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Journal : Jurnal Polimesin

Study of Improved Crack Toughness of Unsaturated Polymers with Rice Husk Fiber and Sago Flour as Strengthening Materials Nusyirwan, Nusyirwan; Hizhar, Yul; Malik, Adam
Jurnal Polimesin Vol 21, No 5 (2023): October
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i5.3375

Abstract

The development of environmentally friendly composites from natural fibers is an absolute thing to do to replace non-degradable synthetic composites. Some of the weaknesses of natural fiber composites are low mechanical strength, ease of cracking, no moisture resistance, and high-temperature resistance. One of the things that has been done is to make a combination of synthetic materials as a matrix derived from unsaturated polyester reinforced with natural fibers from crushed rice husk particles and starch from sago flour which is used to reduce the percentage of synthetic materials to be able to form composites that are easily decomposed. From the research, it was found that the strength of crack resistance could be increased with a mixture of polyester reinforced with rice husk fiber and sago flour, obtaining an increase in crack resistance strength until the addition of rice husk with a percentage of 15%. While increasing the RH content above 15%, the crack strength value decreases due to the saturation of the RH molecules in the UP which is no longer bound to the UP molecules. The highest crack strength values occurred for the addition of the percentage of RH and SS to the UP material with the addition of 5% SS, which obtained a cracking force of 550 N while the strength of pure polyester was only 37 N. This shows that RH and SS materials can bond with UP molecules and some molecules of RH and SS can prevent cross-linking of polyester molecules. Meanwhile, the addition of SS up to 10% decreases the fracture force obtained, indicating that not all of the sago starch can bind to the polyester molecules.
Co-Authors Aan Hasanah Abdul Rahman Abdul Rauf Abu Apas, Abu Hanifah Achmad Samsudin Ade Yeti Nuryantini Adeng Muchtar Ghazali Adeng Muchtar Ghazali Aditya, Dinaldhi Aditya, Dinaldhi Muhammad Afifah, Gina Agnia, Dini Agustin, Alfan Raihan Agustina, Tri Wahyu Ahsanur Rifqi Ahyar Ahyar Akbarjono, Ali Akhbar Al-Hanafi, Muhammad Algi Andi Rohendi Nugraha Anisha, Listha Anugrah, Dea Rizky Anwar, Wafiq Fadhilah Aprillya, SonjaWidya Arief Sudhartono Arman Maiwa Asa, Syukur Ashabul Jannah, Amila Aulia Alifa, Zahra Aulia, Rini Shoffa Ayu Febrianti, Dilla Ayu Wandira Ayuna, Nadia Ayuwistira, Siti Aisyah Azmar, Azmar Bambang Irawan Batubara, Nadia Chairy Berutu, Syanti Laura Budiman, Singgih Panita Budiman Cahya, Afrilia Dwi Cariki, Cariki Chairunnisa Chairunnisa Chusni , Muhammad Minan D. Mulhayatiah Dedi Kuntadi Desinta, Trissanggrah Nirmala Dewi Salsabila, Luthfiah Dewi, Anggun Kurnia Diah Mulhayatiah Diah Rahmawati El Rachman, Rifelda Fanka Endah Kurnia Y Ernita Susanti Fadhilah, Janatun Fahrurrozi, Akmal Faturahman, Faturahman Fauziah, Saufa Ulya Fitri, Raya Idul Fitria, Yanti Fitriani Fitriani Fitriani Fitriani Fitriwati, Diana Fuadah, Aufa Samrotul Golar Golar Gunawan, Anisa Mutmainah Hafidudin, Ahmad Hafizh, Rafi Maulana Abdul Hakam Sepudin, Rafli Hamka Hamzari Hamzari Hanifah, Rifda Arifa Hasanah, Ayuning Nur Hasniah Aliah Hasriani Muis Hendra Pribadi Heryawan, Muhammad Agum Hidayah, Pikiyatul Hijar, Yul Hilma Indayanti, Aneu Nandya Insani, Salwa Mulya Isnaini, Nurul Azizatul Izzatulhaq, Azmi Aziz Janna, Amila Ashabul Juliani, Tia Khoir, Fikri Abdul Konit Istiqomah, Ikmal Krisnamurti, Reza Mahendra kuntadi, Dedi Kusuma Wardani, Ayu Latifah, Ayi Lesmana, Elkis Tri Lestari, Aprilia Dwi Lestari, Wulan Lubis, Hilda Zahra Mahmudah, Ifa Rifatul Makiyah, Yanti Sofi Maulani Hindasah, Denia Millah, Roprop Latiefatul muflihah muflihah Muflihah Muflihah Mugiri, Widiastuti Ledgeriani Muhammad Ali Muhammad Minan Chusni Muhammad Zalnur Mujib Ubaidillah Mukhlis Muntahaa Karmini, Sya’iidah Musyayaroh, Nawallaili Mutia, azrisa Mutiara, Diana Vijar Nabila, Ghina Naharuddin Naharuddin Nasrudin, Dindin Naswa Nurhaliza, Ulfi Nisa, Wifa Alifatun Nugraha, Andi Rohendi Nugraha, Rahmat Ramdan Nugroho, Dinar Ade Nur Edy Nur Rosyidah, Anis Nuraeni, Yani Nurdin Nurdiyanto Nurdiyanto Nurdiyanto Nurdiyanto, Nurdiyanto Nurullah, Muhammad Nusyirwan Nusyirwan Polem, Muhammad Pramadiana, Seva Priatna, Rapi Putri, Fuzi Nurfauzia Sugiharto Putri, Havita Santana putri, Meissy Nuraini qurro taayun, hanifah Rachman, Muhammad Ziddan Rahayu Kariadinata Rahayu Kariadinata Rahma, Aida Fauziah Rahmat, Yadi Rahmawati, Amalia Darozatun Ramdani Wahyu Sururie Rehani Rena Denya Agustina Rifelda Fanka El Rachman Rochman, Chaerul Rochman, Choirul Rofi'ah Al-Zahro, Rd Indah Rohana, Rahma Aulia Rosyida, Nadya Ilma Rustiani, Eka Astria S. Nurhasanah Saepudin, Rafli Hakam SAFITRI, SANI Salsabila, Luthfiah Dewi Sani Safitri Saoqibillah, Lutfi Sari, Vita Alam Setiawan, Yusuf Silmiah, Nadia Nuri Singgih, Singgih Panita Budiman Sipayanti, Sipayanti Siti Robiatus S Siti Zakiah Annasir Darajat Sofa, Geitsha Kirana Sohibah, Siti Sri Prihatini Subastian, Halil Sudirman Daeng Massiri Susanti, Seni Suseno, Raihan Nazrey Sutarno Sutarno Sutarno Sutarno Syafaah, Firda Syafaatunnisa, Shopiah Syarifudin, Ahmad Tanjung, Sapna Tia Juliani Tri Cahyanto Tuti Haryanti, Tuti Uswatun Khasanah Utami Pemuji Lestari Vitriani Vitriani Warsih, Dewinta Wati Susilawati, Wati Widayana, Sela Putri Widiastuti Ledgeriani Mugiri Widya, Dinna Wulandari, Reksahati Yani Nuraeni YANTO YANTO Yeni Novita Yul Hizhar Yulia Sukmawardani, Yulia Yuliani Yuliani Yuningsih, Endah Kurnia Zakwandi, Rizki Ziddan Rachman, Muhammad