极限氧指数

极限氧指数、热重分析和燃烧总释热量表明水处理对经聚磷酸铵处理的聚丙烯腈薄膜的阻燃性能只有微弱的影响。

LOI value , TGA response and total heat combustion suggested that water treatment had only small impact on the flame retardancy of APPs treated PAN films .

阻燃粘胶纤维的极限氧指数为28.0%，强度为2.84cN/dtex，短纤维率为9%。

The results indicate that LOI of the fire retardant viscose fiber is 28.0 % , intensity is ( 2.84 cN / dtex ) and short fiber content ( SFC ) is 9 % .

用未经阻燃处理的牛仔织物增强阻燃PP制备的复合材料的极限氧指数仍然很低，在空气中就可以点燃后缓慢燃烧。

The composites made by the denim without flame retardant treatment reinforced the flame retardant PP have low LOI , which can burn in the air .

分别用APP在水中的溶解度变化，APP处理的LLDPE水浸后的极限氧指数（LOI）变化和磷含量变化评价了APP的耐水性。

Its water resistance was evaluated with its water-solubility and the changes of LOI and P content of the LLDPE after being immersed in water .

然而，PET的极限氧指数仅为21左右，受热易熔融、分解、燃烧，极大地限制了其更加广泛的应用领域。

However , the limiting oxygen index of PET is only 21 % , which is easy to melting , decomposition , combustion during heating process , so its applications were limited greatly .

测定了样品的极限氧指数（LOI）。

Limited oxygen index ( LOI ) measurements were performed on the Oxygen Index Flammability Gauge .

研究结果表明，在PVC中加入5%经偶联剂和振磨处理的硼酸锌，PVC的冲击强度、拉伸强度和极限氧指数均得到了明显提高。

The impact strength , strength at break and limited oxygen index of PVC will be improved quite a lot after blending it with 5 % of ZB pretreated by coupling agent .

通过极限氧指数（LOI）和UL-94对聚丙烯的易燃性进行了研究。

The flammability of polypropylene was investigated by Limiting oxygen index ( LOI ) and UL-94 .

通过TGA、极限氧指数测定、SEM和力学性能测定研究了PVC／硼酸锌体系的热降解行为、阻燃性能和力学性能。

The thermal degradation , flame retardancy and mechanical properties of Zinc borate ( ZB ) filled PVC were studied through TGA , limited oxygen index ( LOI ) test , SEM and mechanical property test .

利用力学性能、TGA、极限氧指数（LOI）和UL-94垂直燃烧性能对复合材料的性能进行评估。

The mechanical properties , TGA , limiting oxygen index ( LOI ), UL-94 test were used to evaluate the properties of the composites .

当环氧树脂用量大于20phr时，阻燃HIPS的垂直燃烧达到UL94V-0级，极限氧指数（LOI）为28.8%。

The vertical combustion level and limiting oxygen index ( LOI ) of the flame-retardant HIPS reaches UL 94 V-0 and 28.8 % respectively when the epoxy content is higher than 20 phr .

极限氧指数（LOI）测试表明Sb2O3能够与溴阻燃剂产生协同作用，显著增强阻燃剂的阻燃性能；

Measurements on the limiting oxygen index ( LOI ) indicated that Sb_2O_3 increased greatly the flame resistance of bromine flame retardant by its synergistic action ;

两种成型方法制得的泡沫夹层复合材料的极限氧指数均能达到49%，水平燃烧得到的燃烧等级均为HB，故此泡沫夹层复合材料具有优良的阻燃性能。

The LOI of the sandwich composites made by the two curing methods both can reach 49 and the burning level of the two are HB , both of which suggest that the sandwich composites have the excellent flame retardant performance .

PES纤维的热稳定较好，其初生纤维的起始分解温度为442.15℃；PES纤维的阻燃性能较好，极限氧指数为26.9%。

The obtained PES fiber exhibited tenacity 2.30 cN / dtex , good thermal property and flame retardancy and limiting oxygen index 26 . 9 % and the initial degradation temperature for the as-spun fiber was 442.15 ℃ .

采用极限氧指数（LOI）法，垂直燃烧法等手段研究了新型有机磷酸酯对涤纶织物的阻燃和抗熔滴行为，并考察了磷含量对织物力学性能的影响。

Flame-retardant , anti-dripping behavior and mechanical property of a novel organic phosphate for the treatment of polyester fabrics are investigated by limiting oxygen index method ( LOI ), vertical burning test and mechanical test .

