CN102786747A - PVC strengthening plasticizing nano-material - Google Patents
PVC strengthening plasticizing nano-material Download PDFInfo
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- CN102786747A CN102786747A CN2012102371312A CN201210237131A CN102786747A CN 102786747 A CN102786747 A CN 102786747A CN 2012102371312 A CN2012102371312 A CN 2012102371312A CN 201210237131 A CN201210237131 A CN 201210237131A CN 102786747 A CN102786747 A CN 102786747A
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Abstract
The invention provides a PVC strengthening plasticizing nano-material. According to the invention, nano SiO2 particles are subject to surface treatment by supersonic wave, vibro-milling and the like, a PVC/SiO2 nano composite is prepared by melt blending, and the strengthening and plasticizing effect of the nano particles on PVC is studied.
Description
Technical field
A kind of composite fortifier for polyvinyl chloride that adds when the present invention relates to produce the PVC goods is specifically related to a kind of PVC and strengthens plasticising nano material SiO
2
Background technology
SE is one of five big resins for universal use, and its output is only second to Vilaterm.Along with the large-scale popularization and the use of chemical building material, the usage ratio of PVC boardy product improves constantly, and especially demand growth such as tubing, sheet material and section bar are rapid, and therefore the use properties to SE has had higher requirement.PVC RESINS is more crisp, and traditional toughening modifying technology normally adds people's rubber elastomer in resin, but is to be cost to reduce material valuable rigidity, thermotolerance, dimensional stability.
Nanoparticle has a series of strange physics and chemical property (like HS, high firmness, excellent thermotolerance and antioxidant property etc.) and the unexistent material secondary function of coarse particle characteristic (big like specific surface area, specific surface energy is high); Nanoparticle is added in the polymkeric substance through modes such as filling-modified, blending and modifyings, can significantly improve mechanical property, scratch-resistant performance, thermomechanical property, ageing-resistant performance of polymkeric substance etc.If the surface of nanoparticle is handled, suitably reduce the surface energy of nanoparticle, nanoparticle is disperseed with the primary partical uniform form in matrix resin as much as possible, and agglomeration does not take place, more obvious to the improvement of polymkeric substance mechanical property.This is also just becoming one of current composite study focus.
The key of optimizing composite property is to realize the ultra tiny dispersion of nanoparticle in polymkeric substance, and present research mainly is to utilize special preparation method (like intercalation polymeric, solution blending etc.) to improve the dispersion of nanoparticle in polymeric matrix.
Summary of the invention
The invention provides a kind of PVC and strengthen the plasticising nano material, this patent adopts methods such as UW, vibration to nanometer SiO
2Particle carries out surface treatment, and the method through melt blending has prepared PVC/SiO
2Nano composite material.Studied enhancing, the toughening effect of nanoparticle to PVC.
1. a PVC strengthens the plasticising nano material, it is characterized in that PVC RESINS adds people's stablizer, lubricant by certain prescription, mediates 110 ℃ of dischargings in high speed kneader high speed; With the nanoparticle of handling well blend on two rollers, temperature is about 170 ℃; Mold pressing, moulding.
2. two kinds of different modes of the described employing of step 1 are handled nanometer SiO
2Particle: (1) is dissolved in acetone soln with silane coupling agent, adds nanometer SiO
2Particle is handled certain hour through ultra-sonic oscillation, and solvent is sloughed in oven dry; (2) with certain proportion nanometer SiO
2Particle and PVC add in the vibration container, add silane coupling agent and thermo-stabilizer, the vibration certain hour, and discharging is for use.
3. the system breach is milled in the sample preparation on omnipotent sampling machine of the described impact specimen of step 1, and the socle girder impact property is pressed GB/T 1843-80, on the XJ-40A cantilever beam impact tester, measures.
4. the described tension specimen of step 1 is processed with cutting a kind cutter cutting on the model machine, and tensile property is measured on 4302 type Instron electronic universal material testing machines by GB/T 1040-92 standard.
5. the optimum content of the described silane coupling agent of step 2 is 1.5%.
6. described UW of step 2 and vibration are used in combination with coupling agent, can nano material be dispersed in the PVC RESINS, reach to strengthen toughness reinforcing purpose.
7. the optimum content of the described nanoparticle of step 2 is 4.5%.
8. the described vibration of step 2 time optimal is 9 h.
Beneficial effect of the present invention is: adopt methods such as UW, vibration to nanometer SiO
2Particle carries out surface treatment, and the method through melt blending has prepared polyvinyl chloride nano matrix material high-strength, high-ductility.
Description of drawings
Fig. 1 coupling agent consumption is to PVC/ nanometer SiO
2The influence of matrix material tensile strength.
Fig. 2 coupling agent consumption is to PVC/ nanometer SiO
2The influence of matrix material shock strength.
Fig. 3 nanometer SiO
2Content is to PVC/ nanometer SiO
2The influence of matrix material tensile strength.
Fig. 4 nanometer SiO
2Content is to PVC/ nanometer SiO
2The influence of matrix material shock strength.
