FUNCTIONALIZED DIENE RUBBERS PREPARED WITH UNSATURATED SILOXANE-BASED COUPLING AGENTS

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United States of America

APP PUB NO 20250043041A1
SERIAL NO

18717405

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Abstract

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Method of making a polydiene rubber comprising

    (i) polymerizing at least one aliphatic conjugated diene monomer, preferably having from 4 to 25 carbon atoms, to produce a polymer having reactive polymer chain ends,(ii) reacting at least some of the reactive polymer chain ends with a coupling agent comprising from 2 to 20 unsaturated siloxane units, preferably from 3 to 15 units, more preferably from 3 to 10 units,(iii) using at least one functionalization agent for introducing at least one functional group to the polymer, wherein the functional group, preferably, has in addition to C and H atoms at least one heteroatom selected from Si, S, N, O or combinations thereof and wherein (iii) is carried out before, after or during step (ii).

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Patent Owner(s)

  • ARLANXEO DEUTSCHLAND GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
GUTSCHANK, Benjamin Dormagen, DE 3 3
STEINHAUSER, Norbert Dormagen, DE 38 133
WUEST, Kilian Nikolaus Richard Dormagen, DE 3 0

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