首页> 外文会议>Symposium on Oxidative Behavior of Materials by Thermal Analytical Techniques held in New Orleans, Louisiana, on 21-22 Nov. 1996 >Evaluation of the oxidation beavior of polyethylene geomembranes using oxidative induction time tests
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Evaluation of the oxidation beavior of polyethylene geomembranes using oxidative induction time tests

机译:使用氧化诱导时间测试评估聚乙烯土工膜的氧化行为

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The oxidation of five different high density polyethylene (HDPE) geomembranes was produced in a forced air oven at a temperature of 115 deg C. The antioxidant packages of three of the geomebranes contained hindered phenols and phosphites types of antioxidants. The antioxidant packages of the other two geomembranes consisted of either thiosynergists or hindered amines together with hindered phenols and phsphites. The consumption of antioxidants after given time poriods of oven incubation was monitored by two oxidative induction time (OIT) tests: standard OIT and high pressure OIT together with tensile tests.
机译:五个不同的高密度聚乙烯(HDPE)土工膜在强制通风炉中于115摄氏度的温度下进行氧化。三个土工膜的抗氧化剂组合物中含有受阻酚和亚磷酸酯类抗氧化剂。其他两个土工膜的抗氧化剂包由硫代增效剂或受阻胺以及受阻酚和亚硫酸盐组成。在烤箱保温一定时间后,抗氧化剂的消耗量通过两种氧化诱导时间(OIT)测试进行监测:标准OIT和高压OIT以及拉伸测试。

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