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Elastic plastics blended antioxidation modified bituminous water-proof coiled material

A technology of modified asphalt and waterproof membrane, which is applied in other chemical processes, building insulation materials, chemical instruments and methods, etc. It can solve the problems of house leakage, high temperature difference, poor UV aging resistance, etc., and achieve enhanced modification Effect, effect of improving aging resistance

Inactive Publication Date: 2002-06-19
CHONGQING CITY NEW TYPE WATER PROOFING MATERIAL
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AI Technical Summary

Problems solved by technology

Elastomer-modified asphalt waterproofing membrane has excellent low-temperature resistance and is mainly suitable for northern climates. Plastic modified asphalt waterproofing membrane has excellent high-temperature resistance and is mainly suitable for southern climates. Both membranes have a disadvantage: UV aging resistance poor performance
However, like the Tibet region of our country, it has the "three highs and one strong" harsh climate of "alpine cold, high temperature difference, high altitude, and strong ultraviolet rays". Neither of these two coils is suitable. Therefore, a large number of houses in Tibet have been leaking all year round.

Method used

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Examples

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Effect test

Embodiment Construction

[0021] Elastic-plastic blend anti-aging modified bitumen waterproof membrane (SA membrane for short) formula 1: (kg)

[0022] Asphalt: 45, talcum powder: 23, SBS: 12, APP: 7, carbon black: 3.2, antioxidant 4426-S: 0.8, light stabilizer 744: 0.5, ultraviolet absorber UV-0: 0.5, IPP: 3 , residual oil: 5.

[0023] Elastic-plastic blend anti-aging modified bitumen waterproof membrane (referred to as SA membrane) formula 2: (kg)

[0024] Asphalt: 47, talcum powder: 20, SBS: 10, APP: 5, IPP: 2, oil slurry: 6, TiO2: 3, antioxidant 4010: 1.0, light stabilizer 744: 0.5, polyisobutylene: 5, UV absorption Agent UV-0: 0.5.

[0025] Elastic-plastic blend anti-aging modified bitumen waterproof membrane (SA membrane for short) formula 3: (kg)

[0026] Asphalt: 40, talcum powder: 22, SBS: 8, APP: 5, carbon black: 6, antioxidant 4426-S: 2, light stabilizer 744: 2.5, ultraviolet absorber UV-0: 2.5, IPP: 4 , residual oil: 8.

[0027] Elastic-plastic blend anti-aging modified bitumen waterpr...

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Abstract

The present invention relates to a modified water-proofing asphalt roll material (called SA roll material for short), and is characterized by that in the raw material formula of asphalt 4-15% of thermoplastic elastomer polystyrene-butadiene-styrene block copolymer (SBS), 3-12% of atactic polypropylene (APP), 1-8% of light shielding agent, 0.05-3% of antioxidant, 0.05-3% of light stabilizer and 0.05-3% of UV absorbing agent. Said water-proofing roll material possesses low-temp. resistance, high-temp. resistance. UV-resisting property and good ageing resistance.

Description

technical field [0001] The invention belongs to the technical field of high molecular compound blending, and in particular relates to an elastic-plastic blended modified bitumen waterproof coiled material for modifying the asphalt waterproof coiled material. Background technique [0002] At present, there are two types of polymer-modified asphalt waterproofing membranes on the market: elastomer-modified asphalt waterproofing membranes and plastomer-modified asphalt waterproofing membranes. Elastomer-modified asphalt waterproofing membrane has excellent low-temperature resistance and is mainly suitable for northern climates. Plastic modified asphalt waterproofing membrane has excellent high-temperature resistance and is mainly suitable for southern climates. Both membranes have a disadvantage: UV aging resistance Performance is poor. However, like the Tibet region of our country, it has the "three highs and one strong" harsh climate of "alpine cold, hig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J5/00C08L95/00C09K3/18
Inventor 何圣传梅高原杨良明米玛次仁
Owner CHONGQING CITY NEW TYPE WATER PROOFING MATERIAL
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