Epoxy resins based on tetraglycidyl diamines

Details Epoxy resins based on tetraglycidyl diamines Epoxy resins based on tetraglycidyl diamines

1987-08-13

1990-01-02

Kight, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525396, 525484, 528 98, 528 99, 528121, 528220, 528331, 528361, 528370, 528407, 528417, 528418, C08G 5928

Patent

active

048914088

ABSTRACT:
Novel tetraglycidates have the formula ##STR1## wherein R.sup.1 and R.sup.2 are independently hydrogen, alkyl of 1 to 8 carbon atoms, perfluoroalkyl, or cycloalkylidene of 5 to 7 carbon atoms. Epoxy resin systems exhibiting good tensile properties and moisture sensitivity can be made by copolymerizing the tetraglycidates with a polyamine curing agent. Prepregs can be made by combining the epoxy resin systems with a fiber reinforcement. The epoxy resin system may include a co-epoxide.

REFERENCES:
patent: 2884406 (1959-04-01), Wegler et al.
patent: 3312664 (1967-04-01), Bremmer
patent: 4161588 (1979-07-01), Green et al.
patent: 4451645 (1984-05-01), Johncock
patent: 4560739 (1985-12-01), Zahir
patent: 4673764 (1987-06-01), Bertram et al.
patent: 4721799 (1988-01-01), Newman-Evans

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