Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blends

A composition comprising a polyalphaolefin, the polyalphaolefin being produced from a C6 to C16 normal alpha olefin comprising at least 80 weight percent of a C8 normal alpha olefin, the polyalphaolefin comprising:

• a) less than 1 weight % saturated alpha olefin monomer;
• b) less than 3 weight % saturated dimers;
• and
• c) greater than 80 weight % saturated higher oligomers
• and having
• i) a 100° C. kinematic viscosity of at least 25 cSt;
• ii) a viscosity index greater than 150;
• and
• iii) a pour point less than 0° C.;
• and
• iv. a Bernoulli index less than 1.65.

A composition comprising an alpha olefin oligomer product, the alpha olefin oligomer product being produced from a C6 to C16 normal alpha olefin comprising at least 90 weight percent of a C8 normal alpha olefin, the alpha olefin oligomer product comprising:

• a) less than 1 weight % residual alpha olefin monomer;
• b) less than 3 weight % dimers;
• and
• c) greater than 80 weight % higher oligomers;
• and having
• i) a 100° C. kinematic viscosity of at least 25 cSt;
• and
• ii) a viscosity index greater than 170.