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Styrene butadiene styrene (SBS) modified bituminous waterproof sheet material and preparation technology thereof

A technology of asphalt waterproofing membrane and preparation process, which is applied in water conservancy projects, asphalt layered products, roofing using flexible materials, etc. Bright appearance, wide low temperature performance range and high hardness

Inactive Publication Date: 2010-02-10
BEIJING LIGAO WATERPROOF ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides an elastomer-modified asphalt waterproof membrane and its preparation process, which aims to solve the technical problem that the existing waterproof membrane cannot be tightly combined with the base of the building after being laid, and water leakage is prone to occur

Method used

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  • Styrene butadiene styrene (SBS) modified bituminous waterproof sheet material and preparation technology thereof

Examples

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Effect test

Embodiment 1

[0048] Embodiment 1, this elastomer-modified asphalt waterproof roll material comprises polyester cloth, oil-soaked material layer and film layer, and the material ratio of described oil-soaked material layer is as follows by mass:

[0049] 16 parts of 10# asphalt;

[0050] 28 parts of 60# asphalt;

[0051] 14 parts of residual oil;

[0052] 14 parts of EPDM rubber powder;

[0053] 2 parts butyl rubber powder;

[0054] 16 parts of talcum powder;

[0055] 5.6 parts of SBS glue;

[0056] The oil-impregnated layer may also contain inorganic or organic reinforcing agents such as carbon black.

Embodiment 2

[0057] Embodiment 2, this elastomer-modified asphalt waterproof roll material comprises polyester cloth, oil-soaked material layer and coating layer, and the material ratio of described oil-soaked material layer is as follows by mass:

[0058] 12 parts of 10# asphalt;

[0059] 30 parts of 60# asphalt;

[0060] 13 parts of residual oil;

[0061] 12 parts of EPDM rubber powder;

[0062] 4 parts butyl rubber powder;

[0063] 13 parts of talcum powder;

[0064] 7 parts of SBS glue;

[0065] The oil-impregnated layer may also contain inorganic or organic reinforcing agents such as carbon black.

Embodiment 3

[0066] Embodiment 3, this elastomer-modified asphalt waterproofing coiled material comprises polyester cloth, oil-soaked material layer and coating layer, and the material ratio of described oil-soaked material layer is as follows by mass:

[0067] 9 parts of 10# asphalt;

[0068] 23 parts of 60# asphalt;

[0069] 12 parts of residual oil;

[0070] 9 parts of EPDM rubber powder;

[0071] 2 parts butyl rubber powder;

[0072] 11 parts of talcum powder;

[0073] 5.6 parts of SBS glue;

[0074] The oil-impregnated layer may also contain conventional inorganic or organic reinforcing agents such as carbon black.

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Abstract

The invention provides a styrene butadiene styrene (SBS) modified bituminous waterproof sheet material and preparation technology thereof. The waterproof sheet material comprises polyester cloths, animmersion oil coating layer and a film-mulching layer. The immersion oil coating layer comprises the following materials in parts by mass: 32-52 parts of bitumen, 12-22 parts of residual oil, 9-19 parts of EPDM rubber powder, 2-7 parts of butyl rubber powder, 11-21 parts of talc powder and 5.6-10.6 parts of SBS rubber. The bitumen is the mixture of 9-19 parts of 10# bitumen and 23-33 parts of 60#bitumen. The invention is characterized by wide high temperature and low temperature resistance range, good elasticity and good hardness, is not easy to deform and is suitable for various levels of waterproofing works of roofing of industrial and civil buildings, underground, bridges, highways, swimming pools and the like in the south and in the north.

Description

technical field [0001] The invention relates to a building waterproof coiled material and a preparation process of the waterproof coiled material. Background technique [0002] Waterproof membrane is a commonly used building material in building construction. In underground engineering and water conservancy engineering construction, waterproof membrane is of great significance to reduce leakage and withstand high water pressure. The existing EPDM waterproof membrane has excellent properties such as high strength, high elongation, high tear strength, high and low temperature resistance, ozone resistance, and aging resistance, so it is widely used in building construction. However, after the existing EPDM waterproofing membrane is laid, the waterproof base material cannot be closely combined with the building base, and water leakage is easy to occur. In case of local water seepage in the waterproof layer, it will also cause "water channeling" under the entire waterproof layer...

Claims

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Application Information

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IPC IPC(8): E04D5/10E02D31/02E01D19/08E01C3/06E04B1/66E02B3/16E21D11/38D06N5/00B32B11/02B32B38/08C08L95/00C08L23/16C08L23/22C08L53/02C08K3/34
Inventor 段霓华王峰华
Owner BEIJING LIGAO WATERPROOF ENG CO LTD
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