seco alkylation

例句：

1. 1. The process of seco alkylation is crucial for the production of polyethylene.
   二烯基烷基化过程对于聚乙烯的生产至关重要。
2. 2. The seco alkylation reaction was used to produce a variety of chemicals.
   二烯基烷基化反应被用来生产各种化学品。
3. 3. In the seco alkylation process, the double bonds in the polymer are converted into alkylene groups.
   在二烯基烷基化过程中，聚合物中的双键被转化为烷基。