Curable epoxide resin mixtures containing diaminopropanes

Details Curable epoxide resin mixtures containing diaminopropanes Curable epoxide resin mixtures containing diaminopropanes

1977-12-02

1980-03-18

Nielsen, Earl A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 318E, 260 332EP, 260 37EP, 528 88, 528 93, 528100, 528103, 528104, 528111, 528124, 528361, 528367, 528407, 525507, C08G 5950

Patent

active

041939050

ABSTRACT:
Curable mixtures comprising a polyepoxide compound having on average more than one epoxide group per molecule and a 1,3-diaminopropane of the formula ##STR1## wherein R.sup.1 denotes hydrogen and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each denote an alkyl having 1 to 12 C atoms, a phenyl or a heterocyclic 5-membered or 6-membered radical, or wherein R.sup.1 and R.sup.2 together with the C atom in the .alpha.-position of the propylenediamine from a substituted or unsubstituted aliphatic 5-membered or 6-membered ring having at most 12 C atoms and R.sup.3 and R.sup.4 together with the two C atoms in the .alpha.-position and the .beta.-position of the propylenediamine form a substituted or unsubstituted aliphatic or N-heterocyclic 5-membered or 6-membered ring having at most 12 C atoms, said mixtures containing 0.5 to 1.5 equivalents of active hydrogen atoms, bonded to nitrogen, in the 1,3-diaminopropane per 1 equivalent of epoxide groups in the epoxide compound. The curable mixtures are valuable casting resins and adhesives and are suitable for the preparation of storable B-stage resins.

REFERENCES:
patent: 2839480 (1958-06-01), Ott et al.
patent: 3303165 (1967-02-01), Wallis et al.
Lee & Neville, "Handbook of Epoxy Resins," McGraw-Hill, 2nd Ed., 1967, pp. 7-2 to 7-5 and 7-15 to 7-16.

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