CN108952205A - A kind of thermal-insulating waterproof composite sheet material and preparation method suitable for roofing transformation - Google Patents
A kind of thermal-insulating waterproof composite sheet material and preparation method suitable for roofing transformation Download PDFInfo
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- CN108952205A CN108952205A CN201811023988.8A CN201811023988A CN108952205A CN 108952205 A CN108952205 A CN 108952205A CN 201811023988 A CN201811023988 A CN 201811023988A CN 108952205 A CN108952205 A CN 108952205A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0281—Repairing or restoring roofing or roof covering
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The present invention provides a kind of thermal-insulating waterproof composite sheet material and preparation method suitable for roofing transformation; the composite sheet material includes: heat insulation and insulated core material, non-woven fabrics strengthens ventilated membrane and base's protective film passes through hot-fusible pressure-sensitive adhesive with dotted or strip type fusion one, in which: the heat insulation and insulated core material is aerosil felt；The non-woven fabrics reinforcing ventilated membrane overlaps non-woven fabrics heat for polyethylene film above and below respectively and melts vertical compression one；Base's protective film is vapour-binding film.The above-mentioned composite sheet material of the present invention has the characteristics that A grades of fire prevention, high heat insulation property, breathable and waterproof, light property is soft, non-deformability is strong, construction is convenient, Existing reinforced concrete bridge roofing is particularly suitable for renovate, not only simplify roofing rebuilding construction technique, Promotion Transformation speed of application, and the green energy conservation and useful life longevity of roofing is substantially improved.
Description
Technical field
It renovates technical field the present invention relates to Existing reinforced concrete bridge roofing, and in particular, to one kind is suitable for existing roofing
The novel heat insulation and water proof composite sheet material to renovate, with and preparation method thereof.
Background technique
Roofing is the important building enclosure of Existing reinforced concrete bridge and the pith of building energy conservation optimization.Existing reinforced concrete bridge updates
Transformation pays much attention to the green energy conservation of roofing on the basis of guaranteeing safety of structure, useful life longevity.Currently, Existing reinforced concrete bridge
Roofing renovates and generally does heat insulation layer on roof truss structure, then does waterproof layer and protective layer at an upper portion thereof.This mode
Not only construction technology is cumbersome, progress is slow, space is using larger, and separate type construction is also easy to produce cross influence and causes material members old
Change and damaged, causes regular maintenance repeatedly.In addition, common used material such as rock wool board, XPS in current country's roofing improvement project
The materials such as plate, polyurethane thermal insulation board come with some shortcomings, as density is big, bond performance is insufficient, fire protecting performance is insufficient, weatherability is poor
The disadvantages of.
Aeroge is a kind of new inorganic material with nano-porous structure, thermally conductive because of its unique structure feature
Coefficient is up to 0.013~0.025W/m ﹒ K or so, far below material conducts heats systems such as rock wool board, polystyrene board, extruded polystyrene boards
Number, and have the characteristics that low-density, high flame retardant.Aerogel products form mainly has heat preservation aerogel blanket, plate, cloth, paper, particle
Deng in petrochemical industry conveyance conduit, oil plant and gas treatment plant mesohigh vapor line, thermal insulation material for clothes, compound dress
First structural heat-insulation etc. is conducted a research and is applied.And the research and application in building heat preservation field are attempted, has had scholar
Carry out the development work that composite material or component product are carried out based on aeroge.Such as Chinese invention patent application
CN201711374646.6 discloses a kind of preparation process of compound aerosil insulation quilt of ceramic fibre；Patent
CN202416724U devises a kind of aeroge composite roof, pastes aeroge nano-pore in reinforced concrete structure layer upper surface
Superinsulation flexible mat, as roof heat insulation heat insulation and water resistance layer；Patent CN201611140317.0 proposes a kind of aeroge honeycomb
Filled board, by airsetting film layers cover cellular-core surface, then on it, lower lay panel, in building roof material
Between fill sandwich layer；Patent CN105256902A devises a kind of instant aeroge composite adiabatic adhesive tape and preparation method, can use
In the heat preservation, heat preservation reparation or provisional heat preservation of the positions seam crossing such as house wall, roofing, door and window and jamb；Patent Shen
Numbers 201710215889.9 it please provide a kind of Ultralight aeroge heat insulating material with waterproof and moisture-permeable function and its preparation side
Method prepares down-like structural fibers aeroge, and is combined Ultralight aeroge heat insulating material with waterproof ventilated membrane.
