Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

PBAT blending with starch

A

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

Processing Machinery PBAT; starch; blending; compatibility; dispersion; water resistance

Q

PBAT composting conditions not met

A

The condition dependence of PBAT composting degradation must be clear; thickness is an important variable; labeling guidance avoids misuse.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PBAT; composting; degradation; conditions; thickness; certification

Q

PBAT biodegradation rate

A

The controllability of PBAT degradation rate is the key to application; crystallinity and formulation are the main variables; test verification ensures compliance.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PBAT; degradation rate; crystallinity; environment; thickness; test

Q

PBAT degradation yellowing

A

Heat management and stabilization are equally important for PBAT yellowing; antioxidant is a necessary formulation component; storage conditions affect service life.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PBAT; degradation; yellowing; thermal-oxidative; antioxidant; stabilization

Q

PBAT '2079851475616104452 flash

A

Clamping and mold are the hardware factors of PBAT flash; process optimization is the software adjustment; regular inspection prevents gradual change.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Injection Molding PBAT; '2079851475616104452; flash; clamping; parting line; wear

Q

PBAT '2079851475616104452 mold sticking

A

PBAT mold sticking surface characteristics require mold and process cooperation; polishing and draft angle are the foundation; balanced ejection prevents deformation.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Injection Molding PBAT; '2079851475616104452; mold sticking; demolding; polishing; ejection

Q

PBAT '2079851475616104452 warpage

A

Cooling uniformity is the core of PBAT warpage; holding pressure and structure are equally important; annealing is a post-treatment option.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Injection Molding PBAT; '2079851475616104452; warpage; crystallization; holding pressure; cooling

Q

PBAT '2079851475616104452 insufficient filling

A

Temperature, pressure and speed are the routine adjustments for PBAT '2079851475616104452 short shot; gate design is the structural guarantee; grade selection matches the application.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recur...

Injection Molding PBAT; '2079851475616104452; short shot; flowability; temperature; gate

Q

PBAT '2079851475616104452 silver streaks and bubbles

A

Drying and temperature are the main causes of gas defects in PBAT '2079851475616104452; segmented injection is the standard anti-air-trap technology; venting design cannot be omitted.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recur...

Material Drying PBAT; '2079851475616104452; silver streak; bubble; drying; temperature

Q

PBAT melt index too low and processing difficult

A

Temperature and shear adjustment are the main means for PBAT melt index too low; lubricant is auxiliary; grade selection is fundamental.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post PBAT; melt index; too low; plasticization; shear; lubricant

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