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
1996-06-24
1998-04-14
Buttner, David
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...
524507, 525127, 525454, 525455, C09D15108, C09D17504
Patent
active
057391947
ABSTRACT:
Aqueous dispersions of urethane polymers and vinyl polymers (e.g., acrylics) are disclosed that provide water-based coating compositions with good adhesion following humidity exposure. The dispersion is predominately urethane, and the polyurethane is made from a first and a second polyisocyanate, the first polyisocyanate having at least one open carbon chain greater than six carbon atoms in length between two isocyanate groups, preferably at least eight carbon atoms in length. The vinyl monomers are polymerized in the presence of the aqueously dispersed polyurethane.
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Burgman John W.
Eifert Mary
Natesh Anbazhagan
Rosenberger Mary Ellen
Schimmel Karl F.
Buttner David
Millman Dennis G.
PPG Industries Inc.
Stachel Kenneth J.
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