Synthesis and characterization of terephthalamides from poly(ethylene terephthalate) waste

被引：45
|
作者：
Soni, RK [1 ]
Singh, S [1 ]
机构：
[1] Chaudhary Charan Singh Univ, Dept Chem, Meerut, Uttar Pradesh, India
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2005年 / 96卷 / 05期
关键词：
degradation; infrared spectroscopy; NMR; polyesters; recycling;
D O I：
10.1002/app.21502
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Poly(ethylene terephthalate) (PET) waste flakes (blow-molded-grade industrial waste) were degraded with aqueous methylamine and ammonia at room temperature in the presence and absence of quaternary ammonium salt as a catalyst for various times. The catalyst reduced the time required for the degradation of the PET waste. The degraded products were analyzed with IR, nuclear magnetic resonance, mass spectrometry, and differential thermal analysis and were characterized as N,N'-dimethylterephthalamide and terephthalamide in the case of methylamine and ammonia, respectively. (c) 2005 Wiley Periodicals, Inc.
引用
收藏
页码：1515 / 1528
页数：14
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