The effect of sizing is best when the weight of malairosin is 7% through researching the effect of the weight of malairosin on the properties of rosinate neutral size emulsion.

• 进一步研究马来松香加合物含量对中性松香胶乳液性能的影响，得出了使用7%25的马来松香加合物施胶效果最佳。