Process for hardening epoxide resin masses and a hardener soluti

Details Process for hardening epoxide resin masses and a hardener soluti Process for hardening epoxide resin masses and a hardener soluti

1986-03-21

1987-11-10

Nielsen, Earl

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528119, 528120, 528123, 528407, 252182, C08G 5956

Patent

active

047058420

ABSTRACT:
The present invention provides a process for hardening epoxide resin masses, wherein there is added a solution of dicyandiamide and cyanamide in a weight ratio of from 0 to 10:1 in at least one organic solvent.
The present invention also provides a hardener solution for epoxide resin masses, consisting of dicyandiamide and cyanamide in a weight ratio of 0 to 10:1 and at least one organic solvent.

REFERENCES:
patent: 2637715 (1953-05-01), Ott
patent: 3391113 (1968-07-01), Lopez
patent: 4032358 (1977-06-01), Hussain
patent: 4140658 (1979-02-01), Seltzer
patent: 4168364 (1979-09-01), Seltzer et al.
patent: 4202920 (1980-05-01), Renner et al.
patent: 4384084 (1983-05-01), Lohse et al.
patent: 4414377 (1983-11-01), Andrews
patent: 4435549 (1984-03-01), Lin
Gilbert et al., "Cure of Epoxies by Dicyandiamide and Cyanamide", Polymer Preprints (A.C.S. Div. Poly. Chem.) 25(2), 203-4 (1984).

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