KR20160126255A - Polymer complex waterproof sheet - Google Patents
Polymer complex waterproof sheet Download PDFInfo
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- KR20160126255A KR20160126255A KR1020150057117A KR20150057117A KR20160126255A KR 20160126255 A KR20160126255 A KR 20160126255A KR 1020150057117 A KR1020150057117 A KR 1020150057117A KR 20150057117 A KR20150057117 A KR 20150057117A KR 20160126255 A KR20160126255 A KR 20160126255A
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- weight
- butyl
- waterproof sheet
- sheet
- synthetic polymer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B11/00—Layered products comprising a layer of bituminous or tarry substances
- B32B11/04—Layered products comprising a layer of bituminous or tarry substances comprising such bituminous or tarry substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
Abstract
The present invention relates to a polymer composite waterproof sheet, which comprises a synthetic polymer sheet layer and a high-adhesive butylated asphalt compound layer below the synthetic polymer sheet layer, wherein an upper portion of the synthetic polymer sheet layer Wherein a plurality of polymer composite waterproof sheets are connected to each other so as to overlap with each other at the time of joining, and wherein said straight type is joined to the end of the composite waterproof sheet so as to be horizontal, Provide a waterproof sheet.
Description
The present invention relates to a polymer composite waterproof sheet, and more particularly, to a waterproof sheet layer optimized for tensile and tearing performance, and a polymer composite waterproof sheet laminated with an adhered rubberized asphalt layer having excellent adhesion and waterproofness.
Generally, the synthetic polymer waterproof sheet is classified into EPDM, PVC, TPO sheet and the like.
The EPDM sheet is flexible and has excellent physical properties, but it can be bonded only with an adhesive because it can not be heat-sealed when it is bonded. In addition, the PVC sheet is advantageous in that it is flexible due to the addition of a plasticizer and has excellent curling property. However, there is a problem that the flatness is not stable due to the release of the plasticizer after commercialization, and the flexibility is low at low temperatures. In addition, the TPO sheet is excellent in physical properties, is easy to maintain its waterproof performance for a long time, and is excellent in low-temperature flexibility, so that the TPO sheet is not influenced relatively by changes in seasons. In addition, EVA sheet is advantageous in terms of ease of construction and low-temperature flexibility, but has a problem that the sheet is deformed due to the influence of temperature due to poor heat resistance.
For this reason, it is necessary to develop a synthetic polymer waterproof sheet for an optimal functional waterproof sheet excellent in physical bonding force when producing a waterproof sheet.
On the other hand, the adhered type rubberized asphalt waterproof sheet is generally prepared by mixing a butyl rubber with a plasticizer and a filler. Since the butyl rubber is not heated and melted, it is generally rusted in a solvent, plasticized by softening, Solid asphalt.
As another method, a thermoplastic synthetic rubber is melted in a heated straight asphalt, a plasticizer is added, and then a tackifying resin is mixed and formed into a sheet shape.
In this case, it is difficult to keep the adhesion performance constantly due to the deterioration of the adhesion performance due to the difference in adhesion due to the external surface temperature of the plasticizer and the external temperature, and the adhesive property with the synthetic resin is deteriorated due to the oil interface during adhesion between the dissimilar materials.
Therefore, it is necessary to modify the asphalt so that the adhesion performance with other materials can be maintained while maintaining a constant adhesion performance even under the influence of external temperature.
Further, in the case of a waterproof sheet, in particular, a waterproof sheet which is adhered to a waterproof sheet by self-adhesive bonding causes a problem that the water enters through the joint between the waterproof sheets. Therefore, it has been required to develop a waterproof sheet which can solve this problem.
An object of the present invention is to provide a waterproof sheet excellent in water tightness at the time of bonding with a sheet.
Another object of the present invention is to provide a waterproof sheet which does not require an adhesive, and which is excellent in adhesion.
Another object of the present invention is to provide a waterproof sheet satisfying the test standard required for waterproof performance in the test standard of the KS F-4911 synthetic polymer waterproof sheet and the test standard of the self-assembled rubberized asphalt waterproof sheet of KS F-4934 .
In order to achieve the above object, the present invention provides a polymer composite waterproof sheet comprising a synthetic polymer sheet layer and a high-adhesion butylated asphalt compound layer below the synthetic polymer sheet layer, wherein an upper portion of the synthetic polymer sheet layer is flat- And a plurality of polymer composite waterproof sheets are connected to each other so as to overlap with each other when they are joined to each other so that the straight type is joined to the end of the composite waterproof sheet so as to be horizontal. to provide.
