Metal stabilizers for epoxy resins and advancement process
AssigneeDow Global Technologies LLC
InventorsRaymond J. Thibault, Michael J. Mullins
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Abstract
A process comprising: contacting a) an epoxy resin; b) a compound selected from the group consisting of a phenol-containing compound, an isocyanate-containing compound, and mixtures thereof and c) a stabilizer comprising a metal-containing compound, said metal-containing compound comprising a metal selected from the Group 11-13 metals and combinations thereof; in the presence of a catalyst in an advancement reaction zone under advancement reaction conditions to produce an advancement reaction product is disclosed.
Claims19
A process comprising:
- contacting
- a) an epoxy resin;
- b) a compound selected from the group consisting of a phenol-containing compound, an isocyanate-containing compound and mixtures thereof;
- c) a stabilizer comprising a metal-containing compound, said metal-containing compound comprising a metal selected from the Group 11-13 metals and combinations thereof;
- in the presence of a catalyst in an advancement reaction zone under advancement reaction conditions to produce an advancement reaction product.
A composition in accordance with claim 8 wherein said metal containing compound is selected from the group consisting of a zinc salt, zinc hydroxide, zinc oxide, zinc acetylacetonate, zinc dimethyldithiocarbamate and combinations of any two or more thereof.
A prepreg made from the varnish of claim 16.
An electrical laminate made from the varnish of claim 16.
Dependencies are inferred from the claim text.