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.
考察了共混比、不饱和极性单体、PP熔体挤出接枝物、增塑剂及EPDM用量对共混物力学性能的影响。
The influences of blending ratios, EPDM's quantity, PP melt - extruded grafting copolymers, unsaturated polar monomers and plasticizer on the mechanical properties of the blends were investigated.
后过渡金属镍、钯烯烃聚合催化剂在催化单一原料乙烯制线性低密度聚乙烯、催化乙烯和极性单体聚合方面具有突出的优势。
The nickel and palladium catalysts have extrude advantage in catalyse singleness ethylene to manufacture LLDPE and catalyse copolymerization of ethylene and polar monomer.
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