; rubber\; composition\; of\; the\; same\; formulation\; as\; the\; rubber\; composition\; except\; that\; the\; control\; rubber\; composition\; includes\; a\; diene\; rubber\; having\; no\; epoxy\; group\; and\; is\; free\; of\; the\; diamine\; compound\; having\; a\; structural\; unit\; represented\; by\; the\; formula\; (1).$$$$

TERAKAWA KATSUMI
KIKUCHI NAOHIKO
MURAOKA KYOSHIGE
MATSUO TOSHIAKI
UEDA MINORU

JP8150295A

June 28, 1999

April 06, 1995

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SUMITOMO GOMU KOGYO KK

B60C1/00; C08G59/34; C08G59/50; C08K5/17; C08K13/02; C08L9/00; C08L15/00; C08L19/00; C08K3/04; C08L21/00; C08L63/00; (IPC1-7): C08G59/34; C08G59/50; C08K13/02; C08L9/00; C08L63/00

JP50130898A
JP55108418A
JP397720A
JP3126737A
JP7278411A

Toshio Yasuda

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