Influence factors in oxygen index test of fire retardant PVC bushing
阻燃PVC电工套管氧指数测定中的影响因素
Results showed that the synergistic action of brominated epoxy 10% and Sb2O3 3% could improve the limiting oxygen index from 18 to 30 and gave good mechanical performance to PU coatings.
结果表明当溴化环氧用量为10%,在3%的Sb2O3协同作用下,可将聚氨酯涂料的极限氧指数(LOI)从18提高到30,同时能保证聚氨酯涂料优良的物理机械性能。
The oxygen index of polypropylene modified by the retardant.
用所合成的阻燃剂改性聚丙烯,可使聚丙烯的氧指数由改性前的18。
Combustion and decomposition properties on wood were investigated by using LOI,char yield,DTA-TG.
以六氯环三磷腈为阻燃剂,采用常压浸注和热-冷浸注结合法,对木材进行了阻燃处理,并利用氧指数,剩炭率,热分析等分析手段对其热降解行为进行了表征。
The flame retardance and thermal stability of it were studied by thermal analysis, SEM, limited oxygen index (LOI) and char yield methods.
通过热分析、剩碳率、氧指数和扫描电镜对无机金属氧化物溶胶处理后的羊毛样品的热降解行为进行了表征,并对其阻燃机理作了初步探讨。
The decrease in Limitting Oxygen Index (LOI) along with the increase of temperature for PVC flame retardant systems was studied by ETOI and TGA.
实验结果发现虽然PVC+Cu2O体系的常温氧指数明显高于PVC+MoO3体系,但在高温下后者的LOI值反而超出前者。
It was found that summing up vertical combustion index and limited oxygen index,nitrocellulose could make leather resist better inflammation than casein,but comparing with blank,leather resistive inflammation was all reduced,acrylic resin and polyurethane were separately arranged behind n.
结果发现,综合垂直燃烧指标和氧指数指标发现,四种成膜剂中,硝化纤维和酪素的皮革抗燃性好,其中,硝化纤维抗燃性最好,但是相比较空白样,都有降低皮革的抗燃性的性质,聚氨酯和丙烯酸分别排列其后;而经聚氨酯涂饰的皮革,其在燃烧过程中,伴随着大量烟雾的放出,所以其烟密度很大。
Using Ⅱ,we prepared fire-resistant ABS resin and the limited oxygen index(LOI) and other mechanical properties were tested.
由五氯化磷和氯化铵合成了六氯环三磷腈(Ⅰ),通过亲和取代反应由苯胺和Ⅰ合成了六(苯胺基)环三磷腈(Ⅱ),并对化合物Ⅰ和Ⅱ进行了元素分析,IR谱和质谱表征;用化合物Ⅱ与ABS树脂共混制备了阻燃ABS树脂,测试了其氧指数和力学性能等指标。
It is shown that if PP:MRP:magnesium hydroxide(MH)=100(phr):15(phr):50(phr),the limited oxygen index(LOI) of the composite is 26%,vertical firing ranking UL-94 V-0,and the use of flame retardants has less influence on the tensile strength of the composite.
结果表明,当PP:MRP:氢氧化镁(MH)=100(phr):15(phr):50(phr)时,复合材料的极限氧指数(LOI)为26%,垂直燃烧达到UL-94标准的V-0级,且阻燃剂的加入对复合材料的拉伸强度影响很小。
18MPa and its limiting oxygen index was 27.
18MPa ,氧指数达到 2 7。
Through the tests with cotton cloths, limiting oxygen index was 31.
低毒的天然纤维阻燃剂是用双氰胺、甲醛为原料在70～75℃的条件下合成的,通过在棉布上测试,氧指数可达31,结果表明双氰胺甲醛树脂是一种阻燃性能良好的低毒聚合物。
PET and PC containing 5wt%polymer have limiting oxygen index (LOI) of 29 6 and 30 0 respectively,while PET and PC without the additive have LOI of 21 and 27 respeetively.
当w(PET中缩聚物 )和w(PC中缩聚物 )分别为 5 %时 ,聚合物PET和PC氧指数分别是2 9 6和 30 0 ,而未加该缩聚物时 ,氧指数为 2 1和 2
The OI and non-combustibility tests are also made.
材料的氧指数和不燃性测试结果表明,这种材料是一种性能优良的不燃材料。
The Oxgen index of the fire retarding back-coating latex exceed not over70.
其阻燃背衬胶乳氧指数可达70以上。
LOI (limiting oxygen index)
限氧指数（测定纤维可燃性值）
limit oxygen index
极限耗氧指数（易燃性测试）
Rubber-Determination of flammability by oxygen index
GB/T10707-1989橡胶燃烧性能测定氧指数法
Textiles--Burning behaviour--Oxygen index method
GB/T5454-1997纺织品燃烧性能试验氧指数法
determination of burning behaviour by oxygen index-part 2:ambient-temperature test
通过氧指数测定其燃烧性-第2部分：室温试验
Plastics--Determination of flammability by oxygen index
GB/T2406-1993塑料燃烧性能试验方法氧指数法
Test method for the determination of oxygen index of insulating liquids
GB/T16581-1996绝缘液体燃烧性能试验方法氧指数法
Influence factors in oxygen index test of fire retardant PVC bushing
阻燃PVC电工套管氧指数测定中的影响因素
Analysis of the Factors Influencing Oxygen Index Measurement of Flame Retardant PVC Electrical Conduits
阻燃PVC电工套管氧指数测定中的影响因素分析
Test method for flammability characteristics of glass fiber reinforced plastics using the oxygen index method
GB/T8924-1988玻璃纤维增强塑料燃烧性能试验方法氧指数法
Comparison of Permanganate Index, COD and BOD
辨析高锰酸盐指数、化学需氧量、生化需氧量
causticaire scale
氢氧化钠法棉成熟度指数
The major pollution indicators are dissolved oxygen, potassium permanganate, BOD, volatile phenol and petroleum.
主要污染指标为溶解氧、高锰酸盐指数、生化需氧量、挥发酚和石油类。
Effects of Body Mass Index and Preoxygenation in the 15°Head-Up Position on Tolerance to Hypoxia;
体重指数和头高15°倾斜位吸氧去氮对患者耐受缺氧的影响
Effects of CO_2 Pneumoperitoneum on the PaCO_2 and BIS in Laparoscope Cholecystotomy Patients during Propofol Anesthesia
二氧化碳人工气腹对动脉血二氧化碳分压和脑电双频指数的影响
Effect of ROS on Cell Number and Cleavage Index of Mouse Embryo;
活性氧（ROS）对小鼠胚胎胚细胞数及分裂指数的影响
Conclusion Whether oxygen was inhaled or not, the blue nail polish had an obvious effect on SpO 2 readings.
结论 无论患者吸氧与否 ,蓝色指甲油都会影响SpO2 监测的数值。