CN103289223B - Novel heat, wear and low temperature resistant PVC pipe - Google Patents
Novel heat, wear and low temperature resistant PVC pipe Download PDFInfo
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- CN103289223B CN103289223B CN201310064985.XA CN201310064985A CN103289223B CN 103289223 B CN103289223 B CN 103289223B CN 201310064985 A CN201310064985 A CN 201310064985A CN 103289223 B CN103289223 B CN 103289223B
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- low temperature
- pvc pipe
- wear
- temperature resistant
- resistant pvc
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Abstract
The invention provides a novel heat, wear and low temperature resistant PVC pipe. By adding thiobisphenol, phosphite ester, a phenolic resin cross-linking agent, polylol and carbon fiber, and defining the content of each component, the added elements can reach a very good synergistic effect. On the basis of keeping the original heat resistance and wear resistance, the low temperature resistance and service life of the PVC pipe are significantly enhanced, and the mechanical properties are also strengthened to certain extent.
Description
Technical field
The present invention relates to a kind of PVC, the low temperature resistant aging-resistant PVC of especially a kind of Novel heat, wear.
Background technology
For solving the problem that PVC thermotolerance wears no resistance in prior art, employing CPVC resin joins the mode in polyvinyl chloride resin, increases its thermotolerance and wear resistance.But the PVC of new synthesis is easily hardening under cryogenic to become fragile, use easily aging in physical environment, work-ing life is shorter.Have a strong impact on the application under low temperature environment and outdoor conditions.
Summary of the invention
The invention provides a kind of Novel heat, wear low temperature resistant PVC pipe, by increasing thiobisphenol, phosphorous acid ester, phenolic resin crosslinking agent, polyvalent alcohol and carbon fiber, and limit the content of each composition, make to play good synergy between the element of interpolation, maintaining on original heat-resisting, wear-resisting basis, low temperature resistant and work-ing life is obtained for remarkable enhancing, and mechanical property have also been obtained certain reinforcement.
The invention provides a kind of Novel heat, wear low temperature resistant PVC pipe, its component and weight percent are:
Surplus is CPVC resin.
Preferred scheme is for also to comprise Nano-meter SiO_2
2, weight percent is 0.4-1.0, and size of particles is between 30-50nm.
Preferred scheme is for also to comprise maleic anhydride, and weight percent is 0.3-0.5.
Preferred scheme is also comprising toner, and tinting material is carbon black or barium sulfate.
Compared with prior art of the present invention, low temperature resistant obvious reinforcement, can use under severe cold condition, work-ing life significantly strengthens, and mechanical property have also been obtained certain reinforcement.
Embodiment
The present invention is further detailed explanation below.
Embodiment 1
A kind of Novel heat, wear low temperature resistant PVC pipe, its component and weight percent are:
Above-mentioned batching is carried out heat mixed, cold mixed after make tubing by extrusion moulding again.
Embodiment 2
Thermotolerance contrast is carried out to the Novel heat, wear low temperature resistant PVC pipe (being designated as sample 1) in embodiment 1 and existing heat-resistant antifriction PVC (being designated as sample 2).
Existing heat-resistant antifriction PVC according to following weight proportioning prepare raw material:
Polyvinyl chloride resin 50 parts, CPVC resin 50 parts, compound lead stabilizer 3 parts, 0.6 part, paraffin, polyethylene wax 0.4 part, ACR processing aid 2 parts, MBS5 part, nano-calcium carbonate 3 parts, tinting material carbon black 0.03 part.
Find after testing, the vicat softening temperature of sample 1 is 112 degree, and the vicat softening temperature of sample 2 is 108 degree.
It can thus be appreciated that both are more or less the same in thermotolerance, found through experiments, both are also substantially identical in wear resistance.
Embodiment 3
To sample 1 and sample 2 lower temperature resistance and carry out work-ing life experiment detect:
Sample 1 not hardeningly yet to become fragile for 2 days under subzero 60 degree, and sample 2 hardeningly to become fragile for 2 days under 40 degrees below zero.Add size of particles at 30-50nm Nano-meter SiO_2
2, sample 1 not hardeningly yet to become fragile for 2 days under subzero 65 degree.
