CN102964714B - Scraping and wear-resistant impact-resistant polyvinyl chloride tube material and preparation method - Google Patents
Scraping and wear-resistant impact-resistant polyvinyl chloride tube material and preparation method Download PDFInfo
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Abstract
A scraping and wear-resistant impact-resistant polyvinyl chloride tube material belongs to the field of polymer materials. The tube material is prepared by the following components by weight: 100 parts of PVC resin, 0.8-3 parts of a stabilizing agent, 1-4 parts of a processing additive, 10-15 parts of a impact-resistant modifier, 1.2-2.5 parts of a lubricant, 0-10 parts of a filler, and 5-10 parts of a wear-resistant modifier. The wear-resistant modifier is a sheet-structure silicate mineral substance with a jade structure and treated by a coupling agent. The sheet-structure silicate mineral substance is from debris of jade processing, is grinded and screened, and is treated by the coupling agent, which enhances the connection strength and interface compatibility between the silicate mineral substance and polyvinyl chloride molecules. The appropriate adding amount of the wear-resistant modifier improves the scraping and wear resistance of the material of the invention, and also reduces the influence on other performance of the polyvinyl chloride tube material as much as possible. The polyvinyl chloride tube material of the invention is prepared by general processing technology, and has excellent scraping and wear resistance, good impact resistance and processing performance.
Description
Technical field
The invention belongs to polymeric material field, be specifically related to a kind of type of resistance to scraped finish impact-resistant polyvinyl chloride tube and preparation method thereof.
Background technology
Find after deliberation, through material modification on PVC fills a prescription basis, and combine advanced complete processing, this impact-resistant modified polyvinyl chloride tube material having intensity and toughness concurrently can be produced.Impact-resistant modified polyvinyl chloride tube material has lightweight, that friction resistance is little, ring stiffness is high, good erosion resistance, weather resistance, higher cost performance, and the feature not needing often replacing and safeguard, be widely used in construction drainage, blowdown, and the field such as chemical engineering.This kind of tubing is main mainly with its shock resistance of raising, when carrying the blowdown liquid containing the factory of waste residue, mine, can contact with polychloroethylene pipes long-time because of the waste residue in liquid and friction, and make polychloroethylene pipes thinning until wear and tear.
The research of the domestic scrape abrasion resistance polychloroethylene pipes that had fractional unit to set foot at present, the scrape abrasion resistance improving polyvinyl chloride tube material is generally select quality harder, structure should not be destroyed, and join in polyvinyl chloride through the mineral filler of coupling processing, as having the calcium carbonate of whisker structure, although barium sulfate etc. can improve the scrape abrasion resistance energy of pvc material, but crystal whisker materials is more crisp, the effect that work in-process such as to be sheared at the mechanical force is easily fractureed, cause the scrape abrasion resistance of polyvinyl chloride tube material can be still not high, the demand in high-impact high abrasion tubing market can not be met.
Chinese patent CN102020782A is the patent that China Petrochemical Corp. has applied for.This patent relates to and a kind ofly has the functional filler improving plastics, rubber wear-resisting performance.Contriver finds the abrasion resistance modifier obtained according to Chinese patent CN102020782A to add in polyvinyl chloride tube material, effectively can improve the wear resisting property of polychloroethylene pipes, reduce again the impact on other performance of polyvinyl chloride tube material as few as possible.
Summary of the invention
The technical problem to be solved in the present invention is: the deficiency existed for above-mentioned prior art, and provide a kind of type of resistance to scraped finish impact-resistant polyvinyl chloride tube material and preparation method, it has good wear resistance and impact resistance.
The present invention is achieved by the following technical solutions:
This type of resistance to scraped finish impact-resistant polyvinyl chloride tube material, it is characterized in that: be made up of the component of following weight part: polyvinyl chloride resin 100 parts, stablizer 0.8 ~ 3 part, processing aid 1 ~ 4 part, impact modifier 10 ~ 15 parts, lubricant 1.2 ~ 2.5 parts, weighting agent 0 ~ 10 part, abrasion resistance modifier 5 ~ 10 parts.
Described stablizer is organic tin stablizer.
In the described type of resistance to scraped finish impact-resistant polyvinyl chloride tube, impact modifier is that chlorinatedpolyethylene (CPE) is or/and MBS (MBS).When adopting a kind of impact modifier modification in CPE or MBS, in polyvinyl chloride pipe composition, defining stable toughened system, when adopting CPE and MBS compound use, between two kinds of impact modifiers, obvious coordination plasticizing effect can be produced.The present invention adopts CPE or/and MBS is as impact modifier, improves the mechanical property of polychloroethylene pipes, reduces the detrimentally affect added polychloroethylene pipes mechanical properties of tubular goods because of mineral fillers such as activated Calcium carbonate, sheet structure silicate minerals.