But correlative study or patent achievement are difficult to apply in Existing reinforced concrete bridge pitched roof especially tile roofing, mainly ask
Topic include: 1) silica aerogel material in service stage there are problems that aerogel powder disengaging, long-term exposure uses meeting
Lead to the degeneration of the performances such as its insulation；2) sloping roof structure is generally the composition space lattice such as purlin, rafter and linked network item
Shape framework, rigid material are difficult to effectively use, and preferably use flexible material, connect and safeguard convenient for paving；3) roof truss is that rod piece connects shape
At space structure, influenced to be deformed by extraneous factor, heat retaining and insulated waterproof material should have good compatibility of deformation ability；
4) roof heat insulation is heat-insulated, water-proofing treatment improves energy-saving effect, avoids condensing frosting, should consider to prevent steam to building roof simultaneously
Infiltration, corrosive effect, and the durability by improving permeability promotion material.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of thermal-insulating waterproof suitable for roofing transformation is multiple
Close coiled material and preparation method thereof, the composite sheet material be it is a kind of have good heat insulation property, waterproofness, steam permeability, high tenacity in
The flexible compound coiled material of one, to solve problems of the prior art.
To achieve the above object, the invention adopts the following technical scheme:
According to the first aspect of the invention, a kind of thermal-insulating waterproof composite sheet material suitable for roofing transformation is provided, this is compound
Coiled material mainly strengthens ventilated membrane by heat insulation and insulated core material, non-woven fabrics and base's protective film forms, this three parts passes through melt pressure sensitive
One is made in glue laminated, in which:
The heat insulation and insulated core material is aerosil felt；
The non-woven fabrics strengthens ventilated membrane and is covered in the heat insulation and insulated core material upper surface；
Base's protective film is auxiliary to be affixed on the heat insulation and insulated core material lower surface.
Preferably, it is that described gather is compound in by polyvinyl resin film and respectively heat that the non-woven fabrics, which strengthens ventilated membrane,
The integrated film that the polypropylene long fiber free-weaving fabrics of vinyl film upper and lower surfaces is formed, wherein intermediate layer polyethylene resin film is
Main water barrier.
Preferably, base's protective film uses the vapour-binding film with good steam isolating power, to protect thermal insulation separation
The influence of hot core material and roof structure against moisture within doors.
Preferably, the heat insulation core material, non-woven fabrics strengthen ventilated membrane and base's protective film passes through melt pressure sensitive glue bond,
Gluing form is dot type or strip type, and the spacing between two neighboring dotted or strip is 2~3cm.
Preferably, the hot-fusible pressure-sensitive adhesive uses SBS type hot-fusible pressure-sensitive adhesive.
Preferably, the heat insulation and insulated core material with a thickness of 6~8mm.
Preferably, it is 0.4-0.6mm that the non-woven fabrics, which strengthens the overall thickness of ventilated membrane,.
Preferably, the composite sheet material, overall length take 10m or 20m, width 0.75m, 6~10mm of thickness.
According to the second aspect of the invention, a kind of preparation side of thermal-insulating waterproof composite sheet material suitable for roofing transformation is provided
Method, comprising:
Heating hot melt adhesive makes it at molten condition, and hot-melt is distributed in aerosil using hot melt adhesive machine system
Felt upper and lower surfaces；
Non-woven fabrics reinforcing ventilated membrane is flat on aerosil felt upper surface, base's protective film is superimposed on dioxy
SiClx aerogel blanket lower surface compresses and is kept for a period of time；
Non-woven fabrics after above-mentioned compression is strengthened into ventilated membrane, aerosil felt, base's protective film using folder rod rolling
Molded, fixed length is intercepted and is rolled, and obtains the thermal-insulating waterproof composite sheet material for being suitable for roofing transformation.
Preferably, the heating hot melt adhesive, in which: it is 160~180 degree, heating time that temperature is kept when hot melt adhesive heats
80-100 minutes.
Preferably, the hot melt adhesive is coated on aerosil felt in the form of dotted or strip glue spraying, sprays point
Spacing is 2~3cm.
Preferably, the composite sheet material fixed length intercepts 10m or 20m.
The present invention uses above-mentioned preparation method, can obtain one kind and have both high heat insulation property, waterproofness, steam permeability, tough
Property flexible compound coiled material, aerogel blanket upper and lower surface increase respectively patch protecting film, and using non-woven fabrics reinforce, effectively avoid airsetting
Glue particle overflows, and improves composite sheet material integral strength, renovates applied to existing roofing, has good insulation, prevents
Aqueous energy, and there is stronger compatibility of deformation ability, effective protection roofing element promotes its durability.
