KR840004920A - Rubber composition containing aromatic furazane oxide - Google Patents

Abstract

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Description

Rubber composition containing aromatic furazane oxide

As this is a public information case, the full text was not included.

Claims (15)

A non-cured rubber composition comprising at least one rubber having an unsaturated carbon chain and at least one aromatic furazane oxide represented by a small amount of the following subformation necessary for improving physical properties. The carbon atoms described herein are part of a single associated aromatic ring. The composition of claim 1 wherein the rubber is NR, IR, BR, SBR, CR, CIIR, NIR or a mixture of two or more thereof. The composition of claim 2 wherein the rubber is NR, SBR, or a mixture containing at least 50% of one thereof, and wherein the filler is present. The composition of claim 1 wherein the furazane oxide is of the structure Wherein the ring is unsubstituted or lower hydrocarbyl, halogen, hydroxyl group, lower hydrocarbyloxy group, lower hydrocarbylthio group, lower hydrocarbylthia, -oxa and -thia-oxa, lower hydrocarbyl carbonyl group, carbon The carbonyl lower hydrocarbyloxy group, nitro group, amine group or amino group may be substituted with one or two, Y is a linking atom or group. The composition of claim 1 wherein the furazane oxide is of the general formula: Here, the ring is unsubstituted or lower hydrocarbylhalogen, hydroxyl group, lower hydrocarbyloxy group, lower hydrocarbylthio group, lower hydrocarbylcarbonyl group, carbonyl lower hydrocarbyloxy group, nitro group, amine group or amino group. It may be substituted with one or two. The composition of claim 1 wherein the furazane oxide is a benzofurazane oxide or a methyl or methoxy homolog thereof. Filled vulcanizates prepared by vulcanizing the composition according to any one of claims 1 to 6. The vulcanizate according to claim 7, wherein the filler is carbon black, silica or mixtures thereof. The vulcanizate according to claim 7, wherein the furazane oxide is of the following general formula. Wherein the 4,5,6 or 7 position is unsubstituted or lower hydrocarbyl, halogen, lower hydrocarbyloxy group, lower hydrocarbylthio group, lower carbonyl group, carbonyl hydrocarbyloxy group, nitro group, amino or One or two amine groups may be substituted. The vulcanizate according to claim 7, wherein the amount of aromatic furazane oxide in the vulcanizate is in the range of 0.1 to 10 phr. At least part of the tire is made of vulcanizate according to claim 29. A tire wherein the tread portion of the tire is made from the vulcanizate according to claim 29. A process of manufacturing a tire comprising the manufacture of at least a portion of a tire from a filler vulcanizate consisting of one or more rubbers with unsaturated carbon chains, fillers and one or more aromatic furazane oxides represented by small amounts below to reduce operating temperatures. How to lower the operating temperature. The carbon atoms described herein are part of a single aromatic ring. At least one rubber having an unsaturated carbon chain, and a small amount of aromatic furazane oxide represented by the following partial formulas that can promote filler-interaction in a packed vulcanizate containing at least one carbon black and silica filler. A method for promoting the interaction of a rubber-filler in a vulcanizate comprising one or more rubbers having an unsaturated carbon chain and one or more carbon black and silica fillers. The carbon atoms described herein are part of a single aromatic ring. A method of liquefying NR consisting of mixing one or more liquefied amounts of aromatic furazane oxides represented by the partial formula below. The carbon atoms described herein are part of a second, single linked aromatic ring. ※ Note: The disclosure is based on the initial application.