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Self-adhesive waterproofing membrane for metal roof and manufacturing method thereof

A self-adhesive waterproof membrane and metal roofing technology, which is applied to roofs, roofs, and roof coverings using flexible materials, can solve problems such as inability to resist damage to the waterproof layer, and achieve superior aging resistance and super aging resistance , construction cost, environmental protection and simple effect

Inactive Publication Date: 2018-05-29
DANDONG SANGUAN WATERPROOF MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual use process, it cannot resist the damage to the waterproof layer caused by the displacement caused by the thermal expansion and contraction of the metal roof

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A. Preparation of butyl rubber pressure-sensitive adhesive:

[0041] 1. Add 4kg of polyisobutylene with a molecular weight of 40,000, 3kg of EPDM, 18kg of halogenated butyl rubber, 10kg of light calcium carbonate, and 5kg of white carbon black into a pressurized kneader and knead evenly, and refine it into a film on an open mill .

[0042] 2. Put the film prepared above into a kneader for mixing, heat up to 140°C, and add 26kg of polyisobutylene with a molecular weight of 2400, 20kg of petroleum resin C5, 2kg of polyethylene wax, 10kg of light calcium carbonate, and 2kg of No. 425 white cement , Antioxidant 2246 0.5kg, silane coupling agent 1kg, paraffin oil 1kg, made of butyl rubber pressure-sensitive adhesive.

[0043] B. Composite

[0044] Put the prepared butyl rubber pressure-sensitive adhesive into a rubber extruder and coat it on the TPV film to form a self-adhesive layer of butyl rubber pressure-sensitive adhesive, and use glass fiber mesh cloth as the middle ...

Embodiment 2

[0046] A. Preparation of butyl rubber pressure-sensitive adhesive:

[0047] 1. Add 5kg of polyisobutylene with a molecular weight of 50,000, 4kg of EPDM, 19kg of halogenated butyl rubber, 9kg of light calcium carbonate, and 6kg of white carbon black into a pressurized kneader and knead evenly, and refine it into a film on an open mill .

[0048]2. Put the above-prepared films into a kneader for mixing, raise the temperature to 140°C, and add 25kg of polyisobutylene with a molecular weight of 2500, 21kg of petroleum resin C5, 2kg of polyethylene wax, 10kg of light calcium carbonate, and 2kg of No. 325 white cement , Antioxidant 2246 0.5kg, silane coupling agent 1kg, paraffin oil 1kg, made of butyl rubber pressure-sensitive adhesive.

[0049] B. Composite

[0050] Put the prepared butyl rubber pressure-sensitive adhesive into a rubber extruder and coat it on the TPV film to form a self-adhesive layer of butyl rubber pressure-sensitive adhesive, and use glass fiber mesh cloth a...

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Abstract

The invention provides a self-adhesive waterproofing membrane for a metal roof. The self-adhesive waterproofing membrane for the metal roof comprises a base layer, a butyl rubber pressure-sensitive adhesive self-adhesive layer and a release film which are sequentially arranged, wherein the butyl rubber pressure-sensitive adhesive self-adhesive layer comprises the following components in parts by weight: 3 to 5 parts of PIB of which the molecular weight is 10,000 to 100,000, 2 to 4 parts of EPDM, 16 to 20 parts of butyl rubber, 18 to 23 parts of light calcium carbonate, 4 to 6 parts of white carbon black, 24 to 28 parts of PIB of which the molecular weight is 1000 to 3500, 18 to 22 parts of petroleum resin C5, 1 to 3 parts of polyethylene wax, 1 to 3 parts of white cement, 0.5 to 1 part ofan antioxidant, 1 to 2 parts of a coupling agent, and 1 to 2 parts of other additives. Butyl rubber pressure-sensitive adhesive of the invention is a permanent non-drying solid type stable material, has creep and self-healing properties, does not have the phenomenon of edge warping on seams, and can resist the thermal expansion and contraction of a color steel plate and displacement caused by theexternal vibration and the problems of steam leakage and water seepage because fasteners of metal roof nails and the like penetrate through a waterproof layer.

Description

technical field [0001] The invention relates to a self-adhesive waterproof coiled material for metal roofing and a manufacturing method thereof. Background technique [0002] Due to thermal expansion and contraction and various corrosion reasons, steel structure metal roofs have caused large-scale leakage, which has attracted the attention of all walks of life. The "Technical Standards for Building Metal Envelope System Engineering" has passed the review. The standard stipulates that the metal roof needs to add a waterproof layer to achieve the first level of waterproofing. [0003] At present, TPO waterproof membranes are mainly used. The joints need to be thermally welded, and the base surface needs to be fixed mechanically. The price is expensive and the construction requires high technology. Because it is an empty shop, a little leakage will cause corrosion and leakage of a large area of ​​the roof system. [0004] In recent years, self-adhesive adhesives have also bee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/38C09J123/28C09J123/16C09J123/20C09J11/04C09J11/06E04D5/10
CPCC08K2003/265C08L2205/035C09J123/283C09J2301/312C09J2400/14C09J2423/006C09J2423/166E04D5/10C08L23/22C08L23/16C08K13/02C08K3/26C08K3/36C08K3/00
Inventor 刘华静
Owner DANDONG SANGUAN WATERPROOF MATERIAL CO LTD
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