CN204983432U - Light steel roof waterproof felt - Google Patents
Light steel roof waterproof felt Download PDFInfo
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- CN204983432U CN204983432U CN201520543798.4U CN201520543798U CN204983432U CN 204983432 U CN204983432 U CN 204983432U CN 201520543798 U CN201520543798 U CN 201520543798U CN 204983432 U CN204983432 U CN 204983432U
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- rete
- polyvinyl chloride
- pvc
- felt
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Abstract
The utility model belongs to building waterproof material field, concretely relates to light steel roof waterproof felt, this tar felt of its characterized in that is from last to be top layer aluminium foil layer (1) down in proper order, poly(ethylene terephthalate) rete (2), polyvinyl chloride rete (3), polyvinyl chloride rete (3) bottom modified PVC sheet layer (4) of buna -N rubber that still can compound, and product quality is light, and ultraviolet resistance, ageing resistance can be excellent, long service life, with gently steel roofing cementability is good.
Description
technical field:the utility model belongs to architectural waterproof material preparation field, is specifically related to a kind of light-steel roofing tar felt.
background technology:light-steel roofing is quick for installation with it, from heavy and light and the advantage such as span is large, widely use at Building class such as factory, stadiums and supermarkets, but traditional light-steel roofing is due to design. construction. many reasons such as structure and use and maintenance, its waterproof, leak preventing effect are undesirable.All there is drainage in various degree in the roofing system with lightweight steel structure in the whole nation more than 75% according to statistics.Indication light-steel roofing of the present invention refers to by color steel. the roofing that color steel watt waits roof Material to form, the waterproof of these roof Materials existing is the method for the end face brushing water-repellent paint adopted at color steel or color steel watt substantially, but because coating is very easily aging under exposing to the sun and rain, make waterproof effect can not be lasting, application life generally only has 2-3.Latest report adopts PVC roll material to be laid immediately on light-steel roofing to carry out the method for waterproof as Chinese patent CN104453108A, but because PVC uvioresistant, ageing resistace etc. are not ideal enough, therefore its application life is still nonconforming, up to now, the report of new effective light-steel roofing waterproofing materials is not also had.
summary of the invention:the purpose of this utility model is not ideal enough in order to overcome above-mentioned existing light-steel roofing waterproofing materials uvioresistant, ageing resistace etc., adhesive property is poor, the technical barrier that light-steel roofing drainage is more serious, for people provide a kind of quality light, uvioresistant, ageing resistace are excellent, long service life, the light-steel roofing tar felt good with light-steel roofing cementability.
The purpose of this utility model is realized by following technical proposals.
Light-steel roofing tar felt of the present utility model, is characterized in that this tar felt is formed by the bonding pressing of following trilaminate material from top to bottom successively: top layer aluminium foil layer 1, PET(PET) rete 2, PVC(polyvinyl chloride) rete 3.
In such scheme, described PVC(polyvinyl chloride) rete 3 bottom surface has additional nitrile rubber modified PVC sheet layer 4.
The utility model is inventor gropes to innovate the science practicality obtained technical scheme by long-term practice, adopt at light-steel roofing brushing water-repellent paint with prior art or directly lay compared with PVC film, there is outstanding feature and significant progress: first, light-steel roofing waterproof top layer composite membrane adopts plating aluminium foil as surface layer, because aluminium foil generates alumina at solar radiation soffit, its uvioresistant and anti-aging very good, adds heat resistance and the application life of integral product; The second, adopt nitrile rubber modified PVC film as waterproofing materials, in its composition, with the addition of nitrile rubber powder, its effect has excellent elongation rate through the PVC of modification, abrasion resistance and intensity, and migration of plasticizer and volatilization in PVC can be reduced, extend the life-span of goods; 3rd, time directly by PVC and bonding foil, because the tensile strength of aluminium foil is inadequate, bonding process cracky, and adhesive property is bad each other, be intermediate layer owing to have employed PET film, (PET film tensile strength can reach 20MPa) can increase the bulk strength of composite membrane on the one hand, solve again the cohesive of PVC and aluminium foil and the planeness problem of film on the other hand, namely aluminium foil and the first compound of PET film obtain the top layer composite membrane that tensile strength is good, planeness is high.Light-steel roofing brushing water-repellent paint or the direct PVC material of laying of prior art only have 2-3 application life, and light-steel roofing waterproofing materials of the present invention can reach more than 8-10 application life.
accompanying drawing illustrates:
Fig. 1 is one of overall structure schematic cross-section of the present utility model
Fig. 2 is overall structure schematic cross-section two of the present utility model.
