教師資料查詢 | 類別: 會議論文 | 教師: 林國賡 Lin, Gwo-geng (瀏覽個人網頁)

標題:黏彈性對塑膠射出光學鏡片之光學品質的影響
學年104
學期1
發表日期2016/01/29
作品名稱黏彈性對塑膠射出光學鏡片之光學品質的影響
作品名稱(其他語言)
著者De-Lung Lai; Gwo-Geng Lin; Chao-Tsai (CT) Huang; Chen-Chieh Wang; Yuan-Jung Chang; Rong-Yeu Chang
作品所屬單位
出版者
會議名稱第39屆高分子研討會
會議地點Tainan, Taiwan
摘要In modern life, polymeric optical lens has been utilized in many electronic devices, such as camera, mobile phone, tablet, and other optical devices. Although hundred million lenses are produced annually for these devices, the quality is the key to the main suppliers. Indeed, the optical quality can be affected by the geometric features and/or the optical birefringence. However, how the material’s viscoelasticity influences the optical features is still not fully understood yet. In this study, we have investigated the viscoelastic effects on the optical property of a lens made of Zeonex COP 480R material by the traditional injection molding, simulated with n = 0.4 and * = 217,000 Pa in the Cross model. Results show that if the power-law index (n) was varied from 0.1 to 0.6, the total fringed order has no significant difference, but the fringed patterns were varying dominantly in the perpendicular direction, instead of the flow direction for the case at n = 0.4.
This situation was matched with the distribution of the flow-induced residual stresses. Moreover, if the * in the Cross model was varied from 100,000 Pa to 300,000 Pa, the total fringed patterns were apparently changing from being dominated in the flow direction to being in the direction perpendicular to the flow. The influenced width of the fringed patterns was almost linearly increased with the increasing *. The results can be applied as some guideline for either the further material modifications or the new material developments.
關鍵字流變學;黏彈性;雙折射;Cross model;White-Metzner model
語言英文(美國)
收錄於
會議性質國內
校內研討會地點
研討會時間20160129~20160130
通訊作者
國別中華民國
公開徵稿
出版型式
出處第39屆高分子研討會論文集光碟 OC-01
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