Described lubricant is two or more the mixture in stearic acid, calcium stearate, polyethylene wax.
In the described type of resistance to scraped finish impact-resistant polyvinyl chloride tube, abrasion resistance modifier is the sheet structure silicate mineral with jade structure through coupling agent treatment.This sheet structure silicate mineral is the patented product of China Petrochemical Corp., patent No. CN102020782A.This sheet structure silicate mineral comes from the chip of jade processing, by grinding, screening, adopts coupling agent treatment, enhances the strength of joint between it and polyvinyl chloride molecule and interface compatibility.Its suitable addition had both improve the scrape abrasion resistance of material of the present invention, reduced again the impact on other performance of polyvinyl chloride tube material as few as possible.
Described polyvinyl chloride resin is PVC SG-5.
Described weighting agent is the activated Calcium carbonate of more than 1500 orders.
In the described type of resistance to scraped finish impact-resistant polyvinyl chloride tube, processing aid is acrylic acid esters co-polymer (ACR), preferred ACR401.
Preparation technology of the present invention, is undertaken by following operation:
A) chip will produced from the jadeware course of processing, through grinding refinement, after screening, classification, drying treatment, obtain the sheet silicate mineral substance of particle size range 0.5 ~ 20 μm, the sheet structure silicate mineral of above-mentioned feature is added titanate coupling agent and stearic acid carries out stir process, mixing speed 1000 ~ 2000 revs/min, churning time 5 ~ 20 minutes, whipping temp 60 ~ 110 DEG C, has stirred blowing and has namely obtained abrasion resistance modifier.Wherein the consumption of stearic acid and titanate coupling agent is 0.5% ~ 2.0% of abrasion resistance modifier total amount, and stearic acid and titanate coupling agent consumption use by weight 1: 1.
B) polyvinyl chloride resin, stablizer, processing aid, impact modifier, lubricant, weighting agent are put into after high-speed stirring mixer carries out stirring at low speed and carried out high-speed stirring, mixing speed 1000 ~ 2000 revs/min.
C), during mixing temperature to 90 DEG C, in high-speed stirring mixer, add step a) described abrasion resistance modifier, be stirred to mixing temperature reach 110 DEG C after remix 1 minute, cool in discharging to low-speed mixer.Discharging when being cooled to 40 DEG C, have scrape abrasion resistance can polyvinyl chloride tube material.
Compared with prior art, the beneficial effect that the present invention's type of resistance to scraped finish impact-resistant polyvinyl chloride tube material has is: the type of resistance to scraped finish impact-resistant polyvinyl chloride tube of the present invention, there is good shock resistance and elongation at break, also there is good scrape abrasion resistance energy simultaneously.The type of the resistance to scraped finish impact-resistant polyvinyl chloride tube that the present invention produces, its shock strength scope is 65 ~ 105kJ/m
2, elongation at break ranges is 110 ~ 180%.Through the test of reciprocating friction trier, use white carbon black, barium sulfate crystal whisker to be 72 ~ 120mg as the wearing and tearing mass range of abrasion resistance modifier, the present invention's quality of wearing and tearing is 33.9 ~ 37.1mg.Outstanding feature of the present invention is that the sheet structure silicate mineral with jade structure of use through coupling agent treatment is as abrasion resistance modifier.This sheet structure silicate mineral comes from the chip of jade processing, by grinding, screening, adopt coupling agent treatment, enhance the strength of joint between it and polyvinyl chloride molecule and interface compatibility, suitable addition had both improve the scrape abrasion resistance of material of the present invention, reduced again the impact on other performance of polyvinyl chloride tube material as few as possible.Be mainly used in and scrape abrasion resistance is had certain requirements tubing, thus reduce tubing and construct in poor environment and carry the loss containing causing during waste residue liquid.Production technique of the present invention is simple, can continuous and stable production.The filler of resistance to scraped finish used belongs to utilization of waste material, cheap, can greatly reduce material cost production cost lower, wide market.
Embodiment
Embodiment 1 ~ 7
The proportioning component of this type of resistance to scraped finish impact-resistant polyvinyl chloride tube PP Pipe Compound composition is as shown in table 1, and wherein embodiment 3 is preferred forms.
