heat of polymerization 基本例句 聚合热 Replacing the direct or indirect heating for polymerizing heat drying can avoid the formation of oligomer and reduce the oligomer content in the ultimate product.本发明通过采用直接加热或间接加热干燥的方式代替聚合热干燥方式,避免了聚合蒸发干燥阶段聚合生成低聚物的可能,减少了最终产品中的低聚物含量。