The novel heat insulation and water proof composite sheet material of the above-mentioned acquisition of the present invention, have good insulation, waterproof, it is ventilative, one
The big equal multi-functionals of body coiled material area, preparation process is simple, and material environmental protection is easy to site operation use.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, the above-mentioned composite sheet material of the present invention, is a kind of composite sheet material using aerosil felt as main core material,
Traditional XPS plate, polyurethane thermal insulation board etc., safety and environmental protection can be replaced, heat preservation heat-insulating property is obviously improved, and surface density reduction subtracts
Small roof load, and fire protecting performance is up to A grades.
2, the above-mentioned composite sheet material of the present invention, wherein aerosil felt upper and lower surface difference compound nonwoven cloth is strengthened
Ventilated membrane and the integral material of base's protective film, on the one hand, it can effectively solve the problems, such as that aerogel powder is detached from, on the other hand,
Non-woven fabrics, which strengthens ventilated membrane and base's protective film, has good waterproof, air permeability effect, can enhance the durability of composite material.
3, the above-mentioned composite sheet material of the present invention is formed multiple in conjunction with non-woven fabrics reinforcing ventilated membrane, the hot melt engagement of spot distribution formula
Coiled material is closed, the non-deformability of composite sheet material is effectively promoted, adapts to the problem of roof structure deformation easily causes coiled material strain cracking.
4, the above-mentioned composite sheet material of the present invention is through roll forming, can fixed length interception roll, on-site cutting, length can use 10m
Or 20m, can larger area integrally mat formation, improve construction efficiency, be applicable in various complex appearance requirements.
It is soft, whole that the above-mentioned composite sheet material of the present invention has A grades of fire resistance ratings, high heat insulation property, waterproof and breathable, light property
Environmental protection, is particularly suitable for that Existing reinforced concrete bridge pitched roof is waterproof thermal-insulated to renovate, and not only optimizes Existing reinforced concrete bridge roof structure, improves
The comfort that inhabitation uses more improves the green energy conservation and durability of Existing reinforced concrete bridge.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of composite sheet material in one embodiment of the invention；
Fig. 2 is the preparation method flow chart of composite sheet material in one embodiment of the invention；
In figure: 1 is heat insulation and insulated core material, and 2 strengthen ventilated membrane for non-woven fabrics, and 3 be base's protective film.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
As shown in Figure 1, to be suitable for the thermal-insulating waterproof composite sheet material that existing roofing renovates in one embodiment of the invention
Structural schematic diagram, comprising: heat insulation and insulated core material 1, non-woven fabrics strengthen ventilated membrane (2,2-1,2-2), base's protective film 3, hot melt pressure
Quick glue 4.Wherein:
The heat insulation and insulated core material 1 is aerosil felt, with a thickness of 6~8mm；
The non-woven fabrics strengthens ventilated membrane and is covered in 1 upper surface of heat insulation and insulated core material；
Base's protective film 3 is vapour-binding film, this layer auxiliary to be affixed on 1 lower surface of heat insulation and insulated core material.
In the preferred embodiment of part, the hot-fusible pressure-sensitive adhesive 4 uses SBS type hot-fusible pressure-sensitive adhesive.
In the preferred embodiment of part, the heat insulation and insulated core material 1, non-woven fabrics strengthen ventilated membrane or heat insulation and insulated core material
1, between base's protective film 3, by the way that hot-fusible pressure-sensitive adhesive 4 is dotted or the coating bonding of strip glue-spray type, glue spraying point spacing take 2~3cm
Left and right.
In part preferred embodiment of the present invention, the non-woven fabrics strengthen ventilated membrane be by polyvinyl resin film 2 and
Heat is compound in that the polypropylene long fiber free-weaving fabric 2-1 of polyvinyl resin film upper surface, that heat is compound in the polyvinyl resin is thin
The integrated film that the polypropylene long fiber free-weaving fabric 2-2 of film lower surface is formed, wherein intermediate layer polyethylene resin film is main water barrier.
The non-woven fabrics strengthens the overall thickness about 0.5mm of ventilated membrane.