In figure: 1. top layer aluminium foil layer; 2.PET(PET) rete; 3.PVC(polyvinyl chloride) rete, 4, nitrile rubber modified PVC sheet layer.
detailed description of the invention:
Further illustrate the utility model below by embodiment, the utility model is not limited only to described embodiment.
embodiment one
As shown in Figure 1: composite light steel roof waterpoof material of the present utility model, its waterproof top layer composite membrane is by top layer aluminium foil layer 1, PET(PET) rete 2, PVC(polyvinyl chloride) the mutual bonding pressing of rete forms, and this example adopts environment-friendly type corn gum stick.
Its manufacture craft is as follows:
The first step: first by aluminum foil electroplating plucking; PET film two-sided napping, then the one side of PET film bonds at normal temperatures with aluminium foil;
Second step: the another side of PET film and PVC film bond: PVC film brush coating and PET film at 8-12 DEG C bond, then under the pressure and 22-26 DEG C of temperature of 7-8MPa, 24 little seasonal viscose glue semi-solid preparations, maintenance is placed, finally stretch at 80-90 DEG C of temperature, roller-compaction obtains light-steel roofing waterproof top layer composite membrane.This routine described aluminum foil thickness is 0.007mm, and for PET film is 0.009mm, lower floor is PVC film is 0.04mm.Waterproof top layer composite membrane cross-section schematic diagram as shown in Figure 1.The product of this example can be laid immediately on light-steel roofing as color steel carries out waterproof.
embodiment two
By PVC(trade mark SG-5) 57 parts, 10 parts, nitrile rubber powder, 1 part, age resistor (antioxidant 2246 as special in rubber and plastic), 4 parts, antioxidant and filler (precipitated calcium carbonate) 8 parts add the interior mixing of homogenizer that rotating speed is 800-1200 rev/min, when temperature of charge reaches 50 DEG C, slowly add 20 parts, plasticizing agent again, continuing stirring makes temperature of charge rising reach 85 DEG C, then discharging proceed to 300-500 rev/min cooling and stirring machine stir be cooled to normal temperature, finally put into extruder and be extruded into nitrile rubber modified PVC sheet material, the sheet material extruded waterproof top layer composite membrane pressing and forming at 150-160 DEG C that is direct and embodiment one after a glutinous corn glue obtains product, the product of this example directly can be used as light-steel roofing tar felt (or claiming sheet material) and be layed on light-steel roofing and color steel and carry out waterproof.This routine product cross section structural representation as shown in Figure 2.Nitrile rubber modified PVC sheet material described in the utility model is not limited only to this example, and the nitrile rubber modified PVC sheet material adopting other technical recipe to make also can.
Aluminum foil thickness preferably 0.006-0.008mm in above-described embodiment, middle for PET film be 0.008-0.01mm, lower floor is PVC film is 0.02-0.05mm.All can use age resistor, antioxidant, plasticizing agent that PVC modification is general in above-described embodiment, not state one by one at this.
Claims (2)
1. a light-steel roofing tar felt, is characterized in that this tar felt is made up of trilaminate material and is followed successively by top layer aluminium foil layer (1) from top to bottom, polyethylene terephthalate film layer (2), layers of polyvinyl chloride films (3).
2., according to claim 1 light-steel roofing tar felt, it is characterized in that described layers of polyvinyl chloride films (3) bottom is compounded with nitrile rubber modified PVC sheet layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520543798.4U CN204983432U (en) | 2015-07-26 | 2015-07-26 | Light steel roof waterproof felt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520543798.4U CN204983432U (en) | 2015-07-26 | 2015-07-26 | Light steel roof waterproof felt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204983432U true CN204983432U (en) | 2016-01-20 |
Family
ID=55117814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520543798.4U Active CN204983432U (en) | 2015-07-26 | 2015-07-26 | Light steel roof waterproof felt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204983432U (en) |
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2015
- 2015-07-26 CN CN201520543798.4U patent/CN204983432U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Yuantong Industrial Point, Chongzhou Industrial Development Zone, Chengdu City, Sichuan Province, 611200 Patentee after: Beixin Waterproof (Chengdu) Co.,Ltd. Address before: Yuantong Industrial Point, Chongzhou Industrial Development Zone, Chengdu City, Sichuan Province, 611200 Patentee before: SICHUAN SHUYANG WATERPROOF MATERIAL Co.,Ltd. |