CN109504307B - Sealing water-blocking adhesive tape and application thereof - Google Patents
Sealing water-blocking adhesive tape and application thereof Download PDFInfo
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- CN109504307B CN109504307B CN201710822212.1A CN201710822212A CN109504307B CN 109504307 B CN109504307 B CN 109504307B CN 201710822212 A CN201710822212 A CN 201710822212A CN 109504307 B CN109504307 B CN 109504307B
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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
- C09J133/00—Adhesives 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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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
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
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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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/16—Metal
- C09J2400/163—Metal in the substrate
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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
- 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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- 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
- C09J2427/00—Presence of halogenated polymer
- C09J2427/006—Presence of halogenated polymer in the substrate
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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
- C09J2433/00—Presence of (meth)acrylic polymer
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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
- C09J2475/00—Presence of polyurethane
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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
- C09J2483/00—Presence of polysiloxane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention relates to a sealing water-blocking adhesive tape and application thereof, wherein the sealing water-blocking adhesive tape comprises a substrate layer, a functional adhesive layer and a release material layer which are sequentially stacked, the substrate layer comprises a PVC layer and an aluminum foil layer which are sequentially arranged, one surface of the PVC layer is bonded with the aluminum foil layer through an adhesive layer, and the functional adhesive layer is arranged on the other surface of the PVC layer. The substrate layer of the sealed water-blocking adhesive tape mainly adopts aluminum foil and PVC, has high water resistance and weather resistance, and simultaneously has good overall conformability, the functional adhesive layer arranged on the PVC has the advantages of long-term weather resistance and viscosity retention, no more than 20 percent of attenuation before and after the adhesion aging, low water permeability, good insulativity and the like.
Description
Technical Field
The invention relates to a sealing water-blocking adhesive tape and application thereof in sealing solar cell modules, building waterproofing, wire and cable joints and the like.
Background
In the field of photovoltaic power generation, the periphery of the existing component is sealed by using silica gel, so that the water vapor transmittance is high, and water vapor enters due to cracks generated in the aging process; the frame of the photovoltaic module is also bonded and sealed by adopting PE foam, and the frame can be pulverized and the like after being used outdoors for a long time, so that the safety of the module, such as wet leakage and the like, is insufficient; butyl rubber adhesive tapes are commonly used around the frameless assembly, and the butyl rubber adhesive tapes have insufficient adhesion after aging and low glass transition temperature and creep resistance; aiming at the damage of the backboard of the assembly, after the backboard is repaired by using the repairing adhesive tape, certain gaps exist between the repairing adhesive tape and the silica gel around the assembly and between the repairing adhesive tape and the silica gel around the junction box, when the repairing adhesive tape is used for sealing again, the moisture transmittance is high, the aging cracks still exist, the actual operation action is complicated, and the curing time of the silica gel is long.
In the field of building waterproofing, the flexible waterproof material has poor plasticity, is difficult to treat waterproof parts with variable or narrow opposite properties, is easy to leave gaps and weak points, and simultaneously, a waterproof base surface needs to be completely flat and smooth, otherwise, the conditions of layering, bulging and water channeling appear in the later period; the rigid waterproof material has no ductility and cannot be used for construction of prefabricated plate roof tops or parts with large structural changes.
The wire and cable joint adopts the non-substrate insulating rubber to carry out multilayer winding, and because the glass transition temperature of the rubber is low and the fluidity is large, the adhesive tape made by coating the rubber type pressure-sensitive adhesive on the PVC substrate is required to be wound and fixed on the outer layer again, and the actual operation is complicated.
Chinese patent publication No. CN102646740A discloses an adhesive tape, and a solar module and a product made of the adhesive tape, the adhesive tape includes: the bonding layer and the ageing-resistant protective layer that play bonding and shock attenuation effect, the bonding layer is used for contacting with the article edge, wherein the bonding layer includes: a substrate layer; and optionally a first subbing layer and a second subbing layer located opposite on either side of the substrate layer, wherein the first subbing layer is in contact with the article; the protective layer is on the adhesive layer, the protective layer comprising: an optional primer layer on the tie layer; and a film layer on the primer layer or the second glue layer or the substrate layer. The substrate layer is made of foaming material or foaming material coated with glue. Although the adhesive tape has a certain water-blocking effect, the water-blocking effect is not obvious, the foaming material is thicker, the adhesive tape is poor in sticking property, and is easy to deform after aging, and corners are easy to bulge due to overlapping.
