C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/279, 96/30,
C08F 120/10 (2006.01) C08F 20/30 (2006.01) C08F 290/06 (2006.01) C08L 63/10 (2006.01) C09D 11/10 (2006.01) G03F 7/032 (2006.01) H01B 3/44 (2006.01) H05K 3/10 (2006.01)
Patent
CA 1049691
ABSTRACT OF THE DISCLOSURE Highly durable coatings are formed by the photo- polymerization of screen printing inks containing aryloxyalkyl acrylate monomers or prepolymers, a polymerizable diluent and a free-radical initiating system, such inks having a viscosity of 5,000 to 200,000 centipoises and a thixotropic index of from 1 to 6. The photopolymerizable inks are useful for coating substrates, such as printed circuits, and serve as solder masks and resists for electroless plating, electroplating and etching.
227687
Custer Walter D.
Gilano Michael N.
Knoth Dale W.
Lipson Melvin A.
Dynachem Corporation
Na
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