CN107043589A - A kind of ageing-resistant rubber waterstop - Google Patents
A kind of ageing-resistant rubber waterstop Download PDFInfo
- Publication number
- CN107043589A CN107043589A CN201710069131.9A CN201710069131A CN107043589A CN 107043589 A CN107043589 A CN 107043589A CN 201710069131 A CN201710069131 A CN 201710069131A CN 107043589 A CN107043589 A CN 107043589A
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- Prior art keywords
- ageing
- rubber
- elastic layer
- parts
- rubber elastic
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Classifications
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/02—Polyureas
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/02—Polyureas
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2407/00—Characterised by the use of natural rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2411/00—Characterised by the use of homopolymers or copolymers of chloroprene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Paleontology (AREA)
- Polymers & Plastics (AREA)
- Mining & Mineral Resources (AREA)
- Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of ageing-resistant rubber waterstop, including rubber elastic layer and polyurea protection layer, the polyurea protection layer is compounded in the rubber elastic layer outer surface；The rubber elastic layer uses one kind in neoprene, natural rubber or ethylene propylene diene rubber；The polyurea protection layer is mixed by isocyanate component with amide components through HTHP impacting type is sprayed at rubber elastic layer film-forming.The polyurea protection layer that the present invention is used has superpower resistance to ag(e)ing, salt fog resistance, and polyurea protection layer compounded rubber elastic layer plays a good protection to internal rubber elastic layer, be effectively improved the ageing-resistant performance and salt fog resistance of rubber fastening band.
Description
Technical field
The invention belongs to bridge tunnel, technical field of buildings, more particularly to a kind of ageing-resistant rubber waterstop.
Background technology
Waterstop is waterproof, the important component of sealing in bridge, tunnel and architectural engineering, especially in bridge expanssion joint, tunnel
In road seam, play an important role, it is ensured that agent structure is brought into normal play function in use, rubber fastening band is full
Outside the certain physical and mechanical property of foot, should also have good durability.
As existing bridge extension joint is worked 5-7 with rubber fastening band under natural environment, just occur substantial amounts of
The aging phenomena such as cracking, cracking, lose sealing, water-proof function, rainwater is by beam-ends downstream to body junctions such as beam-ends, bridge pads
At structure, very big threat is brought to the bridge structure life-span.Meanwhile, the replacing of bridge extension joint waterstop need temporal limitation or
Traffic, particularly railroad bridge retractor device are terminated, difficulty of construction is big, costly.For some tunnels, architectural engineering, sealing
Band is even more to change, once destruction will be unable to repair.
The content of the invention
It is an object of the invention to provide a kind of ageing-resistant rubber waterstop, for solving rubber fastening band in the prior art
Ageing-resistant difference, the problems such as maintenance cost is high.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of ageing-resistant rubber waterstop, including rubber elastic layer and polyurea protection layer, the polyurea protection layer are compounded in
The rubber elastic layer outer surface.
The rubber elastic layer uses one kind in neoprene, natural rubber or ethylene propylene diene rubber.
The polyurea protection layer mixes spraying with amide components by isocyanate component through HTHP impacting type
In rubber elastic layer film-forming.
In parts by weight, the isocyanate component content is：50-100 parts of isocyanates, oligomer polyol or polynary
0-50 parts of amine, 0-10 parts of solvent or diluent.
In parts by weight, the amide components content is：40-80 parts of amine terminated polyether, 10-50 parts of chain extender,
0-10 parts of auxiliary agent, 0-10 parts of color stuffing.
The isocyanates is '-diphenylmethane diisocyanate, toluene di-isocyanate(TDI), hexamethylene diisocyanate, four
A kind of or mixture in methylresorcinol dimethylene diisocyanate, hexamethylene diisocyanate；The oligomer polyol is polynary
Amine is dihydric alcohol or trihydroxylic alcohol oligomer, Amino End Group oligomer.
The chain extender is diethyl toluene diamine, dimethythiotoluene diamine, 4,4 '-diaminodiphenyl-methane, three
One or more in first monoethanolamine；The auxiliary agent is antioxidant, UV resistant agent or fire retardant；The color stuffing is talcum
Powder, carbon black, silica, mica or calcium carbonate.
The polyurea protection thickness degree is 0.5-5mm.
The rubber fastening band is U, W, PE, E or G type.
The rubber fastening band also includes sheet metal；The sheet metal vulcanizes in rubber elastic layer, and sheet metal is galvanized steel plain sheet
Or stainless steel plate.
Beneficial effects of the present invention：The polyurea protection layer that the present invention is used has superpower resistance to ag(e)ing, salt fog resistance, gathers
Urea overcoat compounded rubber elastic layer, plays a good protection to internal rubber elastic layer, is effectively improved rubber and stops
The ageing-resistant performance and salt fog resistance of water band.