Disclosure of Invention
The present invention seeks to overcome the deficiencies of the prior art by providing an improved hermetic water-blocking tape.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a sealed sticky tape that blocks water, includes substrate layer, the function glue film that stacks gradually the setting and leaves the type material layer, the substrate layer is including the PVC layer and the aluminium foil layer that set gradually, bond through the adhesive layer between a surface on PVC layer and the aluminium foil layer, the function glue film sets up another on the surface on PVC layer.
According to a further embodiment of the present invention, the substrate layer further comprises a protective layer disposed on the aluminum foil layer, the aluminum foil layer being located between the protective layer and the PVC layer.
Preferably, the protective layer is a PE layer.
According to a further embodiment of the invention, raw materials for preparing the functional adhesive layer comprise a main material and an organic solvent, wherein the main material is one or a combination of a pressure-sensitive adhesive and rubber, and preferably the main material is a mixture of the pressure-sensitive adhesive and the rubber in a mass ratio of 1-10: 1. In a specific embodiment, the pressure-sensitive adhesive is added in an amount of solid content.
Preferably, the pressure-sensitive adhesive is one or a combination of more of acrylic pressure-sensitive adhesive, silica gel pressure-sensitive adhesive and polyurethane pressure-sensitive adhesive, and the rubber is one or a combination of more of natural rubber and synthetic rubber.
Preferably, the raw materials for preparing the functional adhesive layer further comprise a compatilizer, and the mass ratio of the compatilizer to the rubber is 0.1-1.5: 1.
Preferably, the raw materials for preparing the functional adhesive layer further comprise an auxiliary agent, and the mass ratio of the auxiliary agent to the rubber is 0.05-1.5: 1. the auxiliary agent includes but is not limited to one or more combination of curing agent, ultraviolet absorbent, initiator and tackifier.
Preferably, the material of the adhesive layer is structural adhesive, preferably moisture-heat resistant polyester structural adhesive.
Preferably, the thickness of the aluminum foil layer is 20-100 microns, the thickness of the adhesive layer is 5-30 microns, the thickness of the PVC layer is 20-100 microns, and the thickness of the functional adhesive layer is 20-100 microns.
The front water transmittance of the sealing water-blocking adhesive tape is not more than 2.0 g/(m)2Day) and side water permeability of not more than 10 g/(m)2·day)。
According to another technical scheme adopted by the invention, the sealing water-blocking adhesive tape is used for sealing photovoltaic modules, power stations and building waterproof and wire and cable joints.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the base material layer of the sealed water-blocking adhesive tape mainly adopts aluminum foil and PVC, has high water resistance and weather resistance, simultaneously has good overall conformability, and the functional adhesive layer arranged on the PVC has the advantages of long-term weather resistance and viscosity retention, attenuation before and after adhesion aging of not more than 20 percent, low water permeability, good insulativity and the like.
Drawings
Drawings
FIG. 1 is a schematic view of the construction of the sealing water-blocking tape of the present invention;
FIG. 2 is a schematic structural view of a substrate layer of the sealing water-blocking tape of the present invention;
in the figure: 1. a substrate layer; 2. a functional adhesive layer; 3. a release material layer; 4. a protective layer; 5. an aluminum foil layer; 6. an adhesive layer; 7. a PVC layer.
Detailed Description
The scheme of the invention is further explained by combining the drawings in the specification.
