Traffic paint method and composition

DETAILED DESCRIPTION OF THE INVENTION We have now discovered a group of paint composition which may be applied at ambient temperatures to a road surface without the use of heating the paint itself and/or the road surface, or the addition of drop-on or intermixed glass spheres to reduce the drying time, which composition after it is applied dries to a no-tracking condition in a period of about 20 to about 60 seconds generally of a thickness of between 0.
018 and 0.
015 mils measured in the wet condition.
The road marking compositions according to the present invention comprise the following essential ingredients, expressed in parts or percentage by weight:
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resin binder 16-22
pigment(s) 47-48
pigment volume
concentration (PVC) 46-59
solvent system:
boiling point 190-141.
degree.
F.

5-11
boiling point 140-106.
degree.
F.

12-17
boiling point 105-90.
degree.
F.

2-28
boiling point greater
than 225.
degree.
F.
0-12
solids content (total
non-volatile) 67.
5-75.
5
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Our invention also includes various methods for applying these novel compositions to a road surface to provide direction and color markings thereon.
Preferred formulations include, expressed in percentage:
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resin binder
18-22 as alkyd resin, chlorinated
rubber and chlorinated paraffin
solids.

pigment(s)
47-49 as total pigment
solvent 29.
5-32.
0 ranging from 104.
degree.
F.
(40.
degree.
C)
to 293.
degree.
F.
(145.
degree.
C)
total solids
68.
0-70.
5
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The compositions of the present invention exhibit a degree of flexibility vastly improved over similar properties exhibited by prior road marking compositions