Olefin oligomerization with surface modified zeolite catalyst

A mixture of liquid hydrocarbons comprising at least 95% by weight of mono-olefins having at least 6 carbon atoms, said mono-olefins being formed by oligomerizing a mixture of propylene and butene, said mono-olefins comprising at least 20 percent by weight of olefins having at least 12 carbon atoms, said olefins having at least 12 carbon atoms having an average of from 0.80 to 2.00 methyl side groups per carbon chain, said olefins not having any side groups other than methyl.

A mixture of hydrocarbons, said hydrocarbons comprising at least 95 percent by weight of mono-olefins having 12 carbon atoms, said mono-olefins having a straight backbone chain of at least 10 carbon atoms, said mono-olefins having an average of from 0.40 to 2.00 methyl side groups per carbon chain, said mono-olefins comprising at least 5 mole percent of dodecene, at least 30 mole percent methylundecene and at least 5 mole percent dimethyldecene.

A mixture of hydrocarbons, said hydrocarbons comprising at least 95 percent by weight of mono-olefins having 15 carbon atoms, said mono-olefins having a straight backbone chain of at least 13 carbon atoms, said mono-olefins having an average of from 0.40 to 2.00 methyl side groups per carbon chain, said mono-olefins comprising at least 5 mole percent of pentadecene, at least 30 mole percent methytetradecene and at least 5 mole percent dimethyltridecene.

A mixture of hydrocarbons, said hydrocarbons comprising at least 95 percent by weight of mono-olefins having 16 carbon atoms, said mono-olefins having a straight backbone chain of at least 14 carbon atoms, said mono-olefins having an average of from 0.40 to 2.00 methyl side groups per carbon chain, said mono-olefins comprising at least 5 mole percent of hexadecene, at least 30 mole percent methylpentadecene and at least 5 mole percent dimethyltetradecene.

A mixture of hydrocarbons, said hydrocarbons comprising at least 95 percent by weight of mono-olefins having 18 carbon atoms, said mono-olefins having a straight backbone chain of at least 16 carbon atoms, said mono-olefins having an average of from 0.40 to 2.00 methyl side groups per carbon chain, said mono-olefins comprising at least 5 mole percent of octadecene, at least 30 mole percent methylheptadecene and at least 5 mole percent dimethylhexadecene.

A process for the selective alkylation of an aromatic compound with a relatively long chain length alkylating agent to produce substantially linear phenylalkanes, said alkylating agent comprising a mixture of mono-olefins having 12 carbon atoms, said mono-olefins having a straight backbone chain of at least 10 carbon atoms, said mono-olefins having an average of from 0.40 to 2.00 methyl side groups per carbon chain, said mono-olefins comprising at least 5 mole percent of dodecene, at least 30 mole percent methylundecene and at least 5 mole percent dimethyldecene;

• said process comprising contacting said aromatic compound with said alkylating agent in the presence of a selective zeolite catalyst under sufficient reaction conditions, wherein said reaction conditions include a temperature of between about 50.degree. C. and about 500.degree. C. and a pressure within the approximate range of 2.5.times.10.sup.4 N/m.sup.2 to 2.5.times.10.sup.7 N/m.sup.2, said selective zeolite catalyst being characterized by a crystal structure having channels or network of pores therethru, the major dimension of the openings to said channels or networks of pores being between about 6 and about 7 angstroms.