Highly Improved Thermal Properties of Hydroxyl-Containing Polymers via Modification by Benzoxazine Groups

被引：25

作者：

Chiou, Kevin ^{[1
]}

Hollanger, Erin ^{[1
]}

Agag, Tarek ^{[1
]}

Ishida, Hatsuo ^{[1
]}

机构：

[1] Case Western Reserve Univ, Dept Macromol Sci & Engn, Cleveland, OH 44106 USA

来源：

MACROMOLECULAR CHEMISTRY AND PHYSICS | 2013年 / 214卷 / 14期

关键词：

benzoxazine; cross-linking agents; glycerol; poly(vinyl alcohol); renewable resources; MAIN-CHAIN; CLICK CHEMISTRY; BIODIESEL PRODUCTION; PHENOLIC RESINS; CROSS-LINKING; EPOXY-RESIN; POLYBENZOXAZINES; POLYMERIZATION; POLYSTYRENE; THERMOSETS;

D O I：

10.1002/macp.201300032

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Isocyanate functional benzoxazine (NCO-4HBA-a) is used for coupling with hydroxyl-group-containing molecules. Glycerol is used in a model reaction to study the urethane bonds formed between the NCO-4HBA-a and the glycerol's hydroxyl groups. The model supports a reaction between NCO-4HBA-a and poly(vinyl alcohol) (PVA), which leads to an improved char yield, determined by thermogravimetric analysis. Glycerol-based benzoxazine is also an attractive benzoxazine synthesized from the products of biofuel production. Upon functionalization with benzoxazine and subsequent thermal treatment, the hydroxyl-containing polymer gains thermal stability shown by improved char yield of polybenzoxazine cross-linked PVA.

引用

页码：1629 / 1635

页数：7

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