Material Analysis 17 visualizações

White spot problem of anti-blocking masterbatch in CPP film

Fenómeno do problema

After adding 1-5% anti-blocking masterbatch, white spots appear in the CPP film.

Análise das causas

Caused by improper refractive index of the anti-blocking agent.

Solução

Combine with a slip agent.

Conclusão principal

The core of anti-blocking masterbatch is the balance between dispersion and transparency.

anti-blocking masterbatchwhite spotsCPPSiO₂transparency

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