MODIFIED RUBBER COMPOSITION

PROBLEM TO BE SOLVED: To obtain the subject composition comprising a rubber, furnace black and a specific compound and enabling the production of a rubber product having both a high tensile strength and an improved compression permanent set in a conventional rubber-processing process. SOLUTION: This...

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Bibliographische Detailangaben
Hauptverfasser:	IIJIMA TAKASHI, FUKUNAGA NOBUYUKI, YANO HIROYUKI, MINAMI TAIZO, TAKUSAGAWA TAKASHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES PREPARATION OF CARBON BLACK THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain the subject composition comprising a rubber, furnace black and a specific compound and enabling the production of a rubber product having both a high tensile strength and an improved compression permanent set in a conventional rubber-processing process. SOLUTION: This modified rubber composition comprises (A) 100 pts.wt of at least one kind of rubber selected from natural rubber and synthetic rubbers, (B) 15-150 pts.wt. of furnace black and (C) 0.05-6.0 pts.wt. of a compound of the formula [R1 -R3 are each H, methyl; (n) is >=3]. The component B is preferably polyethylene glycol having a mol.wt. of >=150, or glycerol. The components are compounded e.g. by a method using a closed kneading machine, etc.