Polyolefin block copolymer viscosity modifier

Details Polyolefin block copolymer viscosity modifier Polyolefin block copolymer viscosity modifier

1997-06-24

2000-08-29

Howard, Jacqueline V.

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Solid hydrocarbon polymer

585 12, 525314, 525246, 525249, C10M14300

Patent

active

061108804

ABSTRACT:
A viscosity modifier comprising a low molecular weight block copolymer including A blocks and B blocks, wherein the A blocks comprise at least about 93 wt. % polyethylene and the B blocks comprise a copolymer of between about 40 wt. % to 75 wt. % ethylene and at least one other .alpha.-olefin; wherein the resulting block copolymer has an average ethylene content of between about 60 wt. % to 80 wt. %.

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