CN101565531A - High-strength rigid polyvinyl chloride finned tube - Google Patents
High-strength rigid polyvinyl chloride finned tube Download PDFInfo
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- CN101565531A CN101565531A CNA2008100366366A CN200810036636A CN101565531A CN 101565531 A CN101565531 A CN 101565531A CN A2008100366366 A CNA2008100366366 A CN A2008100366366A CN 200810036636 A CN200810036636 A CN 200810036636A CN 101565531 A CN101565531 A CN 101565531A
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- Prior art keywords
- polyvinyl chloride
- lubricant
- stablizer
- composition
- finned tube
- Prior art date
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Abstract
The invention relates to a high-strength rigid polyvinyl chloride finned tube which comprises the following components by weight part: polyvinyl chloride resin: 100 of major ingredient, polyacrylate copolymer: 4-6 of plasticiser, composite lead heat stabilizer: 4-8 of stabilizer, stearic acid: 0.1-0.6 of lubricant, calcium stearate: 0.1-0.5 of stabilizer and lubricant, filling agent: 25-50 of filling materials, and calcium carbonate: 25-50 of filling materials.
Description
Technical field:
The present invention relates to rigid polyvinyl chloride finned tube, refer to a kind of high-strength rigid polyvinyl chloride finned tube especially.
Background technology:
Polychloroethylene pipes is a kind of kind of tube types that is most widely used in the existing market, and, easy construction simple, with low cost because of its processing obtains very high share of market.
China to last century the nineties begin to introduce advanced foreign technology and produce the bigbore ground draining polyvinyl chloride finned tube that buries, its cost performance with excellence has progressively replaced traditional cement pipe, steel pipes etc. are obtained good effect.
But along with the strictness of construction requirement and the requirement of some large-scale public works promote, original polyvinyl chloride finned tube anti-pressure ability can't satisfy construction requirement gradually.
Summary of the invention:
Technical problem to be solved by this invention just is to overcome deficiency of the prior art, a kind of high-strength polyvinyl chloride riffled tube is provided, the ring stiffness of this product can reach more than ten grades, surpasses eight grades of the highest rigidity of existing market, for the scope of having expanded is used in the extension of this tubing.
The invention provides a kind of high-strength polyvinyl chloride riffled tube, with listed as parts by weight, composition is:
Polyvinyl chloride (PVC) RESINS 100 major ingredients
Acrylate copolymer 4-6 softening agent
Lead salt composite thermal stabilizer 4-8 stablizer
Stearic acid 0.1-0.6 lubricant
Calcium stearate 0.1-0.5 stablizer, lubricant
Weighting agent 25-50 stopping composition
Lime carbonate 25-50 stopping composition.
Production method of the present invention adopts operational path commonly used, with the logical overheated machine of polyvinyl chloride resin and auxiliary agent mediate, cold machine stirs, plastify extrude, moulding, cutting, enlarging get final product.
The invention has the beneficial effects as follows:
By absorption, digestion, constantly test to advanced person's prescription, adjusted the type of functional agent, added novel weighting agent, material stiffness is got a promotion.Mould is transformed, made moulding product have higher compressive property.
Embodiment:
Tubing is pressed the ring stiffness grade separation, sees Table 1:
Table 1 nominal ring stiffness grade (unit: thousand Ns/square metre)
The physical and mechanical property of tubing should meet the regulation of table 2.
Press the regulation of GB/T 9647-2003.Compression speed is determined ring stiffness by the external diameter of tubing.
Table 2 tubing physical and mechanical property index.
The test impact property:
Regulation by GB/T 14152-2001 is tested.The tup radius-of-curvature of dropping hammer is 50.0mm ± 0.5mm, and shock height is 2000mm ± 10mm, and test temperature is (0 ± 1) ℃, and other test parameter sees Table 5.
Table 3 shock resistance test parameter
| Specified size DN/ID | Every sample is answered the setting-out number | The quality of dropping hammer, kg |
| 150 | 8 | 1.0 |
| 225 | 14 | 2.5 |
| 300 | 20 | 3.2 |
| 400 | 20 | 3.2 |
| 500 | 20 | 3.2 |
| 600 | 20 | 3.2 |
| 800 | 20 | 3.2 |
| 1000 | 20 | 3.2 |
Observe the sample after impacting, any position is crack-free all, and the stress whitening that produces because of impacting is arranged.
