热空气老化

用热空气老化试验和热分析法讨论了硫化时间和硫化体系对粘土胶热氧老化性能的影响。

The effect of vulcanization time and vulcanization systems on thermal ageing property of the clay-rubber masterbatch were investigated by air oven ageing test and thermal analysis .

热空气老化和热水老化对PC冲击性能的影响

Effect of hot air aging and hot water aging on impact properties of polycarbonate

该SBR硫化胶亦具有良好的热空气老化性能。

The SBR vulcanizates had good thermal aging resistance .

二段硫化在热空气老化箱中进行，硫化条件为150℃×2h。该防尘罩已批量生产。

And the second step vulcanization is carried out in a hot air oven at the temperature of 150 ℃ for 2 h.

红外光谱和X射线光电子能谱表明，硅橡胶中氧化铈的Ce+4在热空气老化过程中部分转化为Ce+3，减轻了硅橡胶侧链的氧化断键，提高了硅橡胶的耐热性。

FT-IR and XPS results indicate that Ce + 4 of cerium oxide in silicone rubber is partially transferred to Ce + 3 and meanwhile , the degradation of side chain of silicone rubber is reduced .

以热空气老化法对直接混溶法和母料法制备的两种丁苯橡胶（SBR）改性沥青和一种SBS改性沥青的老化性能进行了研究。

This paper studied thermal ageing properties of two kinds of SBR modified bitumen ( SBR MB ) and a kind of SBR modified bitumen ( SBS MB ) .

考察了MOCA／E摩尔比及填料添加量等对PU弹性体物理性能及热空气老化性能的影响。

The effects of MOCA / E ratio and amount of the fillers on the physical properties and the heat air ageing of the PU elastomer were discussed .

研究了甲基丙烯酸锌[Zn（MAA）2]对聚丙烯酸酯橡胶（ACM）硫化特性、力学性能、热空气老化性能以及耐热油性能的影响。

The influence of Zn ( MAA ) 2 on vulcanization properties , mechanical properties , heat-air aging properties and heat-oil aging properties of ACM was studied .

在100℃热空气老化48h后，胶样的最大应力、拉伸强度、断裂伸长率均下降，且随着环氧化度的增加，其性能下降率有增大的趋势。

After heat-aging at100 ℃ for48h , the maximum stress , tensile strength and breaking elongation ratio decreased , and there is a obvious performance degradation as the extent of epoxidation increased .

经过300℃×48h热空气老化后，加入硅树脂的试样仍非常柔软，性能保持率达80%。

After hot air aging test ( 300 ℃× 48h ), the mechanical properties of silicon rubber with silicon resin were still soft and maintained approximately 80 % of their original properties .

在0～400h老化时间内，研究了这三种PC的热空气老化和热水老化对冲击强度和断面形貌的影响，讨论了PC热空气老化和热水老化机理。

The effect of hot air aging and hot water aging of PCs on the impact strength and fracture surface appearance was studied . The hot air aging and hot water aging mechanism was discussed .

在80℃热水老化后，三种PC冲击强度均有所下降，其中Bayer-PC降幅最小，Japan-PC次之，Korea-PC最大，但PC的平衡冲击强度大小与热空气老化的情况相同。

The impact strengths of PCs were reduced after hot water aging at 80 ℃, the degree of decrease of Korea PC is the largest , that of Bayer PC is the least , however , the equilibrium impact strength is same as that of hot air aging .

热空气老化对DIN和阿克隆磨耗性能的影响规律不同，阿克隆耐磨性能随老化时间的延长先提高后下降，而DIN耐磨性能则随着老化时间的延长而单调下降。

The effects of hot air aging on DIN and Akron abrasion properties were different . With the aging time prolonged Akron abrasion resistance firstly increased then decreased while DIN abrasion resistance decreased .

采用NR塑性保持率的测定方法、橡胶热空气老化试验方法、热分析技术及扫描电镜分析等，研究了促进剂TMTD对粘土填充NR胶料抗热氧老化性能的影响。

The effect of TMTD on the heat and oxygen aging of clay filled NR compound was investigated by using determination for plasticity retention of NR , test method of hot air aging , thermal analysis and SEM .