Further, the synthetic polymer sheet layer of the present invention is characterized in that the flat irregularities have a height (L) of 0.2 to 0.5 mm, a width of 1 to 3 mm (D1), and an irregular interval D2 of 1 to 3 mm Thereby providing a composite waterproof sheet.
In addition, the thickness H1 of the synthetic polymer sheet layer of the present invention is 1.3 to 1.5 mm, and the thickness H2 of the highly adhesive butyl asphalt compound layer is 1.5 to 2.0 mm.
Also, the present invention provides a polymer composite waterproof sheet, wherein a release film is adhered to the lower part of the high adhesive butyl asphalt compound layer.
Also, the synthetic polymer sheet layer of the present invention may contain 15 to 25 wt% of EVA resin, 15 to 25 wt% of SBS resin, 15 to 25 wt% of TPO, 15 to 25 wt% of polyethylene (PE) and 5 to 10 wt% of polybutadiene, And 5 to 10% by weight of paraffin process oil.
The high-adhesion butyl asphalt compound layer of the present invention may further contain 12 to 18 wt% of synthetic rubber, 50 to 60 wt% of straight asphalt, 5 to 10 wt% of naphthenic process oil, 2 to 8 wt% of C- Wherein the synthetic rubber comprises 40 to 60% by weight of butyl rubber, 2 to 8% by weight of C-9 based petroleum resin, 15 to 25% by weight of polybutadiene, Wherein the polyolefin-based waterproof sheet is produced by extrusion molding a polyolefin-based waterproofing sheet comprising 12 to 18% by weight of chloroprene rubber and 3 to 7% by weight of silane.
The polymer-based composite waterproof sheet of the present invention is excellent in water tightness at the time of bonding a plurality of sheets due to the uneven shape and excellent in the waterproofing performance between the joints.
Further, the polymer-based composite waterproof sheet of the present invention is excellent in bonding force by bonding a plurality of polymer-based composite waterproof sheets to each other to increase the bonding area with the high-adhesion butyl asphalt composite layer due to the uneven shape.
In addition, the polymer composite waterproof sheet of the present invention satisfies all of the test standards required for waterproof performance in the KS F-4911 synthetic polymer waterproof sheet test standard and the KS F-4934 self-adhesive rubberized asphalt waterproof sheet test standard.
1 is a schematic perspective view of a polymer composite waterproof sheet according to an embodiment of the present invention.
2 is a cross-sectional view of a polymer composite waterproof sheet according to an embodiment of the present invention.
3 is a perspective view of a polymer composite waterproof sheet according to an embodiment of the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. First, it should be noted that, in the drawings, the same components or parts have the same reference numerals as much as possible. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as to avoid obscuring the subject matter of the present invention.
The terms " about ", " substantially ", etc. used to the extent that they are used herein are intended to be taken to mean an approximation of, or approximation to, the numerical values of manufacturing and material tolerances inherent in the meanings mentioned, Accurate or absolute numbers are used to help prevent unauthorized exploitation by unauthorized intruders of the referenced disclosure.
FIG. 1 is a schematic cross-sectional view of a polymer composite waterproof sheet according to an embodiment of the present invention, and FIGS. 2 and 3 are a cross-sectional view and a perspective view of a polymer composite waterproof sheet when bonded.
The present invention relates to a polymer composite waterproof sheet comprising a synthetic polymer sheet layer (110) and a highly adhesive butyl asphalt compound layer (120).
The upper part of the synthetic
When the polymer composite waterproof sheet is installed, a plurality of polymer composite waterproof sheets are connected to overlap each other at the time of bonding. In the case of the joint, the first polymeric composite waterproof sheet is bonded to the lower portion of the high- The composite
The synthetic
The penetration of water through the waterproof sheet frequently occurs between the bonded sheets, and the possibility of penetration of the water by the inclination due to the irregularities on the synthetic
In addition, when a plurality of polymer composite waterproof sheets are bonded to each other, the bonding area with the high-adhesion butyl asphalt compound layer is increased due to the uneven shape, which is advantageous in that the bonding strength is excellent.
