CN110843307A - High-molecular self-adhesive film pre-laid waterproof roll with overlapping edges and preparation method thereof - Google Patents
High-molecular self-adhesive film pre-laid waterproof roll with overlapping edges and preparation method thereof Download PDFInfo
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- CN110843307A CN110843307A CN201911176727.4A CN201911176727A CN110843307A CN 110843307 A CN110843307 A CN 110843307A CN 201911176727 A CN201911176727 A CN 201911176727A CN 110843307 A CN110843307 A CN 110843307A
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- 239000002313 adhesive film Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims description 11
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims abstract description 14
- 238000004078 waterproofing Methods 0.000 claims abstract description 14
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims abstract description 8
- 229920000297 Rayon Polymers 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 171
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 25
- 239000012790 adhesive layer Substances 0.000 claims description 25
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 24
- 239000011347 resin Substances 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 18
- 238000013329 compounding Methods 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 14
- 239000002002 slurry Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 12
- 239000002518 antifoaming agent Substances 0.000 claims description 12
- 239000012752 auxiliary agent Substances 0.000 claims description 12
- 229910052791 calcium Inorganic materials 0.000 claims description 12
- 239000011575 calcium Substances 0.000 claims description 12
- 239000002270 dispersing agent Substances 0.000 claims description 12
- 239000000839 emulsion Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 12
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims description 12
- 239000004408 titanium dioxide Substances 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 11
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 11
- 239000012943 hotmelt Substances 0.000 claims description 11
- 229920002748 Basalt fiber Polymers 0.000 claims description 10
- 229920001903 high density polyethylene Polymers 0.000 claims description 10
- 239000004700 high-density polyethylene Substances 0.000 claims description 10
- KPAPHODVWOVUJL-UHFFFAOYSA-N 1-benzofuran;1h-indene Chemical compound C1=CC=C2CC=CC2=C1.C1=CC=C2OC=CC2=C1 KPAPHODVWOVUJL-UHFFFAOYSA-N 0.000 claims description 9
- 239000003607 modifier Substances 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 229920002635 polyurethane Polymers 0.000 claims description 9
- 239000004814 polyurethane Substances 0.000 claims description 9
- 150000003505 terpenes Chemical class 0.000 claims description 9
- 235000007586 terpenes Nutrition 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 7
- 230000003449 preventive effect Effects 0.000 claims description 7
- 238000007790 scraping Methods 0.000 claims description 7
- 239000006255 coating slurry Substances 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 239000003112 inhibitor Substances 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 7
- 238000001035 drying Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 239000002998 adhesive polymer Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000011284 combination treatment Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
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- 238000002156 mixing Methods 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
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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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
Abstract
The embodiment of the application provides a polymer self-adhesive film spreads waterproofing membrane in advance with overlap edge, include first roll of layer and locate the layer is rolled up to the second of first roll of layer top, first roll of layer includes the substrate layer, from viscose layer, antiseized layer, barrier layer, the second roll of layer include with the tie coat that the barrier layer is connected, the tie coat top is connected with the isolation layer, a side portion of tie coat is equipped with the overlap edge. This application is through setting up first roll of layer and the integrated waterproofing membrane that goes out of second roll of layer, and this waterproofing membrane can effectively improve the waterproof performance between coiled material and the coiled material linking part.
Description
Technical Field
The application relates to a waterproof roll and the processing technical field thereof, in particular to a high-molecular self-adhesive film pre-paved waterproof roll with overlapping edges and a preparation method thereof.
Background
The pre-spread waterproof coiled material with self-adhesive polymer film is one kind of waterproof material prepared with HDPE as base material, hot melt pressure sensitive adhesive, antisticking layer and antisticking isolating film. The waterproof material has the characteristics of low-temperature flexibility, self-healing property and good bonding property, can be constructed at normal temperature, has high construction speed and meets the requirement of environmental protection.
After the waterproof coiled material is laid, the joint is not processed, so that the edge of the joint is easy to warp, and the waterproof failure is caused.
Disclosure of Invention
An object of the embodiment of the application is to provide a macromolecular self-adhesive film pre-paved waterproof roll with overlapping edges and a preparation method, so as to achieve the technical effect of solving the problem that the overlapping part of the waterproof roll is easy to warp edges to cause waterproof failure.
