Z. Liqun
2010
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Journal
Special Purpose Rubber Products
Abstract
The octadecanamide was used as a viscosity reducer of the mixing process of rubber powder modified asphalt,the flowability was improved and the mixture temperature of rubber powder modified asphalt was decreased. The viscosity of the rubber powder modified asphalt mixed with the viscosity reducer was traced by Brookfield asphalt viscometer. The softening point,penetration and ductility was tested. The principle of viscosity-reducing was characterized by the 4 components of asphalt. The results showed that the viscosity of rubber modified asphalt could be greatly reduced by octadecanamide so that the processing temperature could be lower. And the performance indexes was influenced a little. Viscosity-reducing and performance index arrived at the best balance at 135℃.