Fiber-reinforced bituminous waterproof sheet material

Abstract

The invention discloses a fiber-reinforced bituminous waterproof sheet material which comprises the following raw materials in parts by weight: 81-90 parts of bitumen, 0.5-1 part of allylsulfocarbamide, 0.6-1 part of ethyl naphthol, 2-3 parts of calcium aluminate, 2-3 parts of polybenzimidazole fiber, 1-2 parts of coconut charcoal fiber, 2-3 parts of tetrahydrofurfuryl alcohol, 1-2 parts of barium metaborate, 3-4 parts of polystyrene, 25-30 parts of diatomite, 0.1-0.2 part of dicumyl peroxide, 20-30 parts of hydroxyl silicone oil, 30-40 parts of a 6% NaOH solution, 6-10 parts of alkali lignin, 2-3 parts of epoxy chloropropane and 6-8 parts of petroleum ether. According to the fiber-reinforced bituminous waterproof sheet material, provided by the invention, alkali lignin is subjected to epoxidation treatment, the crosslinking degree of lignin molecules is increased, and then polystyrene and fibers are subjected to hybrid modification, therefore the surface strength and the water-resisting property of the modified material are improved, and the insulativity, the mechanical property, the heat stability and the adhesiveness of finished products are further improved when the modified material is further mixed with epoxidized lignin.

Description

Technical field [0001] The invention mainly relates to the field of coiled materials, in particular to a fiber-reinforced asphalt waterproof coiled material. Background technique [0002] The waterproof material products made by impregnating asphalt or polymer waterproof materials on the carcass are provided in the form of coiled materials, called waterproof coiled materials, which is a flexible sheet-shaped waterproof material. Waterproof coiled material is mainly used for building walls, roofs, tunnels, highways, landfills, etc., to resist external rainwater and groundwater leakage, a flexible building material product that can be rolled into a roll, as the foundation of the project There is no leakage connection with the building. It is the first barrier for the entire project’s waterproofing and plays a vital role in the entire project. Asphalt is recognized as a material with good waterproof performance, but because the original asphalt has low temperature The characteristi...

AI Technical Summary

Problems solved by technology

Waterproof membrane is mainly used in building walls, roofs, tunnels, roads, landfills, etc., to resist external rainwater and groundwater leakage, a flexible building material product that can be rolled into rolls, as an engineering basis There is no leakage connection with the building, it is the first barrier for the waterproofing of the whole project, and it plays a vital role in the whole project, and asphalt is recognized as a material with good waterproof performance, but due to the low temperature of the original asphalt The characteristics of brittleness, high temperature flow resistance and poor aging performance need to be improved through technology

At present, the technical improvements for waterproofing mainly include catalytic oxidation asphalt, polymer modified asphalt, etc. These methods have high modification costs, complex processes, and have poor waterproof effects over time, and some are not conducive to construction.