The unique lobate-pore structure of acidic ZSM-57 zeolite favors the crosswise arrangement of light alkenes and thus their selective dimerization into C6–C12 oligomers (see picture). Allylic hydrogen abstraction and deactivation generally observed with other acidic zeolites is largely suppressed in ZSM-57.
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Martens et al. (2000) studied this question.
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