Phenyl glycidyl ether modified polyoxyalkylene diamines and epox

Details Phenyl glycidyl ether modified polyoxyalkylene diamines and epox Phenyl glycidyl ether modified polyoxyalkylene diamines and epox

1986-07-31

1989-04-25

Hines, Robert V.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564346, 528 87, C07C 9306

Patent

active

048250007

ABSTRACT:
A series of polyoxyalkylene diamines modified with phenoxy groups is disclosed. This series of diamines is of the general formula: ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen or an alkyl of 1 to 4 carbon atoms, R.sub.3 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.

REFERENCES:
patent: 2681901 (1954-06-01), Wiles et al.
patent: 2839480 (1958-06-01), Ott et al.
patent: 3222300 (1965-12-01), Loew
patent: 3236895 (1966-02-01), Lee et al.
patent: 3654370 (1972-04-01), Yeakey
patent: 3875072 (1975-04-01), Waddill
patent: 4766245 (1988-08-01), Larkin et al.

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