Amoco, Texas City, Tex. 256 Amoco, Whiting, Ind. 240 Infinium, Baytown, Tex 175 Infinium, Bayway, N.J. 100 Lubrizol, Deer Park, Tex. Infinium is a joint venture between Exxon and Shell. Its plant sites were operated by Exxon prior to January 1999. BP Amoco has more than doubled its Whiting plant since the last profile update in 1996.
Pricing varies widely according to molecular weight and volume.
Additive-appropriate polybutenes are sold in much larger volumes than are polybutenes for adhesives and caulks. The caulks and sealants market, though small, has grown because of the nation's construction boom. More vehicles are on the road, but they have better engines that require fewer oil changes. Polybutenes also exhibit inferior performance at low temperatures and in diesel engines. Exports to the Far East have declined because of the Asian economic crisis and production increases in that region.