As shown in fig. 1-2, the invention provides a sealing water-blocking adhesive tape, which comprises a substrate layer 1, a functional adhesive layer 2 and a release material layer 3, which are sequentially stacked, wherein the substrate layer 1 comprises a PVC layer 7, an aluminum foil layer 5 and a protective layer 4, which are sequentially stacked, one surface of the PVC layer 7 is bonded with the aluminum foil layer 5 through an adhesive layer 6, and the functional adhesive layer 2 is arranged on the other surface of the PVC layer 7. The main purpose of the solution is that the functional glue layer has a certain degree for the back plate, the aluminum frame and the silica gel of the solar component, and the prefabricated plate roof of the building and the likeThe adhesive property of (1) and the adhesive force attenuation after aging is not more than 20%; meanwhile, the adhesive tape has waterproofness, and particularly, the side surface of the adhesive tape has water permeability less than 10 g/(m)2Day), the functional glue layer has insulating property to ensure the safety of the component during operation; because the base material layer used by the adhesive tape mainly comprises aluminum foil and PVC, and the moisture-proof and heat-proof polyester adhesive is used between the aluminum foil and the PVC, the front surface of the adhesive tape can be effectively ensured to have water permeability less than 2 g/(m)2Day), and simultaneously, a protective layer such as PE (polyethylene) is sprayed on the outer surface of the aluminum foil, so that the surface of the aluminum foil is prevented from being oxidized and scratched, and in addition, the adhesion between the PE sprayed on the surface of the aluminum foil and the sealing water-blocking adhesive tape is larger than 2N/cm, so that the non-sticking condition at the joint of the adhesive tapes is avoided.
The thickness of the protective layer 4 is 5-50 μm, such as PE layer.
The thickness of the aluminum foil layer 5 is 20-100 micrometers.
The thickness of the adhesive layer 6 is 5-30 microns. The material for the adhesive layer 6 is a structural adhesive, for example, a structural adhesive selected from the group consisting of moisture and heat resistant polyester structural adhesives.
The thickness of the PVC layer 7 is 20-100 microns.
The raw materials for preparing the functional adhesive layer 2 comprise a main material and an organic solvent, wherein the main material can be one or a combination of a pressure-sensitive adhesive and rubber, preferably, the main material is a mixture of the pressure-sensitive adhesive and the rubber, and the mass ratio of the pressure-sensitive adhesive to the rubber is 1-10: 1, the functional adhesive layer has weather resistance of both pressure-sensitive adhesive and rubber, more preferably, the pressure-sensitive adhesive is one or a combination of more of acrylic pressure-sensitive adhesive, silica gel pressure-sensitive adhesive and polyurethane pressure-sensitive adhesive, and the rubber is one or a combination of more of natural rubber and synthetic rubber.
In some specific embodiments, the raw materials for preparing the functional adhesive layer 2 further include a compatilizer, and the mass ratio of the compatilizer to the rubber is 0.1-1.5: 1.
in some specific embodiments, the raw materials for preparing the functional adhesive layer 2 further include an auxiliary agent, and the mass ratio of the auxiliary agent to the rubber is 0.05-1.5: 1. the auxiliary agent includes but is not limited to one or more combination of curing agent, ultraviolet absorbent, initiator and tackifier. Curing agents such as aliphatic isocyanate type curing agents, alicyclic epoxy curing agents and the like, ultraviolet absorbers such as salicylate type ultraviolet absorbers and the like, tackifiers such as terpene tackifying resins and the like, initiators such as dibenzoyl peroxide.
The front water transmittance of the sealing water-blocking adhesive tape is not more than 2.0 g/(m)2Day) and side water permeability of not more than 10 g/(m)2·day)。
The base material layer of the sealed water-blocking adhesive tape adopts the protective layer, the aluminum foil, the structural adhesive and the PVC, so that the base material layer has hydrolysis resistance, ultraviolet irradiation resistance, acid and alkali resistance and scratch resistance, the surface of the aluminum foil is not scratched or oxidized, and the whole structure can achieve good water-blocking performance.
The main material of the functional adhesive layer of the adhesive tape is long-term weather-resistant adhesive-protecting glue, such as one or a mixture of acrylic pressure-sensitive adhesive, silica gel pressure-sensitive adhesive, polyurethane pressure-sensitive adhesive, natural rubber, synthetic rubber and the like, the attenuation before and after the adhesive aging is not more than 20%, and the water permeability of the front surface of the adhesive tape is not more than 2.0 g/(m) m2Day), 10 g/(m) water permeability on the tape side2Day), good adhesion, strong water-blocking and weather-resistance, and good creep resistance.
When the adhesive tape is used, the adhesive property between the PE surface of the laminating film and the adhesive surface of the sealing water-blocking adhesive tape is good at the lap joint part between the adhesive tapes.
