RUBBER ADDITIVE, METHOD FOR PRODUCING RUBBER ADDITIVE, AND RUBBER COMPOSITION

To provide a rubber additive that enables the production of a rubber composition demonstrating superior dispersion of CNF and superior reinforcement effects due to CNF.SOLUTION: A rubber additive includes a base rubber, cellulose nanofibers, and a plasticizer. Relative to 100 pts.mass of the base ru...

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Hauptverfasser:	NONAKA KEIZO, NOGUCHI TORU, WADA HIROSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a rubber additive that enables the production of a rubber composition demonstrating superior dispersion of CNF and superior reinforcement effects due to CNF.SOLUTION: A rubber additive includes a base rubber, cellulose nanofibers, and a plasticizer. Relative to 100 pts.mass of the base rubber, the content of the cellulose nanofibers is 25 pts.mass or more and 50 pts.mass or less and the content of the plasticizer is 5 pts.mass or more and 50 pts.mass or less.SELECTED DRAWING: None 【課題】ＣＮＦの分散性に優れ、かつＣＮＦによる補強効果に優れたゴム組成物を製造することができるゴム用添加剤を提供する。【解決手段】ベースゴムと、セルロースナノファイバーと、可塑剤とを含有し、上記ベースゴム１００質量部に対する上記セルロースナノファイバーの含有量が２５質量部以上５０質量部以下であり、上記ベースゴム１００質量部に対する上記可塑剤の含有量が５質量部以上５０質量部以下であるゴム用添加剤。【選択図】なし