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
1995-08-22
1999-06-15
Niland, Patrick D.
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, C08L 5100
Patent
active
059122986
ABSTRACT:
Compositions for floor polish. Specifically, a composition for floor polish made by the two-step process including the steps of (1) providing water-borne polyurethane resin, preferably having 2-20 acid functional groups per urethane and having an acid value of 15-200 and a molecular weight of 10,000 to 1,000,000, and (2) reacting the polyurethane resin with a calcium compound, not complexed with amines or ammonia, in an amount sufficient to form 0.05 to 0.9 chemical equivalents of calcium crosslinkages relative to the acid functional groups of the polyurethane resin. The invention also includes a floor polish made by a three-step process including the steps of (1) providing an emulsion of a water-borne polyurethane resin as described above, (2) adjusting the pH of the emulsion to a pH value within the range of 4.5 to 9 by adding a base to the emulsion, and (3) reacting the water-borne polyurethane resin with a calcium compound as described above. The floor polish according the present invention has a number of superior properties, including gloss, recoatability, removability, detergent resistance, wear resistance and heal mark resistance.
REFERENCES:
patent: 4017662 (1977-04-01), Gehman et al.
patent: 4622360 (1986-11-01), Gomi et al.
patent: 5319018 (1994-06-01), Owens et al.
patent: 5541265 (1996-07-01), Gomi et al.
Odian, G., Principles of Polymerization, 1981, pp. 20-25 and 279-281.
Gomi Tadashi
Nakahara Kazunori
Nakamura Ken'ichi
Yanase Etsuko
Niland Patrick D.
Yuho Chemicals Inc.
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