Epoxy resin system for insitu rehabilitation of pipes

Details Epoxy resin system for insitu rehabilitation of pipes Epoxy resin system for insitu rehabilitation of pipes

1990-05-30

1992-01-14

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

528 94, 528111, C08L 6300

Patent

active

050811681

ABSTRACT:
An epoxy resin/curing agent composition is provided comprising (i) at least one liquid epoxy resin, (ii) a reactive epoxy-functional diluent, (iii) a thixotroping atent, (iv) a polyamide resin, (v) a polyalkylenediamine, and (vi) 2-ethyl-4-methyl imidazole or derivaties thereof. The composition is suitable for use in insitu coating and rehabilitation processes and can withstand service at elevated temperatures.

REFERENCES:
patent: 3945972 (1976-03-01), Sakamoto
patent: 4009063 (1977-02-01), Wood
patent: 4064211 (1977-12-01), Wood
patent: 4110313 (1978-08-01), Schulze et al.
patent: 4135958 (1979-01-01), Wood
patent: 4146700 (1979-03-01), Waddill et al.
patent: 4331582 (1982-05-01), Babayan
patent: 4528308 (1985-07-01), Waddill
patent: 4529537 (1985-07-01), Dockner et al.
patent: 4758454 (1988-07-01), Wood
Lee and Neville, Epoxy Resins, pp. 223-224.

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