Rheological and Thermal Properties of Blends of Recycled LDPE and Virgin LDPE

Xue Yan Zhao; Xue Gang Luo; Xiao Yan Lin; Xiao Qi

doi:10.4028/www.scientific.net/AMR.734-737.2501

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 734-737Rheological and Thermal Properties of Blends of...

Rheological and Thermal Properties of Blends of Recycled LDPE and Virgin LDPE

Abstract:

Blends of recycled LDPE and LDPE were prepared by the twin-screw extruder at different ratios. Recycled LDPE was used as matrix in this work, LDPE was used to improve the properties of RLDPE. Thermal and rheological properties of the blends were carefully evaluated and compared with pure LDPE. DSC measurements indicates that the RLDPE/LDPE blends are miscible in the crystalline phase and LDPE can increase the crystallization of the blends. Rheological analysis shows that virgin LDPE will promote the normal flow of RLDPE and improve the mobility of chain segments in flow. Consequently, the rheological and processing properties of the blends have improved compared to RLDPE. The blends show potential applications in high-value products.