摘要
通过分析聚酰亚胺薄膜现有制造技术及存在的问题,对薄膜流涎成型工艺进行改进,在现有成型工艺流程基础上增加正负风压处理、静电处理、模头角度调节处理等措施,并通过引入相应的装置制得高性能聚酰亚胺薄膜。结果表明:采用改进流涎成型工艺制得的薄膜透光率提高、摩擦系数降低、拉伸强度提高、伸长率增加,同时厚度均匀性、膜卷平整性、外观质量均得到了改善。
The extrusion casting molding technology of films was improved by analyzing the manufacturing technology and existing problems of polyimide film. The positive and negative air pressure treatment,electrostatic treatment, die angle adjustment treatment were added to the existing molding process, and then corresponding devices were introduced to prepare high performance polyimide films. The results show that the films prepared by the modified extrusion casting molding process have higher transmittance, lower friction coefficient, higher tensile strength, and larger elongation, and the thickness uniformity, roller smoothness, and appearance are improved.
引文
[1]任小龙.国外聚酰亚胺薄膜工业发展概况[J].绝缘材料,2012,45(6):34-37,42.
[2]冯俊杰,任小龙,姬亚宁.国内聚酰亚胺薄膜发展概况[J].中国塑料,2014,28(11):12-19.
[3]任小龙,邢利欣,王林,等.中国台湾地区聚酰亚胺薄膜工业级产品发展概况[J].绝缘材料,2014,47(4):17-20.
[4]刘金刚,倪洪江,房光强,等.特种聚酰亚胺薄膜制备技术新进展[J].绝缘材料,2015,48(1):1-5,9.
[5]任小龙,李爱新,李艺,等.双向拉伸聚酰亚胺薄膜制造过程异常分析与处理[J].绝缘材料,2013,46(5):4-8.
[6]任小龙,黄永生,郭平亮,等.提高聚酰亚胺薄膜质量的制造技术研究[J].塑料工业,2015,43(5):113-117.
[7]任小龙,黄永生,莫志华.提高聚酰亚胺薄膜性能的制造技术研究[J].塑料工业,2015,43(10):113-118.
[8]任小龙,刘庆.计量泵在聚酰亚胺薄膜生产线中的应用研究[J].绝缘材料,2007,40(4):36-38.
[9]富士胶片株式会社.溶液流延设备和溶液流延方法:CN101264650A[P]. 2008-09-17.
[10]富士胶片株式会社.溶液流延方法和设备:CN101284411A[P]. 2008-04-11.
[11]富士胶片株式会社.流延单元,涂料涂覆方法和溶液流延方法:CN101274471A[P]. 2009-05-20.
[12]富士胶片株式会社.溶液流延方法和溶液流延设备:CN101434705A[P]. 2008-11-17.
[13]富士胶片株式会社.溶液流延方法:CN101151133A[P].2008-03-26.
[14]富士胶片株式会社.溶液制膜用流延模头:CN1189302C[P].2005-02-16.
[15]任小龙,刘瑜洁,王林,等.流涎设备对生产聚酰亚胺薄膜质量的影响研究[J].绝缘材料,2009,42(2):59-62.
[16]任小龙,张俊丽,董占林.挤出系统对聚酰亚胺薄膜制造过程的影响[J].绝缘材料,2012,45(5):67-69.