| 摘要 |
A branched polysiloxane styrene butadiene polymer of the following formula <IMAGE> +TR <IMAGE> wherein m is a number of from about 2 to about 10; z is the number 3,4 or 5; n is a number of from about 10 to about 1,000; k, l and o are weight fraction numbers with k being from about 0.35 to about 0.95, l being from 0.1 to about 0.2, and o is from about 0.05 to about 0.5; R is an aromatic substituent, alkyl-CR''C(O)O, and alkylene-CR''C(O)O, wherein R'' is hydrogen or an alkyl substituent, and R' is an alkyl substituent or a trialkylsilylether substituent.
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