Robert Prud'homme - Lawrenceville NJ, US Henry Ashbaugh - Santa Fe NM, US
International Classification:
C08F297/00 C08L053/00 C10M143/12
US Classification:
525/314000, 525/242000, 525/240000, 508/591000
Abstract:
The present invention relates to a method of using a block copolymer comprising monomeric units of 1,4-butadiene and at least one other comonomer addition products to lower the gel point of crude petroleum. The block copolymer comprises at least 10% by weight of at least one crystallizable block and at least one low crystallinity block.