Gang Huang , Wenfeng Ge , Junxing Lv , Zhengrong Li , Yangling Li , Bin Fei
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引用次数: 0
Abstract
The study of fabrics’ flame retardant properties has always been a hot topic in the field of textiles. In this paper, a flame-retardant fabric with a sandwich structure was obtained by combining hydrogel patch method and in-situ polymerization technology via a two-step method. The thermogravimetric analysis (TGA) showed that the hydrogel could improve PLA materials’ thermal stability effectively. The hydrogel treated fabrics’ limiting oxygen index (LOI) value increased from 21.05 % to 80.00 %. The cone calorimeter test demonstrated that the pHRR and THR of the hydrogel treated fabrics decreased to 51.48 % and 55.97 %, respectively. After adding a mixture of ferric oxide and mica during the in-situ polymerization of the hydrogel, the pHRR and THR of the obtained fabric decreased to 43.77 % and 46.00 %, respectively, compared to the original PLA fabric. Furthermore, the mechanical strength test showed that the introduction of hydrogel patch had almost no effect on the mechanical properties of PLA materials. In addition, by using the way that metal ions can be arranged into a special array on the magnetic induction line, under the synergistic effect between ferric oxide and mica, the array formed by the ferric oxide particles on the magnetic induction line was designed with a series of patterns on its surface. Finally, a kind of textile with flame retardant properties and different patterns was obtained.
期刊介绍：
Polymer Degradation and Stability deals with the degradation reactions and their control which are a major preoccupation of practitioners of the many and diverse aspects of modern polymer technology.
Deteriorative reactions occur during processing, when polymers are subjected to heat, oxygen and mechanical stress, and during the useful life of the materials when oxygen and sunlight are the most important degradative agencies. In more specialised applications, degradation may be induced by high energy radiation, ozone, atmospheric pollutants, mechanical stress, biological action, hydrolysis and many other influences. The mechanisms of these reactions and stabilisation processes must be understood if the technology and application of polymers are to continue to advance. The reporting of investigations of this kind is therefore a major function of this journal.
However there are also new developments in polymer technology in which degradation processes find positive applications. For example, photodegradable plastics are now available, the recycling of polymeric products will become increasingly important, degradation and combustion studies are involved in the definition of the fire hazards which are associated with polymeric materials and the microelectronics industry is vitally dependent upon polymer degradation in the manufacture of its circuitry. Polymer properties may also be improved by processes like curing and grafting, the chemistry of which can be closely related to that which causes physical deterioration in other circumstances.
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