2) anti-reversion
抗硫化返原性能
1.
The results showed that the sulfur/LaDiPDP curing stytem obviously improved the vulcanization rate and anti-reversion property of NR compound;the curing rate and curing state were increased as the addition level of LaDiPDP increased;the curing temperature could be enhanced up to 160 ℃.
与常用促进剂BZ,TMTD,DM和NOBS相比,促进剂LaDiPDP具有适中的硫化速度和较好的抗硫化返原性能。
2.
The results showed that the dynamic properties,especially the anti-reversion of vulcanizate improved by adding anti-recovery agent PK900 in shoulder pad without any adverse effect on curing behaviour of rubber compound and physical properties of vulcanizate.
结果表明,在胎肩垫胶中加入抗硫化返原剂PK900,可以明显提高胶料的抗硫化返原性能,改善硫化胶的动态性能,对胶料的硫化特性和硫化胶的物理性能无明显影响。
3.
)The results showed that M_H of rubber compound increased and the heat build-up decreased by adding anti-recovery agent Z500;at the same time the anti-reversion and the main physical properties of vulcanizate,especially the heat aging property and compression fatigue property of overcured vulcanizate improved.
结果表明,加入抗硫化返原剂Z500,可以增大胶料的MH,降低胶料生热,改善胶料的抗硫化返原性能,提高硫化胶的主要物理性能、过硫化胶的耐热老化性能及压缩疲劳性能。
3) anti-reversion
抗硫化返原性
1.
The results showed that the processibility of rubber compound was significantly improved,at the same time the anti-reversion was increased,the energy consumption was decreased without affecting the physical properties of vulcanizate by adding anyone of the said processing aids.
该类加工助剂对改善橡胶的加工特性有显著的效果 ,同时可提高抗硫化返原性 ,降低能耗 ,对硫化胶物理性能影响不大 ,是一种综合效果较好的加工助
5) anti-reversion agents
抗返原剂
1.
The experimental results showed that the effect of anti-reversion agents followed the order Si69>ZDT/S>PDM in the NR vulcanizates.
试验比较了抗返原剂Si69、PDM、ZDT/S对半有效硫化体系硫化NR硫化胶的硫化特性、力学性能和动态性能的影响。
6) overcure-reversion
硫化返原性
1.
The results show that the addition of struktol A-73 to the compound has the following advantages: improved overcure-reversion resistance and thermal stability, Increasead efficiency of vulcanizaimproved dynamic performance, lower heat build-up and compression set, freefrom thepotential pollution of nitrosamine, minimal adverse effect on the adhesion with steel cord after aging.
研究了活化剂StruktolA-73在天然橡胶及天然橡胶与丁苯橡胶并用胶中的应用特性,结果表明:胶料中加入StruktolA-73可改善胶料的抗硫化返原性和热稳定性;提高胶料的硫化效率;改进胶料的动态性能;降低胶料的生热和压缩永久变形;与噻唑类硫化促进体系并用,无亚硝胺污染环境的危险;对钢丝粘合性能造成的影响,在胶料老化之后即可降至最小;混炼工艺性能良好。
补充资料:抗返原性
分子式:
CAS号:
性质:橡胶以过高的超常规温度长时间硫化时,硫化胶的交联键发生破坏,橡胶大分子链发生断裂,导致强力等物理性能明显下降的现象称为硫化返原性。对胶料返原性影响最大的因素是硫化体系。实验证明,采用低硫黄高促进剂的硫化体系比常规硫化体系有较好的抗高温硫化返原性。不采用过高的硫化温度,不仅可避免硫化胶的返原性,还可获得平坦硫化的效果。
CAS号:
性质:橡胶以过高的超常规温度长时间硫化时,硫化胶的交联键发生破坏,橡胶大分子链发生断裂,导致强力等物理性能明显下降的现象称为硫化返原性。对胶料返原性影响最大的因素是硫化体系。实验证明,采用低硫黄高促进剂的硫化体系比常规硫化体系有较好的抗高温硫化返原性。不采用过高的硫化温度,不仅可避免硫化胶的返原性,还可获得平坦硫化的效果。
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