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Composite aluminum film elastic flashing and preparation method thereof

A composite aluminum and composite membrane technology, which is applied in the direction of roofing, roofing, and buildings using flexible materials, can solve the problems of poor comprehensive performance indicators and low technical content, and achieve good root resistance, good water resistance, and good waterproof. Effect

Active Publication Date: 2012-07-04
上海昇慧材料科技有限公司
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  • Abstract
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Problems solved by technology

Traditional building waterproof materials have low technical content and poor comprehensive performance indicators, which can no longer meet people's requirements for modern engineering quality.

Method used

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  • Composite aluminum film elastic flashing and preparation method thereof
  • Composite aluminum film elastic flashing and preparation method thereof

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Embodiment Construction

[0025] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention should not be limited thereby.

[0026] Please see first figure 1 , figure 1 It is a schematic cross-sectional structure diagram of the elastic flashing of the composite aluminum film of the present invention. As shown in the figure, the elastic flashing of the composite aluminum film of the present invention comprises a total of five bottom-up substrates (release paper) 5, butyl rubber 4, PET polyester film 3, aluminum foil 2 and polyurethane coating 1. layer, the polyurethane 1 and the PET polyester film 3 are respectively coated on both sides of the aluminum foil 2 and firmly form an integrated aluminum foil folded composite film, and the aluminum foil folded composite film is compounded with the butyl rubber 4 to form The air channel 6 has fan-shaped aluminum foil folds.

[0027] ...

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Abstract

The invention relates to composite aluminum film elastic flashing and a preparation method thereof. The composite aluminum film elastic flashing comprises five layers of a substrate, butyl rubber, a polyethylene terephthalate (PET) polyester film, aluminum foil and polyurethane from bottom to top. The preparation method for aluminum foil comprises the following steps of: selecting the aluminum foil appropriately, coating the polyurethane on one surface of the aluminum foil, and combining the PET polyester film with the other surface of the aluminum foil; and slitting to form the composite aluminum film elastic flashing with fan-shaped aluminum foil folds with the appropriate butyl rubber belt by an extrusion mode. The composite aluminum film elastic flashing has the characteristics of superior ageing resistance, lasting bonding performance and excellent stretching ductility, and can be constructed smoothly at the temperature of between -10 and 80 DEG C.

Description

technical field [0001] The invention relates to building roofing engineering and planting roofing engineering, in particular to a composite aluminum film elastic flashing and a preparation method thereof. Background technique [0002] With the continuous improvement of people's living standards, people have put forward higher requirements for the construction quality of the living room and the waterproof and leakproof of construction projects. In existing roofing projects, modified asphalt rubber waterproofing material is mainly used for waterproofing and leakproofing, but because it is easy to age, it cannot achieve long-term waterproofing effect, resulting in leakage of the roof, and the maintenance is not convenient enough. In some roofing projects, aluminum or lead plates are used. Aluminum or lead plates lack ductility and are difficult to stick tightly to undulating corrugated roofs, which may easily cause water leakage, especially when lead plates dissolve in rainwate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04D5/10
Inventor 蔡健
Owner 上海昇慧材料科技有限公司
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