Fast Bulk Depolymerization of Polymethacrylates by ATRP

被引：50
作者：
Bossa, Ferdinando De Luca [1 ]
Yilmaz, Gorkem [1 ]
Matyjaszewski, Krzysztof [1 ]
机构：
[1] Carnegie Mellon Univ, Dept Chem, Pittsburgh, PA 15213 USA
来源：
ACS MACRO LETTERS | 2023年 / 12卷 / 08期
基金：
美国国家科学基金会;
关键词：
DEGRADATION; KINETICS; POLYMERS;
D O I：
10.1021/acsmacrolett.3c00389
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Fast bulk depolymerizationof poly(n-butyl methacrylate)and poly(methyl methacrylate), prepared by atom transfer radical polymerization(ATRP), is reported in the temperature range between 150 and 230 & DEG;C.Depolymerization of Cl-terminated polymethacrylates was catalyzedby a CuCl2/TPMA complex (0.022 or 0.22 equiv vs P-Cl) andwas studied using TGA, also under isothermal conditions. Relativelyrapid 5-20 min depolymerization was observed at 230 and 180 & DEG;C. The preparative scale reactions were carried out using ashort-path distillation setup with up to 84% depolymerization within15 min at 230 & DEG;C.
引用
收藏
页码：1173 / 1178
页数：6
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