CN1888349A - Roof undercourse material and producing process thereof - Google Patents
Roof undercourse material and producing process thereof Download PDFInfo
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- CN1888349A CN1888349A CN 200610052564 CN200610052564A CN1888349A CN 1888349 A CN1888349 A CN 1888349A CN 200610052564 CN200610052564 CN 200610052564 CN 200610052564 A CN200610052564 A CN 200610052564A CN 1888349 A CN1888349 A CN 1888349A
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- layer
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- padding material
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Abstract
The present invention relates to a roof bedding material. It is characterized by that on the composite surface of two layers of non-woven fabric layer a film layer is set, between two layers of film layers a bituminous layer is set, and in the middle of said bituminous layer a steel mesh reinforcement layer for raising strength and tension is laid. Besides, said invention also provides its preparation process and concrete steps.
Description
Technical field
The present invention relates to a kind of waterproofing materials, especially a kind of roof padding material and preparation technology thereof.
Background technology
Some roof padding materials adopt layer structure at present, mainly comprise nonwoven layer and base fabric, are bitumen layer between the two, adopt woven cloth to increase the intensity and the pulling force of material; The deficiency of its structure is: owing to adopted base fabric, although increased intensity, infiltration, and the sun is easily shone of a specified duration, the material easy deformation.
Summary of the invention
The present invention will solve the shortcoming of above-mentioned prior art, provides a kind of intensity height and water resistance good roof padding material and preparation technology thereof.
The present invention solves the technical scheme that its technical problem adopts: this roof padding material, comprise nonwoven layer, on the composite surface of two layers of nonwoven layer, be equipped with a rete, between two tunic layers, be provided with a bitumen layer, in the middle of bitumen layer, be provided with the net bar layer that is used to gain in strength with pulling force.
Net bar layer of the present invention is latticed glass cloth or other materials that can gain in strength, and described rete is PE film or PP film or other plastic foils.
The preparation technology of this roof padding material of the present invention mainly comprises the steps:
1, pitch is stirred in stirred autoclave, heat then and the temperature that guarantees pitch between 180 ℃-240 ℃, be transported in the pitch extrusion die;
2, in two layers of nonwoven, be used for all coating film on the compound face, promptly drench film and handle, form the composite bed of two nonwoven layer and rete;
3, two composite beds and net bar layer are transported to respectively under the pitch extrusion die, pitch is squeezed in two composite beds, form bitumen layer by compound to being pressed in two composite beds then, in bitumen layer, include net bar layer, and final composite molding.
4, after formed product, by side cut, storage, metering and winding process metering rolling.
The effect that the present invention is useful is: be used for all having carried out on the compound face pouring film and handle the formation rete in two layers of nonwoven, both prevented infiltration, prevent again pitch in compound manufacturing process from cloth seepage and compound two rollers bonding to pressure roller, influence production equipment ground and normally moves; By in the middle of bitumen layer, being provided with net bar layer, realize gaining in strength and pulling force simultaneously.Through detecting, product of the present invention be 100-1000N to tension strength in length and breadth, be 500gf-4000gf to tearing strength in length and breadth.
Description of drawings
Fig. 1 is that product master of the present invention looks cross-sectional view;
Description of reference numerals: nonwoven layer 1, rete 2, bitumen layer 3, net bar layer 4.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing:
This roof padding material comprises nonwoven layer 1, is equipped with a rete 2 on the composite surface of two layers of nonwoven layer 1, and rete 2 can adopt PE film or PP film.Be provided with a bitumen layer 3 between two tunic layers 2, be provided with the net bar layer 4 that is used to gain in strength with pulling force in the middle of bitumen layer 3, net bar layer 4 adopts latticed glass cloth.
The production equipment of this roof padding material, mainly comprise the shaped device that pressure roller is constituted by compound, a compound side to pressure roller is provided with an expanding unit to its conveying nonwoven, opposite side is provided with an expanding unit to its conveying nonwoven and a net muscle glass cloth, compound top to pressure roller is provided with the asphalt conveyer of carrying pitch to it, asphalt conveyer comprises the pitch stirred autoclave, asphalt gear pump, extrusion die, wherein extrusion die be positioned at compound to pressure roller the top and its outlet over against compound to the pressure roller middle part, stirred autoclave is connected with extrusion die by asphalt gear pump, is provided with the pitch strainer between asphalt gear pump and the extrusion die.Extrusion die is provided with the heating temperature control device, and the temperature that guarantees pitch is between 180 ℃-240 ℃, and pitch can be uniformly dispersed like this, temperature is even.This production line also is connected with trimming device, storage facility, metering device, wrap-up in turn after shaped device.Also be provided with the infrared rays deviation correcting device that is used for tuningout on the cloth expanding unit, by metering device and wrap-up metering rolling.
