The traditional method of impact modification can enhance the impact strength of rigid PVC profiles, but will not be of benefit to the property of weathering resistance.
在目前使用的普通硬质聚氯乙烯冲击改性方法中,传统的冲击改性方法虽然提高了型材的冲击强度,但是耐候性能不过关。
The test results showed that raw material, precipitation method, feeding speed and Si modification had great influences on dispersion property.
结果表明,不同原料路线、不同制备方法、不同加料速度以及样品中是否含硅等都对酸分散性能有较大的影响。
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