polymerization accelerator

例句：

1. 1. Polymerization accelerators are used to speed up the polymerization process.
   聚合促进剂用于加速聚合过程。
2. 2. The addition of this accelerator can significantly improve the strength and durability of the composite material.
   加入这种促进剂可以显著提高复合材料的强度和耐久性。
3. 3. The researcher found that the right amount of accelerator could make the reaction faster andmore efficient.
   研究人员发现，适量的促进剂可以使反应更快更高效。