Claims (4)
1. high-strength polyvinyl chloride riffled tube, with listed as parts by weight, composition is:
Polyvinyl chloride (PVC) RESINS 100 major ingredients,
Acrylate copolymer 4-6 softening agent,
Lead salt composite thermal stabilizer 4-8 stablizer,
Stearic acid 0.1-0.6 lubricant,
Calcium stearate 0.1-0.5 stablizer, lubricant,
Weighting agent 25-50 stopping composition,
Lime carbonate 25-50 stopping composition.
2, high-strength polyvinyl chloride riffled tube according to claim 1 is characterized in that, with listed as parts by weight, composition is:
Lead salt composite thermal stabilizer 4-6 stablizer,
Stearic acid 0.1-0.4 lubricant,
Calcium stearate 0.1-0.4 stablizer, lubricant,
All the other components unchanged.
3, high-strength polyvinyl chloride riffled tube according to claim 1 is characterized in that, with listed as parts by weight, composition is:
Lead salt composite thermal stabilizer 4-6 stablizer,
Stearic acid 0.3-0.4 lubricant,
Calcium stearate 0.2-0.4 stablizer, lubricant,
All the other components unchanged.
4, high-strength polyvinyl chloride riffled tube according to claim 1 is characterized in that, with listed as parts by weight, composition is:
Lead salt composite thermal stabilizer 5-8 stablizer,
Stearic acid 0.3-0.6 lubricant,
Calcium stearate 0.2-0.5 stablizer, lubricant,
Lime carbonate 25 stopping composition,
All the other components unchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100366366A CN101565531A (en) | 2008-04-25 | 2008-04-25 | High-strength rigid polyvinyl chloride finned tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100366366A CN101565531A (en) | 2008-04-25 | 2008-04-25 | High-strength rigid polyvinyl chloride finned tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101565531A true CN101565531A (en) | 2009-10-28 |
Family
ID=41281904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100366366A Pending CN101565531A (en) | 2008-04-25 | 2008-04-25 | High-strength rigid polyvinyl chloride finned tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101565531A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943296A (en) * | 2010-09-06 | 2011-01-12 | 天津军星管业集团有限公司 | Novel plastic ribbed pipe |
| CN102212237A (en) * | 2011-05-06 | 2011-10-12 | 上海远洲管业有限公司 | Preparation method for ultrastrong earthquake resistant polyvinyl chloride pipe material |
| CN102719036A (en) * | 2012-06-15 | 2012-10-10 | 中塑联新材料科技湖北有限公司 | Strength-enhancing mixed calcium carbonate special for polyvinyl chloride floor |
| CN103044799A (en) * | 2011-10-17 | 2013-04-17 | 尹庆恂 | Santalum album for building |
| CN103554773A (en) * | 2013-10-30 | 2014-02-05 | 安徽国通高新管业股份有限公司 | Corrugated pipe containing sillimanite |
-
2008
- 2008-04-25 CN CNA2008100366366A patent/CN101565531A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943296A (en) * | 2010-09-06 | 2011-01-12 | 天津军星管业集团有限公司 | Novel plastic ribbed pipe |
| CN102212237A (en) * | 2011-05-06 | 2011-10-12 | 上海远洲管业有限公司 | Preparation method for ultrastrong earthquake resistant polyvinyl chloride pipe material |
| CN103044799A (en) * | 2011-10-17 | 2013-04-17 | 尹庆恂 | Santalum album for building |
| CN102719036A (en) * | 2012-06-15 | 2012-10-10 | 中塑联新材料科技湖北有限公司 | Strength-enhancing mixed calcium carbonate special for polyvinyl chloride floor |
| CN103554773A (en) * | 2013-10-30 | 2014-02-05 | 安徽国通高新管业股份有限公司 | Corrugated pipe containing sillimanite |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091028 |