PENGGUNAAN KOMPATIBILISER KARET ALAM EPOKSIDASI (ENR) PADA KOMPON TELAPAK BAN RAMAH LINGKUNGAN
DOI:
https://doi.org/10.22302/ppk.jpk.v42i1.890Keywords:
telapak ban, ban ECO, formulasi, silika, kompatibiliser, karet alam epoksiAbstract
Formulasi kompon telapak ban perlu dilakukan untuk mengoptimalkan kinerja ban ramah lingkungan (ban ECO). Formulasi telapak ban dilakukan pada karet non-polar berbahan pengisi silika dengan dan atau tanpa menggunakan kompatibiliser karet alam terepoksidasi (ENR). Penggunaan kompatibiliser ENR pada telapak ban ECO mampu meningkatkan dispersi bahan pengisi, yang ditandai dengan menurunnya nilai payne effect kompon B. Dispersi bahan pengisi yang baik lebih lanjut dapat meningkatkan interaksi fisik antar bahan pengisi dan bahan pengisi karet, karakteristik pematangan, kuat tarik, ketahanan kikis, dan cengkraman basah vulkanisat telapak ban ECO. Namun, sedikit menurukan interaksi kimia bahan pengisi-karet sehingga menurunkan apparent crosslink density kekerasan, young modulus, perpanjangan putus, dan ketahanan sobek dan meningkatkan ketahanan gelinding vulkanisat telapak ban ECO B. Maka formula kompon B perlu ditingkatkan untuk meningkatkan sifat mekanik vulkanisat dan efesiensi bahan bakar kendaraan.
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