CN2602084Y - water expansion sealing strip possessing multiplestep expansion-time control characteristic - Google Patents
water expansion sealing strip possessing multiplestep expansion-time control characteristic Download PDFInfo
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- CN2602084Y CN2602084Y CN 02223131 CN02223131U CN2602084Y CN 2602084 Y CN2602084 Y CN 2602084Y CN 02223131 CN02223131 CN 02223131 CN 02223131 U CN02223131 U CN 02223131U CN 2602084 Y CN2602084 Y CN 2602084Y
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- base material
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- expansion
- time control
- control characteristic
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Abstract
The utility model relates to a water expanding sealing rod with the characteristic of step expanding and time control. The utility model comprises a base material 1 and an outer layer 2. The outer layer 2 wraps the base material 1 completely or covers the surface of the base material 1, the base material 1 and / or the outer layer 2 have or has a netted reinforcement 3, a adhesive bonding method, a laminating method, a co-extrusion method and a injection molding method are used in the combination between the base material 1 and the outer layer 2, the outer layer 2 has one layer or a plurality layers. The base material and the outer layer of the utility model can be composed of water expanding materials with different water absorption expanding characteristics, with step water absorption expanding and time characteristics, a requirement on special water absorption expanding characteristic can be satisfied, the construction is convenient, and good water sealing effect is provided.
Description
The utility model relates to a kind of waterproofing materials, particularly a kind of water expansion sealing rod with substep expansion-time control characteristic.
The water-swellable sealing material is the important materials of a kind of engineering construction and other field hermetic seal, and the imbibition of material is physics or chemical process, and different materials has different suctions and expansion characteristics.The expansion rate of water absorption of water-swellable material and imbibition speed are two important indicators that characterize water-swellable material, also are the key points of this class material successful Application.
Each water-swellable material has its exclusive suction and expansion characteristics, can change the water absorption character of absorbent material by the method for chemical composition of control material, the problem that this method exists is the chemical Composition Control more complicated of often material, and also is difficult to reach purpose accurately.The water expansion sealing rod that existing described water-swellable material is made only has single suction and expansion characteristics, can not satisfy application need in actual applications.
The purpose of this utility model is to provide a kind of water expansion sealing rod with substep expansion-time control characteristic, to satisfy the requirement of special imbibition characteristic.
The purpose of this utility model realizes by following technical proposals:
Water expansion sealing rod with substep expansion-time control characteristic of the present utility model is made of base material (1) and outer (2), and outer (2) coat base material (1) fully or are covered in base material (1) surface.
In the such scheme, base material (1) is or/and outer (2) have netted stiffener (3).
In the such scheme, compound between base material (1) and outer (2) with bonding way, lamination mode, coextrusion mode, injection molding.
In the such scheme, outer (2) are one or more layers.
In the such scheme, base material (1) is the water-swellable material with different imbibition characteristics with outer (2).
In the such scheme, the material of main part that water-swellable material is is imbibition with inorganic or organic absorbent composition adds rubber and other auxiliary agent and is prepared from; Wherein, absorbent composition is a kind of in sodium bentonite, acrylates, polyvinyl alcohol, the suction polyurethane.
Water expansion sealing rod with substep expansion-time control characteristic of the present utility model is on the basis of the water expansion sealing rod that existing described water-swellable material is made, and by the compound sealing material for preparing of physical method, is characterized in:
Base material can be made up of the water-swellable material with different imbibition characteristics with outer, and its different imbibition characteristics are meant to have different water absorbing capacities or different imbibition speed;
By control base material and outer field thickness, can in the constant time, control the time factor of expansion characteristics more exactly, make it have substep expansion-time control characteristic, to satisfy the requirement of special imbibition characteristic;
Special imbibition characteristic is meant that homogenous material is difficult to the property that satisfies or reach, and waits special expansion characteristics soon, first quick and back slow as after slow earlier.
The utlity model has substep imbibition/time response, can satisfy the requirement of special imbibition characteristic, convenient construction has good stagnant water effect.
Be described in further detail the utility model below in conjunction with accompanying drawing, but the utility model is not limited only to the described embodiment of accompanying drawing.
Fig. 1 is the schematic diagram of the utility model embodiment.