The thickness H1 of the synthetic
The composition of the synthetic polymer sheet layer comprises 15 to 25% by weight of EVA resin, 15 to 25% by weight of SBS resin, 15 to 25% by weight of TPO, 15 to 25% by weight of polyethylene (PE) and 5 to 10% by weight of polybutadiene, And 5 to 10% by weight of a process oil.
EVA resin is used to reduce the rate of change of mechanical properties such as surface hardness and strength due to seasonal changes. It is used in the range of 15 ~ 25 weight %.
The SBS synthetic rubber is intended to improve the impact resistance performance, which is a disadvantage of the resin, by increasing the elastic strength, and it is preferable that the SBS synthetic rubber is contained in an amount of 15 to 25% by weight.
In addition, the TPO serves to prevent the color change of the sheet and to prevent the reduction of the acid resistance and to prolong the life, and it is preferable that the TPO is included in the amount of 15 to 25% by weight.
In addition, polyethylene (PE) has a role of preventing corrosion by fungi or external bacteria, and it is preferable that it contains 15 to 25 wt%.
In addition, polybutadiene can prevent the layer separation phenomenon that may occur due to the different hardness or melting point inherent in each resin, and it is preferable that the polybutadiene contains 5 to 10% by weight, which can secure the bond strength between resins.
In addition, the paraffin process oil preferably contains 5 to 10% by weight in order to secure the fluidity between the respective resin raw materials to improve the resin bonding force.
In mixing and extruding the components of the synthetic
The high adhesive butyl
The synthetic rubbers were prepared from 40 to 60 wt% of butyl rubber, 2 to 8 wt% of C-9 petroleum resin, 15 to 25 wt% of polybutadiene, 12 to 18 wt% of chloroprene rubber, The synthetic rubber can be produced by extrusion molding in weight%. The extrusion molding is preferably performed using T-DIE, and a synthetic rubber in the form of a chip can be produced through extrusion molding.
The butyl rubber is used as a modifier and siloxane and C-9 type petroleum resin are mixed with the butyl rubber in a form in which the molecular structure of the butyl rubber itself is not bonded to other materials.
Also, the C9-based petroleum resin is added, and the C9-based petroleum resin enhances the adhesiveness to improve the interfacial affinity of the thermoplastic resin and the olefin-based copolymerized rubber. The C9-based petroleum resin preferably contains 2 to 8% by weight.
The polybutadiene, which is a modifier, is necessary for securing the bonding strength, and it is preferable that the polybutadiene is mixed at 15 to 25 wt%.
The chloroprene rubber (CR) can be used to improve dimensional stability and fatigue performance after sheet molding, and it is preferable that the chloroprene rubber contains 12 to 18% by weight of the chloroprene rubber.
Also, silane is added for strength reinforcement and reinforcement of the bonding strength of the butyl rubber, and it is preferable that the silane is contained in an amount of 3 to 7 wt%.
The rubber composition of the present invention is prepared by mixing butyl rubber, C-9 petroleum resin, polybutadiene, chloroprene rubber, and silane, which are synthetic rubber materials, by extrusion molding, (120) can be manufactured.
The high-adhesion butyl
The role of the prepared synthetic rubber is to allow it to mix well with straight asphalt. In the present invention, the high-adhesive butyl
The straight asphalt serves to improve the adhesion performance when mixing with synthetic rubber.
In addition, the naphthenic process oil serves as a compatibilizer, and the C-9 petroleum resin plays a role of enhancing tackiness in order to improve interfacial affinity.
Further, 5 to 10% by weight of hard calcium carbonate having a specific gravity of 0.4 to 0.5 and 5 to 10% by weight of heavy calcium carbonate can be mixed as a filler for processing stability such as prevention of sheet stagnation.
The high-adhesion butyl
The high-adhesive butyl-
The polymer-based composite waterproof sheet of the present invention can be produced by laminating a high-adhesive butyl-
The polymer-based composite waterproof sheet of the present invention is excellent in water resistance, and has high bonding strength when bonded to other composite waterproof sheets, thus being excellent in bonding strength.
In addition, the composite waterproof sheet of the present invention is excellent in water tightness at the time of joining a plurality of sheets in a straight concavo-convex shape, satisfies the test standard of KS F-4911 synthetic polymer waterproof sheet, The asphalt waterproofing sheet test standard meets all the test standards related to waterproof performance.
