Processing Machinery
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PBAT odor problem
Problem Phenomenon
Residual odor in PBAT products, generated from raw materials or processing, limiting food contact applications.
Cause Analysis
PBAT raw material residual monomers or additives; processing degradation products; storage environment adsorption; food contact regulations; sensory testing.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
①Raw material purity selection; ②optimize processing temperature; ③storage environment management; ④food-grade grades; ⑤odor testing.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PBAT odor is a key indicator for food applications; raw material and process control; testing verifies compliance.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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