As shown in Fig. 2, being the preparation method flow chart of above-mentioned composite sheet material, in this embodiment, which comprises
Step 1: non-woven fabrics strengthens ventilated membrane molding: polypropylene long fiber free-weaving fabric, polyvinyl resin film, polypropylene filament yarn nonwoven
Cloth successively tiles overlapping, and heat, which melts direct pressure forming and forms non-woven fabrics, strengthens ventilated membrane, the i.e. upper and lower surface of polyvinyl resin film point
Not hot compound polypropylene long fiber free-weaving fabric；
Step 2: preheating hot-fusible pressure-sensitive adhesive is at molten condition: equipment debugging hacking, checks technological parameter, preheating hot melt pressure
Quick glue is kept molten by it to 160~180 degree；
Step 3: hot melt adhesive layer-by-layer glue spraying: being coated on following table on aerosil felt using dotted glue spraying form
Face covers non-woven fabrics in aerosil felt upper surface and strengthens ventilated membrane；Base is posted in aerosil felt lower surface
Layer protective film；
Step 4: rolling sizing: the non-woven fabrics that step 3 is obtained strengthens ventilated membrane, aerosil felt, base guarantor
The composite material that cuticula is constituted, which compresses, to be kept for about 1 minute, and rod roll forming is then pressed from both sides；
Step 5: fixed length rolls: using 10m or 20m as length modulus, be truncated and make in rolls, vertical placement in a moment,
Normal temperature storage.
In a preferred embodiment, the aerosil felt is that amorphous silica glue is added into glass fiber felt
Or the porous material formed in the flexible parent metals such as polyester felt, performance should meet: dimensional stability is not more than 1%, and tensile strength is not
Less than 0.8MPa, water absorption rate is lower than 1%.
In a preferred embodiment, it is main water barrier, two sides that the non-woven fabrics, which strengthens ventilated membrane with polyvinyl resin film 2,
Compound polypropylene long fiber free-weaving fabric 2-1,2-2 make enhancement layer respectively.In practical applications, non-woven fabrics reinforcing ventilated membrane is located at titanium dioxide
On silica aerogel felt, under counter battens, while reinforcing roof heat insulation thermal insulation layer watertightness, air-tightness, with its airing function
Tide vapour in roofing is discharged, the durability of composite sheet material is promoted.
In a preferred embodiment, base's protective film 3 selects vapour-binding film, in composite sheet material, is located at roofing base
Between layer and insulating layer, that is, heat insulation and insulated core material 1, it can prevent indoor moisture from permeating to insulating layer, effective protection insulating layer is not invaded
Erosion.The selection of base's protective film 3 should have certain non-deformability, performance indicator include: tensile property not less than 180N/50mm,
Steam penetrating capacity is not more than 15g/m2For 24 hours, nail rod tearing strength is not less than 210N.
In a preferred embodiment, the hot-fusible pressure-sensitive adhesive 4 uses SBS hot-fusible pressure-sensitive adhesive, and chemical characteristic is constant, nontoxic nothing
Taste, creep properties are good.More specifically, in embodiment, hot-fusible pressure-sensitive adhesive main performance index has: 95 ± 5 DEG C of softening point, melting
7000~9000mpa.s, peel strength >=0.9N/mm at 175 DEG C of viscosity.
In one embodiment, the thermal-insulating waterproof composite sheet material, upper surface are that the non-woven fabrics reinforcing of gray is ventilative
Film is in linen base's protective film as protective layer as exposure, lower surface, for being laid with or being covered on plank base
On, with a thickness of 6mm.Test shows that the composite sheet material overall thermal conductivity is 0.018~0.022w/m ﹒ k, and fire resistance reaches
A grades, material physical property is as shown in table 1.
The physical property requirements of 1 thermal-insulating waterproof composite sheet material of table
It is detected by thermal coefficient, the combustion rating etc. to composite sheet material, the novel guarantor based on aerosil felt
Warm waterproof composite sheet material has the feature of low thermal conductivity, A grades of fire resistances, and overall thickness about 6~10mm, weight per unit area is about
1.5~2.5kg, it is good that the performance indicators such as pulling force extension, water penetration, nail rod tearing strength, expansion and contraction show that composite sheet material has
Non-deformability, thermal aging test react institute's invention composite sheet material have good weather resistance, Existing reinforced concrete bridge roofing more
There is good application in new transformation.
To sum up embodiment, novel heat insulation and water proof composite sheet material of the present invention are to be with nanometer grade silica aerogel blanket
Core strengthens ventilated membrane, base's protective film using environment-friendly type hot melt pressure sensitive adhesive bonding non-woven fabrics, bonds work through hot melt gluing overlay film
Skill is made into integration.According to test and practical application, the composite sheet material is applied to Existing reinforced concrete bridge pitched roof and not only optimizes existing room
Room roof structure and energy saving improve the comfort lived and used, more improve the durability of Existing reinforced concrete bridge roofing, especially suitable
It renovates engineering in Existing reinforced concrete bridge roofing.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, not influence this
The substantive content of invention.