The present invention satisfies the excellent test standard in the test standard suitable for the waterproof performance in the KS F-4911 test standard and the KS F-4934 test standard. In other words, the excellent waterproof performance standards of the KS F-4911 and KS F-4934 test standards are shown in Table 1 below.
KS F-4911 used adhesive
Meanwhile, the polymer composite waterproof sheet of the present invention may be configured such that a
Hereinafter, embodiments of the present invention will be described in detail.
Example 1
Synthetic polymer sheet layer formation
25 parts by weight of EVA resin, 20 parts by weight of SBS resin, 20 parts by weight of TPO, 25 parts by weight of polyethylene (PE), 5 parts by weight of polybutadiene and 5 parts by weight of paraffin process oil were mixed and extruded through D- A sheet layer is produced.
At this time, the upper part of the synthetic polymer sheet layer was formed to have a rectangular irregular shape, and the cross-section of the synthetic polymer sheet layer was formed to have a flat irregularity of 0.4 mm in height, 2 mm in width, The thickness (H1) of the synthetic polymer sheet layer was 1.3 mm, and the thickness (H2) of the high-adhesion butyl asphalt compound layer was 1.5 mm.
High Adhesive Butyl Asphalt Compound Layer
For the production of synthetic rubber, 50 wt% of butyl rubber, 10 wt% of C-9 petroleum resin, 20 wt% of polybutadiene, 15 wt% of chloroprene rubber and 5 wt% of silane were extruded through T-DIE To prepare a chip type synthetic rubber.
A high-adhesion butyl asphalt compound layer was prepared by using the synthetic rubber thus prepared. The composition was composed of 12 wt% of synthetic rubber, 55 wt% of straight asphalt, 5 wt% of naphthenic process oil, 8 wt% of C-9 petroleum resin, 10% by weight of calcium carbonate and 10% by weight of heavy calcium carbonate were mixed and extruded through T-DIE to prepare a high-adhesive butyl asphalt compound layer.
Example 2
The procedure of Example 1 was repeated,
A synthetic polymer sheet layer was prepared by mixing 20 wt% of EVA resin, 20 wt% of SBS resin, 20 wt% of TPO, 20 wt% of polyethylene (PE), 10 wt% of polybutadiene and 10 wt% of paraffin process oil,
The high-adhesive butyl asphalt compound was prepared by using 15% by weight of synthetic rubber, 60% by weight of straight asphalt, 5% by weight of naphthenic process oil, 6% by weight of C-9 type petroleum resin, 7% by weight of hard calcium carbonate, Layer.
The thickness of the synthetic polymer sheet layer (H1) was 1.5 mm, and the thickness of the high-adhesive butyl-asphalt compound layer The thickness (H2) was set to 1.8 mm.
Example 3
The procedure of Example 1 was repeated,
A synthetic polymer sheet layer was prepared by mixing 22.5 wt% of EVA resin, 22.5 wt% of SBS resin, 22.5 wt% of TPO, 22.5 wt% of polyethylene (PE), 5 wt% of polybutadiene and 5 wt% of paraffin process oil,
A high-adhesion butyl asphalt compound was prepared from 18% by weight of synthetic rubber, 60% by weight of straight asphalt, 5% by weight of naphthenic process oil, 5% by weight of C-9 type petroleum resin, 6% by weight of hard calcium carbonate, Layer.
The thickness of the synthetic polymer sheet layer (H1) was 1.5 mm, and the thickness of the high-adhesive butyl-asphalt compound layer The thickness (H2) was set to 2.0 mm.
The test results of the synthetic polymer sheet layer prepared in Examples 1 to 3 are shown in Table 2 below.
As shown in Table 2, it can be confirmed that the synthetic polymer sheet layer of the present invention has better tensile strength, elongation, and tear strength than the KS F-4911 test standard.
The test results of the high-adhesion butyl asphalt composite layer prepared in Examples 1 to 3 are shown in Table 3 below.
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clear
clear
As shown in Table 3, the high-adhesion butyl asphalt composition layer of the present invention has superior adhesion performance and peel resistance performance than the KS F-4934 test standard, and the flexural resistance performance is also excellent.
The performance of the polymer-based composite waterproof sheet prepared in Examples 1 to 3 is shown in Table 4.
The polymer composite waterproof sheet composed of the high-adhesion butyl asphalt compound layer according to the present invention was tested for the waterproof performance test in the KS F-4911 synthetic polymer waterproof sheet test standard and the KS F-4934 waterproofing rubberized asphalt waterproof sheet test standard All specifications are met.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be clear to those who have knowledge of.