Table 1 embodiment 1 ~ 7 high-elongation PVC-M special material for tube composition (with parts by weight)
Comparative example 1 ~ 6
Comparative example 1 ~ 6 is for comparing the contrast pipe composition of the properties design of the present composition.Composition component proportioning is as shown in table 2:
The component (with parts by weight) of table 2 comparative example 1 ~ 6 pipe composition
Performance test is tested
First PVC and other raw materials such as lubricant, thermo-stabilizer are put into after height stirring mixer carries out stirring at low speed by proportioning raw materials and carry out height and stir, the high rigidity filler of resistance to scraped finish or white carbon black or barium sulfate crystal whisker is added during mixing temperature to 90 DEG C, be stirred to mixing temperature reach 110 DEG C after remix 1 minute, cool in discharging to low-speed mixer, discharging when being cooled to 40 DEG C.
The compound of the various embodiments described above and each comparative example is plasticated through two roller, makes standard batten after the operation such as mold pressing, carry out performance test.The test of scrape abrasion resistance energy is the MZ-4062 type reciprocating friction trier produced with Jiangsu jewel laboratory apparatus factory, and adopt the method that oneself is set up, fixed friction number of times is 2400 times, weighs the weight of the sample rubbed off, represents with mg.The larger scrape abrasion resistance of numerical value is poorer.The performance test results is in table 3 and table 4.
Table 3 embodiment the performance test results
| Performance | Unit | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Embodiment 7 |
| Scrape abrasion resistance energy | mg | 36.9 | 36.8 | 35.2 | 37.1 | 36.3 | 33.9 | 34.3 |
| Shock strength | kJ/m 2 | 65 | 102.1 | 105.7 | 101.3 | 89 | 98 | 90 |
| Tensile strength | M Pa | 44.1 | 43.2 | 41.7 | 43.9 | 46.5 | 44.5 | 45.5 |
| Elongation at break | ％ | 110.3 | 136.6 | 180.3 | 127.2 | 136.8 | 160.9 | 144.2 |
The performance test results of table 4 comparative example
| Performance | Unit | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | Comparative example 6 |
| Scrape abrasion resistance energy | mg | 237.6 | 72.5 | 119.5 | 116.9 | 35.8 | 98.7 |
| Shock strength | kJ/m 2 | 53 | 105 | 103 | 55 | 45.5 | 62 |
| Tensile strength | M Pa | 45.8 | 43.2 | 40.7 | 45.3 | 45.0 | 41.2 |
| Elongation at break | ％ | 102 | 179 | 145.8 | 118.3 | 139.5 | 105.7 |
Compared with corresponding embodiment, comparative example 1 does not add any filler of resistance to scraped finish, and comparative example 2 is with white carbon black as the filler of resistance to scraped finish, and comparative example 3 uses barium sulfate crystal whisker as the filler of resistance to scraped finish.Contrast as can be seen from the test result of table 3 and 4, compared with not adding the system of any properties-correcting agent of resistance to scraped finish, add the system of the properties-correcting agent of resistance to scraped finish, its material scrape abrasion resistance can be improved significantly.In embodiment 1 ~ 7, the wearing and tearing quality of material is less, illustrates that the scrape abrasion resistance of material after adding the properties-correcting agent of resistance to scraped finish can be obtained for corresponding raising.The wear resisting property of comparative example 5 is best, but compared with embodiment 1 ~ 7, erosion-resisting characteristics declines comparatively large, and when abrasion resistance modifier consumption is less, wear-resisting modified effect is undesirable, and when abrasion resistance modifier consumption is more than 10 parts, the impact property of material declines obviously.Found by the contrast of each embodiment and each comparative example: this composition of invention is in the anti-resistance to scraped finish ability ensureing effectively to improve under material has good rigidity-toughness balanced condition material.
