In this paper, the birefringence method and its practical USES for measurement of orientation degrees of Polyethylene monofilaments have been investigated.
本文研究了双折射法测定聚乙烯挤出单丝取向度的方法与实际应用。
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While increasing the diameter of spinneret hole, the filament diameter of PET POY was increased, both the orientation and the birefringence of PET filament were decreased.