Certified reference material of rigid PVC for oxygen index was developed.
研制硬质聚氯乙烯(硬质pvc)氧指数标准物质。
The effects of FRGPPP content on density, oxygen index and mechanical properties of FPUF were investigated.
讨论了难燃接枝聚合物聚醚多元醇的用量对聚氨酯软质泡沫密度、氧指数和力学性能的影响。
The produced flame-retardant polyester had splendid flame retardance and the limiting oxygen index in the range of 30 ~ 32.
所制备的阻燃聚酯具有优异的阻燃性能,极限氧指数30 ~32。
Polyurethane foam in essence are highly flammable materials, do not make flame retardant processing the oxygen index is only 16.5%.
聚氨酯泡沫本质上属于高度易燃材料,未做阻燃处理时氧指数仅为16.5%。
Its limiting oxygen index (LOI) value was over 50, which further promoted its flame retardant effect and its value for practical USES.
限氧指数值高达50以上,进一步提高了阻燃效果及其实用价值。
The flame retardant of the flexible PVC treated with composite metal oxides was studied by oxygen index (OI) and differential thermal analysis;
通过氧指数检测及热重分析考察了复合金属氧化物添加量对软PVC阻燃性能的影响;
The factors of flammability testing of no-halogen flame-retardant PE were investigated by testing methods of the oxygen index and the smoke density.
采用氧指数和烟密度分析方法,对无卤阻燃聚乙烯试样燃烧性能测试的影响因素进行了分析。
PE has a limiting oxygen index(IO) value of 17.4, ABS has only 16.8. Therefore, the flame retardancy of them is very important in widening their application areas.
但它们均属于易燃材料,PE的氧指数为17.4,而ABS的氧指数仅为16.8,这极大的限制了他们的进一步应用。
Thermal gravimetric analysis(TGA), FTIR, Limited oxygen index(LOI) and vertical firing test are used to research the flame retardancy of the intumescent flame retardant on PP.
采用热重分析(TGA)、红外光谱分析(FTIR)、氧指数测定和垂直燃烧实验,研究了所合成的膨胀型阻燃剂对聚丙烯的阻燃作用。
Conclusion Anisodamine can help to improve the OER of MODS patients, and decrease the quantity and time of the vasoactive drugs used, at the same time improve the oxygen index of the lung.
结论山莨菪碱能改善MODS患者的氧摄取,减少升压药的用量及使用时间,帮助提高肺氧合指数。
It was found that its oxygen index, smoke density were directly proportional to content of carburizer whereas its initial expanding time was inversely proportional to content of carburizer.
研究结果表明,材料的氧指数、烟密度与炭化剂的用量成正比,而起始膨胀时间与炭化剂的用量成反比。以直接模压成型方法制得的材料膨胀性能较好。
By means of the test of LOI (limited oxygen index), it is showed that composites have good flame-retardant characteristics and expanded graphite has less contribution to the flame -retardant effect.
通过对复合材料的氧指数测定表明,添加了可膨胀石墨的复合材料具有良好的阻燃特性,但膨胀石墨对于复合材料的阻燃效应贡献甚微。
Experimental data were obtained by means of all kinds of instruments such as a tensile machine, an Izod impact test machine, thermogravimetric analysis, limit oxygen index (LOI) instrument and so on.
各种数据的获得借助于拉力试验机、悬臂梁冲击试验机、热重分析仪、和氧指数仪等各种分析测试手段。
The flammability of leather was evaluated by the vertical flame test and Oxygen Index Test.
革的燃烧性能用垂直燃烧试验和氧指数进行表征。
The flammability of leather was evaluated by the vertical flame test and Oxygen Index Test.
革的燃烧性能用垂直燃烧试验和氧指数进行表征。
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