Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From ketone or ketene reactant
Patent
1997-08-05
1999-08-17
Hampton-Hightower, P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From ketone or ketene reactant
526308, 526310, 526312, 524 96, 524247, 524249, 524314, 524521, 427379, C08L 7900, C08L10100, C09D 502, C08K 500
Patent
active
059395141
ABSTRACT:
The present invention relates to the preparation of water based coating compositions having extended storage stability. The composition includes separately stored polymeric binder component and a crosslinking component.
These components are mixed prior to application over surfaces, such as, road surfaces. The polymeric binder component includes an anionically stabilized binder polymer having at least one reactive functional pendent moiety, or a blend of the binder polymer with a polyfunctional amine. The pot mix of the coating composition has extended storage stability. The waterborne road marking paints of the present invention exhibit improved wear resistance on road surfaces in terms of paint remaining on the road longer than waterborne road marking paints based on the storage stable component alone. The present invention provides road marking paints that can be applied by conventional road striping equipment and do not require special two component spray equipment.
REFERENCES:
patent: 4812493 (1989-03-01), Cummings
patent: 5340870 (1994-08-01), Clinnin et al.
patent: 5527853 (1996-06-01), Landy et al.
"Traffic Paint Cost & Formula Characteristics, White Cloud Safe Yellow R-PY65M and White Cloud 30", Sino-American Pigment Systems, Inc., Emeryville, CA. The publication date is not available.
Chen, M.J., et al., "Epoxy Silanes in Reactive Polymer Emulsions," Journal of Coatings Technology, vol. 69, No. 875, Dec. 1977, pp. 49-55. The publication date is not available.
Brown Ward Thomas
Hermes Ann Robertson
Landy Francis Joseph
Schall Donald Craig
Hampton-Hightower P.
Rohm and Haas Company
Sun Hsiang-ning
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