Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Q

Spontaneous Elongation and Uneven Crimping of POY Fibers After Weeks of Storage

A

This problem is a typical manifestation of spontaneous elongation and uneven crimping of POY fibers after weeks of storage in melt spinning. The core of the solution lies in the precise stability of spinning temperature, high-precision control of metering supply, and optimized maintenance of the ...

Extrusion & Post spontaneous elongation and uneven crimping of POY fibers after weeks of storage

Q

High-temperature Air Corrosion of Nozzles in Melt-blown Nonwoven Spinning

A

This problem is a typical manifestation of high-temperature air corrosion of nozzles in melt-blown nonwoven spinning in melt spinning. The core of the solution lies in the precise stability of spinning temperature, high-precision control of metering supply, and optimized maintenance of the spinne...

Extrusion & Post high-temperature air corrosion of nozzles in melt-blown nonwoven spinning

Q

Full-dull Fibers Excessively Wearing Yarn Guide Metal Parts and Other Ceramic Parts

A

This problem is a typical manifestation of full-dull fibers excessively wearing yarn guide metal parts and other ceramic parts in melt spinning. The core of the solution lies in the precise stability of spinning temperature, high-precision control of metering supply, and optimized maintenance of ...

Extrusion & Post full-dull fibers excessively wearing yarn guide metal parts and other ceramic parts

Q

Subcutaneous Pinholing of PET Industrial Yarn Due to Insufficient Local Heat Resistance

A

The essence of pinholes and missed coating is that the coating fluid fails to form a continuous and complete covering film. The solution approach is "degassing + thickening + clean surface": degas the coating fluid to eliminate bubble sources, appropriately increase the coating amount to ensure t...

Extrusion & Post pinholes and missed coatingcoating fluid degassingsubstrate surface treatmentcoating head blockagecoating amount

Q

Blue Color Change of Fibers on Heat Setting Rolls (Optical Layer Thickness Interference)

A

This problem is a typical manifestation of blue color change of fibers on heat setting rolls (optical layer thickness interference) in melt spinning. The core of the solution lies in the precise stability of spinning temperature, high-precision control of metering supply, and optimized maintenanc...

Extrusion & Post heat setting temperaturetemperature calibrationresidence timeshrinkage controlline speed matching

Q

Mango Juice Effect in the Melt Delivery Pipeline (mazelike surge)

A

This problem is a typical manifestation of "mango juice" effect in the melt delivery pipeline (mazelike surge) in melt spinning. The core of the solution lies in the precise stability of spinning temperature, high-precision control of metering supply, and optimized maintenance of the spinneret/co...

Extrusion & Post mango juice effect in the melt delivery pipeline (mazelike surge)

Q

Spinneret Capillary Rupture of Ultra-fine Fibers (Monofilament Fineness <0.3 dtex)

A

The essence of spinneret blockage is that impurity particles or degraded gel in the melt block the tiny spinneret hole entrances. The core of the solution is "cleanliness + filtration + regular cleaning": strengthen chip purity control to reduce impurity sources, use pre-filters (sintered metal f...

Extrusion & Post spinneret blockagegel particlespre-filtrationtriethylene glycol cleaningcomponent maintenance

Q

Local Boiling Instability of the Biphenyl-Biphenyl Ether System in the Spinning Manifold

A

This problem is a typical manifestation of local boiling instability of the biphenyl-biphenyl ether system in the spinning manifold in melt spinning. The core of the solution lies in the precise stability of spinning temperature, high-precision control of metering supply, and optimized maintenanc...

Extrusion & Post local boiling instability of the biphenyl-biphenyl ether system in the spinning manifold

Q

Resin Decomposition Causing Haze During Plasma-enhanced Chemical Vapor Deposition (PECVD) Coating

A

This problem is a typical manifestation of resin decomposition causing haze during plasma-enhanced chemical vapor deposition (PECVD) coating in coating. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating fluid, and preci...

Extrusion & Post resin decomposition causing haze during plasma-enhanced chemical vapor deposition (PECVD) coating

Q

Conductivity of Conductive Coatings Fluctuates Greatly with Humidity

A

This problem is a typical manifestation of conductivity of conductive coatings fluctuating greatly with humidity in coating. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating fluid, and precisely controlling the curing ...

Extrusion & Post conductivity of conductive coatings fluctuates greatly with humidity

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