Processing Machinery
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PBAT antioxidant addition
Problem Phenomenon
PBAT antioxidant insufficient or excessive, balancing thermal-oxidative aging protection and cost.
Cause Analysis
PBAT thermal-oxidative aging requires antioxidant; type (hindered phenol, phosphite, etc.) selection; addition amount; synergistic effect; cost consideration.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
①Antioxidant type combination; ②optimize addition amount; ③utilize synergistic effect; ④aging test verification.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PBAT antioxidant is a necessary stabilization component; combination and synergy are the technology; testing verifies the effect.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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