The results showed that the properties of additives with branched group and cyclic hydrocarbon were excellent.
结果表明，带支链及环状结构的添加剂极压抗磨性能最好。
The polymer is structurally characterized in that the polymer is a hyper-branched structure containing silicone atoms and aryne group.
该聚合物的结构特征是含有硅原子和芳炔基团的超支化结构。
R2 represents a branched or unbranched alkyl group with 5 to 17 carbon atoms;
R2表示支化或未支化的具有5-17个碳原子的烷基；
R2 represents a branched or unbranched alkyl group with 5 to 17 carbon atoms;
R2表示支化或未支化的具有5-17个碳原子的烷基；
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