Comparison of functional properties of three different types of TPVs forlong-term application

  • سال انتشار: 1403
  • محل انتشار: شانزدهمین سمینار بین المللی علوم و تکنولوژی پلیمر (ISPST ۲۰۲۴)
  • کد COI اختصاصی: ISPST16_624
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 80
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نویسندگان

Mehri Dana

Department of Polymer & Materials Chemistry, Faculty of Chemistry and Petroleum Science, Shahid BeheshtiUniversity, GC, ۱۹۸۳۹۶۹۴۱۱Tehran, Iran.۲Department of Materials Engineering, Pouya Gostar Khorasan Co. of Part Lastic Group, Mashhad, Iran.

Saeid Asadi Shahidi

Department of Materials Engineering, Pouya Gostar Khorasan Co. of Part Lastic Group, Mashhad, Iran.

Hasan Salahi

Department of Materials Engineering, Pouya Gostar Khorasan Co. of Part Lastic Group, Mashhad, Iran.

Soheil Yazdanbakhsh

Department of Materials Engineering, Pouya Gostar Khorasan Co. of Part Lastic Group, Mashhad, Iran.

Gholam Hossein Zohuri

Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran.

Mohammad Reza Nabid

Department of Polymer & Materials Chemistry, Faculty of Chemistry and Petroleum Science, Shahid BeheshtiUniversity, GC, ۱۹۸۳۹۶۹۴۱۱Tehran, Iran.

چکیده

The present study compared functional properties of Thermoplastic vulcanizates (TPVs) based onhigh molecular weight hydrogenated styrenic block copolymer (SEBS)/polypropylene (PP) with twotypes conventional TPVs containing ethylene propylene diene monomer (EPDM)/ polypropylene(PP) and polyolefin elastomer (POE)/PP. All of the TPVs were produced via an industrial scale twin -screw extruder.TPV based on POE/PP has the highest tensile strength (۱۰.۴ MPa). The tensilestrength of the EPDM/PP and POE/PP was ۷.۴ and ۶.۴ MPa, respectively. Naturally, the POE/PP hasthe lowest value of elongation at break (۱۹۸ %). TPV based on EPDM/PP has the lowest of melt flowindex (MFI) (۱۹۰ °C, ۱۰ kg, ۰.۸ g/۱۰min). Heat aging was studies (۸۵ °C for ۱۶۸ h) on all TPVsreviled that tensile strength due to aging TPV base on the SEBS/PP had the highest amount (۱۰%),the TPV based on the EPDM/PP (۴%) and the TPV based on the POE/PP (- ۰.۶ %). Aging study,however, was not affected on hardness of the all three types of the prepared TPV. The compressionset (۷۰ °C and ۲۲ h) of the TPV based on the EPDM/PP had the lowest value (۳۳%). The compressionset of the TPV based on the PP/POE and the TPV based on the SEBS/PP was the value of ۵۲% and۳۶%, respectively. The TPV based on the POE/PP has the highest hardness (۸۹ shore A). The othertwo types have almost the same hardness (۷۵ shore A).

کلیدواژه ها

SEBS/PP, EPDM/PP, POE/PP, mechanical properties.

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