filament yarn
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Measurement ◽  
2021 ◽  
pp. 110514
Author(s):  
Dongjian Zhang ◽  
Yuan Tan ◽  
Qihua Ma ◽  
He Liao ◽  
Chenhui Lu ◽  
...  


2021 ◽  
Vol 2021 ◽  
pp. 378-384
Author(s):  
E. Eskiyapar ◽  
H.K. Kaynak ◽  
H.İ. Çelik ◽  
E. Sarıoğlu

Functional properties such as; water resistance, flame retardancy, antibacterial efficiency etc. are required from textile products. One of the most commonly demanded products among functional textile products is the flame-retardant textiles. In this study, it is aimed to produce polypropylene filament yarn with permanent flame retardancy functionality by adding boron compound, which is Anhydrous disodium tetraborate powder (particle size < 38 micron), to the fiber structure during melt spinning process. In this study two different yarn samples are produced with anhydrous disodium tetraborate content by mass ratios of 2% and 5%. A control polypropylene filament yarn sample is also produced with no additive. By this way, three samples are produced by a conventional BCF polypropylene melt spinning machine with the same production parameters. Then, three knitted fabric samples were produced flat knitting machine. Limiting Oxygen Index (LOI) and vertical flammability tests were applied to the samples. According to results an important level of increase for LOI value is obtained with the sample which has 2% boron compound additive. Nevertheless, there is not a consistent effect of increasing boron content in yarn structure for LOI value. The reason of this situation may be resulted due to the uneven distribution of the boron compound in the yarn structure because of the particle size.



2021 ◽  
pp. 130760
Author(s):  
Marija Čolović ◽  
Jelena Vasiljević ◽  
Žiga Štirn ◽  
Nataša Čelan Korošin ◽  
Matic Šobak ◽  
...  


Author(s):  
Yujuan Wang ◽  
Guangxue Chen ◽  
Wengang Li ◽  
Xuehui Gan ◽  
Jun Wang


2020 ◽  
pp. 152808372091121
Author(s):  
Tianyong Zheng ◽  
Kaidao Yang ◽  
Xi Wang ◽  
Xiangchun Ning


2019 ◽  
Vol 20 (9) ◽  
pp. 1945-1957
Author(s):  
Toty Onggar ◽  
Eric Häntzsche ◽  
Rolf-Dieter Hund ◽  
Chokri Cherif


2018 ◽  
Vol 2 (1) ◽  
pp. 15
Author(s):  
Indah Dhamayanthie ◽  
Dikky Faisal Nugraha

Proses pengolahan air pendingin pada unit utilitas area Karawang. Salah satu pabrik polyster terkemuka di Indonesia yang memproduksi berbagai macam produk, seperti: Purified Terephthalic Acid (PTA), Polyester Chips, Filament Yarn. Tujuan melakukan penelitian ini antara lain untuk mengetahui secara langsung proses pengolahan air pendingin pada unit utilitas dan untuk mengetahui metode – metode yang digunakan dalam Proses Pengolahan Air Pendingin. Unit Utilitas merupakan unit yang berfungsi untuk menunjang unit – unit lain di dalam suatu industri dan pada Suatu industri sekarang sudah banyak menggunakan sistem pendinginan Air (Cooling Water System) dalam prosesnya, Proses pengolahan air pendingin ini merupakan bagian dari cooling water system. Proses pengolahan air pendingin menggunakan air sebagai bahan utamanya, air banyak digunakan karena memiliki kapasitas panas yang besar, selain itu juga kesediannya yang melimpah. Pengolahan air pendingin bersumber awal dari aliran sungai citarum. Sebelum di proses untuk menjadi air pendingin, air terlebih dahulu di olah dalam unit Pre-treatment. Pengolahan dalam unit Pretreatment diantaranya berupa Koagulasi, Flokulasi, Sedimentasi dan Filtrasi. Hasil dari proses pendinginan ini adalah Air Pendingin yang digunakan untuk kebutuhan unit – unit lain dalam suatu industri.



2018 ◽  
Vol 5 (9) ◽  
pp. 095702 ◽  
Author(s):  
T Onggar ◽  
E Häntzsche ◽  
R D Hund ◽  
Ch Cherif


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