Process for the preparation of tert.-olefins

C - Chemistry – Metallurgy – 07 – C

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260/709.9

C07C 1/20 (2006.01) C07C 11/02 (2006.01)

Patent

CA 1321607

Process for the preparation of tert.- olefins A b s t r a c t Tert.-olefins are obtained in high purity by cleavage of their alkyl ethers, when the catalysts used for this purpose are styrene/divinylbenzene resins which contain sulphonic acid groups and have a macroporous structure and the polymer matrix of which has an inter- nal surface area of at least 400 m2/g, a pore volume (porosity) of 0.6 - 2.5 ml/g and a mean pore diameter of 40 - 1000 .ANG.. These catalysts show long service lives. EC 178 - US

593472

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