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All Journal Jurnal Ilmiah Arena Tekstil Texere Sainteks: Jurnal Sain dan Teknik
Maya Komalasari, Maya
Sekolah Tinggi Teknologi Tekstil, Bandung
Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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PENGGUNAAN TiO2 PARTIKEL NANO HASIL SINTESIS BERBASIS AIR MENGGUNAKAN METODA SOL-GEL PADA BAHAN KAPAS SEBAGAI APLIKASI UNTUK TEKSTIL ANTI UV Komalasari, Maya; Sunendar, Bambang
Arena Tekstil Vol 28, No 1 (2013)
Publisher : Arena Tekstil

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2135.385 KB)

Abstract

Partikel nano TiO2 berbasis air dengan pH basa telah berhasil disintesis dengan menggunakan metode sol-gel dan diimobilisasi pada kain kapas dengan menggunakan kitosan sebagai zat pengikat silang. Sintesis dilakukan  dengan prekursor TiCl4 pada konsentrasi 0,3 M, 0,5 M dan 1 M, dan menggunakan templat kanji dengan proses kalsinasi pada suhu 500˚C selama 2 jam. Partikel nano TiO2 diaplikasikan ke kain kapas dengan metoda pad-dry-cure dan menggunakan kitosan sebagai crosslinking agent. Berdasarkan hasil Scanning Electron Microscope (SEM),diketahui bahwa morfologi partikel TiO2 berbentuk spherical dengan ukuran nano (kurang dari 100 nm). Karakterisasi X-Ray Diffraction (XRD) menunjukkan adanya tiga tipe struktur kristal utama, yaitu (100), (101) dan (102) dengan fasa kristal yang terbentuk adalah anatase dan rutile. Pada karakterisasi menggunakan SEM terhadap serbuk dari TiO2 yang telah diaplikasikan ke permukaan kain kapas, terlihat adanya imobilisasi partikel nano TiO2 melalui ikatan hidrogen silang dengan kitosan pada kain kapas. Hasil analisa tersebut kemudian dikonfirmasi dengan FTIR (Fourier Transform Infra Red) yang hasilnya memperlihatkan puncak serapan pada bilangan gelombang 3495 cm-1, 2546 cm-1, dan 511 cm-1,  yang masing-masing diasumsikan sebagai adanya vibrasi gugus fungsi O-H, N-H dan Ti-O-Ti. Hasil SEM menunjukkan pula bahwa kristal nano yang terbentuk diantaranya adalah fasa rutile , yang berdasarkan literatur terbukti dapatberfungsi sebagai anti UV.
PENYEMPURNAAN DENGAN MENGGUNAKAN SENYAWA FLUOROKARBON PADA KAIN POLIESTER MICROFIBER TERHADAP SIFAT TOLAK AIR, KEKUATAN TARIK DAN KEKAKUAN KAIN Hidayati, Erza Lailatil; Komalasari, Maya
Texere Vol 16, No 1 (2018): Texere Volume 16 Nomor 1 Januari 2018
Publisher : Politeknik STTT Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53298/texere.v16i1.2

Abstract

Influence of Sodium Hydroxide Concentration and Soaking Duration on Absorbency and Weight of Tencel Fabric During Mercerization Putra, Rafly Prahmantia; Komalasari, Maya; Luciana, Luciana
Sainteks: Jurnal Sain dan Teknik Vol 7 No 02 (2025): September
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v7i02.942

Abstract

Tencel fabric has characteristics similar to cotton fibers but possesses the durability of synthetic fibers. It is produced using environmentally friendly technology. Tencel is made with the solvent NMMO (N-methylmorpholine-N-oxide), which is recyclable up to 99%. This fabric is derived from cellulose fibers or regenerated cellulose fibers. The advantages of tencel include good absorbency, luster, and tensile strength. This study aims to determine the optimal concentration of caustic soda (sodium hydroxide) and soaking time in the mercerization process during the finishing preparation of tencel fabric, focusing on weight reduction, absorbency, tensile strength, dimensional stability, and fiber morphology. Tencel is known for its easy fibrillation in wet conditions and significantly high tensile strength. Previous studies have shown that alkali treatment can enhance absorbency and luster. Mercerization was carried out with variations in caustic soda concentration at 7, 9, 11, and 13 °Be and soaking times of 30, 45, and 60 seconds. The results showed that higher caustic soda concentrations and longer soaking times led to decreases in weight, tensile strength, and dimensional stability. However, absorbency increased up to a certain concentration before declining again. This is also influenced by changes in fiber morphology due to the mercerization process using caustic soda. The optimum point was determined using a ranking and weighting method based on test results and evaluation of tencel fabric. The optimal mercerization condition was found at a caustic soda concentration of 9°Be with a soaking time of 45 seconds, yielding a weight reduction of 4.07%, absorbency of 4.5 cm/2 minutes, warp direction tensile strength of 6.34 N and weft direction of 7.5 N, and dimensional stability of 6.8% in the warp direction and 2.4% in the weft direction.
Co-Authors Bambang Sunendar Hidayati, Erza Lailatil Luciana Luciana Putra, Rafly Prahmantia