The introduction of the vinyl monomer containing polar group into PP macromolecular chain could improve the flame retardance of PP obviously.
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;
SEM picture revealed that treated surface become rough, while FTIR analysis showed that groups of materials were changed in modified chemical with introduction of oxygen-containing polar group.
FTIR分析表明,改性后的材料化学基团发生变化,引入了含氧极性基团。
Like the UNIFAC group-contribution equation of state, it performs satisfactorily in the VLE prediction of systems containing polar components, including VLE under high pressures.
用此法预测了含极性组分体系常压到较高压力的汽液平衡,结果良好,与UNIFAC基团贡献状态方程的结果相当。
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