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技术资料

ANS013 Thermal stability of Polyethylene by TGA

Thermal stability is the ability of a polymeric material to resist the action of heat and to maintain its properties.  For instance, the processing conditions of a polymer (e.g. injection molding temperature) need to be compared  with its decomposition temperature in order to avoid changing the polymer characteristics during its processing.  Thermogravimetric analysis (TGA) is primarily used to determine polymers thermal stability as it measures the  temperature at which a mass loss of the material is detected, that is to say at which the decomposition of the  material starts.

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