The application is realized by the following technical scheme: include first roll of layer and locate the layer is rolled up to the second of first roll of layer top, first roll of layer includes the substrate layer, from viscose layer, antiseized layer, barrier layer, the second roll of layer include with the tie coat that the barrier layer is connected, the tie coat top is connected with the isolation layer, a side of tie coat is equipped with the overlap joint limit.
In order to better realize the application, further, the overlapping edge comprises a glass fiber grid and a glass fiber cloth arranged below the glass fiber grid, and the overlapping edge comprises a basalt fiber grid and a basalt fiber cloth arranged below the basalt fiber grid.
In order to better realize the application, further, the anti-sticking coating slurry comprises the following raw materials in parts by weight: 40-60 parts of modified styrene-acrylic emulsion, 10-30 parts of calcium powder, 5-25 parts of titanium dioxide, 1-5 parts of auxiliary agent, 0.2-0.5 part of dispersing agent, 0.5-1.0 part of defoaming agent and 1-3 parts of silicon dioxide.
In order to better realize the application, further, the anti-sticking coating slurry comprises the following raw materials in parts by weight: 45-55 parts of modified styrene-acrylic emulsion, 15-25 parts of calcium powder, 10-15 parts of titanium dioxide, 2-4 parts of auxiliary agent, 0.3-0.4 part of dispersing agent, 0.7-0.9 part of defoaming agent and 1.2-2.2 parts of silicon dioxide.
In order to better realize the application, further, the substrate layer is high-density polyethylene;
the self-adhesive layer is hot-melt pressure-sensitive adhesive;
the isolating layer is a PE film.
In order to better realize the application, further, the barrier layer comprises the following raw materials: 50-55 parts of polyethylene, 4-6 parts of polyurethane, 5-8 parts of a modifier, 2-3 parts of coumarone-indene resin, 1-3 parts of hydrogenated terpene resin and 2-3 parts of a mildew preventive.
The structure of the macromolecular self-adhesive film pre-paved waterproof roll with the lap joint edge provided by the invention is as follows from bottom to top: substrate layer, from viscose layer, antiseized layer, barrier layer, tie coat and isolation layer bottom one side of tie coat has set up the overlap edge, and at the in-process of laying waterproofing membrane, especially lay the fixed joint portion of linking up in order to prevent that the later stage from influencing the waterproof effect of waterproofing membrane through the overlap edge that stretches out after finishing, the bonding effect of guarantee joint portion.
The application adopts first roll of layer and second to roll up the layer and integrate for waterproofing membrane, and one of the method of laying is: the ground is leveled earlier, then lays first roll of layer subaerial, and the second roll of layer is laid after all first roll of layer is laid, and such laying method then need equally divide first roll of layer and second roll of layer and lay, then integrates and lays for cover the first roll of layer and the first joint portion of rolling up the layer side by side, in order to reach the mesh that improves joint portion waterproof performance.
The present application also provides a second method of laying: the ground is leveled earlier, and the waterproofing membrane that directly will contain first roll of layer and second roll of layer closely lays side by side, specifically is that the first roll of layer part of second waterproofing membrane will splice in the second roll of layer below of first waterproofing membrane, and such treatment mode also can reach the purpose that improves joint portion waterproof performance.
In order to make the waterproof performance of the waterproof coiled material better when the waterproof coiled material is laid, the shape of the waterproof coiled material is improved to a certain extent, the cross section of the first coil layer is parallelogram, the adjacent first coil layers are spliced and interacted with each other, and the cross section of the second coil layer is quadrilateral, so that the joint part between the first coil layer and the first coil layer can be well covered and pressed, and the purpose of reinforcing and waterproofing is achieved.
In order to ensure the aim of ensuring the waterproofness of the connection part, the arranged overlapping side has an important function, the structure of the overlapping side is a glass fiber grid and glass fiber cloth arranged below the glass fiber grid, through the combination treatment, the glass fiber grid is pressed to a certain degree, and the glass fiber cloth plays a waterproof role.
The application still provides the structure of another kind of overlap edge and is including basalt fiber net and the basalt fiber cloth of setting in basalt fiber net below, and basalt fiber is an inorganic material, has better waterproof, anticorrosive effect, can play better waterproof effect.
