1) Limited oxygen index(LOI)
氧指数(L0I)
2) oxygen index
氧指数
1.
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
2.
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。
3.
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。
3) limiting oxygen index
氧指数
1.
18MPa and its limiting oxygen index was 27.
18MPa ,氧指数达到 2 7。
2.
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。
3.
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
4) limited oxygen index
氧指数
1.
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。
2.
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。
3.
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。
5) LOI
氧指数
1.
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。
2.
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。
3.
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。
6) oxygen index of LOI
LOI氧指数
补充资料：极限氧指数
分子式：
CAS号：
性质：聚合物在氧和氮混合气体中当刚能支撑其燃烧时氧的体积分数浓度。是表征材料燃烧行为的指数。LOI可以用燃烛试验测定，即将一个聚合物棒在特定条件下向下燃烧进行测定。通常认为LOI为21寸，该物质可以在空气中燃烧。
CAS号：
性质：聚合物在氧和氮混合气体中当刚能支撑其燃烧时氧的体积分数浓度。是表征材料燃烧行为的指数。LOI可以用燃烛试验测定，即将一个聚合物棒在特定条件下向下燃烧进行测定。通常认为LOI为21寸，该物质可以在空气中燃烧。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条