Crystallinity and Melting of Functionalized Poly(2,6-dimethyl-1,4-phenylene) oxide (PPO)

被引：0
|
作者：
Syed, Salman [1 ,2 ]
Nagendra, Baku [1 ,2 ]
Acocella, Maria Rosaria [1 ,2 ]
Daniel, Christophe [1 ,2 ]
Rizzo, Paola [1 ,2 ]
Tarallo, Oreste [3 ]
Guerra, Gaetano [1 ,2 ]
机构：
[1] Univ Salerno, Dipartimento Chim & Biol, I-84084 Fisciano, Italy
[2] Univ Salerno, INSTM Res Unit, I-84084 Fisciano, Italy
[3] Univ Naples Federico II, Dept Chem Sci, IT-80126 Naples, Italy
来源：
ACS APPLIED POLYMER MATERIALS | 2024年 / 6卷 / 13期
关键词：
Chloroacetylation; Co-crystalline polymer phases; Nanoporous-crystalline polymer phases; Melting temperature; Degree of crystallinity; WAXD; DSC; SULFONATED SYNDIOTACTIC POLYSTYRENE; NANOPOROUS-CRYSTALLINE; POLYMORPHIC BEHAVIOR; SINGLE-CRYSTALS; X-RAY; MEMBRANES; POLYMER; PHASES; FILMS; FORM;
D O I：
10.1021/acsapm.4c01314
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Co-crystalline and nanoporous-crystalline poly(2,6-dimethyl-1,4-phenylene) oxide (PPO) phases can be achieved for randomly functionalized PPO. In fact, WAXD, DSC, and FTIR studies show the presence of remarkable crystallinity in PPO films with chloroacetyl (-COCH2Cl) side groups up to 17 mol %. More surprisingly, polymer melting temperature remains constant in the range 244-246 degrees C up to a degree of functionalization of 12 mol %. This behavior is unprecedented in polymer science and can be rationalized by side-group inclusion in PPO intrahelical crystalline channels.
引用
收藏
页码：7840 / 7847
页数：8
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