The application also provides components of the anti-sticking coating slurry, which comprise modified styrene-acrylic emulsion, calcium powder, titanium dioxide, an auxiliary agent, a dispersing agent, a defoaming agent and silicon dioxide, wherein the anti-sticking coating slurry is prepared by mixing the components according to a certain proportion and is sprayed to form an anti-sticking coating, the anti-sticking coating can be completely coated on hot melt pressure sensitive adhesive, and the anti-sticking coating can be fully adhered with post-cast concrete at the later stage, so that the generation of pores is avoided, and better water channeling resistance is realized; the anti-sticking coating has reflection and absorption effects on ultraviolet rays, has a good anti-ultraviolet effect, prevents the self-adhesive layer from aging after being irradiated by the ultraviolet rays for a long time, reduces the viscosity and is easy to peel off post-cast concrete.
The thickness of the substrate layer prepared by the method is 0.7-1.5 mm; the width of the overlapping edge is 90-100 mm; the thickness of the self-adhesion layer is 0.2-0.5 mm, the spraying thickness of the anti-adhesion layer is 0.05-0.10, the drying time is 3-8 min, and the drying temperature is 70-80 ℃; the thickness of the impermeable layer is 0.1-0.3 mm; the thickness of tie coat is 0.5 ~ 0.9mm, the thickness of isolation layer is 0.1 ~ 0.5 mm.
The present application also provides another object: the preparation method of the macromolecular self-adhesive film pre-paved waterproof roll with the lap joint edges comprises the following steps: the method comprises the following steps:
s1: the high-density polyethylene is processed by an extruder and a calender to produce a homogeneous substrate layer;
s2: uniformly coating the hot-melt pressure-sensitive adhesive on the substrate layer by scraping to form a self-adhesive layer;
s3: uniformly stirring modified styrene-acrylic emulsion, calcium powder, titanium dioxide, an auxiliary agent, a dispersing agent, a defoaming agent and silicon dioxide to obtain anti-sticking layer slurry, and spraying the anti-sticking layer slurry on the surface of the self-adhesive layer;
s4: uniformly stirring polyethylene, polyurethane, a modifier, coumarone-indene resin, hydrogenated terpene resin and a mildew preventive in a certain ratio, and extruding to obtain an impermeable layer;
s5: carrying out extrusion thermal compounding on the base material layer, the self-adhesive layer, the anti-sticking layer and the anti-seepage layer obtained in the steps S1-S4 through a bimetallic roller, and forming to obtain a first roll layer;
s6: pressing overlapping edges on two sides of the bottom of the bonding layer;
s7: extruding and compounding the isolation layer and the bonding layer with the overlapping edge obtained in the step S6 through a bimetallic roll, and forming to obtain a second roll layer;
s8: and pressing the second roll layer obtained in the step S7 on the first roll layer obtained in the step S5 to obtain the polymer self-adhesive film pre-paved waterproof roll with the lap edges.
The beneficial effects of the embodiment of the application are that: this application is through setting up first roll of layer and the integrated waterproofing membrane that goes out of second roll of layer, and this waterproofing membrane can effectively improve the waterproof performance between coiled material and the coiled material linking part.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a high polymer self-adhesive film pre-laid waterproof roll with overlapping edges according to an embodiment of the present application;
fig. 2 is a schematic view of a laying structure of the macromolecular self-adhesive film pre-laid waterproof roll with overlapping edges.
10-substrate layer, 20-self-adhesive layer, 30-anti-sticking layer, 40-anti-seepage layer, 50-bonding layer, 60-isolation layer, and 70-lap edge
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
Example 1:
a preparation method of a macromolecular self-adhesive film pre-paved waterproof coiled material with overlapping edges comprises the following steps:
the method comprises the following steps:
s1: the high-density polyethylene is processed by an extruder and a calender to produce a homogeneous substrate layer;
s2: uniformly coating the hot-melt pressure-sensitive adhesive on the substrate layer by scraping to form a self-adhesive layer;
s3: uniformly stirring 40 parts of modified styrene-acrylic emulsion, 10 parts of calcium powder, 5 parts of titanium dioxide, 1 part of auxiliary agent, 0.2 part of dispersing agent, 0.5 part of defoaming agent and 1 part of silicon dioxide to obtain anti-sticking layer slurry, and spraying the anti-sticking layer slurry on the surface of the self-sticking adhesive layer;
s4: uniformly stirring 50 parts of polyethylene, 4 parts of polyurethane, 5 parts of a modifier, 2 parts of coumarone-indene resin, 1 part of hydrogenated terpene resin and 2 parts of a mildew inhibitor, and extruding to obtain an impermeable layer;
s5: extruding, compounding and molding the base material layer, the self-adhesive layer, the anti-sticking layer and the anti-seepage layer obtained in the steps S1-S4 through a bimetallic roller to obtain a first roll layer;
s6: pressing overlapping edges on two sides of the bottom of the bonding layer;
s7: extruding, thermally compounding and molding the isolation layer and the bonding layer with the overlapping edge obtained in the step S6 through a bimetallic roll to obtain a second roll layer;
s8: and pressing the second roll layer obtained in the step S7 on the first roll layer obtained in the step S5 to obtain the polymer self-adhesive film pre-paved waterproof roll with the lap edges.
