| 改善眼镜片用TAC膜表观平整度的方法 |
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| 引用本文： | 张占胜,王秋玲.改善眼镜片用TAC膜表观平整度的方法[J].信息记录材料,2013(3):30-35. |
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| 作者姓名： | 张占胜 王秋玲 |
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| 作者单位： | 中国乐凯胶片有限公司片基事业部 |
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| 摘 要： | TAC膜透明性好,机械强度大,可作为摄影感光材料的支持体,又由于在产品成型过程中内应力小,成膜物质的分子呈自由状态取向的概率高,具有优良的光学特性,因此被广泛应用于眼镜片的基材。眼镜片用TAC膜在生产成型过程中,由于受到成型工艺和牵引装置的影响,TAC膜表面有平行于膜运行方向的纵纹,造成表观平整度差,直接影响到眼镜片在染色工艺的色调均匀度和3D眼镜的视觉效果。所以本文着重从成型工艺方面介绍几种改善眼镜片用TAC膜平整度的方法。文中提到的眼镜片用TAC膜是指厚度为240微米的无色片基,涉及到的表观平整度指纵向不平。
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| 关 键 词： | TAC膜 眼镜片 成型工艺 风量 厚度 纵纹 |
Methods of Improving Glass Lens with TAC Film Apparent Smoothness |
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| ZHANG Zhan-sheng,WANG Qiu-ling.Methods of Improving Glass Lens with TAC Film Apparent Smoothness[J].Information Recording Materials,2013(3):30-35. |
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| Authors: | ZHANG Zhan-sheng WANG Qiu-ling |
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| Affiliation: | (The base group of China Lucky Film Co.,Ltd,Baoding 071054,China) |
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| Abstract: | TAC film has good transparency,mechanical strength,dimensional stability,therefore,it can be used as support for photographic photosensitive materials and optical materials,the protection of Polaroid film and the application of the substrate lens.TAC film is formed in the production process.Due to mechanical transmission of vibration and the effects of forming process,there are vertical lines on TAC's surface parallel to the wave patterns of the cross striations die cast.So in this paper,several molding technics to improve spectacle-used-TAC are discussed.The thickness of spectacle-used-TAC is 240micron;the appearance level refers to the vertical uneven. |
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| Keywords: | TAC film spectacles molding technics wind quantum thickness vertical lines |
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