| 摘要 |
The present invention relates to a strippable, high service temperature oil gel composition which comprises: (a) 100 parts by weight of a hydrogenated vinyl aromatic hydrocarbon-butadiene-vinyl aromatic hydrocarbon block copolymer which has an overall weight average molecular weight of from 30,000 to 300,000, a vinyl aromatic hydrocarbon block weight average molecular weight of from 4000 to 35,000, and wherein the butadiene block has a vinyl content of at least 45% by weight, and (b) from 900 to 4900 parts by weight of an oil, or a mixture of oil and a polyolefin wax and/or an extender liquid. In a further aspect, the present invention relates to the block copolymer described above.
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