Compatibility Effect of Reactive Copolymers on the Morphology, Rheology, and Mechanical Properties of Recycled Poly(ethylene terephthalate)/Polypropylene Blends

Xin Tu Lin; Qing Rong Qian; Li Ren Xiao; Qiao Ling Huang; Li Zeng; Qing Hua Chen; Hua Ji Zhang

doi:10.4028/www.scientific.net/AMR.893.254

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 893Compatibility Effect of Reactive Copolymers on the...

Compatibility Effect of Reactive Copolymers on the Morphology, Rheology, and Mechanical Properties of Recycled Poly(ethylene terephthalate)/Polypropylene Blends

Abstract:

Glycidyl methacrylate (GMA) grafted ethyleneoctene multi-block copolymer (OBC) in the presence of the styrene (St) monomer (OBC-g-(GMA-co-St)) was prepared and then used as a compatibilizer for recycled Poly (ethylene terephthalate)/Polypropylene (R-PET/PP) blends. The morphological, rheological and mechanical properties of the blends were investigated. The results show that the compatibilization between R-PET and PP blends is improved by the introduction of OBC-g-(GMA-co-St). The SEM results show that all R-PET/PP blends exhibit a matrix-dispersed droplet type morphology, and the addition of OBC-g-(GMA-co-St) results in a finer morphology and better adhension between the phases. In addition, the storage moduli (G'), loss moduli (G") and the Charpy impact strength of the blends increase with increasing OBC-g-(GMA-co-St) content, while the the flexural strength decreases slightly.

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Periodical:

Advanced Materials Research (Volume 893)

Pages:

254-258

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.893.254

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Online since:

February 2014

Authors:

Xin Tu Lin, Qing Rong Qian, Li Ren Xiao, Qiao Ling Huang, Li Zeng, Qing Hua Chen, Hua Ji Zhang*

Keywords:

Morpholoy, Polypropylene (PP), Reactive Compatibilizer, Recycled Poly(ethylene terephthalate), Rheology

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