CN113025220A - Isolation film-free pre-laid waterproof coiled material and manufacturing method thereof - Google Patents
Isolation film-free pre-laid waterproof coiled material and manufacturing method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/241—Polyolefin, e.g.rubber
- C09J7/243—Ethylene or propylene polymers
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/48—Stabilisers against degradation by oxygen, light or heat
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
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- 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
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- 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
- E04B1/66—Sealings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
- C09J2423/046—Presence of homo or copolymers of ethene in the substrate
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Abstract
The invention discloses a non-isolated film type pre-paved waterproof coiled material and a manufacturing method thereof, wherein the non-isolated film type pre-paved waterproof coiled material comprises a high-molecular anti-sticking coating, a high-molecular sheet and a high-molecular self-adhesive layer; the high-molecular anti-sticking coating comprises a water solvent, an ethylene-vinyl acetate copolymer, a thickening agent, a dispersing agent, a defoaming agent, an anti-ultraviolet auxiliary agent, an antioxidant and a filler. The polymer anti-sticking coating in this application has good film forming ability, has better separation effect to the water droplet after the film forming, and anti-sticking coating has fine toughness, and anti-sticking coating can not produce cracked phenomenon under waterproofing membrane crimping situation. The high-molecular anti-sticking coating has good ultraviolet aging resistance and the like, has good protection effect on the self-adhesive layer, and improves the waterproof quality of engineering.
Description
Technical Field
The invention relates to the technical field of building waterproofing, in particular to a pre-paved waterproofing coiled material without an isolation film and a manufacturing method thereof.
Background
With the vigorous development of national infrastructure construction in recent years, the urbanization process is accelerated continuously, and the waterproof construction of the engineering is more and more emphasized by people. Due to geological, material, construction and other reasons, water leakage in building engineering, water leakage in lining in tunnel engineering, cracking, breakage and other problems are increasingly prominent. The self-adhesive waterproof coiled material is used as a main material in waterproof engineering, mainly comprises a main body material, self-adhesive glue, a surface anti-adhesion protective layer, an isolating material and the like, and is integrated with a concrete structure after a self-adhesive glue layer reacts with post-poured concrete for solidification in pre-laid waterproof construction, so that interlayer water channeling between the waterproof coiled material and the concrete is avoided, and the self-adhesive glue layer has a self-healing function, so that the waterproof effect is greatly improved.
The existing self-adhesive waterproof coiled material mostly adopts a PET isolating film, quartz sand and the like as an anti-sticking layer or an isolating layer. The PET isolating film and the quartz sand anti-sticking layer have respective defects, and the self-adhesive waterproof coiled material with the quartz sand anti-sticking layer is difficult to construct by workers due to the fact that the self weight of the self-adhesive waterproof coiled material is large, the transportation cost is high, and more dust is generated in the production process, so that the health of the workers is influenced.
The shrinkage rates of the hot melt adhesive coated on the PET isolating film and the waterproof plate are different, so that the PET isolating film and the hot melt adhesive coated on the waterproof plate cannot be well attached to the surface of the hot melt adhesive during compounding, and when a coiled material bypasses a traction roller and each transmission roller, a large amount of wrinkles are generated on the coiled material, so that the product quality is influenced; in the construction process, the isolating film needs to be completely removed, the self-adhesive waterproof coiled material is in the transportation process, the isolating film and the self-adhesive glue layer are firmly bonded through extrusion, the isolating film is difficult to remove in the construction process, the isolating film is thin, the isolating film is easily disconnected from the middle in the film removing process, time and labor are consumed, the construction progress is influenced, after the isolating film is removed, workers easily adhere to the self-adhesive glue layer of the waterproof coiled material when binding steel bars, construction is influenced, and the isolating film is not removed by the workers in many engineering constructions.
Disclosure of Invention
The invention aims to provide a pre-paved waterproof coiled material without an isolation film and a manufacturing method thereof, which are used for solving the problems in the prior art and solving the problems in production, transportation and construction of self-adhesive waterproof coiled materials by adopting a high-molecular anti-sticking coating.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a non-isolation film type pre-paved waterproof coiled material, which comprises a high-molecular anti-sticking coating, a high-molecular sheet and a high-molecular self-adhesive layer;
the high-molecular anti-sticking coating comprises, by mass, 100 parts of a water solvent, 5-30 parts of an ethylene-vinyl acetate copolymer, 5-10 parts of a thickening agent, 0.5-2 parts of a dispersing agent, 0.5-1.5 parts of a defoaming agent, 0.5-1 part of an anti-ultraviolet auxiliary agent, 0.5-2 parts of an antioxidant and 0-30 parts of a filler.
