Modified asphalt sizing material and preparation method thereof, as well as asphalt waterproof coiled material

A technology of asphalt waterproofing membrane and modified asphalt, which is applied in the direction of building insulation materials, building components, buildings, etc., can solve the problems of aging of membranes, damage to the health of construction personnel, and inconvenience of construction, so as to improve the softening point and improve the softening point , The effect of facilitating construction

Active Publication Date: 2017-01-25
BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the hot-melt modified bitumen waterproofing membrane has many advantages, its construction requires an open flame, and there are huge safety hazards in the construction process; the heating temperature is high, reaching above 280 ° C, resulting in some of the volatile The burning of the surface film releases a large amount of harmful gases such as di

Method used

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  • Modified asphalt sizing material and preparation method thereof, as well as asphalt waterproof coiled material
  • Modified asphalt sizing material and preparation method thereof, as well as asphalt waterproof coiled material
  • Modified asphalt sizing material and preparation method thereof, as well as asphalt waterproof coiled material

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Embodiment 1

[0044] This embodiment provides a modified asphalt compound, the raw material formula of which includes: petroleum asphalt, softening oil, elastomer modifier and / or plastomer modifier, tackifier, toughener, antiaging agent, high temperature Modifiers, inorganic fillers, and high-temperature modifiers are stearylamides with more than six carbon alkyl groups.

[0045] The high-temperature modifier in the raw material formula of the modified asphalt compound in this embodiment is a stearylamide with more than six carbon alkyl groups, and the high-temperature modifier contains an amide group, wherein the N in the amide group The hydrogen element on the surface is relatively active, and it is easy to form hydrogen bonds with the benzene rings, -O-, -S-, etc. in the petroleum asphalt, so that the modified asphalt rubber system is relatively stable. And the amide group in the high-temperature modifier forms a relatively stable large group through hydrogen bonds, thereby increasing th...

Embodiment 2

[0047] This embodiment provides a modified asphalt compound, the raw material formula of which includes the following components in mass percentage:

[0048]

[0049] The high-temperature modifier is stearylamides whose high-temperature modifier is more than six carbon alkyl groups.

[0050] The petroleum asphalt is No. 90 petroleum asphalt.

[0051] The softening oil is line reduction oil and furfural extraction oil (mass ratio is 3:1).

[0052] The plastomer modifier was diisopropyl peroxydicarbonate (IPP). The melting point of the plastomer modifier is 90°C to 130°C.

[0053] The tackifier is a styrene resin.

[0054] The toughening agent is acrylate rubber.

[0055] Antiaging agent is sulfur.

[0056] The inorganic filler is heavy calcium.

[0057] This embodiment provides a method for preparing the above-mentioned modified asphalt compound, which includes the following steps: mixing, developing and swelling the substances in the raw material formula to obtain the...

Embodiment 3

[0059] This embodiment provides a modified asphalt compound, the raw material formula of which includes the following components in mass percentage:

[0060]

[0061] The molecular weight of the high temperature modifier is 280-2000.

[0062] The high-temperature modifiers are N,N'-methylene bis-octadecamide and ethylene bis-stearic acid amide (mass ratio: 1:1).

[0063] The petroleum asphalt is No. 70 petroleum asphalt.

[0064] The softening oil is naphthenic oil.

[0065] The elastomer modifiers are styrene-butadiene-styrene block copolymer (SBS) and styrene-butadiene rubber (SBR) (mass ratio 1:5). The glass transition temperature of the elastomer modifier is -60°C to -40°C.

[0066] The plastomer modifier is polypropylene (PP). The melting point of the plastomer modifier is 90°C to 130°C.

[0067] Tackifiers are C5 petroleum resin and C9 petroleum resin (mass ratio is 2:5).

[0068] The toughening agent is chlorosulfonated polyethylene and acrylonitrile-butadiene-...

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Abstract

The invention discloses a modified asphalt sizing material and a preparation method thereof, as well as an asphalt waterproof coiled material. The modified asphalt sizing material is prepared from the following raw materials based on the formula: petroleum asphalt, softening oil, an elastomer modifier and/or a plastomer modifier, a tackifier, a flexibilizer, an anti-aging agent, a high-temperature modifier and an inorganic filler, wherein the high-temperature modifier is stearamide with more than 6 carbon alkyls. By the adoption of the high-temperature modifier, the high-temperature performance of the modified asphalt sizing material can be improved, and the resistance to heat at the temperature of 130 DEG C can be realized; the viscosity of the modified asphalt sizing material at the temperature of 140 DEG C cannot be affected, and the heat resistance of the asphalt waterproof coiled material including the modified asphalt sizing material is guaranteed; the modified asphalt sizing material is particularly applicable to the asphalt waterproof coiled material exposed from the roof; furthermore, high oil discharging property of the product is guaranteed; construction can be carried out under hot air at the temperature of 160 DEG C or higher or soft open fire; the construction efficiency is high; the use of the open fire can be avoided or reduced; the potentials safety hazard in the construction process is reduced.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a modified asphalt rubber compound, a preparation method thereof, and an asphalt waterproof coiled material. Background technique [0002] Asphalt-based waterproof materials are cheap and easy to obtain, asphalt has good compactness, excellent waterproof performance, and asphalt has self-healing properties and excellent aging resistance, which is unmatched by other materials. The main market for waterproof materials. Since the application of asphalt linoleum in my country in the 1950s, asphalt waterproof materials have rapidly become the leading product of my country's building waterproof materials, both in terms of variety and quality. In China, according to the statistics of the Waterproof Association, asphalt waterproof materials account for more than 65% of the domestic market. Asphalt-based waterproof materials mainly include modified asphalt waterproof...

Claims

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Application Information

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IPC IPC(8): C08L95/00C08L91/00C08L25/04C08L33/04C08L53/02C08L9/06C08L23/12C08L57/02C08L23/34C08L55/02C08L23/06C08K5/14C08K3/06C08K3/26C08K5/20C08K3/04C08K13/02C08K3/34E04B1/66
CPCC08K2201/014C08L91/00C08L95/00C08L2201/08C08L2205/025C08L2205/035C08L2207/062C08L2207/066E04B1/665C08L25/04C08L33/04C08K5/14C08K3/06C08K2003/265C08L53/02C08L9/06C08L23/12C08L57/02C08L23/34C08L55/02C08K5/20C08K3/04C08L23/06C08K13/02C08K3/346
Inventor 李文志于猛郭子斌李建磊朱明广徐茂震段文锋
Owner BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
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