Use of polyamidoamines as curing agents for epoxy resins and cur

Details Use of polyamidoamines as curing agents for epoxy resins and cur Use of polyamidoamines as curing agents for epoxy resins and cur

1990-01-16

1991-05-21

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528341, 525504, 523420, C08G 5940, C08G 5962, C08G 6500

Patent

active

050176757

ABSTRACT:
Use of polyamidoamines as curing agents for epoxy resins and curable mixtures containing these substances.
The invention relates to the use of polyamidoamines (A) containing primary and/or secondary amino groups as curing agents for epoxy-containing compounds (B), wherein the polyamidoamines (A) used are those compounds which have been obtained by polycondensation of (a) compounds from the group of dicarboxylic acids containing oxyalkylene groups, or derivatives thereof (esters), with (b) polyamines containing at least two amino groups which are condensable with (a).
The invention furthermore relates to curable mixtures containing the abovementioned components (A) and (B). The cured products obtainable according to the invention have advantages with regard to impact strength and shock resistance, to flexibility even at relatively low temperatures and crack-bridging properties.

REFERENCES:
patent: 3257342 (1966-06-01), Kwong

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