Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

Metallocene linear low density polyethylene blown film poor transparency（Variant: Strengthened Measures）

A

Poor transparency is caused by high crystallinity or impurities, and needs improvement by increasing temperature, speeding up cooling and selecting suitable materials.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post poor transparencycrystallinitycooling ratenucleating agenthaze

Q

Poor printability of metallocene linear low-density polyethylene film (variant: mass production scenario)

A

Poor printability is caused by low surface energy and needs to be improved by increasing surface tension through corona treatment to improve ink adhesion. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post printabilitysurface energycorona treatmentink adhesionsurface tension

Q

Poor printability of metallocene linear low-density polyethylene film (variant: material or color changeover scenario)

A

Poor printability is caused by low surface energy and needs to be improved by increasing surface tension through corona treatment to improve ink adhesion. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post printabilitysurface energycorona treatmentink adhesionsurface tension

Q

Poor printability of metallocene linear low-density polyethylene film (variant: seasonal change scenario)

A

Poor printability is caused by low surface energy and needs to be improved by increasing surface tension through corona treatment to improve ink adhesion. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post printabilitysurface energycorona treatmentink adhesionsurface tension

Q

Poor printability of metallocene linear low-density polyethylene film (variant: startup commissioning scenario)

A

Poor printability is caused by low surface energy and needs to be improved by increasing surface tension through corona treatment to improve ink adhesion. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post printabilitysurface energycorona treatmentink adhesionsurface tension

Q

Poor printability of metallocene linear low-density polyethylene film (variant: strengthened measures)

A

Poor printability is caused by low surface energy and needs to be improved by increasing surface tension through corona treatment to improve ink adhesion. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post printabilitysurface energycorona treatmentink adhesionsurface tension

Q

Metallocene linear low-density polyethylene MLLDPE high extrusion torque/high energy consumption (variant: mass production scenario)

A

MLLDPE high energy consumption is caused by narrow molecular weight distribution and high melt viscosity and needs to be solved by optimizing screw design, increasing temperature and adding processing aids. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post MLLDPEscrew torquemolecular weight distributionprocessing aidextrusion energy consumption

Q

Metallocene linear low-density polyethylene MLLDPE high extrusion torque/high energy consumption (variant: startup commissioning scenario)

A

MLLDPE high energy consumption is caused by narrow molecular weight distribution and high melt viscosity and needs to be solved by optimizing screw design, increasing temperature and adding processing aids. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post MLLDPEscrew torquemolecular weight distributionprocessing aidextrusion energy consumption

Q

Metallocene linear low-density polyethylene MLLDPE high extrusion torque/high energy consumption (variant: strengthened measures)

A

MLLDPE high energy consumption is caused by narrow molecular weight distribution and high melt viscosity and needs to be solved by optimizing screw design, increasing temperature and adding processing aids. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post MLLDPEscrew torquemolecular weight distributionprocessing aidextrusion energy consumption

Q

Unstable cooling line height of linear low-density polyethylene film

A

Cooling line instability is caused by fluctuations in cooling or extrusion conditions; air ring parameters and environmental conditions need to be stabilized.

Extrusion & Post cooling linefrost lineair ring stabilityextrusion temperatureambient airflow

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