CN103073765A - Highly cold-resistant rubber dam - Google Patents
Highly cold-resistant rubber dam Download PDFInfo
- Publication number
- CN103073765A CN103073765A CN2013100097604A CN201310009760A CN103073765A CN 103073765 A CN103073765 A CN 103073765A CN 2013100097604 A CN2013100097604 A CN 2013100097604A CN 201310009760 A CN201310009760 A CN 201310009760A CN 103073765 A CN103073765 A CN 103073765A
- Authority
- CN
- China
- Prior art keywords
- rubber
- parts
- dam
- chloroprene
- agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a highly cold-resistant rubber dam which is composed of materials as follows: raw rubber, a plasticizer, carbon black, an active agent and a vulcanizing agent; the weight ratio of the raw rubber to the plasticizer is 100/10-100/15; the raw rubber is composed of chloroprene rubber and natural rubber, and the weight ratio of the chloroprene rubber to the natural rubber is 90/10-80/20; and the plasticizer is butyl oleate, dibutyl sebacate, or a mixture of butyl oleate and dibutyl sebacate. Through tests, the brittleness temperature of the high cold-resistant rubber dam can achieve subzero 50 DEG C, the cold resistance is good, physical and mechanical properties of the tensile strength, the elongation at break and the like can also meet industrial standards, and requirements for the water conservancy industry on low temperature resistance and physical and mechanical properties of rubber dams in high cold temperature environments can be met.
Description
Technical field
The present invention relates to a kind of rubber dam, particularly a kind of high arctic rubber dam.
Background technology
Rubber dam claims again the rubber sluice, is to do stress frame with the high strength synthetic fibre fabric; inside and outside coating rubber is made protective layer; be processed into adhesive plaster, again it be anchored in the dam bag that becomes closed on the base plate, the pocket type checkdam that its inflation is formed by filling row pipeline water (gas).Dam crest can overflow, and can regulate as required height of dam, and the control upper pond level is with benefits such as performance irrigation, generating, shipping, flood control, gear tides.Yet existing rubber dam winter hardiness is relatively poor, can not satisfy under the psychro-environment water conservancy industry to the requirement of rubber dam resistance to low temperature.
Summary of the invention
Based on above-mentioned technical problem, the invention provides a kind of high arctic rubber dam.
Its technical solution is:
A kind of high arctic rubber dam, it is comprised of following material: rubber, softening agent, carbon black, promoting agent and vulcanizing agent; The weight part proportioning of rubber and softening agent is 100/10～100/15; Described rubber is comprised of chloroprene rubber and natural rubber, and the weight part proportioning of chloroprene rubber and natural rubber is 90/10～80/20; Described softening agent is the mixture of butyl oleate or Uniflex DBS or butyl oleate and Uniflex DBS composition.
Preferably, described high arctic rubber dam is comprised of the material of following weight part: 6 parts of 100 parts of rubbers, 15 parts in softening agent, 60 parts of carbon blacks, promoting agent and 5 parts of vulcanizing agents.
Be more preferably, described high arctic rubber dam is comprised of the material of following weight part: 6 parts of 85 parts of chloroprene rubbers, 15 parts of natural rubbers, 10 parts of butyl oleates, 5 parts of Uniflex DBSs, 60 parts of carbon blacks, promoting agent and 5 parts of vulcanizing agents.
Preferably, described chloroprene rubber is DCR-114 type chloroprene rubber.
Useful technique effect of the present invention is:
After testing, its temperature limit of brittleness of the high arctic rubber of the present invention dam can reach-50 ℃, winter hardiness is better, and the physical and mechanical propertiess such as its tensile strength and tensile yield also all meet industry standard, can satisfy under psychro-environment water conservancy industry to the requirement of rubber dam resistance to low temperature and physical and mechanical properties.
Embodiment
Generally speaking, we select the rubber clone that second-order transition temperature is low and the crystallinity tendency is little, such as natural rubber, cis-1,4-polybutadiene rubber etc.; Or inlay other unit molecules of introducing by grafting on rubber macromolecule and destroy its arrangement regularity.In the present invention, the applicant selects especially DCR-114 type chloroprene rubber of chloroprene rubber, because it introduces 2,3 unit chlorine atoms at chloroprene, has destroyed the regularity of sovprene molecular chain, reduce its crystallization tendency, therefore demonstrate good anti-crystallization energy; And this product weathering resistance, ageing resistance are good, are the elite clones on the high arctic rubber of preparation dam.Be winter hardiness and the physical and mechanical properties that considers rubber dam, the applicant also with chloroprene rubber and natural rubber according to a certain ratio and usefulness, and the purpose of usefulness, the one, the regularity of destruction system reduces the crystallization tendency; The 2nd, in the situation that the good temperature limit of brittleness that reduces of consistency, also can improve in addition the physical and mechanical properties of rubber dam.
