岡山大学環境理工学部研究報告 ISSN 2187-6940
Published by Faculty of Environmental Science and Technology, Okayama University

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流動場結晶化における異形微粒子添加によるshish構造形成の促進

山崎 慎一 岡山大学
若林 完爾 岡山大学
水間 健太 岡山大学
木村 邦生 岡山大学
抄録
We have shown that the shish was formed from the oriented melt composed of the elongated chains caused by dust particles within the melt via bundle typed nucleation under flow with low shear rate (γ=5s(-1)). This implies that dust particles effectively cause the elongation of chains within the melt. In this work, we observed the crystallization of polypropylene added with irregular shaped particles under shear flow by means of polarizing optical microscope. We prepared various shaped particles such as confetti-like, spherical and rock-like. We found that the size and asymmetric shape of additive particles play an important role for the acceleration of formation of shish.
キーワード
shish
crystallization
polypropylene
shear flow
elongation
injection molding
ISSN
1341-9099
NCID
AN10529213