Material Analysis
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MP Hydrolytic Aging
Fenómeno do problema
Mechanical properties of MP products decrease >25% in hot and humid environments
Análise das causas
MP contains polar groups that hydrolyze and break chains under hot and humid conditions; ester bonds/amide bonds etc. are sensitive to water
Solução
1) Select grades with low polar group content to reduce hydrolysis tendency; 2) Add anti-hydrolysis stabilizers; 3) Coat the product surface with a waterproof layer
Conclusão principal
Hydrolytic aging is caused by the water sensitivity of polar groups; selecting low-polarity grades is key
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