APPLICATION OF INSTRUMENTAL METHODS FOR EVALUATING HIGHWAY MATERIALS - FOURTH PROGRESS REPORT: GAS CHROMATOGRAPHY
PYROLYSIS GAS CHROMATOGRAPHY HAS BEEN USED TO CHARACTERIZE POLYMERS IN ADDITION TO THOSE INCLUDED IN A PREVIOUS REPORT (MDSH RESEARCH REPORT NO. R-666), AND TO DETERMINE NEOPRENE CONTENT OF PREFORMED PAVEMENT JOINT SEALS IN A ROUGH QUANTITATIVE MANNER. A STANDARD WET CHEMICAL METHOD WAS ALSO USED TO ACCURATELY DETERMINE THE NEOPRENE CONTENT OF PAVEMENT JOINT SEALS. VARIATIONS IN NEOPRENE CONTENT DID NOT CRITICALLY AFFECT PHYSICAL PROPERTIES OF THE SEALS. A CONVENTIONAL GAS CHROMATOGRAPHIC METHOD IS DESCRIBED FOR ANALYSIS OF THE THINNER (VOLATILES) OF TRAFFIC PAINTS ON UNSEPARATED SAMPLES TAKEN DIRECTLY FROM THE CAN. A NUMBER OF POLYMER COMPOUNDING ADDITIVES (PLASTICIZERS, ANTIOXIDANTS) WERE ANALYZED BY CONVENTIONAL GAS CHROMATOGRAPHY AND THESE CHROMATOGRAMS, RETENTION TIMES, AND DETECTOR RESPONSE FACTORS ARE INCLUDED. /AUTHOR/
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Corporate Authors:
Michigan Department of State Highways
State Highways Building, PO Drawer K
Lansing, MI United States 48904Bureau of Public Roads /US
400 7th Street, SW
Washington, DC United States 20590 -
Authors:
- Ellis, J T
- Frederick, W L
- Publication Date: 0
Subject/Index Terms
- TRT Terms: Antioxidants; Gas chromatography; Joint sealers; Materials tests; Neoprene; Pavements; Plasticizers; Polymers; Traffic paint
- Subject Areas: Geotechnology; Highways; Materials; Pavements;
Filing Info
- Accession Number: 00215926
- Record Type: Publication
- Source Agency: Bureau of Public Roads /US
- Report/Paper Numbers: 63-g-124
- Files: TRIS, STATEDOT
- Created Date: Jul 14 1970 12:00AM