Sample 1 is place in the outdoor environment of 20 degree in medial temperature, finds to start to become yellow after 250 days; Namely sample 2 started to become yellow after 130 days.Add maleic anhydride, sample 1 starts to become yellow after 290 days in same environment.
Embodiment 4
Mechanical property detection is carried out to sample 1 and sample 2:
The flexural strength of discovery sample 1 is 130MPa, and compressive strength is 88MPa, and cantilever beam impact strength is 102.3J/m; The flexural strength of sample 2 is 100MPa, and compressive strength is 69MPa, and cantilever beam impact strength is 96.3J/m.
Above content is the further description done it in conjunction with structure of the present invention and working process, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (3)
1. a heat-resistant antifriction low temperature resistant PVC pipe, its component and weight percent are:
2. heat-resistant antifriction low temperature resistant PVC pipe according to claim 1, is characterized in that: also comprise Nano-meter SiO_2
2, weight percent is 0.4-1.0, and size of particles is between 30-50nm.
3. heat-resistant antifriction low temperature resistant PVC pipe according to claim 2, is characterized in that: also comprising toner, and tinting material is carbon black or barium sulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310064985.XA CN103289223B (en) | 2013-02-28 | 2013-02-28 | Novel heat, wear and low temperature resistant PVC pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310064985.XA CN103289223B (en) | 2013-02-28 | 2013-02-28 | Novel heat, wear and low temperature resistant PVC pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103289223A CN103289223A (en) | 2013-09-11 |
| CN103289223B true CN103289223B (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310064985.XA Expired - Fee Related CN103289223B (en) | 2013-02-28 | 2013-02-28 | Novel heat, wear and low temperature resistant PVC pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103289223B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106751154A (en) * | 2016-11-30 | 2017-05-31 | 安庆市月岭塑业有限公司 | A kind of freeze proof PVC material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2659708A (en) * | 1951-01-10 | 1953-11-17 | Us Rubber Co | Mixtures of plasticized vinyl resin and thermoset phenol-aldehyde resin and method of making the same |
| CN101696306A (en) * | 2009-10-26 | 2010-04-21 | 宁夏青龙塑料管材有限公司 | Heat-resistant wear-resistant PVC pipe |
| CN101768325A (en) * | 2010-01-22 | 2010-07-07 | 广州市波斯塑胶颜料有限公司 | Application of linear phenolic resin in serving as stable modifying agent |
| CN102382394A (en) * | 2011-09-29 | 2012-03-21 | 芜湖海杉型材有限公司 | Plastic pipe and its preparation method |
-
2013
- 2013-02-28 CN CN201310064985.XA patent/CN103289223B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2659708A (en) * | 1951-01-10 | 1953-11-17 | Us Rubber Co | Mixtures of plasticized vinyl resin and thermoset phenol-aldehyde resin and method of making the same |
| CN101696306A (en) * | 2009-10-26 | 2010-04-21 | 宁夏青龙塑料管材有限公司 | Heat-resistant wear-resistant PVC pipe |
| CN101768325A (en) * | 2010-01-22 | 2010-07-07 | 广州市波斯塑胶颜料有限公司 | Application of linear phenolic resin in serving as stable modifying agent |
| CN102382394A (en) * | 2011-09-29 | 2012-03-21 | 芜湖海杉型材有限公司 | Plastic pipe and its preparation method |
Non-Patent Citations (3)
| Title |
|---|
| 司进龙.Ca/Zn热稳定剂及多元醇辅助稳定剂研究.《中国优秀硕士学位论文全文数据库工程科技I辑》.2009,(第4期),B016-179. * |
| 吕世光.抗氧剂.《塑料橡胶助剂手册》.中国轻工业出版社,1995,(第1版),第331-333页,第645页. * |
| 高俊刚,杨丽庭,李燕芳.纳米粒子改性PVC树脂.《改性聚氯乙烯新材料》.化学工业出版社,2002,(第1版),第182-185页. * |
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| CN103289223A (en) | 2013-09-11 |
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Granted publication date: 20150708 Termination date: 20180228 |