METHOD FOR PRODUCING NATURAL RUBBER MASTER BATCH

PROBLEM TO BE SOLVED: To provide a method for producing a natural rubber master batch useful for producing a natural rubber composition improved in processability/reinforcing ability and abrasion resistance. SOLUTION: The method for producing the natural rubber master batch comprises the step of mix...

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Bibliographische Detailangaben
1. Verfasser:	FUKUHARA NOBUHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for producing a natural rubber master batch useful for producing a natural rubber composition improved in processability/reinforcing ability and abrasion resistance. SOLUTION: The method for producing the natural rubber master batch comprises the step of mixing together a natural rubber latex and carbon black slurry in a liquid phase, the step of coagulating the mixture and the step of washing the resultant coagulate, wherein the pH of the water fraction of the coagulated particles after the washing step is brought to 5.5 or higher but lower than 7. COPYRIGHT: (C)2006,JPO&NCIPI