CN107044139A - Self-adhering-type waterstop and production method - Google Patents
Self-adhering-type waterstop and production method Download PDFInfo
- Publication number
- CN107044139A CN107044139A CN201611189769.8A CN201611189769A CN107044139A CN 107044139 A CN107044139 A CN 107044139A CN 201611189769 A CN201611189769 A CN 201611189769A CN 107044139 A CN107044139 A CN 107044139A
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- Prior art keywords
- waterstop
- base material
- adhering
- sensitive adhesive
- self
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 39
- 239000003292 glue Substances 0.000 claims abstract description 36
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims abstract description 23
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 11
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 8
- 229920002367 Polyisobutene Polymers 0.000 claims description 7
- 239000003963 antioxidant agent Substances 0.000 claims description 7
- 230000003078 antioxidant effect Effects 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 238000010257 thawing Methods 0.000 claims description 7
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 7
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- 239000004611 light stabiliser Substances 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 3
- 239000001828 Gelatine Substances 0.000 claims description 2
- 229920000159 gelatin Polymers 0.000 claims description 2
- 235000019322 gelatine Nutrition 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 2
- VSKJLJHPAFKHBX-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 VSKJLJHPAFKHBX-UHFFFAOYSA-N 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 238000009434 installation Methods 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 description 5
- 239000008397 galvanized steel Substances 0.000 description 5
- 150000001336 alkenes Chemical class 0.000 description 4
- LOPSVNDIKSQVRX-UHFFFAOYSA-N benzene 2-methylbuta-1,3-diene styrene Chemical compound C1=CC=CC=C1.C=CC(C)=C.C=CC1=CC=CC=C1 LOPSVNDIKSQVRX-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013007 heat curing Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- 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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C09J123/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C09J123/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefines
-
- 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
-
- 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
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- 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
-
- 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
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/124—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
-
- 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
- C09J2301/302—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 the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- 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
- C09J2301/304—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 the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Sealing Material Composition (AREA)
Abstract
Self-adhering-type waterstop and production method, to effectively improve waterstop installation efficiency and water resistance.Self-adhering-type waterstop, including waterstop base material, the transverse ends of waterstop base material are sealing section, and the upper surface of the sealing section, lower surface coating hot-fusible pressure-sensitive adhesive formation Waterproof glue line, Waterproof glue line outer covering form cohesive separation layer therewith.The prepared and hot-fusible pressure-sensitive adhesive that uses with concrete peel strength, hold viscosity and be much larger than existing hot-fusible pressure-sensitive adhesive, can be with young concrete structure formation secure bond, it is ensured that waterstop has excellent adhesive property and water resistance.
Description
Technical field
The present invention relates to the waterproof technique of Construction of Civil Engineering seam, more particularly to a kind of self-adhering-type waterstop and producer
Method.
Background technology
Underground engineering due to construction technology the need for must stay and set construction joint, including vertical equity construction joint is vertical with ring applies
Work is stitched.With reference to《Technical code for water proof in underground engineering》And engineering practice, in setting in the middle part of the construction joint buried water stop effect compared with
It is good.Existing middle buried water stop mainly has steel plate water stopper and rubber fastening band, and the two is in engineering construction and water-stagnating effect side
Face difference is larger.Steel plate water stopper is easily installed, but water-stagnating effect and endurance quality slightly owe ideal；Rubber-like waterstop sealing is imitated
Fruit and durability are preferable but not easy to install.Waterstop of the present invention can make up the defect of above two waterstop simultaneously, and have two concurrently
The advantage of person.
The construction joint commonly used in existing underground engineering carries steel plate water stopper or galvanized steel plain sheet waterstop with sealing.But existing
There is following point in real application：
Steel plate water stopper or galvanized steel plain sheet waterstop material are rigidly larger, are easy in place in construction and install, but due to it
Easily form the desciccation crack of larger width between cast-in-place concrete to cause percolating water, water-stagnating effect is not ideal.