110: Synthetic polymer sheet layer 120: High adhesive butyl asphalt compound layer
130: release film
Claims (6)
The synthetic polymer sheet layer and
And a high-adhesive butyl-asphalt compound layer below the synthetic polymer sheet layer,
The upper portion of the synthetic polymer sheet layer is formed in a rectangular irregular shape and has a rectangular cross section,
Wherein a plurality of polymer composite waterproof sheets are connected to each other so as to overlap each other at the time of joining, and said straight type is joined so as to be horizontal with the end of the composite waterproof sheet.
Wherein the protrusions and protrusions of the synthetic polymer sheet layer have a height (L) of 0.2 to 0.5 mm, a width of 1 to 3 mm (D1), and an uneven spacing (D2) of 1 to 3 mm.
Wherein the thickness H1 of the synthetic polymer sheet layer is 1.3 to 1.5 mm and the thickness H2 of the high adhesion butyl asphalt compound layer is 1.5 to 2.0 mm.
And a release film is adhered to the lower portion of the high-adhesive butyl asphalt compound layer.
Wherein the synthetic polymer sheet layer comprises 15 to 25% by weight of EVA resin, 15 to 25% by weight of SBS resin, 15 to 25% by weight of TPO, 15 to 25% by weight of polyethylene (PE) and 5 to 10% by weight of polybutadiene, 5 to 10% by weight based on the total weight of the polymer composite waterproof sheet.
The high-adhesion butyl asphalt compound layer comprises 12 to 18 wt% of synthetic rubber, 50 to 60 wt% of straight asphalt, 5 to 10 wt% of naphthenic process oil, 2 to 8 wt% of C-9 petroleum resin, To 10% by weight, and heavy calcium carbonate 5 to 10% by weight,
Wherein the synthetic rubber comprises 40 to 60 wt% of butyl rubber, 2 to 8 wt% of C-9 petroleum resin, 15 to 25 wt% of polybutadiene, 12 to 18 wt% of chloroprene rubber, and 3 to 7 wt% Based composite waterproof sheet.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102619301B1 (en) * | 2022-09-26 | 2023-12-29 | 하나건설 주식회사 | Waterproofing construction method for bridge surface and waterproof coating composition used therefor |
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| JPH068179Y2 (en) * | 1992-09-28 | 1994-03-02 | ロンシール工業株式会社 | Makeup tarpaulin for pitched roof |
| KR100796019B1 (en) | 2007-04-19 | 2008-01-21 | 김기철 | Un-vulcanized synthetic rubber sheets-waterproof material of self-adhesion type and construction method using the same |
| KR20090095993A (en) * | 2008-03-07 | 2009-09-10 | 주식회사페트로산업 | Waterproof sheet and construction method thereof |
| KR101469641B1 (en) | 2013-12-30 | 2014-12-05 | 배문옥 | Self-adhesive type composite waterproofing sheet and waterproof method using the same |
| KR101508990B1 (en) * | 2014-11-11 | 2015-04-16 | 성문산업 주식회사 | Self adhesive waterproof sheet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6008179B2 (en) | 2012-08-21 | 2016-10-19 | 株式会社リコー | Document conveying apparatus, image reading apparatus, image forming apparatus, and method for controlling document conveying apparatus |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH068179Y2 (en) * | 1992-09-28 | 1994-03-02 | ロンシール工業株式会社 | Makeup tarpaulin for pitched roof |
| KR100796019B1 (en) | 2007-04-19 | 2008-01-21 | 김기철 | Un-vulcanized synthetic rubber sheets-waterproof material of self-adhesion type and construction method using the same |
| KR20090095993A (en) * | 2008-03-07 | 2009-09-10 | 주식회사페트로산업 | Waterproof sheet and construction method thereof |
| KR101469641B1 (en) | 2013-12-30 | 2014-12-05 | 배문옥 | Self-adhesive type composite waterproofing sheet and waterproof method using the same |
| KR101508990B1 (en) * | 2014-11-11 | 2015-04-16 | 성문산업 주식회사 | Self adhesive waterproof sheet |
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| KR102619301B1 (en) * | 2022-09-26 | 2023-12-29 | 하나건설 주식회사 | Waterproofing construction method for bridge surface and waterproof coating composition used therefor |
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