Curing agents

Details Curing agents Curing agents

1998-09-28

2000-08-22

Dawson, Robert

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

540470, 540480, C08G 5968

Patent

active

061074373

ABSTRACT:
Curing agents for epoxy resins are provided in which an imidazole is substituted on the nitrogen atom by a long chain group. This provides greater latexing (stability) at ambient temperatures without adversely affecting curing properties at temperatures of 50.degree. C. upwards. Those components in which the chain is substituted by a hydroxy group on the 2 position are particularly preferred and are novel compounds.

REFERENCES:
patent: 3756984 (1973-09-01), Klaren et al.
patent: 3920678 (1975-11-01), Butula
patent: 4066625 (1978-01-01), Bolger
patent: 5169473 (1992-12-01), Bertram et al.
Ashcroft, W.R., "Curing Agents For Epoxy Resins," Chemistry and Technology of Epoxy Resins, pp. 36-71 (1992).

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