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
1998-03-17
Niland, Patrick
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...
524539, 524839, 524840, C08J 300, C08K 320, C08L 7500
Patent
active
057287694
ABSTRACT:
Aqueous dispersions of urethane polymers are disclosed that provide water-based coating compositions with good adhesion following humidity exposure. 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 dispersion is particularly useful as a binder resin in coating compositions having pigments that normally have a detrimental effect on adhesion.
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Natesh Anbazhagan
Rosenberger Mary Ellen
Swarup Shanti
Millman Dennis G.
Niland Patrick
PPG Industries Inc.
Stachel Kenneth J.
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