The above is only preferred embodiment of the present invention, and be not restriction invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (1)
1. the preparation method of the type of a resistance to scraped finish impact-resistant polyvinyl chloride tube material, it is characterized in that: polyvinyl chloride tube material is made up of the component of following weight part: polyvinyl chloride resin 100 parts, stablizer 0.8 part, processing aid 4 parts, impact modifier 15 parts, lubricant 2.5 parts, weighting agent 10 parts, abrasion resistance modifier 8 parts; Polyvinyl chloride resin is PVC SG-5, and stablizer is organotin stabilizer 17Mok, and processing aid is ACR401, and impact modifier is made up of 7 parts of MBS B561 and 8 part CPE 135A; Lubricant is made up of 1.5 parts of polyethylene waxs, 0.6 part of calcium stearate and 0.4 part of stearic acid, and weighting agent is activated Calcium carbonate;
Polyvinyl chloride tube material preparation method step is as follows:
A) chip will produced from the jadeware course of processing, through grinding refinement, screening, classification, after drying treatment, obtain the sheet silicate mineral substance of particle size range 0.5 ~ 20 μm, the sheet structure silicate mineral of above-mentioned feature is added titanate coupling agent and stearic acid carries out stir process, mixing speed 1000 ~ 2000 revs/min, churning time 5 ~ 20 minutes, whipping temp 60 ~ 110 DEG C, stirring completes blowing and namely obtains abrasion resistance modifier, wherein the consumption of stearic acid and titanate coupling agent is 0.5% ~ 2.0% of abrasion resistance modifier total amount, stearic acid and titanate coupling agent consumption use by weight 1:1,
B) polyvinyl chloride resin, stablizer, processing aid, impact modifier, lubricant, weighting agent are put into after high-speed stirring mixer carries out stirring at low speed and carried out high-speed stirring again, mixing speed 1000 ~ 2000 revs/min;
C) during mixing temperature to 90 DEG C, step a) described abrasion resistance modifier is added in high-speed stirring mixer, be stirred to mixing temperature reach 110 DEG C after remix 1 minute, cool in discharging to low-speed mixer, discharging when being cooled to 40 DEG C, have scrape abrasion resistance can polyvinyl chloride tube material.
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| CN105017673A (en) * | 2014-04-15 | 2015-11-04 | 绍兴文理学院 | Shell powder enhanced polyvinyl chloride pipe and production method thereof |
| CN104109277A (en) * | 2014-07-31 | 2014-10-22 | 姚将安 | Railway polymer anti-creeping strut material and railway polymer anti-creeping strut |
| CN104292686A (en) * | 2014-09-04 | 2015-01-21 | 六安市顺达塑业有限公司 | Wear-resistant PVC pipe and preparation method thereof |
| CN108102253A (en) * | 2017-12-26 | 2018-06-01 | 镒胜电子科技(昆山)有限公司 | A kind of plastic formula |
| CN108314853A (en) * | 2018-02-09 | 2018-07-24 | 内蒙古工业大学 | A kind of preparation method and environmental protection type material of rubber of environmental protection type material of rubber |
| CN109135096A (en) * | 2018-06-21 | 2019-01-04 | 江苏诺贝尔塑业有限公司 | A kind of wear-resisting PVC solid wall pipe and preparation method thereof |
| CN111171475A (en) * | 2020-02-18 | 2020-05-19 | 江苏博云塑业股份有限公司 | Hard polyvinyl chloride pipe material and preparation method thereof |
| CN113105700A (en) * | 2021-03-01 | 2021-07-13 | 江苏远通塑胶制品有限公司 | PVC-M pipe with excellent wear resistance |
| CN114193590A (en) * | 2021-11-19 | 2022-03-18 | 长兴浙宛复合材料有限公司 | Wear-resistant abrasive particles and preparation method thereof |
| CN115073871A (en) * | 2022-07-15 | 2022-09-20 | 浙江煜华车饰有限公司 | Wear-resistant PVC plastic and preparation method thereof |
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| CN101781430A (en) * | 2009-01-20 | 2010-07-21 | 新疆联塑节水设备有限公司 | Improved environment-protection PVC-U high-strength tubing |
| US20100292379A1 (en) * | 2009-05-12 | 2010-11-18 | Nan Ya Plastics Corporation | PVC resin composition and products made of the same |
| CN102020782A (en) * | 2009-09-22 | 2011-04-20 | 中国石油化工股份有限公司 | Functional filling capable of improving wear-resistant property of plastic and rubber and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100193055B1 (en) * | 1996-05-14 | 1999-06-15 | 이종학 | Rigid pvc pipe with high impact resistance for water works |
| CN101781430A (en) * | 2009-01-20 | 2010-07-21 | 新疆联塑节水设备有限公司 | Improved environment-protection PVC-U high-strength tubing |
| US20100292379A1 (en) * | 2009-05-12 | 2010-11-18 | Nan Ya Plastics Corporation | PVC resin composition and products made of the same |
| CN102020782A (en) * | 2009-09-22 | 2011-04-20 | 中国石油化工股份有限公司 | Functional filling capable of improving wear-resistant property of plastic and rubber and preparation method thereof |
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