二氧化硅对BOPET光学性能影响研究  

Effect of silica on optical properties of biaxially oriented polyethylene terephthalate

作　　者：司虎 王树霞 戴钧明 王坤 王玉合 黄洛玮 Si Hu;Wang Shuxia;Dai Junming;Wang Kun;Wang Yuhe;Huang Luowei(Research Institute of Sinopec Yizheng Chemical Fibre Co., Ltd., Yizheng Jiangsu 211900, China;Jiangsu Key Laboratory of High Performance Fiber, Yizheng Jiangsu 211900, China)

机构地区：[1]中国石化仪征化纤有限责任公司研究院,江苏仪征211900 [2]江苏省高性能纤维重点实验室,江苏仪征211900

出　　处：《合成技术及应用》2020年第4期1-7,共7页Synthetic Technology & Application

摘　　要：为研究添加剂含量及薄膜厚度等对薄膜光学性能的影响,采用原位聚合法制备了含二氧化硅(SiO2)的聚对苯二甲酸乙二醇酯(PET),采用双向拉伸的方式制备了双向拉伸聚对苯二甲酸乙二醇酯薄膜(BOPET),通过扫描电镜、激光共聚焦显微镜和差示扫描量热仪等考察了薄膜微观形貌、粗糙度、结晶度等性能,系统研究了SiO2粒径和含量对薄膜透过率、雾度、光泽度等光学性能的影响。在研究范围内,当SiO2粒径中值为3.6~4.1μm时,制备的BOPET薄膜具有透过率低、雾度高、光泽度低的特点。In order to study the influence of additive content and film thickness on the optical properties of thin films,polyethylene terephthalate(PET)was prepared by in-situ polymerization and two-way stretch preparation were used to prepare BOPET film.In this paper,the microstructure,roughness,crystallinity and other performance characterization data of the film were investigated by scanning electron microscope,laser confocal microscope and DSC.The influence of silica particle size and content on the optical properties of the film,such as transmittance,haze,gloss were systematically studied.In the research range,the BOPET film prepared accordingly had the characteristics of low transmittance,high haze and low gloss when the median silica particle size was 3.6~4.1μm.

关 键 词：SIO2 聚对苯二甲酸乙二酯 双向拉伸薄膜 透过率 雾度 光泽度 

分 类 号：TQ322[化学工程—合成树脂塑料工业]