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
1985-11-06
1986-11-11
Welsh, Maurice 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...
427154, 427155, 524539, 524591, 524871, 524872, 524873, 524874, 524875, C08L 7504
Patent
active
046223606
ABSTRACT:
Removable water-borne urethane resin coating composition comprising polyurethane resin containing carboxyl groups and/or carboxylate groups and polyvalent metal complex as a cross-linking agent and method for removing the coating formed by using the removable water-borne urethane resin coating composition which comprises treating said coating with a ligand containing alkaline solution and removing the coating.
The coating formed by using the composition is superior in water resistance, recoatability, detergent resistance, black heel mark resistance, abrasion resistance and service life.
REFERENCES:
patent: 4172191 (1979-10-01), Nachtkamp et al.
patent: 4385097 (1983-05-01), Isozaki et al.
patent: 4460738 (1984-07-01), Frentzel et al.
patent: 4558090 (1985-12-01), Drexler et al.
Aoyama Ichiro
Gomi Tadashi
Sakata Kenji
Sono Nobuo
Mitsui Toatsu Chemical Inc.
Welsh Maurice J.
Yuho Chemicals Inc.
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