Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Eni Sugiarti"'
Autor:
Dieter Rahmadiawan, Shih-Chen Shi, Hairul Abral, Mohammad Khalid Ilham, Eni Sugiarti, Ahmad Novi Muslimin, R.A Ilyas, Remon Lapisa, Nandy Setiadi Djaya Putra
Publikováno v:
Journal of Natural Fibers, Vol 21, Iss 1 (2024)
ABSTRACTThe preparation method of cellulose films plays a vital role in their properties. This work aims to characterize 2, 2, 6, 6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized bacterial cellulose powder (TOBCP) films prepared with three different m
Externí odkaz:
https://doaj.org/article/1698b3fc91404203be5765f9c8bad0ee
Autor:
Dieter Rahmadiawan, Hairul Abral, Ilham Chayri Iby, Hyun-Joong Kim, Kwang-Hyun Ryu, Ho-Wook Kwack, Muhammad Razan Railis, Eni Sugiarti, Ahmad Novi Muslimin, Dian Handayani, Khiky Dwinatrana, Shih-Chen Shi, Rahadian Zainul, Rahmat Azis Nabawi
Publikováno v:
Heliyon, Vol 10, Iss 10, Pp e30748- (2024)
The physical and mechanical properties of biopolymers can be improved by heating technologies. In this research, we improved the properties of Polyvinyl alcohol (PVA)/Uncaria gambir extract (UGE) blend films by post-heating method. After post-heating
Externí odkaz:
https://doaj.org/article/53d43aa657004932b52ec0980273f9c4
Autor:
Dieter Rahmadiawan, Hairul Abral, Mohammad Khalid Ilham, Poppy Puspitasari, Rahmat Azis Nabawi, Shih-Chen Shi, Eni Sugiarti, Ahmad Novi Muslimin, Devi Chandra, R.A. Ilyas, Rahadian Zainul
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 5566-5575 (2023)
The production of UV-resistant films from biomaterials is currently an active field of research. ZnO nanoparticle polymer fillers have been found to improve UV-light opacity. However, using ZnO as a filler is relatively expensive and time-consuming f
Externí odkaz:
https://doaj.org/article/9ffdf1c829f44611872a6e48d6f86fd0
Autor:
Hairul Abral, Muhammad Ikhsan, Dieter Rahmadiawan, Dian Handayani, Neny Sandrawati, Eni Sugiarti, Ahmad Novi Muslimin
Publikováno v:
Journal of Materials Research and Technology, Vol 17, Iss , Pp 2193-2202 (2022)
Pure polyvinyl alcohol (PVA) has some weaknesses, such as low values of ultraviolet (UV)-light protection, anti-bacteria, tensile strength, and thermal resistance. We have found a new additive, i.e., Uncaria gambir (UG) extract, added to PVA to impro
Externí odkaz:
https://doaj.org/article/3e9591f0c20c400bbe8e2944e0fdbee5
Autor:
Hairul Abral, Melati Krista Chairani, Muhammad Dinul Rizki, Melbi Mahardika, Dian Handayani, Eni Sugiarti, Ahmad Novi Muslimin, S.M. Sapuan, R.A. Ilyas
Publikováno v:
Journal of Materials Research and Technology, Vol 11, Iss , Pp 896-904 (2021)
This work investigates the effects of two different levels of humidity (RH 50% and 75%) on the characterizations of compressed bacterial cellulose nanopaper film. The film was prepared with different heat treatments; compression at 25 °C for 72 h an
Externí odkaz:
https://doaj.org/article/fb02cbe43fd343f8ad60d76905285482
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 4, Pp 8754-8765 (2020)
Cellulose-based nanopaper with high moisture and thermal resistance and high tensile properties has many applications in the food packaging industry, electronics, and biosensors. The objective of the present work is to produce and characterize the di
Externí odkaz:
https://doaj.org/article/302131a9666d416da1a0d7e5d69c686d
Autor:
Dieter Rahmadiawan, Hairul Abral, Rafi Alzues Kotodeli, Eni Sugiarti, Ahmad Novi Muslimin, Ratna Isnanita Admi, Andril Arafat, Hyun-Joong Kim, S.M. Sapuan, Engkos Achmad Kosasih
Publikováno v:
Polymers, Vol 15, Iss 3, p 643 (2023)
Developing a conductive cellulose film without any metal compounds remains challenging, though in great demand. However, cellulose film prepared from bacterial cellulose (BC) powder without any metal compounds has poor tensile, physical, and electric
Externí odkaz:
https://doaj.org/article/08f0f96de25c4703830f02a78dabf583
Autor:
Dieter Rahmadiawan, Hairul Abral, Wahyu Hidayat Yesa, Dian Handayani, Neny Sandrawati, Eni Sugiarti, Ahmad Novi Muslimin, S. M. Sapuan, R. A. Ilyas
Publikováno v:
Journal of Composites Science, Vol 6, Iss 10, p 316 (2022)
Polyvinyl alcohol (PVA) has been used in packaging applications due to its biocompatibility and biodegradability. However, this non-toxic synthetic material belonging to a highly hydrophilic polymer has poor resistance to wet environments, no antibac
Externí odkaz:
https://doaj.org/article/0a8792e640a2449d8ffe96397825d20a
Autor:
Hairul Abral, Angga Bahri Pratama, Dian Handayani, Melbi Mahardika, Ibtisamatul Aminah, Neny Sandrawati, Eni Sugiarti, Ahmad Novi Muslimin, S. M. Sapuan, R. A. Ilyas
Publikováno v:
International Journal of Polymer Science, Vol 2021 (2021)
As a contribution to the growing demand for environmentally friendly food packaging films, this work produced and characterized a biocomposite of disintegrated bacterial cellulose (BC) nanofibers and tapioca starch/chitosan-based films. Ultrasonicati
Externí odkaz:
https://doaj.org/article/569d13cef9bd4d668931e3f3b9eb0e82
Publikováno v:
Jurnal Penelitian Fisika dan Aplikasinya, Vol 2, Iss 2 (2016)
Penelitian ini menggunakan metode eksperimen. Obyek eksperimen pada penelitian ini adalah plat baja karbon rendah (Baja ST 37) berbentuk plat persegi dengan dimensi p x l x t. Penelitian ini melalui beberapa tahapan yaitu, persiapan eksperimen dan pe
Externí odkaz:
https://doaj.org/article/750d07df82154e81b1e1e3b6fb615fd9