Brief description of the drawings
For the ease of it will be appreciated by those skilled in the art that the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the U-shaped ageing-resistant rubber Water stop structure schematic diagram of one embodiment of the invention；
Fig. 2 is one embodiment of the invention W type ageing-resistant rubber Water stop structure schematic diagrames；
Fig. 3 is one embodiment of the invention PE type ageing-resistant rubber Water stop structure schematic diagrames；
Fig. 4 is one embodiment of the invention E type ageing-resistant rubber Water stop structure schematic diagrames；
Fig. 5 is one embodiment of the invention G type ageing-resistant rubber Water stop structure schematic diagrames；
In figure：1- rubber elastic layers, 2- polyurea protections layer, 3- sheet metals.
Embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is only a part of embodiment of the invention to apply example, rather than whole embodiments.Based on the embodiment in the present invention, this area is general
All other embodiment that logical technical staff is obtained under the premise of creative work is not made, belongs to what the present invention was protected
Scope.
A kind of ageing-resistant rubber waterstop, as shown in Fig. 1~5, including the polyurea protection layer 2 and rubber bullet being combined with each other
Property layer 1；Specifically, rubber elastic layer 1 is using one kind in neoprene, natural rubber or ethylene propylene diene rubber；Polyurea protection
Layer 2 is mixed by isocyanate component with amide components through special equipment HTHP impacting type is sprayed at rubber elastic layer
1 solidification tunic, 65 DEG C~75 DEG C of special equipment design temperature, dynamic pressure 13.8MPa~24.1MPa；Polyurea protection 2 thickness of layer
Generally 0.5-5mm；
Wherein, isocyanate component (abbreviation component A) can be aromatic series or aliphatic, can be Isocyanate prepolymers
Thing or semi-prepolymer；Prepolymer and semi-prepolymer are reacted by Amino End Group or terminal hydroxy group compound with isocyanates to be made；Component A weight
Measuring percentage is：0-50 parts of 50-100 parts of isocyanates, oligomer polyol or polyamine, 0-10 parts of solvent or diluent；
Amide components (abbreviation B component) are made up of amine terminated polyether, chain extender, auxiliary agent and color stuffing；B component weight
Measuring percentage is：40-80 parts of amine terminated polyether, 10-50 parts of chain extender, 0-10 parts of auxiliary agent, 0-10 parts of color stuffing；
Above-mentioned isocyanates can be '-diphenylmethane diisocyanate, toluene di-isocyanate(TDI), the isocyanic acid of hexa-methylene two
A kind of or mixture in ester, tetramethyl m-xylylene diisocyanate, hexamethylene diisocyanate etc.；Oligomer polyol is more
First amine can be dihydric alcohol or trihydroxylic alcohol oligomer, Amino End Group oligomer；Chain extender can be diethyl toluene diamine, dimethyl sulfide
The one or more such as base toluenediamine, 4,4 '-diaminodiphenyl-methane, ternary monoethanolamine；Auxiliary agent can be antioxidant, resist
Ultraviolet agent, fire retardant etc.；The color stuffing can be talcum powder, carbon black, silica, mica, calcium carbonate etc..
Embodiment 1
A kind of U-shaped ageing-resistant rubber waterstop, as shown in figure 1, including the polyurea protection layer 2 and rubber bullet that are combined with each other
Property layer 1；Rubber elastic layer 1 is using one kind in neoprene, natural rubber or ethylene propylene diene rubber；Rubber elastic layer 1 is U
Type；
Polyurea protection layer 2 is by isocyanate component (abbreviation component A) and amide components (abbreviation B component) through high temperature
The mixing of high pressure impingement formula is sprayed at rubber elastic layer solidification tunic, and polyurea protection 2 thickness of layer are generally 2mm；Wherein, A, B component
Material and content are ibid；
Polyurea protection layer 2 of the present invention has superpower resistance to ag(e)ing, salt fog resistance, plays good to internal rubber elastic layer 1
Good protective effect, is effectively improved the ageing-resistant performance and salt fog resistance of rubber fastening band.