Steel plate water stopper easily occurs electrochemical corrosion, causes steel plate to produce corrosion when contact band is corrosive underground water,
Serious time several years, which can become rusty, wears rotten, loses water-stagnating effect.Though galvanized steel plain sheet waterstop protects body in Zinc coat
Steel plate, but because field test means are limited, zinc coating thickness is difficult to detect, and if exist zinc-plated uneven or have plating leakage point, this
The meeting accelerated corrosion of body steel plate, can run counter to desire on the contrary.
Steel plate water stopper or galvanized steel plain sheet waterstop scene overlap joint need full weld, and welding quality is easily by manual operation factor shadow
Ring, and welding easy damaged galvanized steel plain sheet waterstop Zinc coat, overlap quality unstable.
The construction joint commonly used in existing underground engineering carries rubber fastening band or rubber watertight strip with sealing.But existing
There is following point in real application：
Rubber fastening band is elastomeric material with rubber watertight strip, flexible larger, its shape between cast-in-place concrete
Into desciccation crack it is smaller, ideally water-stagnating effect is more excellent；Yet with inconvenience peace in flexible material work progress
Dress, joint scene is difficult to heat cure docking processing, often forms dislocation, distortion, lodging phenomenon, joint processing is not good at, so as to lead
Cause percolating water.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of self-adhering-type waterstop, are applied with effectively improving waterstop installation
Work efficiency rate and water resistance.
The technical solution adopted for the present invention to solve the technical problems is as follows：
The self-adhering-type waterstop of the present invention, including waterstop base material, the transverse ends of waterstop base material are sealing section, and it is special
Levying is：The upper surface of sealing section, lower surface coating hot-fusible pressure-sensitive adhesive formation Waterproof glue line, Waterproof glue line outer covering shape therewith
Into cohesive separation layer.
Another technical problem to be solved by this invention is to provide a kind of production method of above-mentioned self-adhering-type waterstop, with big
Improve to amplitude Waterproof glue line and concrete peel strength, hold viscosity, it is ensured that the water resistance of waterstop.This method includes as follows
Step：Selected waterstop base material；Waterstop base material is preheated 5~10 minutes in 80~100 DEG C of drying box, by melt pressure sensitive
Glue is heated to 160~180 DEG C, after being coated onto the upper surface of waterstop base material sealing section after its completely melting, on lower surface
Form Waterproof glue line；Treat that Waterproof glue line surface temperature is reduced to 80 DEG C~room temperature, bonding is formed therewith in Waterproof glue line outer covering
Separation layer.
The component of the preparing raw material of the hot-fusible pressure-sensitive adhesive by weight is：100 parts of polyisobutene, styrene-isoamyl two
3.0 parts of 70~100 parts of alkene-styrene, 110 parts of C5 Petropols, 3.0 parts of titanium dioxide or carbon black, 1.0 parts of antioxidant, light is steady
Determine 0.5 part of agent, 0.5 part of ultra-violet absorber.
The hot-fusible pressure-sensitive adhesive is prepared as follows：The preparing raw material of hot-fusible pressure-sensitive adhesive is added into kneader in batches
In, and be heated thawing and stir, speed of agitator is controlled at 100~150 revs/min；After each component is melted completely,
Continue to stir 1.5~2 hours, and keep the temperature at 160~180 DEG C；Finally discharge stand-by.
The beneficial effects of the invention are as follows, waterstop installation efficiency and water resistance are effectively improved, can be with cast-in-place coagulation
Form full viscous between soil, block penetrating passage；Reduce corrosivity underground water and waterstop contact area, improve the durable of waterstop
Property；Sealing band body is rigidity preferably material, is easily installed in construction in place, solves rubber fastening band and stops with steel side rubber
In water band installation process the problem of dislocation, distortion, lodging；It is easy to live overlap joint, is not required to welding or live heat cure docking, only
Joint area barrier film, bonding need to be torn；When the temperature of the surroundings is low, it can slightly toast and can be bonded using air-heater,
Overlap reliable in quality；It is prepared and use hot-fusible pressure-sensitive adhesive with concrete peel strength, hold viscosity be much larger than existing hot melt
Pressure sensitive adhesive, can be with young concrete structure formation secure bond, it is ensured that waterstop has excellent adhesive property and water proofing property
Energy.
