RUBBER COMPOSITION

PURPOSE:To obtain a rubber composition having improved fatigue resistance by blending a natural rubber or diene based synthetic rubber with uniformly colloidal carbon black hand selective characteristics. CONSTITUTION:The aimed composition obtained by blending (A) 100 pts.wt. natural rubber or diene...

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Bibliographische Detailangaben
1. Verfasser:	YOSHII TAIJI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a rubber composition having improved fatigue resistance by blending a natural rubber or diene based synthetic rubber with uniformly colloidal carbon black hand selective characteristics. CONSTITUTION:The aimed composition obtained by blending (A) 100 pts.wt. natural rubber or diene based synthetic rubber with (B) 20-100 pts.wt. carbon black having selective characteristics expressed by formula I to formula IV (N2SA is a specific surface area of nitrogen adsorption; DBP is DBP oil absorption amount; Dst is stokes mode diameter of carbon black aggregate; Dst is half value width of the above-mentioned stokes mode diameter) and obtained by a method introducing atomizing stream of raw material oil into high- temperature combustion gas by fuel oil and a oxidizing agent containing air or oxygen at two stages using a wide-diameter cylindrical reaction furnace having gradually converging, opening and spreading drum-like squeezing part, and kneading the blend with other necessary components.