Compostion of epoxy resin, phenol-triazine-aldehyde condensate a

Details Compostion of epoxy resin, phenol-triazine-aldehyde condensate a Compostion of epoxy resin, phenol-triazine-aldehyde condensate a

1998-04-17

2000-10-17

Sellers, Robert E.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

428413, 428416, 428901, 523207, 525 65, C08K 910, C08L 6302, C08L 6304, B32B 2738

Patent

active

061333778

ABSTRACT:
The present invention provides an epoxy resin composition comprising: (a) an epoxy resin having two or more epoxy groups in each molecule; (b) a phenolic resin composition comprising a condensation product of: (i) a phenol; (ii) a compound having a triazine ring; and (iii) an aldehyde, the mixture or condensation product being substantially free from any unreacted aldehydes, or methylol groups; (c) a rubber component; and (d) a curing accelerator. The epoxy resin composition has minute protrusions having a maximum height (Ry) .ltoreq.1.0 .mu.m, formed on its surface by thermosetting at or above 80.degree. C. The invention also provides a process for manufacturing a multilayer printed-wiring board of the build-up type which has a formed copper plating layer.

REFERENCES:
patent: 4988780 (1991-01-01), Das et al.
patent: 5874009 (1999-02-01), Inada et al.
patent: 5965269 (1999-10-01), Inada et al.

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