Automotive Plastics Process Control Case Study
Automotive polymer characterization and process control
Industry challenge: Supporting quality control for automotive dashboard materials.
Polyscope styrene maleic anhydride copolymer products are found in various applications. One of these applications is the use in car dashboards. The material gives it the required looks, but also the needed properties to guarantee safety under all conditions. Many OEMs have released XIRAN® SMA as their key material for the critical structural car parts.
Intertek supported Polyscope by testing new materials against national and international OEM specific standards, pilot plant injection moulding, and material identification to optimize processes and products.
Intertek solved a case of piping contamination from a compounding process. Contamination identification came from expert use of FTIR (Attenuated Total Reflection). Results showed mainly organic materials, consisting of ABS and wax, rather than SMA.
Quality control on polydispersity measured (Mw/Mn) of SMA, using GPCRI.(example PD 2.52 (Mw 158241 A/Mn 62842 A)
Intertek services delivered to Polyscope includes 24hr-service quality control for a wide range of materials analysis:
- Monomers, oligomers and rest solvents, using GC-FID
- Viscosity, acidity, opacity, yellowness, and water content
- Specific tests support during development of new product-types
- Physical characterization of SMA and compounds, using a variety of laboratory testing techniques including Charpy, IZOD, Tensile, HDT, Vicat, MFI, VEM, Density, DSC and more.
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