• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Applied Polymer Science >Enzymatic oxidative polymerization of pyrogallic acid for preparation of hindered phenol antioxidant
【24h】

Enzymatic oxidative polymerization of pyrogallic acid for preparation of hindered phenol antioxidant

机译：焦没食子酸的酶氧化聚合制备受阻酚抗氧剂。

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A novel antioxidant with high molecular weight was successfully synthesized via horseradish peroxide-catalyzed oxidative polymerization of pyrogallic acid. As-synthesized poly(pyrogallic acid), a black powder completely soluble in common organic solvents, has a number-averaged molecular weight of about several thousand and consists of phenylene and oxyphenylene units. Besides, as-prepared poly(pyrogallic acid) exhibits much better thermal stability and antioxidant capacity than butylated hydroxyanisole (denoted as BHA) and butylated hydroxytoluene (denoted as BHT), two kinds of commercial antioxidants. And it was also found that the higher phenolic content the pyrogallic acid polymer possess, the better antioxidant activity the poly(pyrogallic acid) shows. More importantly, poly(pyrogallic acid) could effectively inhibit the oxidation degradation of polypropylene (denoted as PP) during plastic processing. (c) 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41591.
机译：通过辣根过氧化氢催化邻苯三甲酸的氧化聚合，成功合成了一种新型的高分子量抗氧化剂。合成后的聚（邻苯二甲酸）是一种黑色粉末，完全溶于常见的有机溶剂，其数均分子量约为数千，由亚苯基和氧亚苯基单元组成。此外，所制备的聚（邻苯二甲酸）比两种商业抗氧化剂丁基化羟基茴香醚（表示为BHA）和丁基化羟基甲苯（表示为BHT）具有更好的热稳定性和抗氧化能力。并且还发现，焦金属酸聚合物具有的酚含量越高，聚（邻苯二甲酸）显示出更好的抗氧化活性。更重要的是，聚邻苯二甲酸在塑料加工过程中可以有效地抑制聚丙烯（表示为PP）的氧化降解。 （c）2014 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，41591。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号