Untersuchung thermischer und oxidativer Alterungsprozesse von Elastomeren : Verbrauch von p-Phenylendiaminen mit der Chemilumineszenz

Untersuchung thermischer und oxidativer Alterungsprozesse von Elastomeren : Verbrauch von p-Phenylendiaminen mit der Chemilumineszenz
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热敏和氧化的研究 弹性体的改变过程:化学发光中对苯二胺的说明

DOI:
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发表时间:
2008
期刊:
影响因子:
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通讯作者:
R. Schuster
R. Schuster
中科院分区:
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文献类型:
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作者:
M. Santoso;Y. N. Torrejon;U. Giese;R. Schuster

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采用化学发光(CL)方法研究了二烯橡胶的热氧化老化行为。对未固化和固化NR老化反应的动力学测量证实了加工引起的预老化效应。OIT值与老化过程中的力学数据具有良好的相关性。进一步研究了对苯二胺作为抗氧化剂对BR的保护作用及其结构。此外,用CL和GC-MS评价了6PPD在老化过程中的降解情况。
The thermal oxidative aging behavior of diene-rubbers was investigated using the chemiluminescence (CL) method. The kinetic measurements of the aging reaction on uncured and cured NR justify a pre-aging effect caused by processing. The OIT values are correlating well with mechanical data during aging. Furthermore the protection effect of p-phenylene diamines related to their structure as antioxidants in BR was investigated. The degradation of 6PPD during aging is moreover evaluated by CL and GC-MS.