Molding resin composition

Details Molding resin composition Molding resin composition

1987-12-28

1988-12-13

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523458, 524 90, C08K 535

Patent

active

047911530

ABSTRACT:
A molding resin composition for preparing molded pieces which are suited to laser masking. The composition comprises a thermosetting resin, a curing agent, an inorganic white filler and 0.1 to 3% by weight of a coloring agent represented by the formula (I) ##STR1## wherein R.sub.1 and R.sub.2 are each hydrogen, halogen, C.sub.1 -C.sub.8 alkyl, substituted or unsubstituted sulfonamido or SO.sub.2 CH.sub.3 ; R.sub.3 and R.sub.4 are each hydrogen, C.sub.1 -C.sub.8 alkyl, or substituted or unsubstituted carbonamido; M is Cr, Fe or Co; and A is H, NH.sub.4, ammonium ion of a primary, secondary or tertiary amine or quaternary ammonium ion.

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