MINI REVIEW HIDROGENASI KARET ALAM
DOI:
https://doi.org/10.22302/ppk.wp.v41i1.868Keywords:
karet alam, hidrogenasi , derajat hidrogenasi, ketahanan terhadap lingkunganAbstract
Karet alam merupakan komoditas penting yang berperan sebagai bahan baku untuk berbagai aplikasi yang membutuhkan kekuatan tarik yang tinggi, fleksibilitas, daya rekat, ketahanan terhadap suhu rendah, ketahanan kikis, dan ketahanan terhadap air. Namun karet alam murni mempunyai kelemahan karena mengandung ikatan rangkap dua (C=C) yang menjadikan karet alam mempunyai ketahanan yang kurang baik terhadap oksidasi, panas, ozon dan lingkungan. Modifikasi karet alam berpotensi untuk menanggulangi masalah tersebut. Hidrogenasi merupakan modifikasi kimia untuk mengurangi ikatan rangkap dua tersebut yang dapat dilakukan dengan penambahan hidrogen. Proses hidrogenasi dilakukan dengan menggunakan katalis dan dapat dilakukan dengan donor hidrogen yaitu senyawa diimida pada kondisi yang relatif ramah. Keberhasilan hidrogenasi diukur dengan derajat hidrogenasi melalui beberapa metode. Dari penelusuran yang dilakukan, karet alam terhidrogenasi mempunyai prospek yang baik untuk diterapkan, namun hingga saat ini belum ada industrialisasi yang masif dalam memproduksinya.
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