The ultrafine powdered full-vulcanized nitrile rubber and its application in the compounding toughening modification of rigid PVC and soft PVC were introduced.

• 介绍了超细全硫化粉末丁腈橡胶及其在硬质聚氯乙烯和软质聚氯乙烯两种材料共混增韧改性中的应用进展。