By test the rubber proportioning is selected:
1.1 main raw material(s)
DCR-114 type chloroprene rubber; Natural rubber; Softening agent (butyl oleate, Uniflex DBS); Other Synergist S-421 95 (carbon black, promoting agent, vulcanizing agent); More than be commercially available starting material.
1.2 testing installation
Banbury mixer; Vulcanizing press; Tension testing machine; The temperature limit of brittleness determinator; Climatic chamber.
1.3 performance test
Properties is all carried out according to existing national rubber industry testing standard.
Rubber proportioning selection result sees the following form 1.
Table 1
Data analysis discovery in the his-and-hers watches 1, different its temperature limit of brittleness of rubber proportioning differ larger, the applicant selects preferably rubber paralled system of winter hardiness, especially take chloroprene rubber/natural rubber as the 85/15(weight part) as preferred.
The chemical structure of cold-resistant plasticizer has conclusive effect for the cold tolerance that improves rubber dam, must consider that the consistency of softening agent is good, volatilizees less, has good low-temperature pliability, be difficult for by these four conditions of extracting.Softening agent commonly used can be divided into two kinds of solvent-borne type and non-solvents, in general, adopts esters solvent type softening agent to increase its consistency for chloroprene rubber, natural rubber more, and then improves its winter hardiness.In the raw material of preparation winter hardiness rubber dam, applicant's preferred oil acid butyl ester (BO), Uniflex DBS (DBS) are as the softening agent of chloroprene rubber, and the two has preferably plasticity to chloroprene rubber.
Test by following weight part proportioning: 100 parts of rubbers (DCR-114 type chloroprene rubber/natural rubber is 85/15), 15 parts in softening agent, 60 parts of carbon blacks, 6 parts of promoting agents, 5 parts of vulcanizing agents; Promoting agent and vulcanizing agent can carry out routine according to those skilled in the art's experience and select; Softening agent is preferably butyl oleate and/or Uniflex DBS, changes the weight part proportioning between the two, test-results such as following table 2.
Table 2
Data analysis in the his-and-hers watches 2 can find out, its temperature limit of brittleness of rubber dam that makes by above prescription all is lower than-30 ℃, and winter hardiness is better, and the physical and mechanical propertiess such as tensile strength and tensile yield also all meet industry standard.The applicant considers winter hardiness and the physical and mechanical properties of rubber dam, and preferred Uniflex DBS/butyl oleate is the 5/10(weight part) paralled system.
Claims (4)
1. a high arctic rubber dam it is characterized in that being comprised of following material: rubber, softening agent, carbon black, promoting agent and vulcanizing agent; The weight part proportioning of rubber and softening agent is 100/10～100/15; Described rubber is comprised of chloroprene rubber and natural rubber, and the weight part proportioning of chloroprene rubber and natural rubber is 90/10～80/20; Described softening agent is the mixture of butyl oleate or Uniflex DBS or butyl oleate and Uniflex DBS composition.
2. a kind of high arctic rubber according to claim 1 dam it is characterized in that being comprised of the material of following weight part: 6 parts of 100 parts of rubbers, 15 parts in softening agent, 60 parts of carbon blacks, promoting agent and 5 parts of vulcanizing agents.
3. a kind of high arctic rubber according to claim 2 dam it is characterized in that being comprised of the material of following weight part: 6 parts of 85 parts of chloroprene rubbers, 15 parts of natural rubbers, 10 parts of butyl oleates, 5 parts of Uniflex DBSs, 60 parts of carbon blacks, promoting agent and 5 parts of vulcanizing agents.