Example 2:
a preparation method of a macromolecular self-adhesive film pre-paved waterproof coiled material with overlapping edges comprises the following steps:
the method comprises the following steps:
s1: the high-density polyethylene is processed by an extruder and a calender to produce a homogeneous substrate layer;
s2: uniformly coating the hot-melt pressure-sensitive adhesive on the substrate layer by scraping to form a self-adhesive layer;
s3: uniformly stirring 45 parts of modified styrene-acrylic emulsion, 15 parts of calcium powder, 10 parts of titanium dioxide, 2 parts of an auxiliary agent, 0.3 part of a dispersing agent, 0.7 part of a defoaming agent and 1.2 parts of silicon dioxide to obtain anti-sticking layer slurry, and spraying the anti-sticking layer slurry on the surface of an self-adhesive layer;
s4: uniformly stirring 51 parts of polyethylene, 4.5 parts of polyurethane, 6 parts of modifier, 2.5 parts of coumarone-indene resin, 1.2 parts of hydrogenated terpene resin and 2.4 parts of mildew preventive, and extruding to obtain an impermeable layer;
s5: carrying out extrusion thermal compounding on the base material layer, the self-adhesive layer, the anti-sticking layer and the anti-seepage layer obtained in the steps S1-S4 through a bimetallic roller, and forming to obtain a first roll layer;
s6: pressing overlapping edges on two sides of the bottom of the bonding layer;
s7: extruding and compounding the isolation layer and the bonding layer with the overlapping edge obtained in the step S6 through a bimetallic roll, and forming to obtain a second roll layer;
s8: and pressing the second roll layer obtained in the step S7 on the first roll layer obtained in the step S5 to obtain the polymer self-adhesive film pre-paved waterproof roll with the lap edges.
Example 3:
a preparation method of a macromolecular self-adhesive film pre-paved waterproof coiled material with overlapping edges comprises the following steps:
the method comprises the following steps:
s1: the high-density polyethylene is processed by an extruder and a calender to produce a homogeneous substrate layer;
s2: uniformly coating the hot-melt pressure-sensitive adhesive on the substrate layer by scraping to form a self-adhesive layer;
s3: uniformly stirring 55 parts of modified styrene-acrylic emulsion, 25 parts of calcium powder, 15 parts of titanium dioxide, 4 parts of auxiliary agent, 0.4 part of dispersing agent, 0.9 part of defoaming agent and 2.2 parts of silicon dioxide to obtain anti-sticking layer slurry, and spraying the anti-sticking layer slurry on the surface of the self-adhesive layer;
s4: uniformly stirring 53 parts of polyethylene, 4.8 parts of polyurethane, 6 parts of modifier, 2.3 parts of coumarone-indene resin, 2.4 parts of hydrogenated terpene resin and 2.5 parts of mildew preventive, and extruding to obtain an impermeable layer;
s5: carrying out extrusion thermal compounding on the base material layer, the self-adhesive layer, the anti-sticking layer and the anti-seepage layer obtained in the steps S1-S4 through a bimetallic roller, and forming to obtain a first roll layer;
s6: pressing overlapping edges on two sides of the bottom of the bonding layer;
s7: extruding and compounding the isolation layer and the bonding layer with the overlapping edge obtained in the step S6 through a bimetallic roll, and forming to obtain a second roll layer;
s8: and pressing the second roll layer obtained in the step S7 on the first roll layer obtained in the step S5 to obtain the polymer self-adhesive film pre-paved waterproof roll with the lap edges.
