1)  heat aging
热老化性
1.
The results shows that the modified resin has better mechanical properties,adhesive force and water resistance,and with the low cost of heat aging and electrical property.
以环氧树脂改性有机硅树脂 ,测试并分析比较了环氧改性有机硅及有机硅复合材料的力学性能、电学性能、耐水性及耐热老化性能等。
2)  heat aging property
热老化性能
1.
5% of the mass of precipitated silica,was added into the MVQ together with SiO2 at the same time,and the results show that the anti-heat aging property and t.
5%的甲基乙烯基硅油可改善硫化成型后的LDPE/MVQ-SiO2并用胶的耐热老化性能和拉伸性能,硬度和扯断伸长率基本不变,但耐撕裂强度有所下降;制备LDPE/MVQ-SiO2并用胶时,加入质量为LDPE质量的1%的抗氧剂,可防止并用胶胶料在第2段硫化过程中,由于LDPE热降解所引起的材料性能劣化;在抗氧剂和硫化剂共同作用下,并用胶胶料合适的第2段硫化条件是200℃,硫化2 h。
2.
The results showed that the heat aging property of vulcanizates,the H pull-out force of aged ply compound and the performance of finished product improved without adverse effect on the physical properties of vulcanizates by adding 1 phr FHD-60 to carcass ply and inner tube compounds of bias tire respectively.
结果表明,在斜交轮胎帘布胶和内胎胶中加入1份防老剂FHD-60,对硫化胶的物理性能无不良影响,可提高硫化胶的耐热老化性能、帘布胶老化后的H抽出力及成品性能。
3)  aging property
耐热老化性
4)  thermal aging property
耐热老化性能
1.
The effect of the sorts and addition level of short fibre on the physical properties and thermal aging property of short fibre/CR composite was investigated.
试验研究短纤维种类和用量对短纤维/CR复合材料物理性能和耐热老化性能的影响。
2.
The results showed that the processibility,scorch time and curing rate changed little as the addition level of EPDM increased up to 30 phr;and when compared to IIR vulcanizate,IIR/EPDM vulcanizate possessed lower cross-link density,higher tensile strength and elongation at break,a little higher tear strength,similar thermal aging property,smaller tanδ at -10~+25 ℃ and greater tanδ at 25~200 ℃.
结果表明,在EPDM用量不超过30份时,随着EPDM用量的增大,IIR/EPDM并用胶的加工性能、焦烧时间和硫化速度变化不大;与IIR硫化胶相比,IIR/EPDM并用胶的交联密度减小,拉伸强度和拉断伸长率增大,撕裂强度略有提高,长期耐热老化性能相当,-10～+25℃时的损耗因子小于IIR硫化胶,25～200℃时的损耗因子大于IIR硫化胶。
3.
The results showed that a NR compound with the highest curing rate was obtained by using 4070/RD,its vulcanizate possessed the excellent flex cracking resistance,thermal aging property,fatigue resistance and hot water extraction resistance,and the comparable light aging property to those by using 4020/RD or 3100/RD.
结果表明,防老剂4070/RD并用胶的硫化速度最快,硫化胶的抗屈挠裂口性能、耐热老化性能、耐疲劳性能和耐热水抽提性能最优,耐日光老化性能相当于防老剂4020/RD和3100/RD硫化胶。
5)  heat aging property
耐热老化性能
1.
The influence of the EPDM/NR blending ratio and the multiplex curing system on the curing behavior,physical properties and heat aging property of blends was investigated.
采用硫黄硫化体系和过氧化物(硫化剂DCP)硫化体系对EPDM/NR并用胶实施复合交联,研究并用比和复合交联体系对胶料的硫化特性、物理性能和耐热老化性能的影响。
2.
The effect of TMTD on the curing behaviour,physical properties,heat aging property and permanent set at high temperature of CO/ECO was investigated.
研究促进剂TMTD用量对均聚型氯醚橡胶 (CO) /共聚型氯醚橡胶 (ECO )并用胶硫化特性、物理性能、耐热老化性能和高温压缩永久变形的影响。
6)  heat aging properties
耐热老化性能
1.
Influence of curing system on heat aging properties of EPDM;
硫化体系对EPDM耐热老化性能的影响
2.
In this work,the effect of blending ratios of CR/CIIR,curing systems,softening agent,the different kinds and dosages of carbon black on heat aging properties of vulcanized CR/CIIR blends was investigated in detail.
研究了共混比、硫化体系、炭黑品种及用量、软化剂种类等对CR/CIIR硫化胶耐热老化性能的影响。
参考词条
补充资料：加压空气热老化试验
分子式：
CAS号：

性质：在耐压热空气试验机中进行加速老化试验，以加热前后橡胶物理性能变化来考查橡胶的老化性能。试验在耐压容器中进行，空气压力一般选(0.55±0.02)MPa，试验时每100cm3耐压容器的容积只允许放置试样量不超过1g，在规定的温度下老化一段时间后，试样应置于平面冷至室温后再测定其物理性能。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。