The mass percentage of the vinyl acetate in the ethylene-vinyl acetate copolymer is 70-95%.
The thickening agent includes, but is not limited to, polyvinyl alcohol, polyethylene glycol, starch, hydroxyethyl cellulose, hydroxymethyl cellulose, or methyl cellulose.
The dispersant includes, but is not limited to, sodium dodecylbenzene sulfonate, succinic acid diester sulfonate, potassium tripolyphosphate, or sodium hexametaphosphate.
The ultraviolet resistant auxiliary agent is UV-327 or TC 568B.
The filler is one or more of white carbon black, titanium dioxide, light calcium carbonate powder and talcum powder.
The polymer self-adhesive layer is coated on the polymer sheet, and the polymer anti-adhesive coating completely covers the polymer self-adhesive layer; overlapping parts are reserved on two sides of the adjacent high polymer sheets; and a polymer self-adhesive tape is bonded on the lap joint part.
A manufacturing method of a non-isolation film type pre-paved waterproof coiled material is characterized by comprising the following steps:
preheating; weighing a certain amount of hydrosolvent according to a ratio, adding the hydrosolvent into a reaction kettle, and heating to 50-90 ℃;
step two, preliminarily mixing materials; weighing ethylene-vinyl acetate copolymer, dispersant and defoamer according to the proportion, adding the mixture into a reaction kettle, adjusting the stirring speed, controlling the stirring time, and fully dissolving;
step three, mixing materials again; weighing the thickening agent, the anti-ultraviolet auxiliary agent and the filler according to the proportion, adding the thickening agent, the anti-ultraviolet auxiliary agent and the filler into a reaction kettle, uniformly stirring, adjusting the stirring speed, controlling the stirring time, and filtering to obtain a high-molecular anti-sticking coating;
step four, rolling and forming; and (3) uniformly coating the anti-sticking coating on the macromolecular self-adhesive surface by adopting a roller coating process, drying the anti-sticking coating by using an air blower, drying the coating to form a film, and rolling to obtain the self-adhesive waterproof roll without the isolation film.
In the second step, the stirring speed is adjusted to 200-; in the third step, the stirring speed is adjusted to 200 and 500 revolutions per minute, and the stirring is carried out for 0.5 to 2 hours.
The invention discloses the following technical effects: the high-molecular anti-sticking coating has good film forming property, the minimum film forming temperature is lower than 5 ℃, the high-molecular anti-sticking coating has good barrier effect on water drops after film forming, the anti-sticking coating has good toughness, and the anti-sticking coating can not crack under the curling condition of a waterproof coiled material. The high-molecular anti-sticking coating has good ultraviolet aging resistance and the like, has good protection effect on the self-adhesive layer, and improves the waterproof quality of engineering.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view showing the construction of a waterproof roll according to the present invention;
FIG. 2 is a schematic view of the lap joint of the waterproof roll material of the present invention;
FIG. 3 is a schematic view of the structure of the waterproof roll material connecting and concrete paving base. The adhesive comprises 1-polymer sheet, 2-polymer self-adhesive layer, 3-polymer anti-adhesive coating, 4-lap joint part, 5-polymer self-adhesive tape and 6-concrete base surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a non-isolation film type pre-paved waterproof coiled material, which comprises a high-molecular anti-sticking coating 3, a high-molecular sheet 1 and a high-molecular self-sticking adhesive layer 2;
the high-molecular anti-sticking coating 3 comprises, by mass, 100 parts of a water solvent, 5-30 parts of an ethylene-vinyl acetate copolymer, 5-10 parts of a thickening agent, 0.5-2 parts of a dispersing agent, 0.5-1.5 parts of a defoaming agent, 0.5-1 part of an anti-ultraviolet auxiliary agent, 0.5-2 parts of an antioxidant and 0-30 parts of a filler.
The mass percentage of the vinyl acetate in the ethylene-vinyl acetate copolymer is 70-95%.
Thickeners include, but are not limited to, polyvinyl alcohol, polyethylene glycol, starch, hydroxyethyl cellulose, hydroxymethyl cellulose, or methyl cellulose.
Dispersants include, but are not limited to, sodium dodecylbenzene sulfonate, succinic acid diester sulfonate, potassium tripolyphosphate, or sodium hexametaphosphate.
The ultraviolet resistant auxiliary agent is UV-327 or TC 568B.
The filler is one or more of white carbon black, titanium dioxide, light calcium carbonate powder and talcum powder.
