发明公开
EP0636637A2 Polymeric flow improver additives 失效
Polymere fliessverbesserteZusätze。

Polymeric flow improver additives
摘要:
The invention provides a copolymer of at least one n-(C₈-C₃₀-alkyl) (meth)acrylate with maleic anhydride, which contains alternating (meth)acrylate and maleic anhydride monomeric units, characterised in that the copolymer has a degree of alternation of at least 85%; a process for its preparation; a hydrocarbon oil composition containing it; and its use as a flow improver additive.
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