Example 4:
a preparation method of a macromolecular self-adhesive film pre-paved waterproof coiled material with overlapping edges comprises the following steps:
the method comprises the following steps:
s1: the high-density polyethylene is processed by an extruder and a calender to produce a homogeneous substrate layer;
s2: uniformly coating the hot-melt pressure-sensitive adhesive on the substrate layer by scraping to form a self-adhesive layer;
s3: uniformly stirring 58 parts of modified styrene-acrylic emulsion, 27 parts of calcium powder, 24 parts of titanium dioxide, 4 parts of auxiliary agent, 0.4 part of dispersing agent, 0.9 part of defoaming agent and 1.2 parts of silicon dioxide to obtain anti-sticking layer slurry, and spraying the anti-sticking layer slurry on the surface of the self-adhesive layer;
s4: uniformly stirring 54 parts of polyethylene, 5.8 parts of polyurethane, 7 parts of modifier, 2.8 parts of coumarone-indene resin, 2.5 parts of hydrogenated terpene resin and 2.3 parts of mildew preventive, and extruding to obtain an impermeable layer;
s5: carrying out extrusion thermal compounding on the base material layer, the self-adhesive layer, the anti-sticking layer and the anti-seepage layer obtained in the steps S1-S4 through a bimetallic roller, and forming to obtain a first roll layer;
s6: pressing overlapping edges on two sides of the bottom of the bonding layer;
s7: extruding and compounding the isolation layer and the bonding layer with the overlapping edge obtained in the step S6 through a bimetallic roll, and forming to obtain a second roll layer;
s8: and pressing the second roll layer obtained in the step S7 on the first roll layer obtained in the step S5 to obtain the polymer self-adhesive film pre-paved waterproof roll with the lap edges.
Example 5:
a preparation method of a macromolecular self-adhesive film pre-paved waterproof coiled material with overlapping edges comprises the following steps:
the method comprises the following steps:
s1: the high-density polyethylene is processed by an extruder and a calender to produce a homogeneous substrate layer;
s2: uniformly coating the hot-melt pressure-sensitive adhesive on the substrate layer by scraping to form a self-adhesive layer;
s3: uniformly stirring 60 parts of modified styrene-acrylic emulsion, 30 parts of calcium powder, 25 parts of titanium dioxide, 5 parts of an auxiliary agent, 0.5 part of a dispersing agent, 1.0 part of a defoaming agent and 3 parts of silicon dioxide to obtain anti-sticking layer slurry, and spraying the anti-sticking layer slurry on the surface of an self-adhesive layer;
s4: uniformly stirring 55 parts of polyethylene, 6 parts of polyurethane, 8 parts of a modifier, 3 parts of coumarone-indene resin, 3 parts of hydrogenated terpene resin and 3 parts of a mildew preventive, and extruding to obtain an impermeable layer;
s5: carrying out extrusion thermal compounding on the base material layer, the self-adhesive layer, the anti-sticking layer and the anti-seepage layer obtained in the steps S1-S4 through a bimetallic roller, and forming to obtain a first roll layer;
s6: pressing overlapping edges on two sides of the bottom of the bonding layer;
s7: extruding and compounding the isolation layer and the bonding layer with the overlapping edge obtained in the step S6 through a bimetallic roll, and forming to obtain a second roll layer;
s8: and pressing the second roll layer obtained in the step S7 on the first roll layer obtained in the step S5 to obtain the polymer self-adhesive film pre-paved waterproof roll with the lap edges.
Experimental data:
the polymer self-adhesive film pre-laid waterproof roll with the overlapping edges prepared in the embodiments 1 to 5 of the invention and a commercially available waterproof roll are subjected to a waterproof contrast experiment, and 5 samples of the polymer self-adhesive film pre-laid waterproof roll with the overlapping edges prepared in the embodiments 1 to 5 and a commercially available sand-coated waterproof roll are uniformly laid, wherein the size of the samples is 120cm multiplied by 200 cm.
The results of the experiments are shown in the following table:
TABLE 1 Polymer self-adhesive Pre-spread waterproofing coiled material Properties
In conclusion, the experimental results show that the macromolecular self-adhesive film pre-paved waterproof roll with the overlapping edges has better performance in all aspects compared with the existing waterproof roll, and is particularly obvious in the waterproof test of the joint part.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a polymer self-adhesive film pre-paved waterproofing membrane with overlap edge, a serial communication port, include first roll of layer and locate the layer is rolled up to the second of first roll of layer top, first roll of layer includes the substrate layer, from viscose layer, antiseized layer, barrier layer, the second roll of layer include with the tie coat that the barrier layer is connected, the tie coat top is connected with the isolation layer, a side portion of tie coat is equipped with the overlap edge.
