Letteratura scientifica selezionata sul tema "UL-94 vertical"
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Articoli di riviste sul tema "UL-94 vertical":
Hoang, Quy Thi Dong, Cuong Ngoc Hoang, Anh Huynh Tram Pham, Vien Tri Thiem, Huong Ngoc Nhu Nguyen e Vy Thi Kim Trinh. "FLAME RETARDATION PERFORMANCES OF HALOGEN-FREE FLAME RETARDANT WHEN APPLIED TO UNSATURATED POLYESTER". Science and Technology Development Journal 15, n. 3 (30 settembre 2012): 73–79. http://dx.doi.org/10.32508/stdj.v15i3.1819.
Jin, Tian-Xiang, Xian-Yin Zhang, Yun-Feng Tao, Dan Wang, Feng Chen e Qiang Fu. "A novel biodegradable phosphorus-containing copolyester with preferable flame retardancy and mechanical properties". RSC Advances 5, n. 75 (2015): 61364–70. http://dx.doi.org/10.1039/c5ra11390c.
Zhang, Zhenya, Mingcheng Yang, Kunpeng Cai, Yang Chen, Shubo Liu, Wentao Liu e Jilin Liu. "Effect of the Flame Retardants and Glass Fiber on the Polyamide 66/Polyphenylene Oxide Composites". Materials 15, n. 3 (21 gennaio 2022): 813. http://dx.doi.org/10.3390/ma15030813.
Pham, Linh Thi Thuy, Hien Thi Thu Nguyen e Quy Thi Dong Hoang. "Flame retardation performances of non-halogen flame retardant applied to composite PVC-wood flour". Science and Technology Development Journal 18, n. 4 (30 dicembre 2015): 16–22. http://dx.doi.org/10.32508/stdj.v18i4.905.
Liu, Sun, Yi Lun Tan, Si Chun Shao, Yin Yin Hui e Zhi Han Peng. "Synthesis and Characterization of a Novel Polyhydroxy Triazine Charring Agent and Properties of its Flame Retarded Polyproylene". Advanced Materials Research 746 (agosto 2013): 23–27. http://dx.doi.org/10.4028/www.scientific.net/amr.746.23.
Luo, Xing, Min He, Jian Bing Guo e Bin Wu. "Flame Retardancy and Mechanical Properties of Brominated Flame Retardant for Long Glass Fiber Reinforced Polypropylene Composites". Advanced Materials Research 750-752 (agosto 2013): 85–89. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.85.
Wang, Yong, e Jun Zhang. "Thermal stabilities of drops of burning thermoplastics under the UL 94 vertical test conditions". Journal of Hazardous Materials 246-247 (febbraio 2013): 103–9. http://dx.doi.org/10.1016/j.jhazmat.2012.12.020.
Yang, Hangfeng, Hangbo Yue, Xi Zhao, Minzimo Song, Jianwei Guo, Yihua Cui, Juan P. Fernández-Blázquez e De-Yi Wang. "Polycarbonate/Sulfonamide Composites with Ultralow Contents of Halogen-Free Flame Retardant and Desirable Compatibility". Materials 13, n. 17 (19 agosto 2020): 3656. http://dx.doi.org/10.3390/ma13173656.
Dai, Pei Bang, Lin Ying Yang, Ting Zheng, Chang Qin e Qi Chen Tang. "Flame Retardant Effect of a Modified Intumescent Flame Retardant on a Rigid Polyurethane Foam". Key Engineering Materials 748 (agosto 2017): 51–54. http://dx.doi.org/10.4028/www.scientific.net/kem.748.51.
Hu, Xiao Ping, Yu Yang Guo, Quan Min Xu, Hui Min Heng e Liang Jun Li. "Synthesis of a Novel Intumescent Flame Retardant Oligomer and its Application in ABS Copolymer". Advanced Materials Research 391-392 (dicembre 2011): 204–8. http://dx.doi.org/10.4028/www.scientific.net/amr.391-392.204.
Tesi sul tema "UL-94 vertical":
Dilger, Melvin. "Flame retardant expanded polypropylene for applications in electric vehicles : design and mechanism of action". Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILR066.
Today the sector of transport is changing with the transition from thermal vehicles to electrical vehicles. Thus, the materials widely used in vehicles as EPP also have to change due to higher requirements in terms of fire properties.In this thesis, three approaches were considered to increase the fire properties of EPP and reach a V0 rating at UL-94 vertical test, according to the three steps of manufacturing EPP. In fact, to manufacture EPP, three steps are necessary: (1) the polypropylene (PP) is melt blended with various additives via an extrusion process, (2) the blended PP is expanded, i.e. an expansion gas is introduced into it to form EPP beads and (3) the EPP beads are then molded into the desired shape. Before investigating the different approaches, the UL-94 vertical test was instrumented in order to obtain more information and have a better understanding in terms of fire properties. The different approaches considered were: (1) incorporating flame retardants and synergists into the PP matrix before expansion, this is the most common approach. This approach was deeply investigated with a comparison between several FRs with different modes of action (intumescent FR, free radical generator, etc), an optimization of the most efficient FRs combination and a study of the influence of industrial manufacturing, especially the expansion step. Indeed, the FRs can disrupt the foaming processability (expansion step), due to the high amount of FRs needed and the fact that FRs can play the role of nucleating agents. Moreover, the mechanism of action of the chosen FRs was studied before and after the expansion step. To counter the complexity of the expansion step in the approach (1), alternative approaches were studied in order to validate others concept. The alternative (2), applying a flame-retardant coating on the EPP beads (before molding) and (3) applying a flame-retardant coating to the molded final piece (EPP bars). However, these approaches have also some drawbacks. Indeed, the EPP has poor adhesion properties because it has no functional groups. Thus, an optimization of a plasma treatment was needed in order to increase the adhesion of EPP. Several flame retardant coatings were applied on the surface and the moldability of the coated EPP beads was studied. Finally, the fire properties at UL-94 vertical test of the molded coated EPP beads and coated EPP bars were studied
Capitoli di libri sul tema "UL-94 vertical":
Gurung, Dinesh, Md Shafinur Murad, Nivedhan Ravi, M. Bakir, E. Bahceci, O. Er, B. Safaker et al. "Sulfonated PEEK Fiber Reinforced Composites for Increased Thermal and Mechanical Properties". In Proceedings of the 2023 International IEMS Conference, March 5-7, 2023, 93–101. Wichita State University, 2023. http://dx.doi.org/10.62704/10057/26124.