High-precision detection method for SBS (styrene butadiene styrene) contents in SBS modified asphalt
A technology of modified asphalt and detection method, applied in measurement devices, instruments, scientific instruments, etc., can solve the problems of harsh sample preparation, large human factors, and small SBS peak area, and achieve simple test methods and discrete A values. The effect of low resistance and good stability
Active Publication Date: 2015-08-05
SUZHOU UNIV OF SCI & TECH +1
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Benefits of technology
This patented technology allows us to accurately detect both sulfuric acid salt resistance (SSR) properties and bitumen/asphaltene compatibility testing without affecting their quality or performance. By comparing specific spectral patterns from different samples with each other, we can identify any issues related to these tests while maintaining consistently reliable data over long periods of use.
Problems solved by technology
This patented technology describes how an improved type of bituminum sulfide called sialon could be added into conventional asphalts instead of improving their mechanical or chemical qualities like abuse durability, waterproofing capacity, impact resistance, stiffening property, etc., while maintaining desired properties like adhesive force on pavement surfaces. By doing these modifications, the original quality of the asphaltheous layer becomes better over time compared to older versions containing regular asphthaulins alone. Additionally, the addition of new components increases the functionality of the bitumen modification system itself, making them suitable for various purposes. Overall, this innovative improvement allows us to create stronger and longer life-long highway tires under specific conditions.
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[0033] 1. Raw materials and test equipment
[0034] The raw materials are mainly YH-791-H SBS modifier produced by Shell Asphalt Co., Ltd., 70# petroleum asphalt; stabilizer sulfur, asphalt solvent (CS 2 ).
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The invention discloses a high-precision detection method for SBS (styrene butadiene styrene) contents in SBS modified asphalt. The high-precision detection method includes the steps: preparing various SBS modified asphalt with the known SBS contents; respectively testing an infrared spectrum based on Fourier transformation for the SBS modified asphalt, calculating a specific value A of a characteristic absorption peak area A1 of an SBS modifying agent in the SBS modified asphalt and the sum of the characteristic absorption peak area A1 of the SBS modifying agent and a characteristic absorption peak area A2 of base asphalt, and building a standard curve equation of A values of the SBS modified asphalt corresponding to the SBS contents; testing the SBS modified asphalt to be detected by the aid of the infrared spectrum based on Fourier transformation, calculating corresponding A values, and substituting the corresponding A values into the standard curve equation to obtain the SBS contents in the SBS modified asphalt to be tested. The high-precision detection method has the advantages that the detection method is simple, the influence of the thickness of a modifying asphalt test sample on a test result is eliminated by the aid of the specific value of the characteristic absorption peak areas, section between characteristic absorption peak areas of an original creation infrared spectrum is selected, and the SBS contents in the SBS modified asphalt are rapidly and precisely detected.
Description
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