Claims (10)
1. a kind of thermal-insulating waterproof composite sheet material suitable for roofing transformation, which is characterized in that the composite sheet material is mainly by thermal insulation separation
Hot core material, non-woven fabrics strengthen ventilated membrane and base's protective film composition, this three parts is suppressed integrally by hot-fusible pressure-sensitive adhesive,
In:
The heat insulation and insulated core material is aerosil felt；
The non-woven fabrics strengthens ventilated membrane and is covered in heat insulation and insulated core material upper surface；
Base's protective film is auxiliary to be affixed on the heat insulation and insulated core material lower surface.
2. the thermal-insulating waterproof composite sheet material according to claim 1 suitable for roofing transformation, which is characterized in that the heat preservation
Insulated core material with a thickness of 6~8mm.
3. the thermal-insulating waterproof composite sheet material according to claim 1 suitable for roofing transformation, which is characterized in that the nonwoven
It is that heat is compound in the polyvinyl resin film upper and lower surfaces by polyvinyl resin film and respectively that cloth, which strengthens ventilated membrane,
The integrated film that polypropylene long fiber free-weaving fabric is formed, wherein intermediate layer polyethylene resin film is main water barrier.
4. the thermal-insulating waterproof composite sheet material according to claim 1 suitable for roofing transformation, which is characterized in that the base
Protective film is the vapour-binding film with good steam isolation performance.
5. the thermal-insulating waterproof composite sheet material according to claim 1 suitable for roofing transformation, which is characterized in that the heat preservation
Core material, non-woven fabrics strengthen ventilated membrane and base's protective film by melt pressure sensitive glue bond, and gluing form is dot type or strip type,
Spacing between two neighboring dotted or strip is 2~3cm.
6. the thermal-insulating waterproof composite sheet material according to claim 1-5 suitable for roofing transformation, which is characterized in that
The overall thickness that the non-woven fabrics strengthens ventilated membrane is 0.4-0.6mm.
7. a kind of preparation method of the thermal-insulating waterproof composite sheet material described in any one of claims 1-6 suitable for roofing transformation,
It is characterised by comprising:
Heating hot melt adhesive makes it at molten condition, and hot-melt is distributed in aerosil felt using hot melt adhesive machine system
Upper and lower surfaces；
Non-woven fabrics reinforcing ventilated membrane is flat on aerosil felt upper surface, base's protective film is superimposed on silica
Aerogel blanket lower surface compresses and is kept for a period of time；
Non-woven fabrics after above-mentioned compression is strengthened ventilated membrane, aerosil felt, base's protective film to be rolled into using folder rod
Type, fixed length are intercepted and are rolled, and obtain the thermal-insulating waterproof composite sheet material for being suitable for roofing transformation.
8. the preparation method of the thermal-insulating waterproof composite sheet material according to claim 7 suitable for roofing transformation, feature exist
In the heating hot melt adhesive, in which: keeping temperature when hot melt adhesive heats is 160~180 degree, heating time 80-100 minute.
9. the preparation method of the thermal-insulating waterproof composite sheet material according to claim 7 suitable for roofing transformation, feature exist
In the hot melt adhesive is coated on aerosil felt in the form of dotted or strip glue spraying, and spraying point spacing is 2~3cm.
10. according to the preparation method of the described in any item thermal-insulating waterproof composite sheet materials suitable for roofing transformation of claim 7-9,
It is characterized in that, the composite sheet material fixed length intercepts 10m or 20m.
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Cited By (3)
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| CN110469350A (en) * | 2019-09-20 | 2019-11-19 | 铁科创恒新材料科技有限公司 | A kind of barrier steam heat-insulating material |
| CN112721339A (en) * | 2020-12-31 | 2021-04-30 | 福建闽华建材科技发展有限公司 | Environment-friendly polymer composite waterproof coiled material and preparation method thereof |
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| CN110469350A (en) * | 2019-09-20 | 2019-11-19 | 铁科创恒新材料科技有限公司 | A kind of barrier steam heat-insulating material |
| CN110469350B (en) * | 2019-09-20 | 2024-04-09 | 铁科创恒新材料科技有限公司 | Water vapor blocking heat insulation material |
| CN112721339A (en) * | 2020-12-31 | 2021-04-30 | 福建闽华建材科技发展有限公司 | Environment-friendly polymer composite waterproof coiled material and preparation method thereof |
| CN114953675A (en) * | 2022-05-24 | 2022-08-30 | 大禹九鼎新材料科技有限公司 | Waterproof coiled material and preparation method and application thereof |
| CN114953675B (en) * | 2022-05-24 | 2024-01-09 | 大禹九鼎新材料科技有限公司 | Waterproof coiled material and preparation method and application thereof |
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