The sealing water-blocking adhesive tape can be widely used for sealing photovoltaic components, power stations, buildings and wire and cable joints.
Preferred embodiments of the present invention will be described in detail with reference to specific examples.
Example 1
The embodiment provides a sealed sticky tape that blocks water, including substrate layer, the function glue film that stacks gradually the setting and from the type material layer, PVC layer, aluminium foil layer and the protective layer of substrate layer for stacking gradually the setting, bond through the adhesive layer between a surface on PVC layer and the aluminium foil layer, and the function glue film sets up on another surface on PVC layer.
In this example, the PE film layer has a thickness of 10 μm, the aluminum foil layer has a thickness of 50 μm, the adhesive layer is a moisture-and heat-resistant polyester adhesive having a thickness of 10 μm, and the PVC layer has a thickness of 50 μm.
The preparation method of the substrate layer comprises the following steps: and (3) coating a PE film on one surface of the aluminum foil, coating moisture-proof and heat-proof polyester adhesive on the other surface of the aluminum foil, and then compounding a PVC (polyvinyl chloride) base material on the polyester adhesive to obtain a base material layer.
In this example, the raw materials for preparing the functional adhesive layer are acrylic pressure-sensitive adhesive, styrene-butadiene rubber, organic solvent ethyl acetate, alicyclic epoxy curing agent, salicylate ultraviolet absorbent, compatilizer, and terpene tackifying resin.
The preparation method of the sealing water-blocking adhesive tape comprises the following steps:
s1: taking 100g of acrylic pressure-sensitive adhesive with 35% of solid content and 10g of styrene butadiene rubber, adding 10g of compatilizer X, and mixing and stirring uniformly by using 100g of organic solvent to obtain mother resin;
s2: taking the mother resin prepared in the step S1, adding 0.01g of curing agent with 50% of curing amount, wherein the type of the curing agent is alicyclic epoxy curing agent, adding 10g of terpene tackifying resin with the softening point of 135 ℃ and 0.5g of salicylate ultraviolet absorbent, and stirring for 5min to prepare adhesive mixed solution;
s3: and (4) coating the adhesive mixed solution prepared in the step (S2) on a PVC (polyvinyl chloride) layer of the substrate layer, wherein the thickness of the coated dry adhesive is 50 mu m, attaching the substrate layer coated with the adhesive mixed solution to a release material layer, and curing at 60 ℃ for 72 hours.
Example 2
The embodiment provides a sealed sticky tape that blocks water, including substrate layer, the function glue film that stacks gradually the setting and from the type material layer, PVC layer, aluminium foil layer and the protective layer of substrate layer for stacking gradually the setting, bond through the adhesive layer between a surface on PVC layer and the aluminium foil layer, and the function glue film sets up on another surface on PVC layer.
In this example, the PE film layer has a thickness of 10 μm, the aluminum foil layer has a thickness of 50 μm, the adhesive layer is a moisture-and heat-resistant polyester adhesive having a thickness of 10 μm, and the PVC layer has a thickness of 50 μm.
The substrate layer was prepared as in example 1.
In this example, the raw materials for preparing the functional adhesive layer are polyurethane pressure-sensitive adhesive, ethylene propylene diene monomer, compatibilizer, organic solvent, and aliphatic isocyanate type curing agent.
The preparation method of the sealing water-blocking adhesive tape comprises the following steps:
s1: taking 100g of polyurethane pressure-sensitive adhesive with 60 percent of solid content and 20g of ethylene propylene diene monomer, adding 20g of compatilizer X, and using 100g of organic solvent to mix and stir uniformly to obtain mother resin;
s2: taking the mother resin prepared in the step S1, adding 2g of a curing agent with the curing amount of 100%, wherein the curing agent is an aliphatic isocyanate curing agent, and stirring for 5min to obtain an adhesive mixed solution;
s3: and (4) coating the adhesive mixed solution prepared in the step (S2) on a PVC (polyvinyl chloride) layer of the substrate layer, wherein the thickness of the coated dry adhesive is 60 mu m, attaching the substrate layer coated with the adhesive mixed solution to a release material layer, and curing at 60 ℃ for 72 hours.