Brief description of the drawings
This specification includes such as next width accompanying drawing：
Fig. 1 is the structural representation of self-adhering-type waterstop of the present invention；
Fig. 2 is the structural representation of sealing section in self-adhering-type waterstop of the present invention.
Component and corresponding mark are shown in figure：Base material 1, sealing section L, Waterproof glue line 2, separation layer 3.
Embodiment
Invention is further illustrated with reference to the accompanying drawings and examples.
Reference picture 1, self-adhering-type waterstop of the invention, including waterstop base material 1, the transverse ends of waterstop base material 1 are
Sealing section L.Reference picture 2, the upper surface of the sealing section L, lower surface coating hot-fusible pressure-sensitive adhesive formation Waterproof glue line 2, marine glue
2 outer covering of layer form cohesive separation layer 3 therewith.When waterstop is installed, only separation layer 3, Waterproof glue line 2 and installation portion need to be torn
The concrete structure bonding of position, effectively improves waterstop installation efficiency.
The waterstop base material 1 is rubber substrate waterstop, plastic basis material waterstop, thermoplastic elastomer (TPE) base material sealing
Band, it is firm in rubber substrate waterstop, it is firm while plastic basis material waterstop or firm side thermoplastic elastomer (TPE) base material waterstop in it is any
It is a kind of.The separation layer 3 can use thermoplastic polymeric thin film, one side or two-sided painting silicon, it is preferred to use two-sided painting silicon thermoplasticity
Polymer thin film, with excellent mechanical strength, and is easily peeled off in work progress from the hot-fusible pressure-sensitive adhesive surface in sealing area,
It can keep using for a long time.
The production method of the self-adhering-type waterstop of the present invention, comprises the following steps：
1. waterstop base material 1 is selected；
2. waterstop base material 1 is preheated 5~10 minutes in 80~100 DEG C of drying box, hot-fusible pressure-sensitive adhesive is heated to
160~180 DEG C, after being coated onto waterstop base material 1 sealing section L upper surface after its completely melting, form anti-on lower surface
Gelatine layer 2；
3. treat that the surface temperature of Waterproof glue line 2 is reduced to 80 DEG C~room temperature, form cohesive therewith in the outer covering of Waterproof glue line 2
Separation layer 3.
The component of the preparing raw material of the hot-fusible pressure-sensitive adhesive by weight is：100 parts of polyisobutene, styrene-isoamyl two
3.0 parts of 70~100 parts of alkene-styrene, 110 parts of C5 Petropols, 3.0 parts of titanium dioxide or carbon black, 1.0 parts of antioxidant, light is steady
Determine 0.5 part of agent, 0.5 part of ultra-violet absorber.
The hot-fusible pressure-sensitive adhesive is prepared as follows：The preparing raw material of hot-fusible pressure-sensitive adhesive is added into kneader in batches
In, and be heated thawing and stir, speed of agitator is controlled at 100~150 revs/min；After each component is melted completely,
Continue to stir 1.5~2 hours, and keep the temperature at 160~180 DEG C；Finally discharge stand-by.
Embodiment 1
The component of the preparing raw material of hot-fusible pressure-sensitive adhesive by weight is：Polyisobutene 100, styrene-isoprene-benzene second
Alkene 70, C5 Petropols 110, titanium dioxide 3.0, antioxidant 1.0, light stabilizer 0.5, ultra-violet absorber 0.5.
Preparing raw material is added in kneader in batches, and is heated thawing and stirs, speed of agitator control exists
100~150 revs/min；After after each component completely melting, continue to stir 1.5~2 hours, and keep the temperature at 160~180
℃；Finally discharge stand-by.
Waterstop base material 1 is preheated 5~10 minutes in 80~100 DEG C of drying box, then hot-fusible pressure-sensitive adhesive is heated
To 160~180 DEG C, after being coated onto waterstop base material 1 sealing section L upper surface after its completely melting, formed on lower surface
Waterproof glue line 2, thickness is 1.0mm.Treat that melt pressure sensitive treats that the surface temperature of Waterproof glue line 2 is reduced to 80 DEG C again, in outside Waterproof glue line 2
Covering forms cohesive separation layer 3 therewith.
