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Poor thermal stability of styrene-butadiene copolymer during processing

Thermal stability needs to be addressed from antioxidants and temperature control

Processing Machinery thermal stabilityantioxidantdegradationtemperature

Weather resistance of modified styrene-butadiene copolymer not meeting standards

Weather resistance needs to be addressed from UV absorbers and antioxidants

Material Analysis weather resistanceultravioletantioxidantyellowing

Unstable hardness of SBC soft products

SBC hardness requires stable ratio and processing conditions

Material Analysis SBChardness fluctuationratiooil extension

Unsatisfactory toughening effect of modified styrene-butadiene copolymer

Material Analysis tougheningimpact strengthcompatibilitydispersion

Static electricity problems on the surface of styrene-acrylonitrile copolymer products

Static electricity problems are caused by the high insulation of the material.

Molding Process static electricityantistatic agentvolume resistanceambient humiditysurface treatment

Insufficient welding/bonding strength of styrene-acrylonitrile copolymer products

Welding strength is determined by melt fusion quality.

Material Drying welding strengthwelding temperaturewelding pressuresurface cleanlinessmelt fusion

Narrow processing temperature window of styrene-acrylonitrile copolymer MSAN

The narrow MSAN processing temperature window requires precise temperature control.

Processing Machinery temperature windowMSANtemperature control accuracyscrew speedthermal stability

Quality fluctuation caused by regrind use in styrene-acrylonitrile copolymer

Regrind use requires controlling proportion and times; category management is key.

Material Analysis regrindquality fluctuationmolecular weight declineregrind proportioncategory management

Cracking caused by internal stress in styrene-acrylonitrile copolymer products

Injection Molding internal stressstress crackinginjection speedmold temperatureuniform wall thickness

Transparency decline/yellowing of styrene-acrylonitrile copolymer SAN/AS products

SAN transparency decline is caused by thermal degradation or micro-bubbles.

Material Drying transparencyyellowingSANthermal degradationraw '2079851475616104451

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