Example 3
This embodiment provides a sealed sticky tape that blocks water, including substrate layer, the function glue film that stacks gradually the setting and from the type material layer, PVC layer, aluminium foil layer and the protective layer of substrate layer for stacking gradually the setting, bond through the adhesive layer between a surface on PVC layer and the aluminium foil layer, the function glue film sets up on another surface on PVC layer.
In this example, the PE film layer has a thickness of 10 μm, the aluminum foil layer has a thickness of 50 μm, the adhesive layer is a moisture-and heat-resistant polyester adhesive having a thickness of 10 μm, and the PVC layer has a thickness of 50 μm.
The substrate layer was prepared as in example 1.
In this example, the raw materials for preparing the functional adhesive layer are silica gel pressure sensitive adhesive, chloroprene rubber, compatilizer, organic solvent and initiator (dibenzoyl peroxide).
The preparation method of the sealing water-blocking adhesive tape comprises the following steps:
s1: taking 100g of silica gel pressure-sensitive adhesive with 50% of solid content and 10g of chloroprene rubber, adding 10g of compatilizer X, and mixing and stirring uniformly by using 100g of organic solvent to obtain mother resin;
s2: taking the mother resin prepared in the step S1, adding 1.0g of dibenzoyl peroxide with the curing amount of 100%, and stirring for 5min to prepare an adhesive mixed solution;
s3: and (4) coating the adhesive mixed solution prepared in the step (S2) on a PVC (polyvinyl chloride) layer of the substrate layer, wherein the thickness of the coated dry adhesive is 50 mu m, attaching the substrate layer coated with the adhesive mixed solution to a release material layer, and curing at 60 ℃ for 24 hours.
Performance testing
Performance testing of the sealing Water-blocking tape of examples 1-3
1. Sample (I)
The samples were the sealing water-blocking tapes of examples 1-3.
2. Test method
2.1 Peel force tester test samples for 180 ° Peel force
(1) A roll-shaped or sheet-shaped sample is taken, and the product is cut into 3-5 strips with the size of 25mm multiplied by 300 mm.
(2) Mirror steel plate: the length is 150 plus or minus 1mm, the width is 50 plus or minus 1mm, and the thickness is 1.5mm-2 mm.
(3) Single-sided tape: tearing off the release material on the sticky tape, gluing the face and can not contact hand or other article, will glue the face and be connected with mirror surface steel sheet's one end, do not exert external pressure with compression roller (2Kg) under the circumstances, make a round trip 3 times with 300 mm/min's speed for glue the face and fully contact with mirror surface steel sheet, sample and mirror surface steel sheet bonding department do not allow the bubble to produce.
(4) After the preparation of the sample, the sample is stopped in a specified test environment for 20min and then tested.
(5) The free end of the sample is folded by 180 degrees, the binding surface is stripped from the test plate by 25mm, the free end of the sample and the sample plate are respectively clamped on an upper clamp and a lower clamp, the stripping surface is consistent with the force line of a testing machine, the testing machine continuously strips at the rising speed of 300mm/min +/-10 mm/min, and an automatic recorder draws a stripping curve.
(6) Test data and damage interface locations were recorded and averaged.
2.2 post-aging Peel force test machine 180 ° Peel force of test sample
(1) The sample preparation method was consistent with that described above.
(2) After the sample and the mirror steel plate are bonded, the mirror steel plate is placed in an environment with high temperature and high humidity of 85 +/-2 ℃ and 85 +/-5% R.H. for 2000H and TC (-40 ℃ -85 ℃ 6H/cycle, 200cycle), and then the mirror steel plate is taken out and stands for 2H, and the test is carried out by using the peel force test method.
(3) Test data and damage interface locations were recorded and averaged.
2.3 method for testing insulation of adhesive tape
(1) And (3) sealing the assembly to be sealed by using the prepared adhesive tape according to a construction method.
(2) Meanwhile, the sealed components are respectively placed in the environment of 85 +/-2 ℃ and 85 +/-5% R.H. for 2000h, and then taken out and kept still for 2 h.
(3) The aged assembly was immersed in water, supplied 1000V with an instrument for measuring insulation resistance at a limited dc voltage source, maintained at this voltage for 120s, and then measured for insulation resistance.
3. Test results
The test results are shown in Table 1.
