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Investigation of tensile properties and tear resistance of polypropylene film modified by irradiation

机译:辐照改性聚丙烯薄膜的拉伸性能和抗撕裂性研究

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摘要

Results of investigation of rupture strength, ultimate elongation, and tear resistance of a flat polypropylene film oriented biaxially and modified with use of the electron radiation are presented. It was found that the rupture strength and ultimate elongation of the sample under study dropped to values several times lower when the radiation dose increased from 25 to 500 kGy. At the same time, tear resitance of the sample decreased very quickly, what disqualifies the film as a wrapping material.
机译:给出了对双轴取向并利用电子辐射改性的扁平聚丙烯膜的断裂强度,极限伸长率和抗撕裂性的研究结果。发现当辐射剂量从25 kGy增加到500 kGy时,被研究样品的断裂强度和极限伸长率降低了几倍。同时,样品的抗撕裂性非常快地降低,这使得该膜不能作为包装材料。

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