研究防老剂DH对NR，SBR，BR和NR/SBR并用胶的热空气老化和天候老化的防护作用，并与防老剂4020，BLE和RD进行对比试验。

The effect of antioxidant DH on the hot air aging and weathering aging properties of NR , SBR , BR and NR / SBR blend compounds was investigated and a comparative test of DH was made to antioxidants 4020 , BLE and RD.

结果表明，Zn（MAA）2使得ACM胶料的正硫化时间延长，硬度明显提高，力学性能得以改善，热空气老化性能以及耐热油性能仍可保持较高水平。

The results show that the optimum curing time is prolonged and the shore A hardness is greatly enhanced and the mechanical properties are improved by Zn ( MAA ) 2 . The heat-air aging properties and the heat-oil aging properties could still maintain high level .

由100℃热空气老化后EIR硫化胶的300%定伸应力下降表明，EIR属于断链反应为主的热老化历程。

The reduction in modulus of EIR 's vulcanizates on air-oven aging at 100 ℃ showed that the aging mechanism of EIRs was the reaction of the chain scission to hold a dominant position .

用热空气老化的方法考察了防老剂555PD不同加入量对丁苯橡胶SBR1500的热空气老化防护性能及物理机械性能的影响。

The influence of the amount of antioxidant555PD on air heat ageing and the mechanical properties of SBR1500 was studied , which was compared with antioxidant PPDB .

填料对氟橡胶热空气老化性能的影响

Influence of fillers on hot air aging properties of fluoroelastomer

丁苯橡胶热空气老化性能变化之间的相关性

Correlation of changes of air aging properties of styrene-butadiene rubber

可以通过热空气老化、浸油来调节硫化胶的硬度。

So the hardness of vulcanizate can be adjusted by heat-aging and oiling .

经热空气老化后不同品种钴盐均保持较好的耐热性能；

The compounds with different types of cobalt salts had better heat resistance after heat air a ging ;

用热空气老化法对乳胶导尿管进行老化处理后，用爆破试验法测试乳胶导尿管球囊的物理机械性能变化。

The physical mechanical property of latex catheter was studied by the demolishing experiment after heat air aging .

研究了氟硅橡胶胶粘剂的热空气老化性能和高温粘接性能。

The thermal ageing properties in air and adhesion at200 ℃ of the heat curing fluorosilicone adhesive were investigated .

提出了飞机使用环境由机场湿热大气环境、水介质浸泡环境和热空气老化环境三部分所组成；

Aircraft service environment consists of humid and hot atmosphere on the airport , water soaking environment and hot air ageing environment .

系统研究了羰基铁粉添加量对复合橡胶机械性能、热空气老化性能和耐热稳定性的影响；利用扫描电镜探讨了复合材料的微观结构。

Effects of CIP amount on mechanical , hot air aging and thermal stability properties of the composite were studied systemically and the microstructure was analyzed with SEM .

研究了以铁锡氧化物的复合物作为耐热添加剂的过氧化物高温硫化硅橡胶的热空气老化性能及其热稳定机理。

The mechanism of thermal stability of high temperature vulcanized ( HTV ) silicone rubber with the complex of ferric oxide and stannic oxide as thermal stabilizer was studied .

结果表明，硬脂酸盐改善CNRA热空气老化变色性能的优劣顺序为：硬脂酸铅、硬脂酸钙、硬脂酸钡、硬脂酸镉、硬脂酸锌；

The results showed that the effects of different stearates on improving the discolouration of chlorinated rubber from latex in hot air aging were as follows : lead stearate > calcium stearate > barium stearate > cadmium stearate > zinc stearate ;

通过二组共八个硫化的乙烯基硅橡胶样品的热重分析数据与热空气老化结果的比较，说明热重分析在筛选耐热添加剂方面的应用。

Comparing TGA data and aging result in hot air by using eight cured ethylene silicone rubber samples , it has shawn TGA applied to screening heat resistant fillers .