采用锥形量热仪、极限氧指数法和垂直燃烧法研究了可溶可熔酚醛树脂（Novolac）和磷酸三苯酯（TPP）对高抗冲聚苯乙烯（HIPS）阻燃性能的影响。

It studied the influencing effects of triphenylphosphate ( TPP ) and Novolac on flame retardancy of high impact polystyrene ( HIPS ) by use of a cone calorimeter , limiting oxygen index ( LOI ) and vertical combustion test .

采用极限氧指数、TG-DTA分析、红外分析及元素组成分析，探讨了两种含磷阻燃剂磷酸酯1（P1）和TCP在异氰脲酸酯改性聚氨酯弹性体（IMPUE）中的阻燃机理。

The flame retardant mechanisms of two phosphorated flame retardants P1 ~ # and TCP in isocyanurate-modified polyurethane elastomer ( IMPUE ) were studied . By limiting oxygen index ( LOI ), TG-DTA , FTIR and X-ray spectrum .

通过燃烧性能测试、TG和DSC分析表明，CGATH的添加能够提高树脂体系的分解温度，增加结炭率，显著提高极限氧指数。

Tests of flame retardancy and analysis of TG and DSC showed that the addition of CG-ATH increased decomposition temperature of the composite , from 221.6 ℃ to 267.8 ℃ . At the same time coking rate and limiting oxygen index ( LOI ) increased .

采用极限氧指数法，热重分析和烟密度测试法研究了磷酸三苯酯（TPP）、锡酸锌（ZS）在环氧树脂酸酐固化物（EP）中的阻燃作用和抑烟机理。

Flame retardance and smoke suppression mechanisms of triphenyl phosphate ( TPP ) and zinc stannate ( ZS ) alone and together in the anhydride cured epoxy resin ( EP ) were studied by limited oxygen index ( LOI ), thermogravimetry analysis ( TGA ) and NBS techniques .

织物极限氧指数为26.9%，紫外吸光度低于1.6，体积比电阻为8.13×10~（13）Ω·cm，摩擦静电压为7272V，1min后衰减电压为5519V。

The limiting oxygen index of the fabric was 26.9 % , the ultraviolet absorbancy be - low 1.6 , the volume resistivity 8.13 × 10 ~ ( 13 )Ω· cm , the triboelectrification voltage 7 272 V , and the attenuated voltage in 1 min 5 519 V.

时，聚乳酸纤维的极限氧指数仍保持在25。

However , the limiting oxygen index ( LOI ) value of the treated fiber remained at25 .

与未经阻燃处理的大豆蛋白纤维相比，阻燃大豆蛋白纤维有极限氧指数和剩炭率明显提高，阻燃性能得到明显改善。

Compared with pure sample , the flame retardant property of treated soybean protein fibre was effectively improved .

加入聚丙烯中，发现极限氧指数有比较大的提高。

A large increase in the limiting oxygen index ( LOI ) value were observed by adding nano TPP to PP.

所制备的阻燃聚酯具有优异的阻燃性能，极限氧指数30～32。

The produced flame-retardant polyester had splendid flame retardance and the limiting oxygen index in the range of 30 ~ 32 .

超细煤粉的含量在一定范围内可明显提高聚乙烯/蒙脱土复合材料的极限氧指数。

The given content of coal can improve greatly the limiting oxygen index ( LOI ) of polyethelyene / montmorillonite composites .

结果表明：样品的阻燃性能得到改善，极限氧指数从18%提高到了21%；

The results showed that the flame retardant property of the sample was improved with LOI increasing from 18 % to 21 % ;

将阻燃棉进行极限氧指数、色度、断裂强度、水洗次数以及抗折皱性等方面的性能测试。

Will flame retardant cotton to test performance of extreme oxygen index , chroma , breaking strength , water processing times and anti-angiogenesis .

粘胶纤维的极限氧指数很低，遇火极易燃烧，从而造成人身伤亡和财产损失，使其应用受到很大的限制，需要添加阻燃剂对其进行改性。

Viscose fiber , easily burned in air , has very low limiting oxygen index . The performance need to modify through adding flame retardant .

同时采用各种仪器测试并简要分析了大豆蛋白纤维的耐热性、热收缩率以及极限氧指数，并与羊毛纤维进行了对比。

The heat resistance , heat shrinkage and limit oxygen index of the soybean protein fibers are discussed and compared with that of the wool .

本文对含阻燃剂的聚酰胺6进行了熔体流变性能、极限氧指数、热失重和力学性能的研究。

The melt rheology , Limit Oxygen Index ( LOI ), thermogravimetric ( TG ) and mechanical properties of flame retarded PA6 fiber have been investigated .