BLOWN ASPHALT FOR WATERPROOFING WORK AND METHOD FOR PRODUCING THE SAME

BLOWN ASPHALT FOR WATERPROOFING WORK AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide blown asphalt pertinent to waterproofing work excellent in workability and storability, by suppressing odor and smoke arising at heating and melting the blown asphalt for waterproofing work at a high temperature. SOLUTION: This blown asphalt for waterproofing work is...

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Bibliographische Detailangaben
Hauptverfasser: TSUKAGOSHI TORU, NAKAMURA YOSHIKAZU
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
FUELS
LUBRICANTS
METALLURGY
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
PYROLIGNEOUS ACID
TECHNICAL GASES CONTAINING CARBON MONOXIDE
WORKING-UP PITCH, ASPHALT, BITUMEN, TAR
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide blown asphalt pertinent to waterproofing work excellent in workability and storability, by suppressing odor and smoke arising at heating and melting the blown asphalt for waterproofing work at a high temperature. SOLUTION: This blown asphalt for waterproofing work is characterized by having a softening point of 100-120°C, a needle penetration degree of 25-35, oil exudation of ≤3, folding resistance at a low temperature of ≤1°C, a temperature at which viscosity becomes 100 mPa×s of ≤220°C, and a temperature at which viscosity becomes 60 mPa×s of ≤240°C. COPYRIGHT: (C)2006,JPO&NCIPI