Processing Machinery
5 مشاهدة
PBAT blending with starch
ظاهرة المشكلة
Processing and performance problems of the PBAT/starch blend system, poor starch dispersion and water resistance.
تحليل الأسباب
Difference between starch hydrophilicity and PBAT hydrophobicity; uneven starch dispersion; water resistance decreases; starch degrades at processing temperature; insufficient compatibilizer.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
الحل
①Starch surface modification; ②compatibilizer addition; ③processing temperature control; ④water-resistant additives; ⑤dispersion process optimization.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
Compatibility is the technical difficulty of PBAT/starch blending; modification and additives are the solution; temperature management prevents degradation.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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