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A kind of elastomer modified asphalt waterproof membrane

A kind of asphalt waterproof membrane and modified asphalt technology, which is applied in the direction of roofing, building insulation materials, and infrastructure engineering using flexible materials. It can solve the problem that the peeling strength and wear resistance cannot be improved at the same time, and there is no sound absorption and noise reduction. Function, weak anti-ultraviolet ability and other problems, to achieve the effect of low heat aging quality loss, good sound absorption and noise reduction effect, high seam peeling strength

Active Publication Date: 2020-12-18
宝源防水材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The current elastomer-modified asphalt waterproofing membranes still have the following defects: (1) The thermal aging mass loss is relatively large during the preparation process; (2) The peel strength and wear resistance cannot be improved at the same time; (3) There is no sound absorption reduction. Noise function, weak anti-ultraviolet ability, easy to aging

Method used

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  • A kind of elastomer modified asphalt waterproof membrane

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Embodiment 1

[0034] Embodiment 1 A kind of elastomer modified asphalt waterproof membrane and its preparation method

[0035] A kind of elastomer modified asphalt waterproof coiled material of the present invention, comprises isolation membrane layer, elastomer modified asphalt layer and jute tire base,

[0036] Wherein, the raw materials required for the elastomer modified asphalt layer include: base asphalt, waste lubricating oil, brominated SBS, modifier, filler;

[0037] The base asphalt has a penetration of 80-100mm, a ductility of not less than 100cm, a softening point of 48.5°C, and a flash point of 327°C.

[0038] The brominated SBS has a white appearance and no plastic feel, a bromine content of 74.5%, a viscosity (250°C) of 5000-10000 cp, a molecular weight of 18000-20000, a 1% thermal weight loss at 252 °C, a 5% thermal weight loss at 255 °C, and a 10% The thermal weight loss is 261°C, and the 50% thermal weight loss is 332°C.

[0039] Described modifying agent is antioxidant,...

Embodiment 2-3

[0059] Embodiment 2-3 A kind of elastomer modified asphalt waterproof membrane and its preparation method

[0060] Embodiment 2-3 is on the basis of embodiment, and only elastic body modified asphalt layer is done the change of weight part, specifically as follows:

Embodiment 2

[0061] Example 2: 124 parts of base asphalt, 73 parts of waste lubricating oil, 34 parts of brominated SBS, 51 parts of modifier, and 40 parts of filler.

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Abstract

The invention provides an elastomer modified bituminous waterproof coiled material. The elastomer modified bituminous waterproof coiled material comprises an elastomer modified bituminous layer, the elastomer modified bituminous layer is prepared from the raw materials: 100-140 parts of matrix asphalt, 68-75 parts of waste lubricating oil, 20-35 parts of brominated SBS, 38-55 parts of a modifyingagent and 35-60 parts of filler; and the brominated SBS is white in appearance color and has no plastic feeling, the bromine content is 74.5%, the viscosity is 5,000-10,000 cp, and the molecular weight is 18,000-20,000. A preparation method comprises the steps of weighing, preparation of the brominated SBS, mixing and the oil immersion coating. According to the elastomer modified bituminous waterproof coiled material, the joint peeling strength is 3.1-3.5N / mm, the abrasion resistance is 10,227-11,565rad, the soluble content is 2,290-2,304g / m<2>, the heat aging quality loss is 0.55-0.60%, and the elastomer modified bituminous waterproof sheet material is especially suitable for downtown buildings.

Description

technical field [0001] The invention belongs to the technical field of waterproof materials, and relates to an elastomer modified asphalt waterproof coiled material, in particular to an elastomer modified asphalt waterproof coiled material and a preparation method thereof. Background technique [0002] Elastomer modified bitumen waterproofing membrane has good high temperature resistance and can be used in the temperature range of -25~100°C. It has high elasticity and fatigue resistance, as well as an elongation rate of up to 1500% and a relatively high temperature. Strong puncture resistance and tear resistance. It is suitable for waterproofing projects in cold regions and industrial and civil buildings with large deformation and vibration. [0003] Its performance characteristics: good flexibility at low temperature, no cracks at -25°C; high heat resistance, no flow at 90°C. Good extension performance, long service life, simple construction, less pollution and so on. Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/66E04D5/10E02D31/02C08L95/00C08L91/00C08L53/02C08K13/02C08K3/26C08K3/22C08K3/36
Inventor 赵光宝赵宏坤
Owner 宝源防水材料股份有限公司