Rolled to roll on separation layer 3 with the pressure of 40~55 newton and be depressed into separation layer 3 and fitted with Waterproof glue line 2 uniformly, band production
Packing storage is carried out after product cooling completely.
Embodiment 2
The component of the preparing raw material of hot-fusible pressure-sensitive adhesive by weight is：Polyisobutene 100, styrene-isoprene-benzene second
Alkene 80, C5 Petropols 110, carbon black 3.0, antioxidant 1.0, light stabilizer 0.5, ultra-violet absorber 0.5.
Preparing raw material is added in kneader in batches, and is heated thawing and stirs, speed of agitator control exists
100~150 revs/min；After after each component completely melting, continue to stir 1.5~2 hours, and keep the temperature at 160~180
℃；Finally discharge stand-by.
Waterstop base material 1 is preheated 5~10 minutes in 80~100 DEG C of drying box, then hot-fusible pressure-sensitive adhesive is heated
To 160~180 DEG C, after being coated onto waterstop base material 1 sealing section L upper surface after its completely melting, formed on lower surface
Waterproof glue line 2, thickness is 1.0mm.Treat that melt pressure sensitive treats that the surface temperature of Waterproof glue line 2 is reduced to 60 DEG C again, in outside Waterproof glue line 2
Covering forms cohesive separation layer 3 therewith.
Rolled to roll on separation layer 3 with the pressure of 40~55 newton and be depressed into separation layer 3 and fitted with Waterproof glue line 2 uniformly, band production
Packing storage is carried out after product cooling completely.
Embodiment 3
The component of the preparing raw material of hot-fusible pressure-sensitive adhesive by weight is：Polyisobutene 100, styrene-isoprene-benzene second
Alkene 80, C9 Petropols 110, titanium dioxide 3.0, antioxidant 1.0, light stabilizer 0.5, ultra-violet absorber 0.5.
Preparing raw material is added in kneader in batches, and is heated thawing and stirs, speed of agitator control exists
100~150 revs/min；After after each component completely melting, continue to stir 1.5~2 hours, and keep the temperature at 160~180
℃；Finally discharge stand-by.
Waterstop base material 1 is preheated 5~10 minutes in 80~100 DEG C of drying box, then hot-fusible pressure-sensitive adhesive is heated
To 160~180 DEG C, after being coated onto waterstop base material 1 sealing section L upper surface after its completely melting, formed on lower surface
Waterproof glue line 2, thickness is 1.0mm.Treat that melt pressure sensitive treats that the surface temperature of Waterproof glue line 2 is reduced to 50 DEG C again, in outside Waterproof glue line 2
Covering forms cohesive separation layer 3 therewith.
Rolled to roll on separation layer 3 with the pressure of 40~55 newton and be depressed into separation layer 3 and fitted with Waterproof glue line 2 uniformly, band production
Packing storage is carried out after product cooling completely.
Embodiment 4.
The component of the preparing raw material of hot-fusible pressure-sensitive adhesive by weight is：Polyisobutene 100, styrene-isoprene-benzene second
Alkene 100, C9 Petropols 110, titanium dioxide 3.0, antioxidant 1.0, light stabilizer 0.5, ultra-violet absorber 0.5.
Preparing raw material is added in kneader in batches, and is heated thawing and stirs, speed of agitator control exists
100~150 revs/min；After after each component completely melting, continue to stir 1.5~2 hours, and keep the temperature at 160~180
℃；Finally discharge stand-by.
Waterstop base material 1 is preheated 5~10 minutes in 80~100 DEG C of drying box, then hot-fusible pressure-sensitive adhesive is heated
To 160~180 DEG C, after being coated onto waterstop base material 1 sealing section L upper surface after its completely melting, formed on lower surface
Waterproof glue line 2, thickness is 1.0mm.Treat that melt pressure sensitive treats that the surface temperature of Waterproof glue line 2 is reduced to 70 DEG C again, in outside Waterproof glue line 2
Covering forms cohesive separation layer 3 therewith.
Rolled to roll on separation layer 3 with the pressure of 40~55 newton and be depressed into separation layer 3 and fitted with Waterproof glue line 2 uniformly, band production
Packing storage is carried out after product cooling completely.
