Preparation method of high-viscosity modified asphalt waterproof coiled material

Abstract

The invention discloses a preparation method of a high-viscosity modified asphalt waterproof coiled material. The preparation method comprises the following steps S1, polyester nonwoven cloth is prepared; S2, polyester nonwoven cloth is pre-treated; S3, pre-leaching is conducted; S4, heat treatment is conducted; S5, coating materials are treated; S6, the coating materials are applied; S7, an isolating membrane is covered; and S8, cooling and coiling are conducted. According to the method, polyester glass fiber cloth is used as the polyester nonwoven cloth of the waterproof coiled material, prepreg is conducted on the polyester nonwoven cloth with oil, the compactness and the water resistance of the polyester nonwoven cloth are improved, the upper surface and the lower surface of the polyester nonwoven cloth are coated with the coating materials, the coating materials are prepared from glass fiber-based polyurethane modified asphalt, a flame retardant is added in the pre-treatment process of the coating materials, the produced modified asphalt waterproof coiled material has good self-adhesion property and waterproof performance, has the flame retardant property at the same time, andis suitable for large-scale production and high-temperature use, so that the multi-aspect requirements on waterproof materials of the construction industry can be better met.

Description

technical field [0001] The invention belongs to the technical field of waterproof coiled material manufacturing, and in particular relates to a preparation method of a high-viscosity modified asphalt waterproof coiled material. Background technique [0002] At present, building waterproof materials have certain basic conditions. By vigorously developing polymer waterproof materials and improving application technology and supporting facilities, the development and application of polymer waterproof materials will reach the world's advanced level. Therefore, with people's interest in new polymer waterproof materials With the understanding and acceptance of materials, with the guidance of policies, the market for polymer waterproof materials is broad. [0003] At present, there are three types of polymer waterproof membranes on the market: polyvinyl chloride (PVC) waterproof membranes: high strength, excellent tensile properties, good high and low temperature resistance, but be...

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Problems solved by technology

[0005] The object of the present invention is to provide a kind of preparation method of high-viscosity modified bitumen waterproof roll material, by using polyester fiberglass cloth as the base cloth of waterproof roll material, and adopting pre-impregnated oil to carry out pre-soaking treatment to the base cloth, To increase the density and water resistance of the base fabric, the upper and lower surfaces of the base fabric are coated with a coating material, which is made of glass fiber-based polyurethane modified asphalt. At the same time, the coating material The flame retardant is added in the pretreatment process, and the modified asphalt waterproof membrane produced has good self-adhesive and waterproof properties, and it also has flame retardant properties, and it also overcomes the existing manufacturing technology. The shortcomings of high cost and single technical indicators are suitable for large-scale production and use at high temperatures, and are better suited to the multi-faceted needs of the construction industry for waterproof materials.

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