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
1984-12-07
1986-08-26
Ivy, C. Warren
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...
524840, C08L 7508, C08L 7506, C08K 320, C09D 372
Patent
active
046084134
ABSTRACT:
The present invention is directed to aqueous stoving lacquers containing pigments or fillers wherein the binders are based on combinations of (a) polyurethane prepolymers containing partly or completely neutralized carboxyl groups and blocked isocyanate groups and (b) polyurethane prepolymers containing free hydroxyl groups and partly or completely neutralized carboxyl groups. The binder components are further characterized by polyester and polyether segments, each being present in amounts of greater than 10% by weight.
The present invention is also directed to films and coatings prepared from these aqueous stoving lacquers.
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Nachtkamp Klaus
Noble Karl-Ludwig
Schwindt Jurgen
Stahl Hans-Georg
Bayer Aktiengesellschaft
Gil Joseph C.
Harsh Gene
Ivy C. Warren
Roy Thomas W.
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