Effects of 60Co-Irradiation on Tensile Properties of Polyimide Based on 2,2-Bis(3-amino-4-hydroxyphenyl)hexafluoropropane

Yan Hong Zheng; Yu Zhai; Jian Mei Guo; Hong Yan Yu; Lian Cai Wang; Xin Miao Zeng

doi:10.4028/www.scientific.net/AMR.554-556.323

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 554-556Effects of 60Co-Irradiation on Tensile Properties...

Effects of ⁶⁰Co-Irradiation on Tensile Properties of Polyimide Based on 2,2-Bis(3-amino-4-hydroxyphenyl)hexafluoropropane

Abstract:

Radiation effects on polyimide (PI) films were studied with different irradiation doses by 60Co. The PI film were synthesized from 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane (Bis-AP-AF) with 3,3',4,4'-Benzophenone tetracarboxylic dianhydride (BTDA). The tensile strength, tensile modulus and elongation at break of the irradiation PI films were measured and compared in order to determine the effect of the irradiation doses on the tensile properties. The results showed that the tensile strength, tensile modulus and elongation at break of the irradiation PI film can be significantly improved by irradiation of 60Co source. The optimum irradiation doses were 50 kGy. The maximum increment of tensile strength, tensile modulus and elongation at break of the irradiation PI film is 37.8%, 45.0% and 95.2%, respectively.