| 摘要 |
A catalyst comprising A) a stationary acid component selected from the group consisting of a perfluorinated ion exchange polymer on an inert support, a silane modified perfluorosulfonic acid, and a sulfated metal oxide; and B) a mobile acid component selected from the group consisting of chlorosulfonic acid, fluorosulfonic acid, a fluorinated monosulfonic acid, a fluorinated sulfonimide, a fluorinated disulfonic acid, and an adjunct acid mixture is disclosed.
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