TPU severe moisture absorption hydrolysis

Fenómeno do problema

Water content >0.02% product water marks bubbles mechanical properties sharp decline

Análise das causas

Ester-based hydrogen bonds rapidly combine with water molecules

Solução

80-110C dehumidifying drying 3-4h dew point <-40C water <0.02%

Conclusão principal

TPU drying is the lifeline of processing

TPU drying

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