Table 1 shows the results of the performance test of the sealing water-blocking tapes of examples 1-3
The results show that: the sealing water-blocking adhesive tape has good adhesive property, insulativity and water resistance.
The above embodiments are only for illustrating the technical idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention by this means. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a sealed sticky tape that blocks water, includes substrate layer, function glue film and the release material layer that stacks gradually the setting, its characterized in that: the substrate layer comprises a PVC layer and an aluminum foil layer which are sequentially arranged, one surface of the PVC layer is bonded with the aluminum foil layer through an adhesive layer, and the functional adhesive layer is arranged on the other surface of the PVC layer;
the base material layer also comprises a protective layer arranged on the aluminum foil layer, and the aluminum foil layer is positioned between the protective layer and the PVC layer;
the raw materials of the functional adhesive layer comprise a main material and an organic solvent, wherein the main material comprises pressure-sensitive adhesive and rubber in a mass ratio of 1-10: 1;
the pressure-sensitive adhesive is one or a combination of acrylic acid pressure-sensitive adhesive, silica gel pressure-sensitive adhesive and polyurethane pressure-sensitive adhesive;
the rubber is one or a combination of more of natural rubber and synthetic rubber;
the front water transmittance of the sealing water-blocking adhesive tape is not more than 2.0 g/(m)2Day) and side water permeability of not more than 10 g/(m)2·day)。
2. The sealed water-blocking tape of claim 1, wherein: the protective layer is a PE layer.
3. The sealed water-blocking tape of claim 1, wherein: the raw materials for preparing the functional adhesive layer further comprise a compatilizer, and the mass ratio of the compatilizer to the rubber is (0.1-1.5): 1.
4. the sealed water-blocking tape of claim 1, wherein: the raw materials for preparing the functional adhesive layer also comprise an auxiliary agent, wherein the mass ratio of the auxiliary agent to the rubber is 0.05-1.5: 1.
5. the sealed water-blocking tape of claim 1, wherein: the adhesive layer is made of structural adhesive.
6. The sealed water-blocking tape of claim 5, wherein: the material of the adhesive layer is a heat and humidity resistant polyester structural adhesive.
7. The sealed water-blocking tape of claim 1, wherein: the thickness of aluminium foil layer is 20~100 microns, and the thickness of adhesive layer is 5~30 microns, and the thickness on PVC layer is 20~100 microns, and the thickness of function glue film is 20~100 microns.
8. Use of the hermetic water-blocking tape according to any one of claims 1 to 7 for sealing photovoltaic modules, power stations, buildings against water, wire and cable joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710822212.1A CN109504307B (en) | 2017-09-13 | 2017-09-13 | Sealing water-blocking adhesive tape and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710822212.1A CN109504307B (en) | 2017-09-13 | 2017-09-13 | Sealing water-blocking adhesive tape and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109504307A CN109504307A (en) | 2019-03-22 |
| CN109504307B true CN109504307B (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710822212.1A Active CN109504307B (en) | 2017-09-13 | 2017-09-13 | Sealing water-blocking adhesive tape and application thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114479691A (en) * | 2022-03-16 | 2022-05-13 | 黄冈聚奥铭新材料有限公司 | Environment-friendly sound-insulation shock-absorption adhesive tape |
| CN116200137B (en) * | 2022-12-30 | 2024-11-01 | 苏州赛伍应用技术股份有限公司 | Heat-conducting exhaust adhesive tape and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051557A (en) * | 2011-02-18 | 2014-09-17 | 3M创新有限公司 | Adhesive tape and solar module and product made of same |
| CN105754508A (en) * | 2016-03-15 | 2016-07-13 | 苏州赛伍应用技术有限公司 | High-watertightness solar module edge-sealing adhesive tape |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110023945A1 (en) * | 2008-04-28 | 2011-02-03 | Asahi Kasei Chemicals Corporation | Laminate for a solar battery back-sheet and back-sheet comprisng same |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051557A (en) * | 2011-02-18 | 2014-09-17 | 3M创新有限公司 | Adhesive tape and solar module and product made of same |
| CN105754508A (en) * | 2016-03-15 | 2016-07-13 | 苏州赛伍应用技术有限公司 | High-watertightness solar module edge-sealing adhesive tape |
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| CN109504307A (en) | 2019-03-22 |
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