| 摘要 |
A process for reducing the water take up of a vinyl aromatic-conjugated diene polymer when subjected to a humid environment, the process comprising solution polymerising at least one vinyl aromatic hydrocarbon and a conjugated diene in the presence of a catalyst based on an alkali metal to produce alkalimetal derivatives of a vinyl aromatic-conjugated diene polymer and neutralising the derivatives with a C9-C16 alkyl dicarboxylic acid.
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