2. The high molecular self-adhesive film pre-paved waterproof roll with the lap joint edge as claimed in claim 1, is characterized in that: the overlap edge comprises a glass fiber grid and glass fiber cloth arranged below the glass fiber grid.
3. The high molecular self-adhesive film pre-paved waterproof roll with the lap joint edge as claimed in claim 1, is characterized in that: the lapping edge comprises a basalt fiber grid and basalt fiber cloth arranged below the basalt fiber grid.
4. The high-molecular self-adhesive film pre-paved waterproof roll with the lap joint edge as claimed in claim 1, wherein the anti-sticking coating slurry comprises the following raw materials in parts by weight: 40-60 parts of modified styrene-acrylic emulsion, 10-30 parts of calcium powder, 5-25 parts of titanium dioxide, 1-5 parts of auxiliary agent, 0.2-0.5 part of dispersing agent, 0.5-1.0 part of defoaming agent and 1-3 parts of silicon dioxide.
5. The high-molecular self-adhesive film pre-paved waterproof roll with the lap joint edges as claimed in claim 4, wherein the anti-sticking coating slurry comprises the following raw materials in parts by weight: 45-55 parts of modified styrene-acrylic emulsion, 15-25 parts of calcium powder, 10-15 parts of titanium dioxide, 2-4 parts of auxiliary agent, 0.3-0.4 part of dispersing agent, 0.7-0.9 part of defoaming agent and 1.2-2.2 parts of silicon dioxide.
6. The pre-spread waterproof roll of polymer self-adhesive film with overlapping edges as claimed in claim 4,
the substrate layer is high-density polyethylene;
the self-adhesive layer is hot-melt pressure-sensitive adhesive;
the isolating layer is a PE film.
7. The high molecular self-adhesive film pre-paved waterproof roll with the overlapping edge as claimed in claim 6, wherein the impermeable layer comprises the following raw materials: 50-55 parts of polyethylene, 4-6 parts of polyurethane, 5-8 parts of a modifier, 2-3 parts of coumarone-indene resin, 1-3 parts of hydrogenated terpene resin and 2-3 parts of a mildew preventive.
8. The method for preparing the pre-paved waterproof roll of the macromolecular self-adhesive film with the overlapping edge as claimed in claim 7, is characterized in that: the method comprises the following steps:
s1: the high-density polyethylene is processed by an extruder and a calender to produce a homogeneous substrate layer;
s2: uniformly coating the hot-melt pressure-sensitive adhesive on the substrate layer by scraping to form a self-adhesive layer;
s3: uniformly stirring modified styrene-acrylic emulsion, calcium powder, titanium dioxide, an auxiliary agent, a dispersing agent, a defoaming agent and silicon dioxide to obtain anti-sticking layer slurry, and spraying the anti-sticking layer slurry on the surface of the self-adhesive layer;
s4: uniformly stirring polyethylene, polyurethane, a modifier, coumarone-indene resin, hydrogenated terpene resin and a mildew inhibitor in proportion, and extruding to obtain an impermeable layer;
s5: carrying out extrusion thermal compounding on the base material layer, the self-adhesive layer, the anti-sticking layer and the anti-seepage layer obtained in the steps S1-S4 through a bimetallic roller, and forming to obtain a first roll layer;
s6: pressing overlapping edges on two sides of the bottom of the bonding layer;
s7: extruding and compounding the isolation layer and the bonding layer with the overlapping edge obtained in the step S6 through a bimetallic roll, and forming to obtain a second roll layer;
s8: and pressing the second roll layer obtained in the step S7 on the first roll layer obtained in the step S5 to obtain the polymer self-adhesive film pre-paved waterproof roll with the lap edges.
9. The preparation method according to claim 7 or 8 is used for preparing the high-molecular self-adhesive film pre-laid waterproof roll with the lap joint edge.
10. The high molecular self-adhesive film pre-paved waterproof roll with the overlapping edge as claimed in claim 9, is characterized in that: the cross section of the first roll layer is parallelogram; the cross section of the second roll layer is square.
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Application publication date: 20200228 |