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
1995-12-07
1998-01-06
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...
524591, 524839, 524840, 525123, 525455, C08J 300, C08K 320, C08L 7500, C08F 830
Patent
active
057055572
ABSTRACT:
A one-component aqueous coating system comprising (A) a hydrophilic polyacrylate polyol or polyesterpolyol containing at least one hydroxyl group, (B) a polyisocyanate which is water resistant at room temperature or a blocked polyisocyanate, (C) optionally a pigment or a conventional paint auxiliary, such as an antifoam, a levelling agent, a catalyst or a thixotropic agent, and a further reactive additive component (D), in a quantity of from 2 to 20% by weight, based on the overall solids content of (A), (B) and (D), the additive component (D) being characterized in that it contains at least one reactive OH, NH, NH.sub.2 or SH group and has a functionality of at least 1.5 to 3.0 relative to the crosslinking agent (B), a solubility in water of below 2% by weight and a molecular weight of 500-2000 g/mol.
REFERENCES:
patent: 4103050 (1978-07-01), Laskin et al.
patent: 4419407 (1983-12-01), Picirrilli et al.
Odian, George, Principles of Polymerization, 2nd ed., 1981, pp. 20-25.
Lange Hartwig
Ortelt Martina
Huels Aktiengesellschaft
Niland Patrick
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