Embodiment 2
A kind of W types ageing-resistant rubber waterstop, as shown in Fig. 2 including the polyurea protection layer 2 and rubber bullet that are combined with each other
Property layer 1, rubber elastic layer use neoprene, natural rubber or ethylene propylene diene rubber in one kind；Rubber elastic layer is W types；
Polyurea protection layer is mixed by isocyanate component with amide components through HTHP impacting type is sprayed at rubber
Glue elasticity layer solidification tunic, the polyurea protection thickness degree is generally 1mm；Wherein, A, B component material and content be ibid；
Embodiment 3
A kind of PE types ageing-resistant rubber waterstop, as shown in figure 3, including the polyurea protection layer 2 being combined with each other and rubber
Elastic layer 1；Rubber elastic layer uses neoprene, natural rubber or ethylene propylene diene rubber；Rubber elastic layer is PE types；
Polyurea protection layer is by isocyanate component (abbreviation component A) and amide components (abbreviation B component) through high temperature
The mixing of high pressure impingement formula is sprayed at rubber elastic layer solidification tunic, wherein, A, B component material and content are ibid；Polyurea protection layer
Thickness is generally 1mm；
Embodiment 4
A kind of E types ageing-resistant rubber waterstop, as shown in figure 4, including the polyurea protection layer 2 and rubber bullet that are combined with each other
Property layer 1, rubber elastic layer 1 is using neoprene, natural rubber or ethylene propylene diene rubber；The rubber elastic layer is E types；
Polyurea protection layer 2 is by isocyanate component (abbreviation component A) and amide components (abbreviation B component) through high temperature
The mixing of high pressure impingement formula is sprayed at rubber elastic layer solidification tunic, wherein, A, B component material and content are ibid；Polyurea protection layer
Thickness is generally 3mm；
Embodiment 5
A kind of G section steel edges ageing-resistant rubber waterstop, as shown in figure 5, including be combined with each other polyurea protection layer 2, rubber
Glue elasticity layer 1 and sheet metal 3；Rubber elastic layer uses neoprene, natural rubber or ethylene propylene diene rubber；Rubber elastic layer is
E types；
Polyurea protection layer is by isocyanate component (abbreviation component A) and amide components (abbreviation B component) through high temperature
The mixing of high pressure impingement formula is sprayed at rubber elastic layer solidification tunic, wherein, A, B component material and content are ibid；Polyurea protection layer
Thickness is generally 2mm；
Sheet metal 3 vulcanizes in rubber elastic layer 1, being galvanized steel plain sheet or stainless steel plate.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details of narration, it is only described embodiment that the invention is not limited yet.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (10)
1. a kind of ageing-resistant rubber waterstop, it is characterised in that：Including rubber elastic layer and polyurea protection layer, the polyurea protection
Layer is compounded in the rubber elastic layer outer surface.
2. a kind of ageing-resistant rubber waterstop according to claim 1, it is characterised in that：The rubber elastic layer uses chlorine
One kind in buna, natural rubber or ethylene propylene diene rubber.
3. a kind of ageing-resistant rubber waterstop according to claim 1, it is characterised in that：The polyurea protection layer is by isocyanide
Acid esters component mixes through HTHP impacting type with amide components and is sprayed at rubber elastic layer film-forming.
4. a kind of ageing-resistant rubber waterstop according to claim 3, it is characterised in that：In parts by weight, the isocyanide
Acid esters constituent content is：0-50 parts of 50-100 parts of isocyanates, oligomer polyol or polyamine, 0-10 parts of solvent or diluent.
5. a kind of ageing-resistant rubber waterstop according to claim 3, it is characterised in that：In parts by weight, the amino
Compound component content is：40-80 parts of amine terminated polyether, 10-50 parts of chain extender, 0-10 parts of auxiliary agent, 0-10 parts of color stuffing.
6. a kind of ageing-resistant rubber waterstop according to claim 4, it is characterised in that：The isocyanates is hexichol first
Alkane diisocyanate, toluene di-isocyanate(TDI), hexamethylene diisocyanate, tetramethyl m-xylylene diisocyanate,
A kind of or mixture in hexamethylene diisocyanate；The oligomer polyol or polyamine are dihydric alcohol or trihydroxylic alcohol oligomer, end
Amide oligomers.
7. a kind of ageing-resistant rubber waterstop according to claim 5, it is characterised in that：The chain extender is diethyl first
One or more in phenylenediamine, dimethythiotoluene diamine, 4,4 '-diaminodiphenyl-methane, ternary monoethanolamine；It is described to help
Agent is antioxidant, UV resistant agent or fire retardant；The color stuffing is talcum powder, carbon black, silica, mica or carbonic acid
Calcium.
8. a kind of ageing-resistant rubber waterstop according to claim 1, it is characterised in that：The polyurea protection thickness degree is
0.5-5mm。
9. a kind of ageing-resistant rubber waterstop according to claim 1, it is characterised in that：The rubber fastening band be U, W,
PE, E or G type.
10. a kind of ageing-resistant rubber waterstop according to claim 1, it is characterised in that：The rubber fastening band also includes
Sheet metal；The sheet metal vulcanizes in rubber elastic layer, and sheet metal is galvanized steel plain sheet or stainless steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069131.9A CN107043589B (en) | 2017-02-08 | 2017-02-08 | A kind of ageing-resistant rubber waterstop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069131.9A CN107043589B (en) | 2017-02-08 | 2017-02-08 | A kind of ageing-resistant rubber waterstop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107043589A true CN107043589A (en) | 2017-08-15 |
| CN107043589B CN107043589B (en) | 2018-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710069131.9A Active CN107043589B (en) | 2017-02-08 | 2017-02-08 | A kind of ageing-resistant rubber waterstop |
Country Status (1)
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818019A (en) * | 2009-02-26 | 2010-09-01 | 北京东方雨虹防水技术股份有限公司 | Spray polyurea high-performance waterproof paint and preparation method thereof |
-
2017
- 2017-02-08 CN CN201710069131.9A patent/CN107043589B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818019A (en) * | 2009-02-26 | 2010-09-01 | 北京东方雨虹防水技术股份有限公司 | Spray polyurea high-performance waterproof paint and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 马宇等: "《大型渡槽混凝土结构伸缩缝防渗处理施工技术》", 《中国建筑防水》 * |
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| CN107043589B (en) | 2018-08-07 |
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