在PP大分子链上接枝含极性基团的乙烯基单体，可显著提高PP的阻燃性能；
The introduction of the vinyl monomer containing polar group into PP macromolecular chain could improve the flame retardance of PP obviously.
初步构效关系表明，反-4-苯乙烯基吡啶母环上的吡啶基是活性必须基团；
The structure-activity relationships of these compounds indicated that pyridyl group on the 4-styrene pyridine ring was necessary for the activity;
应用推荐