The macromolecule anti-sticking coating 3 is completely covered on the macromolecule self-adhesive layer 2, and the macromolecule self-adhesive layer 2 is coated on the macromolecule sheet 1; overlapping parts 4 are reserved on two sides of each adjacent polymer sheet 1; and a polymer self-adhesive tape 5 is bonded to the lap joint part 4.
A manufacturing method of a non-isolation film type pre-paved waterproof coiled material is characterized by comprising the following steps:
preheating; weighing a certain amount of hydrosolvent according to a ratio, adding the hydrosolvent into a reaction kettle, and heating to 50-90 ℃;
step two, preliminarily mixing materials; weighing ethylene-vinyl acetate copolymer, dispersant and defoamer according to the proportion, adding the mixture into a reaction kettle, adjusting the stirring speed, controlling the stirring time, and fully dissolving;
step three, mixing materials again, weighing the thickening agent, the anti-ultraviolet auxiliary agent and the filler according to the proportion, adding the mixture into the reaction kettle, uniformly stirring, adjusting the stirring speed, controlling the stirring time, and filtering to obtain the high-molecular anti-sticking coating 3;
step four, rolling and forming; and (3) uniformly coating the anti-sticking coating on the macromolecular self-adhesive surface by adopting a roller coating process, drying the anti-sticking coating by using an air blower, drying the coating to form a film, and rolling to obtain the self-adhesive waterproof roll without the isolation film.
In the second step, the stirring speed is adjusted to 200-; in the third step, the stirring speed is adjusted to 200 and 500 revolutions per minute, and the stirring is carried out for 0.5 to 2 hours.
In another embodiment of the invention, the width of the overlapping part 4 is 10cm-20 cm.
The width of the macromolecular self-adhesive tape 5 is 10cm-20 cm.
The polymer sheet 1 is an HDPE sheet, an EVA sheet, an ECB sheet or a TPU sheet.
The high molecular self-adhesive layer is SIS hot melt pressure sensitive adhesive.
The thickness of the polymer sheet 1 is 0.8-1.2 mm;
the thickness of the macromolecular self-adhesive layer 2 is 0.25-0.4 mm;
the thickness of the high-molecular anti-sticking coating 3 is 0.04-0.1 mm.
In yet another embodiment of the invention, the PET release film/quartz sand release layer of the self-adhesive waterproofing web is replaced by a polymeric release coating 3; the macromolecule anti-sticking coating 3 has no adhesion, so that the macromolecule self-sticking layer 2 is prevented from being adhered to other materials in the rolling, transportation and construction processes, and isolation materials such as PET films and quartz sand are replaced. The problems of production, transportation and construction of the self-adhesive waterproof coiled material are solved; the macromolecule anti-sticking coating 3 also has the excellent effect of aging resistance, thereby protecting the macromolecule self-sticking layer 2 and preventing the macromolecule self-sticking layer from losing efficacy due to aging; when the two liners of the concrete base surface 6 are poured, the polymer anti-sticking coating 3 is dissolved with the poured concrete base surface 6, so that the bonding effect of the two-liner concrete base surface 6 and the polymer self-adhesive layer 2 is promoted, and the waterproof quality of the engineering is improved.
In another embodiment of the invention, during tunnel waterproof construction, the isolation film-free pre-paved waterproof roll can be fixed by a hot-melt gasket, the lap joint part 4 of the roll and the lap joint part 4 of the roll can be welded by a crawling welding machine, and the lap joint part 4 is reinforced by a double-sided polymer self-adhesive tape 5, so that the lap joint part 4 is prevented from being separated from the concrete base surface 6.
In another embodiment of the invention, the content of vinyl acetate in the ethylene-vinyl acetate copolymer is 70-95%, because of introducing ethylene molecular chains into polyvinyl acetate molecules, acetyl groups generate discontinuity, the rotational freedom degree of a high molecular chain is increased, the space obstruction is small, a high molecular main chain becomes soft, plasticizer migration cannot occur, and the permanent softness of a product is ensured.
The invention discloses the following technical effects: the high-molecular anti-sticking coating has good film forming property, the minimum film forming temperature is lower than 5 ℃, the high-molecular anti-sticking coating has good barrier effect on water drops after film forming, the anti-sticking coating has good toughness, and the anti-sticking coating can not crack under the curling condition of a waterproof coiled material. The high-molecular anti-sticking coating has good ultraviolet aging resistance and the like, has good protection effect on the self-adhesive layer, and improves the waterproof quality of engineering.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. A non-isolation film type pre-paved waterproof coiled material is characterized by comprising a high-molecular anti-sticking coating, a high-molecular sheet and a high-molecular self-adhesive layer;
the high-molecular anti-sticking coating comprises, by mass, 100 parts of a water solvent, 5-30 parts of an ethylene-vinyl acetate copolymer, 5-10 parts of a thickening agent, 0.5-2 parts of a dispersing agent, 0.5-1.5 parts of a defoaming agent, 0.5-1 part of an anti-ultraviolet auxiliary agent, 0.5-2 parts of an antioxidant and 0-30 parts of a filler.
