EPR Application to Polymers: Radiation Induced Crosslinking and Graft Polymerization

Seguchi, Tadao

doi:10.1007/978-3-319-09216-4_10

Cited by 1 publication

(2 citation statements)

References 48 publications

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“…13 Moreover, the stability of free radicals in the polymer systems is also dependent on the temperature post-irradiation. 17 This study investigated the compatibility of PET/LLDPE blends by post-irradiated PET pellets (containing free radicals), followed by compounding with LLDPE using a twinscrew extruder for performing reactive extrusion process. Gamma irradiation was conducted at different absorbance doses on PET, and then the compatibility of post-irradiated PET at different volume fractions with LLDPE was analyzed.…”

Section: Introductionmentioning

confidence: 99%

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Reactive extrusion of post‐irradiated poly(ethylene terephthalate) to improve the interfacial interactions in compounding with its immiscible polyethylene blends

Jamalzadeh,

Sobkowicz

2024

Polymer Engineering & Sci

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The aggregation of plastic waste results in immiscible polymer blends with inferior properties. This study explores the application of irradiation technology on polymer processing for its potential to increase the compatibility of immiscible polymer blends composed of poly(ethylene terephthalate) (PET) and linear low‐density polyethylene (LLDPE). When PET is radiated, it undergoes chain‐scission reactions resulting in the formation of free radicals. The extended lifespan of these free radicals in post‐irradiated PET provides an opportunity for inducing interface reactions with LLDPE during compounding through reactive extrusion. PET was irradiated with up to 50 and 200 kGy irradiation absorbance doses of gamma irradiation and then compounded with LLDPE in a twin‐screw extruder at three blend compositions. Analysis of rheological, morphological, and mechanical properties demonstrates the compatibility improvement in this immiscible polymer blend attributed to irradiation‐induced free radical interface reactions using post‐irradiated PET up to 50 kGy to conduct the reactive extrusion process.Highlights Reactive extrusion process with post‐irradiated PET. Formation of interface reactions. Improving the compatibility of immiscible polymer blend.

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Section: Introductionmentioning

confidence: 99%

“…Although PET is resistant to irradiation due to its benzene rings, it can still undergo structural modification as well as induce free radical interface reactions in compounding with other polymer materials 13 . Moreover, the stability of free radicals in the polymer systems is also dependent on the temperature post‐irradiation 17 …”

Section: Introductionmentioning

confidence: 99%

Reactive extrusion of post‐irradiated poly(ethylene terephthalate) to improve the interfacial interactions in compounding with its immiscible polyethylene blends

Jamalzadeh,

Sobkowicz

2024

Polymer Engineering & Sci

View full text Add to dashboard Cite

show abstract

EPR Application to Polymers: Radiation Induced Crosslinking and Graft Polymerization

Cited by 1 publication

References 48 publications

Reactive extrusion of post‐irradiated poly(ethylene terephthalate) to improve the interfacial interactions in compounding with its immiscible polyethylene blends

Reactive extrusion of post‐irradiated poly(ethylene terephthalate) to improve the interfacial interactions in compounding with its immiscible polyethylene blends

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