Each embodiment test result is as follows：
As seen from the above table, the present invention it is prepared and it is the hot-fusible pressure-sensitive adhesive that uses with concrete peel strength, hold sticky remote
, can be with young concrete structure formation secure bond, it can be ensured that waterstop has excellent glue more than existing hot-fusible pressure-sensitive adhesive
Tie performance and water resistance.
Some principles of the present invention described above that simply explains through diagrams, are not intended to the present invention being confined to shown and institute
In the concrete structure and the scope of application stated, therefore every corresponding modification for being possible to be utilized and equivalent, belong to this hair
Bright apllied the scope of the claims.
Claims (6)
1. self-adhering-type waterstop, including waterstop base material (1), the transverse ends of waterstop base material (1) are sealing section (L), and it is special
Levying is：The upper surface of the sealing section (L), lower surface coating hot-fusible pressure-sensitive adhesive formation Waterproof glue line (2), Waterproof glue line (2) is outside
Covering forms cohesive separation layer (3) therewith.
2. self-adhering-type waterstop as claimed in claim 1, it is characterized in that：The waterstop base material (1) is rubber substrate sealing
Band, plastic basis material waterstop, thermoplastic elastomer (TPE) base material waterstop, steel the plastic basis material sealing in rubber substrate waterstop, steel
Band or steel side thermoplastic elastomer (TPE) base material waterstop in any one.
3. the preparation method of self-adhering-type waterstop as claimed in claim 1, it is characterized in that：The separation layer (3) is thermoplasticity
Polymer thin film.
4. the production method of the self-adhering-type waterstop as described in claims 1 to 3 any one, comprises the following steps：
1. waterstop base material (1) is selected；
2. waterstop base material (1) is preheated 5~10 minutes in 80~100 DEG C of drying box, hot-fusible pressure-sensitive adhesive is heated to 160
~180 DEG C, after being coated onto waterstop base material (1) sealing section upper surface of (L) after its completely melting, form anti-on lower surface
Gelatine layer (2)；
3. treat that Waterproof glue line (2) surface temperature is reduced to 80 DEG C~room temperature, outer covering forms cohesive therewith in Waterproof glue line (2)
Separation layer (3).
5. the production method of self-adhering-type waterstop as claimed in claim 4, it is characterized in that the preparation of the hot-fusible pressure-sensitive adhesive is former
Expect that component by weight is：100 parts of polyisobutene, 70~100 parts of styrene-isoprene-phenylethene, C5 Petropols
110 parts, 3.0 parts of 3.0 parts of titanium dioxide or carbon black, 1.0 parts of antioxidant, 0.5 part of light stabilizer, 0.5 part of ultra-violet absorber.
6. the production method of self-adhering-type waterstop as claimed in claim 5, it is characterized in that the hot-fusible pressure-sensitive adhesive presses such as lower section
It is prepared by method：The preparing raw material of hot-fusible pressure-sensitive adhesive is added in kneader in batches, and is heated thawing and stirs, is stirred
Rotating speed is controlled at 100~150 revs/min；After after each component completely melting, continue to stir 1.5~2 hours, and temperature is kept
At 160~180 DEG C；Finally discharge stand-by.
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| CN107722925A (en) * | 2017-09-22 | 2018-02-23 | 广东能辉新材料科技有限公司 | Hot-fusible pressure-sensitive adhesive and preparation method thereof |
| CN111421945A (en) * | 2020-05-27 | 2020-07-17 | 衡水中铁建工程橡胶有限责任公司 | Two-sided rubber coating equipment of coiled material |
| CN113322803A (en) * | 2021-05-10 | 2021-08-31 | 中国铁路设计集团有限公司 | Double-face combined anti-sticking type buried water stop belt with simple structure |
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| CN113322803A (en) * | 2021-05-10 | 2021-08-31 | 中国铁路设计集团有限公司 | Double-face combined anti-sticking type buried water stop belt with simple structure |
| CN113322803B (en) * | 2021-05-10 | 2023-03-10 | 中国铁路设计集团有限公司 | Double-face combined anti-sticking type buried water stop belt with simple structure |
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