The preparation technology of this roof padding material mainly comprises the steps:
1, pitch is stirred in stirred autoclave, heat then and the temperature that guarantees pitch between 180 ℃-240 ℃, be transported in the pitch extrusion die; Its medium pitch adopts modified bitumen, and the weight proportion of each raw material is as follows: 10-100 pitch 53.8%, thermoplastic elastomer 1.4%, stone powder filler 44.8%.
2, in two layers of nonwoven, be used for all coating film on the compound face, promptly drench film and handle, form the composite bed of two nonwoven layer 1 and rete 2;
3, two composite beds and net bar layer 4 are transported to respectively under the pitch extrusion die, pitch is squeezed in two composite beds, and form bitumen layer to being pressed in two composite beds by compound, in bitumen layer 3, include net bar layer 4, and final composite molding, after formed product, by side cut, storage, metering and winding process metering rolling.
Claims (5)
1, a kind of roof padding material, comprise nonwoven layer (1), it is characterized in that: on the composite surface of two layers of nonwoven layer (1), be equipped with a rete (2), between two tunic layers (2), be provided with a bitumen layer (3), in the middle of bitumen layer (3), be provided with the net bar layer (4) that is used to gain in strength with pulling force.
2, roof padding material according to claim 1 is characterized in that: described net bar layer (4) is latticed glass cloth.
3, roof padding material according to claim 1 is characterized in that: described rete (2) is PE film or PP film.
4, a kind of preparation technology of roof padding material is characterized in that: mainly comprise the steps:
1), pitch is stirred in stirred autoclave, heat then and the temperature that guarantees pitch between 180 ℃-240 ℃, be transported in the pitch extrusion die;
2), in two layers of nonwoven, be used for all coating film on the compound face, promptly drench film and handle, form the composite bed of two nonwoven layer (1) and rete (2);
3), two composite beds and net bar layer (4) are transported to respectively under the pitch extrusion die, pitch is squeezed in two composite beds, form bitumen layer (3) by compound in two composite beds to being pressed in then, in bitumen layer (3), include net bar layer (4), and final composite molding.
5, the preparation technology of roof padding material according to claim 4 is characterized in that: after formed product, by side cut, storage, metering and winding process metering rolling.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610052564 CN1888349A (en) | 2006-07-19 | 2006-07-19 | Roof undercourse material and producing process thereof |
| CN200710107857A CN100582415C (en) | 2006-07-19 | 2007-05-21 | Roof padding material and its preparing process |
| PCT/CN2007/002202 WO2008011813A1 (en) | 2006-07-19 | 2007-07-19 | Roofing underlayment material and process for preparation thereof |
| US11/779,953 US8105965B2 (en) | 2006-07-19 | 2007-07-19 | Roofing underlayment material and process for making the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610052564 CN1888349A (en) | 2006-07-19 | 2006-07-19 | Roof undercourse material and producing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1888349A true CN1888349A (en) | 2007-01-03 |
Family
ID=37577637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610052564 Pending CN1888349A (en) | 2006-07-19 | 2006-07-19 | Roof undercourse material and producing process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1888349A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008011813A1 (en) * | 2006-07-19 | 2008-01-31 | Guorong Zhang | Roofing underlayment material and process for preparation thereof |
| CN103696540A (en) * | 2013-12-30 | 2014-04-02 | 刘启东 | Planted roof root-resistance waterproof roll and production process thereof |
-
2006
- 2006-07-19 CN CN 200610052564 patent/CN1888349A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008011813A1 (en) * | 2006-07-19 | 2008-01-31 | Guorong Zhang | Roofing underlayment material and process for preparation thereof |
| CN100582415C (en) * | 2006-07-19 | 2010-01-20 | 章国荣 | Roof padding material and its preparing process |
| CN103696540A (en) * | 2013-12-30 | 2014-04-02 | 刘启东 | Planted roof root-resistance waterproof roll and production process thereof |
| CN103696540B (en) * | 2013-12-30 | 2015-11-18 | 刘启东 | A kind of planted roof root resistant waterproof roll and production and processing technology thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |