Preparation and characterization of composite-modified PA6 fiber for spectral heating and heat storage applications

Autor: Tao Yaoding, Zhang Shouyun, Xu Mei, Qin Yuyan, Gao Shang, Wang Tianrui, Li Kaili, Cheng Ruijia, Cao Zhen
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Green Processing and Synthesis, Vol 13, Iss 1, Pp 53-7 (2024)
Druh dokumentu: article
ISSN: 2191-9550
DOI: 10.1515/gps-2023-0256
Popis: Composite coating technology was used to prepare a modified polyamide 6 (PA6) polymer material masterbatch with low mutual interference and good spinnability using molybdenum oxide, tungsten trioxide, graphene oxide, etc., as modifiers. Experiment shows that using nanoscale composite-coated modified masterbatches capable of spectral heating and heat storage in the preparation of nylon 6 fiber, adding modified masterbatches with a mass ratio of 6% online, and controlling various process parameters can result in good functionality and usability as well as enable consistent production. Optimal production conditions are achieved by utilizing pre-dried PA6 chips with a moisture content of 420 ppm. The master batch is subjected to drying at a temperature of 95°C for 12 h. During this process, the master batch is introduced at an addition ratio of 6%. Subsequent spinning is conducted at a speed of 4,300 m·min−1 and a temperature of 255°C. Cooling is facilitated by air set at a temperature of 17°C, flowing at a speed of 0.45 m·min−1. In the production line, one roller operates without heating, while the second roller is maintained at a temperature range of 160°C. The stretching process is performed at a ratio of 1.3. To ensure proper lubrication, an oil rate of 1.3% is applied. These meticulously controlled process parameters collectively contribute to the most favorable production status.
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