PAVEMENT MARKING PAINTS: TWO STUDIES

THE FIRST STUDY REPORTED INVOLVED THE PERFORMANCE OF BOTH MODIFIED ALKYD AND MODIFIED ALKYD-CHLORINATED RUBBER YELLOW TRAFFIC MARKING PAINTS, UTILIZING NORMAL-LEAD-SILICO-CHROMATE IN LIEU OF OR IN COMBINATION WITH THE MORE COMMONLY USED MEDIUM CHROME YELLOW IN THEIR PIGMENT FORMULATION. FIELD AND LABORATORY TESTS WERE CONDUCTED ON PAINT SAMPLES IN 1964, 1965, AND 1967. STRAIGHT SUBSTITUTION OF NORMAL-LEAD-SILICO-CHROMATE FOR MEDIUM CHROME YELLOW IN THE NEW YORK STATE STANDARD YELLOW PAINT WAS FOUND TO BE UNSATISFACTORY BECAUSE OF A RESULTING LEMON COLORATION. HOWEVER, A FORMULATION THAT MADE THE SUBSTITUTION AND OMITTED TITANIUM DIOXIDE WAS COMPARABLE TO THE STANDARD YELLOW IN BOTH COLOR AND DURABILITY, AS WAS ANOTHER FORMULATION THAT EMPLOYED A COMBINATION OF ALL THREE MATERIALS. THEIR USE COULD RESULT IN REDUCED PAINT COST. THE MODIFIED ALKYD-CHLORINATED RUBBER PAINTS WERE ALSO CONSIDERED EQUAL TO THE STANDARD IN COLOR AND DURABILITY BUT UNSATISFACTORY IN THAT THEY COST ABOUT $2 PER GAL. THE STATE'S STANDARD COSTS ABOUT $1.50 PER GAL. THE SECOND STUDY CONCERNS EMULSION OR WATERBASE PAINTS, FIELD TESTED IN 1964 AND 1967 TO EVALUATE THEIR PERFORMANCE AS PAVEMENT MARKINGS. ALSO INVESTIGATED WERE THE EFFECTS ON DURABILITY OF HEATING THESE EMULSIONS BEFORE APPLYING THEM IN STRIPES. EMULSION PAINT WOULD NOT BE A SUITABLE REPLACEMENT FOR NEW YORK STATE'S STANDARD MODIFIED-ALKYD PAINT. THE USEFUL LIFE OF THE EMULSIONS DID NOT EXCEED 3 MONTHS OB BITUMINOUS SURFACES OR 4 MONTHS ON PORTLAND CEMENT CONCRETE SURFACES. THE EMULSION PAINTS PLACED AT AMBIENT TEMPERATURE APPEARED TO OUT-PERFORM THOSE THAT WERE HEATED, BUT RAPID DETERIORATION OF THE PAINT STRIPES PREVENTED COMPARISON OF THE EFFECTS OF HEATING ON DURABILITY. AS A RESULT OF OTHER TESTING (TO BE REPORTED SEPARATELY) THE DEPARTMENT IS CURRENTLY SPECIFYING A HEATED, RAPID DRYING PAINT. IT HAS BEEN FOUND SATISFACTORY IN BOTH APPEARANCE AND DURABILITY, AND OFFERS THE ADVANTAGE OF EASIER APPLICATION. /AUTHOR/

• Supplemental Notes:
  • Res Rept 69-1, 24 PP, 3 FIG, 5 TAB, 2 PHOT, 1 APP
• Corporate Authors:

  New York State Department of Transportation

  Engineering Research and Development Bureau, 1220 Washington Avenue
  Albany, NY  United States  12232
• Authors:
  • Hiss, J G
  • Capelli, J T
  • Brewster, D R
• Publication Date: 1970-6

Subject/Index Terms

• TRT Terms: Alkyd resins; Alternatives analysis; Bituminous materials; Chlorination; Chromates; Color; Costs; Durability; Emulsions; Portland cement concrete; Road markings; Rubber; Surface treating; Traffic paint
• Old TRIS Terms: Bituminous surfacing; Traffic marking
• Subject Areas: Finance; Geotechnology; Highways; Materials; Operations and Traffic Management;

Filing Info

• Accession Number: 00217028
• Record Type: Publication
• Files: TRIS, STATEDOT
• Created Date: Sep 28 1970 12:00AM