| 摘要 |
<p>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, lubricating oils, and petrochemicals. The block copolymer comprises at least 10 % by weight of at least one crystallizable block and at least one low crystallinity block.</p> |
