中国塑料 ›› 2022, Vol. 36 ›› Issue (1): 73-77.DOI: 10.19491/j.issn.1001-9278.2022.01.011

• 材料与性能 • 上一篇    下一篇

低黄变复配抗氧体系对PE⁃HD发黄问题改善评价

王琳()   

  1. 北京燕山石化高科技术有限责任公司,北京 102500
  • 收稿日期:2021-08-04 出版日期:2022-01-26 发布日期:2022-01-21
  • 作者简介:王琳(1988—)女,工程师,现主要从事合成树脂加工应用研究工作,wanglin03.yssh@sinopec.com

Evaluation on anti⁃yellowing enhancement of PE⁃HD using a low yellowing compound antioxidant system

WANG Lin()   

  1. Beijing Yanshan Petrochemical High?Tech Company Limited,Beijing 102500,China
  • Received:2021-08-04 Online:2022-01-26 Published:2022-01-21

摘要:

就巴斯夫公司研制的低黄变复配抗氧体系A对高密度聚乙烯(PE?HD)发黄问题的改善效果进行了评价,分别进行了抗黄、抗氧及加工稳定性的研究。结果表明,巴斯夫公司的抗氧体系A在抗黄方面效果较好,使用其推荐用量及双倍用量后,产品发黄程度均较低,且多次挤出后黄色指数变化不大,但其抗氧化效果较差;通过减少抗氧剂1010的含量亦可改善产品发黄问题。

关键词: 高密度聚乙烯, 低黄变, 抗氧剂

Abstract:

The enhancement effect of BASF low yellowing compound antioxidant system A on the anti?yellowing of PE?HD was evaluated, and their anti?yellowing, anti?oxygen and processing stability were investigated intensively. The results indicated that BASF antioxidant system A had a better anti?yellowing effect than normal antioxidant systems. After using the recommended dosage and double dosage, the yellowing degree of the product was low, and its yellow index changed little after multiple extrusion. However, its anti?oxidation effect was poor. The problem of yellowing can be resolved through reducing the content of antioxidant 1010.

Key words: high?density polyethylene, low yellowing, antioxidant

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