Among Fig. 1, constitute water expansion sealing rod by base material 1 and outer 2, outer 2 coat base material 1 fully, and base material 1 has netted stiffener 3, and outer 2 is one deck, compound with bonding way between the base material 1 and outer 2.
In the present embodiment, base material 1 usefulness sodium bentonite/elastomeric material, outer 2 are and the different sodium bentonite/elastomeric material of 1 imbibition multiplying power.
The water expansion sealing rod with substep expansion-time control characteristic of present embodiment has special expansion characteristics first quick and back slow when meeting water.
Claims (6)
1. the water expansion sealing rod with substep expansion-time control characteristic is characterized in that being made of base material (1) and outer (2), and outer (2) coat base material (1) fully or are covered in base material (1) surface.
2. the water expansion sealing rod with substep expansion-time control characteristic according to claim 1 is characterized in that base material (1) or/and outer (2) have netted stiffener (3).
3. the water expansion sealing rod with substep expansions-time control characteristic according to claim 1 and 2 is characterized in that usefulness bonding way, lamination mode between base material (1) and the skin (2), coextrusion mode, injection molding are compound.
4. the water expansion sealing rod with substep expansion-time control characteristic according to claim 1 and 2 is characterized in that skin (2) is one or more layers.
5. the water expansion sealing rod with substep expansion-time control characteristic according to claim 1 and 2 is characterized in that base material (1) and outer (2) are the water-swellable material with different imbibition characteristics.
6. the water expansion sealing rod with substep expansions-time control characteristic according to claim 5 is characterized in that water-swellable material is the material of main part that is imbibition with inorganic or organic absorbent composition, adds rubber and is prepared from other auxiliary agent; Wherein, absorbent composition is a kind of in sodium bentonite, acrylates, polyvinyl alcohol, the suction polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02223131 CN2602084Y (en) | 2002-06-28 | 2002-06-28 | water expansion sealing strip possessing multiplestep expansion-time control characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02223131 CN2602084Y (en) | 2002-06-28 | 2002-06-28 | water expansion sealing strip possessing multiplestep expansion-time control characteristic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2602084Y true CN2602084Y (en) | 2004-02-04 |
Family
ID=34149009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02223131 Expired - Fee Related CN2602084Y (en) | 2002-06-28 | 2002-06-28 | water expansion sealing strip possessing multiplestep expansion-time control characteristic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2602084Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103741646A (en) * | 2014-01-23 | 2014-04-23 | 黑龙江省翔波新材料新技术应用开发有限公司 | YMZS-JT sealing strip and production method for concrete aqueduct expansion joints |
| CN107143046A (en) * | 2017-06-09 | 2017-09-08 | 王军 | A kind of water expandable waterstop, glue combination constructing method thereof |
| CN107641274A (en) * | 2017-09-30 | 2018-01-30 | 咸阳橡胶工业制品研究所有限公司 | Type high-temperature-rusistance water-expansible rubber composite seal and preparation method during one kind control |
| CN110848485A (en) * | 2019-12-16 | 2020-02-28 | 吉林工程技术师范学院 | Waterproof sealing rubber pad with composite structure and preparation method |
-
2002
- 2002-06-28 CN CN 02223131 patent/CN2602084Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103741646A (en) * | 2014-01-23 | 2014-04-23 | 黑龙江省翔波新材料新技术应用开发有限公司 | YMZS-JT sealing strip and production method for concrete aqueduct expansion joints |
| CN107143046A (en) * | 2017-06-09 | 2017-09-08 | 王军 | A kind of water expandable waterstop, glue combination constructing method thereof |
| CN107641274A (en) * | 2017-09-30 | 2018-01-30 | 咸阳橡胶工业制品研究所有限公司 | Type high-temperature-rusistance water-expansible rubber composite seal and preparation method during one kind control |
| CN107641274B (en) * | 2017-09-30 | 2020-06-09 | 咸阳橡胶工业制品研究所有限公司 | Time-controlled high-temperature-resistant water-swelling rubber composite sealing material and preparation method thereof |
| CN110848485A (en) * | 2019-12-16 | 2020-02-28 | 吉林工程技术师范学院 | Waterproof sealing rubber pad with composite structure and preparation method |
| CN110848485B (en) * | 2019-12-16 | 2024-04-19 | 吉林工程技术师范学院 | Waterproof sealing rubber pad with composite structure and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |