Rubber molded body

The invention relates to a rubber molded body. Provided is a rubber molded body which can maintain excellent sliding properties even in a low-temperature atmosphere (for example, at-40 DEG C to 5 DEG C, particularly in a low-temperature atmosphere after long-term use), and which can obtain a desired...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FURUYA KAZUTO, MORITA YASUSHI, KAWAI MAKOTO, NOJIRI KAZUYOSHI, SHIMIZU ASUKA, HARADA TOMOHIRO, TANI OSAMU, ITO KEIICHI
Format:	Patent
Sprache:	chi ; 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:	The invention relates to a rubber molded body. Provided is a rubber molded body which can maintain excellent sliding properties even in a low-temperature atmosphere (for example, at-40 DEG C to 5 DEG C, particularly in a low-temperature atmosphere after long-term use), and which can obtain a desired abnormal noise suppression effect in the low-temperature atmosphere. The rubber composition according to the present invention contains natural rubber (NR) and butadiene rubber (BR) as main rubber components, and contains 20-70 parts by mass of a paraffin wax having a melting point of 45-57 DEG C when the ratio of the natural rubber (NR) to the butadiene rubber (BR) is 80/20-10/90, expressed as the NR/BR ratio, and the total rubber components are taken as 100 parts by mass. And the total content of the paraffin wax and the fatty acid amide having a melting point of 35-85 DEG C is 40-100 parts by mass. 本发明涉及橡胶成型体。提供即使在低温气氛下(例如-40℃～5℃下、特别是长期使用后的低温气氛下)也能够维持优异的滑动性、能够获得该低温气氛下的所需的异常噪音抑制效果的橡胶成型体。在橡胶成型体涉及的橡胶组合物中，以天然橡胶(NR)