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Property Enhancement of Polybenzoxazine Modified with Maleic Anhydride |
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| รหัสดีโอไอ | |
| Creator | Wareerat PUNUCH,Manunya OKHAWILAI,Sarawut RIMDUSIT |
| Title | Property Enhancement of Polybenzoxazine Modified with Maleic Anhydride |
| Publisher | Metallurgy and Materials Science Research Institute, Chulalongkorn University |
| Publication Year | 2557 |
| Journal Title | Journal of Metals, Materials and Minerals |
| Journal Vol. | 24 |
| Journal No. | 1 |
| Page no. | 27-31 |
| Keyword | Polybenzoxazine,Anhydride,Alloy,Thermomechanical Properties |
| ISSN | 8576149 |
| Abstract | One seemingly shortcoming of polybenzoxazine is its relatively high rigidity. Therefore, various efforts have been attempted to toughen polybenzoxazine such as by alloying with more flexible monomers or polymers e.g. urethane elastomers or flexible epoxy. The alloying of polybenzoxazine with those resins or polymers has been reported to show synergy in some properties thus economically provide a novel class of resin systems with superior performance.(1-4) In this work, polybenzoxazine alloys were prepared from bisphenol-A-aniline based benzoxazine resin (BA-a) and maleic anhydride (MA) in N, NDimethyformamide (DMF) solvent. The miscible monomer mixture was easily transformed into transparent polymer alloys by thermal cure. Fourier transform infrared spectroscopy showed that the chemical interaction between hydroxyl groups of poly(BA-a) and the carbonyl group of MA occurred and generated ester linkages, resulting in a more flexibility in poly(BA-a):MA alloys. The thermomechanical properties of poly(BA-a):MA alloys and the neat poly(BA-a) were characterized by dynamic mechanical analysis (DMA). The result revealed that storage modulus (E |
