Effect of Current Antioxidants on Thermal Oxidation Stability of PMMA

doi:10.19491/j.issn.1001-9278.2010.10.017

Abstract

Abstract: The effect of antioxidant on thermal oxidation stability of polymethyl methacrylate(PMMA) was systematically studied by thermogravimetric analysis. It was indicated that the addition of antioxidants could effectively improve thermal oxidative stability of PMMA. The initial decomposition temperature and maximum decomposition rate temperature increased linearly with antioxidant loading (up to 3 ‰ ). The main antioxidant BHT was effective for the initial decomposition temperature and the assistant antioxidant DLTDP for the maximum decomposition rate temperature. The optimal weight ratio of the main and assistant antioxidants was 1/2.

Key words: thermal stability, polymethyl methacrylate, antioxidant

CLC Number:

TQ325.7

WEI Changji CAO Chunlei ZHANG Zijian YANG Haidong ZHANG Huixuan. Effect of Current Antioxidants on Thermal Oxidation Stability of PMMA[J]. China Plastics, 2010, 24(10): 81-84 .

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Effect of Current Antioxidants on Thermal Oxidation Stability of PMMA

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