Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Raden Permana Budi Laksana"'
Autor:
Manggar Arum Aristri, Muhammad Adly Rahandi Lubis, Raden Permana Budi Laksana, Rita Kartika Sari, Apri Heri Iswanto, Lubos Kristak, Petar Antov, Antonio Pizzi
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 2413-2427 (2022)
This study aimed to develop bio-based polyurethane (PU) resin derived from tannin for the impregnation process of ramie fibers (Boehmeria nivea L.) and to investigate the mechanical and thermal properties of impregnated fibers. Tannin was extracted f
Externí odkaz:
https://doaj.org/article/0829f4c22e6d4aa29bb70501663f6e5f
Autor:
Fahriya Puspita Sari, Faizatul Falah, Sita Heris Anita, Kharisma Panji Ramadhan, Raden Permana Budi Laksana, Widya Fatriasari, Euis Hermiati
Publikováno v:
International Journal of Renewable Energy Development, Vol 10, Iss 2, Pp 157-169 (2021)
Upscaling of biomass pretreatment from laboratory scale to a bench-scale reactor is one of the important steps in the application of the pretreatment for pilot or commercial scale. This study reports the optimization of pretreatment conditions, namel
Externí odkaz:
https://doaj.org/article/ea15d4ccac6e4ae4b164160ab5751531
Bio-Polyurethane Resins Derived from Liquid Fractions of Lignin for the Modification of Ramie Fibers
Autor:
Manggar Arum Aristri, Muhammad Adly Rahandi Lubis, Raden Permana Budi Laksana, Faizatul Falah, Widya Fatriasari, Maya Ismayati, Asri Peni Wulandari, Nurindah
Publikováno v:
Jurnal Sylva Lestari, Vol 9, Iss 2, Pp 223-238 (2021)
Lignin is a biopolymer from agro-forestry biomass which provides greater prospects for higher added value applications in renewable and sustainable products. In this study, technical lignin from black liquor was used as a pre-polymer for the preparat
Externí odkaz:
https://doaj.org/article/7496d5a1163546f8acef9cd8460917db
Autor:
Manggar Arum Aristri, Rita Kartika Sari, Muhammad Adly Rahandi Lubis, Raden Permana Budi Laksana, Petar Antov, Apri Heri Iswanto, Efri Mardawati, Seng Hua Lee, Viktor Savov, Lubos Kristak, Antonios N. Papadopoulos
Publikováno v:
Polymers, Vol 15, Iss 6, p 1492 (2023)
This study aimed to develop tannin-based non-isocyanate polyurethane (tannin-Bio-NIPU) and tannin-based polyurethane (tannin-Bio-PU) resins for the impregnation of ramie fibers (Boehmeria nivea L.) and investigate their mechanical and thermal propert
Externí odkaz:
https://doaj.org/article/574f0ab57b7249c0b79f380fce5065b3
Autor:
Muhammad Adly Rahandi Lubis, Sumit Yadav Manohar, Raden Permana Budi Laksana, Widya Fatriasari, Maya Ismayati, Faizatul Falah, Nissa Nurfajrin Solihat, Fahriya Puspita Sari, Wahyu Hidayat
Publikováno v:
Jurnal Sylva Lestari, Vol 9, Iss 1, Pp 23-44 (2021)
Medium density fiberboard (MDF) is an engineered wood product that has density and specific gravity similar to solid wood, ranging from 600 to 800 kg/m3 of density and 0.6 to 0.8 of specific gravity. This makes MDF suitable to partially replace solid
Externí odkaz:
https://doaj.org/article/076e9660f358423d9bd3af601dd0a18e
Autor:
Sita Heris Anita, Fenny Clara Ardiati, Kharisma Panji Ramadhan, Raden Permana Budi Laksana, Fahriya Puspita Sari, Oktan Dwi Nurhayat, Dede Heri Yuli Yanto
Publikováno v:
Hayati Journal of Biosciences, Vol 29, Iss 4 (2022)
Taman Eden 100 is one of the tourist parks located in Toba Samosir, North Sumatra, Indonesia that provides a wide range of biodiversity. The objective of this research was to obtain the potential fungal isolate with high laccase activity to decoloriz
Externí odkaz:
https://doaj.org/article/815846eb727341f4a5b1d85b5e3df5ad
Autor:
Widya Fatriasari, Fajar Nur Hamzah, Bagas Ikhasan Pratomo, Triyani Fajriutami, Riksfardini Annisa Ermawar, Faizatul Falah, Raden Permana Budi Laksana, Muhammad Ghozali, Apri Heri Iswanto, Euis Hermiati, Ina Winarni
Publikováno v:
International Journal of Renewable Energy Development, Vol 9, Iss 2, Pp 227-235 (2020)
The present study is aimed at optimizing the synthesis of Amphipilic lignin derivatives (A-LD) from the isolated lignin of A.mangium black liquor (BL), using the one and two step acid isolation method, and commercial lignin (LS) was used as compariso
Externí odkaz:
https://doaj.org/article/6ced78a3230e4a9586e080d4088858f8
Autor:
Euis Hermiati, Maulida Oktaviani, Riksfardini Annisa Ermawar, Raden Permana Budi Laksana, Lutfi Nia Kholida, Ahmad Thontowi, Siti Mardiana, Takashi Watanabe
Publikováno v:
Reaktor, Vol 20, Iss 2, Pp 81-88 (2020)
Sugarcane trash contains significant amount of xylan that could be hydrolysed to xylose. The xylose could be further fermented to produce xylitol, a sugar alcohol that has low calories and does not cause carries of teeth. In this study we optimized t
Externí odkaz:
https://doaj.org/article/ec2c03e3ecdc4ca69a683a47c394a211
Autor:
Sucia Okta Handika, Muhammad Adly Rahandi Lubis, Rita Kartika Sari, Raden Permana Budi Laksana, Petar Antov, Viktor Savov, Milada Gajtanska, Apri Heri Iswanto
Publikováno v:
Materials, Vol 14, Iss 22, p 6850 (2021)
In this study, lignin isolated and fractionated from black liquor was used as a pre-polymer to prepare bio-polyurethane (Bio-PU) resin, and the resin was impregnated into ramie fiber (Boehmeria nivea (L.) Gaudich) to improve its thermal and mechanica
Externí odkaz:
https://doaj.org/article/bfa6d09a983c465bacf0d78ea15f39ee
Autor:
Widya Fatriasari, Euis Hermiati, Raden Permana Budi Laksana, Fahriya Puspita Sari, Muhammad Adly Rahandi Lubis
Publikováno v:
Polymer Bulletin. 79:6745-6757
As a way to develop an alternative wood adhesive to the conventional formaldehyde-based adhesives, this study investigated a formaldehyde-free ambient curable adhesive based on the natural rubber latex (NRL). NRL-based adhesive was prepared by mixing