2. The non-isolation film type pre-paved waterproof roll material according to claim 1, which is characterized in that: the mass percentage of the vinyl acetate in the ethylene-vinyl acetate copolymer is 70-95%.
3. The non-isolation film type pre-paved waterproof roll material according to claim 1, which is characterized in that: the thickening agent includes, but is not limited to, polyvinyl alcohol, polyethylene glycol, starch, hydroxyethyl cellulose, hydroxymethyl cellulose, or methyl cellulose.
4. The non-isolation film type pre-paved waterproof roll material according to claim 1, which is characterized in that: the dispersant includes, but is not limited to, sodium dodecylbenzene sulfonate, succinic acid diester sulfonate, potassium tripolyphosphate, or sodium hexametaphosphate.
5. The non-isolation film type pre-paved waterproof roll material according to claim 1, which is characterized in that: the ultraviolet resistant auxiliary agent is UV-327 or TC 568B.
6. The non-isolation film type pre-paved waterproof roll material according to claim 1, which is characterized in that: the filler is one or more of white carbon black, titanium dioxide, light calcium carbonate powder and talcum powder.
7. The non-isolation film type pre-paved waterproof roll material according to claim 1, which is characterized in that: the polymer self-adhesive layer is coated on the polymer sheet, and the polymer anti-adhesive coating completely covers the polymer self-adhesive layer; overlapping parts are reserved on two sides of the adjacent polymer sheets; and a polymer self-adhesive tape is bonded on the lap joint part.
8. A manufacturing method of a pre-laid waterproof roll without an isolation film comprises the pre-laid waterproof roll without the isolation film as claimed in claim 1, and is characterized by comprising the following steps:
preheating; weighing a certain amount of hydrosolvent according to a ratio, adding the hydrosolvent into a reaction kettle, and heating to 50-90 ℃;
step two, preliminarily mixing materials; weighing ethylene-vinyl acetate copolymer, dispersant and defoamer according to the proportion, adding the mixture into a reaction kettle, adjusting the stirring speed, controlling the stirring time, and fully dissolving;
step three, mixing materials again; weighing the thickening agent, the anti-ultraviolet auxiliary agent and the filler according to the proportion, adding the thickening agent, the anti-ultraviolet auxiliary agent and the filler into a reaction kettle, uniformly stirring, adjusting the stirring speed, controlling the stirring time, and filtering to obtain a high-molecular anti-sticking coating;
step four, rolling and forming; and (3) uniformly coating the anti-sticking coating on the macromolecular self-adhesive surface by adopting a roller coating process, drying the anti-sticking coating by using an air blower, drying the coating to form a film, and rolling to obtain the self-adhesive waterproof roll without the isolation film.
9. The manufacturing method of the non-isolation film type pre-paved waterproof roll according to claim 8, characterized in that: in the second step, the stirring speed is adjusted to 200-; in the third step, the stirring speed is adjusted to 200 and 500 revolutions per minute, and the stirring is carried out for 0.5 to 2 hours.
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| CN202110301825.7A CN113025220A (en) | 2021-03-22 | 2021-03-22 | Isolation film-free pre-laid waterproof coiled material and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341668A (en) * | 2022-08-01 | 2022-11-15 | 昆山科顺防水材料有限公司 | Pre-laid waterproof coiled material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321154A (en) * | 2018-09-29 | 2019-02-12 | 江苏凯伦建材股份有限公司 | A kind of prespreading high-polymer self-adhesion waterproof coiled material and preparation method thereof |
| CN110843305A (en) * | 2019-10-11 | 2020-02-28 | 成都赛特防水材料有限责任公司 | Ultraviolet-resistant high-molecular self-adhesive film pre-laid waterproof roll and production method thereof |
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2021
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| CN110843305A (en) * | 2019-10-11 | 2020-02-28 | 成都赛特防水材料有限责任公司 | Ultraviolet-resistant high-molecular self-adhesive film pre-laid waterproof roll and production method thereof |
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| CN115341668A (en) * | 2022-08-01 | 2022-11-15 | 昆山科顺防水材料有限公司 | Pre-laid waterproof coiled material and preparation method thereof |
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