CPC C09D 163/00 (2013.01) [B29C 39/003 (2013.01); B29C 39/18 (2013.01); C09D 7/41 (2018.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01); H02G 1/145 (2013.01); H02G 15/08 (2013.01); B29K 2063/00 (2013.01); B29K 2105/0032 (2013.01); B29K 2505/02 (2013.01); B29L 2031/3462 (2013.01)] | 18 Claims |
1. A curable casting resin precursor, comprising
(a) a first part (A) comprising:
(a1) at least one epoxy resin;
(b) a second part (B) comprising:
(b1) at least one first amine-based epoxy curing agent selected from a phenalkamine,
the phenalkamine being a reaction product of cardanol, formaldehyde and an amine, and
the phenalkamine being present in an amount of 10 to 45 wt % with respect to the weight of the second part (B);
(b2) optionally, at least one second amine-based epoxy curing agent, if present, the at least one second amine-based epoxy curing agent being present in an amount of 1.5 to 10 wt % with respect to the weight of the second part (B);
(b3) at least one mineral filler;
(b4) at least one phenolic lipid; and
at least one triphenylmethane dye,
wherein the at least one triphenylmethane dye is within the first part (A) and/or the second part (B).
|