mPE/LDPE與mPE/PP摻合物之結晶動力學研究

Crystallization and Morphology of mPE/LDPE and mPE/PP Blends

倪子傑(Lai Chi Kit)

指導教授 ： 王紀

元智大學/工程學院/化學工程與材料科學學系/碩士(1997年)

摘要

本論文是以中文撰寫,無中文摘要並請參考英文摘要

關鍵字

結晶 ； 形態學 ； 光散射

並列摘要

The morphology, and crystallization of mPE1/LDPE and mPE1/PP a
re described in the present study. Blends of various compositio
ns were studied using differential scanning calorimetry, small
angle light scattering and polarized light microscopy. A
discussion on the state of compatibility and structure- property
relationships for such blends is also presented. Analysis of
crystallization exotherms in terms of crystallization
nucleation, growth rates, crystallite size distributions, and
crystallinity revealed differences in the morphology of LDPE
and PP components in the blends with different regions of blend
composition. The DSC results showed two separate
crystallization temperatures and melting temperatures for
mPE1/LDPE and mPE1/PP blends. The melting temperatures and
crystallization temperatures of LDPE decreased with increasing
the component of mPE1. The spherulitic growth rate of LDPE
decreased with increasing the component of mPE1 at a fixed
crystallization temperature. However, it was noted that the
spherulitic growth rates of PP for various blends are identical
but smaller than those of the plain PP. It was obvious that
both mPE1/LDPE and mPE1/ PP are immiscible in the molten state.

並列關鍵字

Crystallization ； Morphology ； Light scattering

參考文獻

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