4. according to claim 1,2 or 3 described a kind of high arctic rubber dams, it is characterized in that: described chloroprene rubber is DCR-114 type chloroprene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009760.4A CN103073765B (en) | 2013-01-11 | 2013-01-11 | Highly cold-resistant rubber dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009760.4A CN103073765B (en) | 2013-01-11 | 2013-01-11 | Highly cold-resistant rubber dam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103073765A true CN103073765A (en) | 2013-05-01 |
| CN103073765B CN103073765B (en) | 2015-03-11 |
Family
ID=48150477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310009760.4A Active CN103073765B (en) | 2013-01-11 | 2013-01-11 | Highly cold-resistant rubber dam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103073765B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103242568A (en) * | 2013-05-21 | 2013-08-14 | 王磊 | Rubber dam bag surface protective layer material |
| CN105377975A (en) * | 2013-06-03 | 2016-03-02 | 电气化学工业株式会社 | Rubber composition and vulcanized molded body of same |
| CN106883467A (en) * | 2017-04-25 | 2017-06-23 | 福建省日胜皇科技有限公司 | A kind of arctic rubber composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4299514A (en) * | 1978-12-06 | 1981-11-10 | Bridgestone Tire Co., Ltd. | Collapsible rubber dam |
| CN102086637A (en) * | 2010-12-16 | 2011-06-08 | 铁岭尔凡橡塑研发有限公司 | Large high-pressure seamless rubber airbag and production process thereof |
| CN102747710A (en) * | 2012-07-26 | 2012-10-24 | 沈阳第四橡胶(厂)有限公司 | Production process for manufacturing rubber dam bags by using polyester fabric as framework material |
-
2013
- 2013-01-11 CN CN201310009760.4A patent/CN103073765B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4299514A (en) * | 1978-12-06 | 1981-11-10 | Bridgestone Tire Co., Ltd. | Collapsible rubber dam |
| CN102086637A (en) * | 2010-12-16 | 2011-06-08 | 铁岭尔凡橡塑研发有限公司 | Large high-pressure seamless rubber airbag and production process thereof |
| CN102747710A (en) * | 2012-07-26 | 2012-10-24 | 沈阳第四橡胶(厂)有限公司 | Production process for manufacturing rubber dam bags by using polyester fabric as framework material |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103242568A (en) * | 2013-05-21 | 2013-08-14 | 王磊 | Rubber dam bag surface protective layer material |
| CN103242568B (en) * | 2013-05-21 | 2014-10-08 | 浙江省第一水电建设集团股份有限公司 | Rubber dam bag surface protective layer material |
| CN105377975A (en) * | 2013-06-03 | 2016-03-02 | 电气化学工业株式会社 | Rubber composition and vulcanized molded body of same |
| JPWO2014196544A1 (en) * | 2013-06-03 | 2017-02-23 | デンカ株式会社 | Rubber composition and vulcanized molded body thereof |
| CN105377975B (en) * | 2013-06-03 | 2017-10-13 | 电化株式会社 | Rubber composition and its sulfidization molding body |
| CN106883467A (en) * | 2017-04-25 | 2017-06-23 | 福建省日胜皇科技有限公司 | A kind of arctic rubber composition |
| CN106883467B (en) * | 2017-04-25 | 2018-05-18 | 福建省日胜皇科技有限公司 | A kind of arctic rubber composition |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103073765B (en) | 2015-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103059554A (en) | Preparation method of thermoplastic polyurethane elastomer | |
| CN107141610B (en) | A kind of modified talc powder and preparation method thereof and a kind of PP composite material and preparation method thereof | |
| CN103073765B (en) | Highly cold-resistant rubber dam | |
| CN102702642B (en) | EVA (Ethylene-Vinyl Acetate Copolymer) foaming and damping material and preparation method thereof | |
| CN104231598A (en) | TPU (thermoplastic polyurethane) film with high hydrolytic stability and preparation method of TPU film | |
| CN102372864B (en) | Signal flexible cable sheath material for underwater dredging bucket of dredger and production method thereof | |
| US10494514B2 (en) | Method of preparing bio-based elastomer composition comprising silica and polydibutyl itaconate-ter-isoprene-ter-glycidyl methacrylate | |
| CN102863667B (en) | Preparation method for water swelling nitrile butadiene rubber | |
| CN108192162B (en) | A kind of Sports shoe sole abrasive rubber and preparation method thereof | |
| CN102604306A (en) | Preparation method of ethylene-vinyl acetate copolymer combined thermoplastic polyurethane composite foam materials | |
| CN111057208A (en) | Polyolefin polyol modified thermoplastic polyurethane elastomer and preparation method thereof | |
| CN103030905A (en) | High-strength and high-stability modified PVC and preparation method thereof | |
| WO2012121585A3 (en) | Epoxidised natural rubber based blend for antistatic footwear application | |
| CN114456447B (en) | Preparation method and application of never-drying children color mud | |
| Lei et al. | Synthesis and evaluation of bio-based elastomer based on diethyl itaconate for oil-resistance applications | |
| CN111187516A (en) | Polyvinyl alcohol modified polyborosiloxane composite material and preparation method thereof | |
| MX2016005267A (en) | Primerless paint composition, methods of manufacture thereof and articles comprising the same. | |
| CN101955601B (en) | Chloroprene rubber improved by employing ionomer | |
| CN103965405A (en) | Method for mixing and synthesizing modified gutta percha at room temperature | |
| CN105860368B (en) | A kind of PVC material and its preparation method and application | |
| CN109749316A (en) | A kind of the tetrapropanate fluorine rubber composition and preparation method of high-temperature resistant water environment | |
| CN105111403B (en) | It is a kind of can microbial degradation thermoplastic polyurethane elastomer and preparation method thereof | |
| CN109265878A (en) | A kind of excellent warping strength fatigability fluorubber and preparation method thereof of high maximum elongation | |
| Guo et al. | Ageing behaviour and molecular/network structure evolution of EPDM/carbon black composites under compression and in thermal-oxidative environments | |
| CN106519498A (en) | Blended toughened PVC (polyvinyl chloride) elastomer and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |