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All Journal Reaktor International Journal of Renewable Energy Development TEKNIK METANA JURNAL KIMIA SAINS DAN APLIKASI JURNAL TEKNOLOGI KIMIA DAN INDUSTRI Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Jurnal Kimia dan Kemasan Majalah Ilmiah MOMENTUM ALCHEMY Jurnal Penelitian Kimia Indonesian Journal of Chemistry Jurnal Inovasi Teknik Kimia Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Jurnal Teknik Kimia Indonesia Jurnal Kimia dan Kemasan Jurnal Pengabdian Vokasi Jurnal Profesi Insinyur Indonesia International Journal of Renewable Energy Development Bulletin of Chemical Reaction Engineering & Catalysis
Aprilina Purbasari
Departemen Teknik Kimia, Fakultas Teknik, Universitas Diponegoro
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Transportation

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Journal : JURNAL KIMIA SAINS DAN APLIKASI

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TiO2-PDMS Super Hydrophilic Coating with Self-Cleaning and Antimicrobial Properties Dessy Ariyanti; Afiatin Afiatin; Pury Diana Shintawati; Aprilina Purbasari
Jurnal Kimia Sains dan Aplikasi Vol 24, No 6 (2021): Volume 24 Issue 6 Year 2021
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1348.427 KB) | DOI: 10.14710/jksa.24.6.192-199

Abstract

In this paper, self-synthesized TiO2 nanoparticle was used as a coating material with the addition of polydimethylsiloxane (PDMS) on the surface of the glass and ceramic substrate via spray coating. The self-cleaning properties of the coating with photocatalytic activity mechanism were observed under irradiation of black lamp as well as surface wettability. The antimicrobial properties and the morphology under a scanning electron microscope were also investigated. The results showed that the coating exhibited self-cleaning properties, as demonstrated by the photocatalytic degradation of methylene blue up to 80% and wettability as a super hydrophilic layer with a water contact angle less than 10° for both glass and ceramic substrate. The coating also shows an antimicrobial property by extending the radius of microbial growth up to 67% compared to the uncoated sample. 3% TiO2 addition with 50% w/w PDMS is the optimum coating ratio for maximum photocatalytic activity, super hydrophilic, and antimicrobial properties.
Optimization and characterization of biodegradable film based on glutinous flour/glycerol/chitosan/ZnO using Response Surface Methodology (RSM) - Central Composite Design (CCD) Aulia Beta Safira; Aprilina Purbasari
Jurnal Kimia Sains dan Aplikasi Vol 25, No 10 (2022): Volume 25 Issue 10 Year 2022
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jksa.25.10.368-381

Abstract

Starch-based films are considered more competitive than petroleum because they are renewable, environmentally friendly, and easily degraded. The film in this study was fabricated from white glutinous flour, glycerol, chitosan, and ZnO through a starch gelatinization process. Chitosan content ranges from 2-4% (w/v), ZnO 4-8% of the dry weight of solid, and glycerol 15-45% of the dry weight of solids with a mass of white glutinous flour as much as 3 g was determined. Optimization and determination of running variables based on Central Composite Design. Response variables such as tensile strength, elongation, and water absorption were observed as important parameters in applying film as packaging materials. The Design Expert program recommended 2 g of chitosan: 8 % ZnO: 36.02% glycerol as the best composition in film fabrication, which aims to obtain maximum tensile strength and elongation, as well as minimum water absorption with the maximum desirability value (0.660). The predicted response values under optimal conditions by RSM were 3.68 MPa for tensile strength, 86.79% for elongation, and 268.09% for water absorption. The actual response has a tensile strength of 3.31 MPa, elongation of 83.5%, and water absorption of 320%. On average, a white glutinous flour/glycerol/chitosan/ZnO-based film required ± 45 days to degrade in the soil completely.
Co-Authors . Suherman . Widayat Afiatin Afiatin Afri Yenni Agnesia Permatasari Alice Pramashinta Andri Cahyo Kumoro Anissa Ardanti Wulandari Ariestya Meta Devi Arif Fajar Utomo Aulia Beta Safira Ayyubi, Shalahudin Nur Budi Ismadi Budiyono Budiyono Darmaji, Timothius Adrian Christantyo Dessy Ariyanti Dessy Ariyanti Didi Dwi Anggoro Ekky Febri Ariani Erwan Adi Saputro Faleh Setia Budi Fauzan, Ahmad - Fikri Mudzakir Marasabessy Hafsah Fajrin Aprilianti Hamzah, Fazlena Hapsari, Farida Diyah Hargono Hargono Heny Kusumayanti Heny Kusumayanti Herry Santosa Heru Susanto I Nyoman Widiasa Kharis Yohan Abidin, Kharis Yohan Kristinah Haryani Laeli Kurniasari Lesdantina, Dina Lukman Atmaja Lulluil Mahsunnah Luqman Buchori M. Djaeni Machmud Lutfi H Margaretha Praba Aulia Mira Amalia Hapsari Muhammad Adi Irawan Muslim, Aristianto Nita Aryanti Nita Aryanti Noer Abyor Handayani Noer Abyor Handayani Nungki Primastuti Pratama, Pambudi Pajar Pratiwi, Wahyu Zuli Purwanto Purwanto Purwanto Purwanto Pury Diana Shintawati Raizka Kharisma Mediani Ratnawati Ratnawati Restu Kusumawardani Rini Kusumawati Samadhi, T Walmiki Saputra, Erwan Adi Sary, Cindy Nella Setia Budi Sasongko Setiabudi, Herma Dina Shalahudin Nur Ayyubi Silviana Silviana Silviana Silviana Silviana Silviana Siswo Sumardiono Slamet Priyanto Sri Rukiyawati Suherman Suherman Syifa, Viona Titik Istirokhatun Tjokorde Walmiki Samadhi Tjokorde Walmiki Samadhi Tjokorde Walmiki Samadhi Tkokorde Walmiki Samadhi Tutuk Djoko Kusworo Vitus Dwi Yunianto Vitus Dwi Yunianto Budi Ismadi Wei Gao Wisnu Jati N Wulandari Dharsono Y. Saptiana Oktari Yazid Bindar Yazid Bindar Yustina Linasari