PHENYLGLYCIDYL ETHER MODIFIED POLYOXYALKYLENEDIAMINES AND EPOXY RESIN COMPOSITION CONTAINING THE SAME

A series of polyoxyalkylene diamines modified with phenoxy groups is disclosed. This series of diamines is of the general formula: wherein R1 and R2 are independently hydrogen or an alkyl of 1 to 4 carbon atoms, R3 is a alkyl of 1 to 4 carbon atoms, Ph is phenyl, x ranges from 2 to 40, y ranges from...

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Bibliographische Detailangaben
Hauptverfasser: MAIKERU KASUKARIDA, JIYON MAIKERU RAAKIN, ROBAATO REROI JIMAAMAN, HARORUDO JIYOOJI UOTSUDEIRU
Format: Patent
Sprache:eng
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Zusammenfassung:A series of polyoxyalkylene diamines modified with phenoxy groups is disclosed. This series of diamines is of the general formula: wherein R1 and R2 are independently hydrogen or an alkyl of 1 to 4 carbon atoms, R3 is a alkyl of 1 to 4 carbon atoms, Ph is phenyl, x ranges from 2 to 40, y ranges from 1 to 20 and z ranges from 1 to 40. These diamines are cured with liquid epoxy resins. The cured resins demonstrated improved tensile strength and modulus, elongation and flexural strength and modulus over a commercially used curative. The diamines are also useful in RIM elastomers, in polyamides and as chain extenders in polyurethane foams.