Potassium based catalyst systems for synthesizing rubbery polymers
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United States of America Patent
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Nov 2, 2010
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Oct 9, 2008
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Oct 9, 2008
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Abstract
alkyl, and further wherein any two R's may optionally be part of a carbocyclic ring. The rubbery polymers can have low to medium vinyl microstructure content, i.e., from about 10% to about 40%, and are useful in tire tread rubber compounds which can exhibit improved wear and tear characteristics.
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