Preparation of SBS Modified Asphalt Waterproofing Membrane with Excellent Thermal Aging Performance
In order to improve the low-temperature flexibility and quality loss of SBS modified asphalt waterproofing membrane after heat aging,the modified asphalt stabilizer was used to prevent the segregation of modified asphalt,and the optimal type,dosage and use conditions of modified asphalt stabilizer were screened out through experiments.The combination technology of SBS and APP was used to improve the low-tempera-ture flexibility and quality loss of SBS modified asphalt waterproofing membrane after heat aging,and the opti-mal dosage was determined by experiment.Reinforced polyester tires were used to strengthen the SBS modified asphalt waterproofing membrane to improve the tensile retention,elongation retention and size change rate of SBS modified asphalt waterproofing membrane after heat aging.
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