4,4-prime,5,5-prime Dioxydiphthalic dianhydride, a new polyimide monomer
4,4-prime,5,5-prime Dioxydiphthalic dianhydride (DODA), a new monomer for the synthesis of polyimide resins, was prepared by the action of a base on a 4,5-dihalophthalic anhydride in a polar aprotic solvent. Both potassium carbonate and a combination of potassium fluoride and water have afforded DOD...
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| Veröffentlicht in: | High performance polymers 1994-06, Vol.6 (2), p.155-163 |
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| container_title | High performance polymers |
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| creator | Schwartz, Willis T Cocoman, Mary K Stults, Jeffrey S Dinan, Frank J |
| description | 4,4-prime,5,5-prime Dioxydiphthalic dianhydride (DODA), a new monomer for the synthesis of polyimide resins, was prepared by the action of a base on a 4,5-dihalophthalic anhydride in a polar aprotic solvent. Both potassium carbonate and a combination of potassium fluoride and water have afforded DODA in a high-yielding single-step reaction. The product was purified by crystallization of its di-n-butyl ester. A variety of polyimides and copolyimides incorporating DODA were prepared, and afforded creasable films having good physical properties. (Author) |
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Both potassium carbonate and a combination of potassium fluoride and water have afforded DODA in a high-yielding single-step reaction. The product was purified by crystallization of its di-n-butyl ester. A variety of polyimides and copolyimides incorporating DODA were prepared, and afforded creasable films having good physical properties. 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Both potassium carbonate and a combination of potassium fluoride and water have afforded DODA in a high-yielding single-step reaction. The product was purified by crystallization of its di-n-butyl ester. A variety of polyimides and copolyimides incorporating DODA were prepared, and afforded creasable films having good physical properties. 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| identifier | ISSN: 0954-0083 |
| ispartof | High performance polymers, 1994-06, Vol.6 (2), p.155-163 |
| issn | 0954-0083 |
| language | eng |
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| source | SAGE Journals |
| title | 4,4-prime,5,5-prime Dioxydiphthalic dianhydride, a new polyimide monomer |
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