Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1994-03-31
1996-08-20
Cain, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524449, 524451, C08L 7500
Patent
active
055480160
ABSTRACT:
A primer composition for adhering a topcoat to a flexible plastic substrate includes a blend of acrylic and urethane resins, and pigments dispersed in a water based solvent system. About 10 to about 20 percent of the resins are polyurethene by weight, the balance of the resins consisting essentially of acrylic polymers. The composition consists of from about 15 to 30 percent resins, and from about 20 to about 35 percent pigments by weight, and has a total solids content of from about 35 to about 70 percent. The water based solvent system is primarily water, but contains water-miscible organic components which provide for rapid drying, and good coalescing and film forming properties, while minimizing volatile organic content. The compositions dry rapidly at ambient conditions upon application to flexible plastic substrates to provide a continuous, flexible film which exhibits excellent adhesion with the substrate and with subsequently applied topcoats.
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Cain Edward J.
Dureska David P.
Evanina Gunther J.
Laferty Samuel B.
Tremco Inc.
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