Fig. 5 vibration time is to PVC/ nanometer SiO
2The influence of matrix material shock strength.
Fig. 6 vibration time is to PVC/ nanometer SiO
2The influence of matrix material tensile strength.
Embodiment
Following embodiment elaborates to the present invention, but to not restriction of the present invention.
PVC RESINS adds people's stablizer, lubricant by certain prescription, mediates 110 ℃ of dischargings in high speed kneader high speed; With the nanoparticle of handling well blend on two rollers, temperature is about 170 ℃; Mold pressing, moulding.Two kinds of different modes of described employing are handled nanometer SiO
2Particle: (1) is dissolved in acetone soln with silane coupling agent, adds nanometer SiO
2Particle is handled certain hour through ultra-sonic oscillation, and solvent is sloughed in oven dry; (2) with certain proportion nanometer SiO
2Particle and PVC add in the vibration container, add silane coupling agent and thermo-stabilizer, the vibration certain hour, and discharging is for use.
The system breach is milled in the sample preparation on omnipotent sampling machine of described impact specimen, and the socle girder impact property is pressed GB/T 1843-80, on the XJ-40A cantilever beam impact tester, measures.
Described tension specimen is processed with cutting a kind cutter cutting on the model machine, and tensile property is measured on 4302 type Instron electronic universal material testing machines by GB/T 1040-92 standard.
The optimum content of described silane coupling agent is 1.5%.
Described UW and vibration are used in combination with coupling agent, can nano material be dispersed in the PVC RESINS, reach to strengthen toughness reinforcing purpose.
The optimum content of described nanoparticle is 4.5%.
Described vibration time optimal is 9 h.
Present embodiment explanation coupling agent content is to the influence of composite materials property, and the consumption of coupling agent has bigger influence to the performance of ultrafine particle potting resin.Fig. 1, the 2nd, coupling agent content and nanometer SiO
2Filling polyvinyl chloride (wherein PVC and SiO
2Amount ratio is 100/3) tensile strength and the change curve of shock strength; As can be seen from the figure; The content of coupling agent has very big influence to the tensile strength and the shock strength of polyvinyl chloride nano matrix material, and along with the increase of coupling agent content, tensile strength and shock strength increase; Reached peak about 1.5% o'clock greatly, add its mechanical property of coupling agent again and then do not rise counter falling.This shows; Add an amount of coupling agent, improved the dispersion of nanoparticle in matrix and the compatibility of PVC macromole and nanoparticle, improved the interfacial adhesion effect between nanoparticle and matrix; Nanoparticle is difficult for and the matrix unsticking, helps to improve the mechanical property of matrix material; And excessive coupling agent forms compliant interface on the contrary, becomes defective, has reduced interface cohesive force, and the mechanical property of matrix material is reduced.
Embodiment 2
Present embodiment explanation different treatment mode is to the influence of composite materials property, and table 1 is the PVC/ nanometer SiO of different treatment mode
2(100/3) mechanical property of matrix material contrast.Can find out that from table 1 shock strength of the nanometer Sio2 particle filled composite material that is untreated and tensile strength change not quite, Young's modulus increases, and the result shows: part nanometer SiO in this infill system
2A large amount of gatherings has taken place in particle in PVC RESINS, form big coacervate, is prone in the SE matrix, form defective, has therefore made it to lose due enhancing toughening effect to SE in all things considered.
As known from Table 1, ultrasonic wave and vibration are used in combination with coupling agent, nano material can be dispersed in the Corvic, reach to strengthen toughness reinforcing purpose.
The PVC/ nanometer SiO of table 1 different treatment mode
2(100/3) mechanical property of matrix material
| The different treatment mode | Fermentation period (h) | Alcoholic strength (%vol) | Sensory evaluation scores |
| Pure PVC | 58.82 | 3049 | 20.13 |
| SiO is untreated 2 | 59.24 | 3258 | 22.87 |
| Ultrasonication | 67.35 | 3712 | 56.73 |
| Vibration is handled | 65.84 | 3602 | 60.98 |
Present embodiment explanation nanoparticle content is to the influence of polyvinyl chloride composite materials mechanical property, Fig. 3, the 4th, different content nanometer SiO
2Particle-filled SE compound system tensile strength and shock strength change curve.Along with the increase of silicon-dioxide consumption, the tensile strength and the shock strength of polyvinyl chloride composite materials increase gradually, and dioxide-containing silica is 4.5% o'clock, obtains peak.Compare with the mechanical property of pure SE, it is about 10.9% that action of ultrasonic waves has improved the tensile property of nano composite material, and shock strength is 256% of a pure SE; The vibration effect makes tensile strength improve 5.7%, and shock strength is 276% of a pure SE.
Embodiment 4
The present embodiment explanation vibration time is to the influence of composite materials property, Fig. 5, the 6th, nanoparticle vibration treatment time and PVC/ nanometer SiO
2(100/3) change curve of composite materials property.As seen from the figure, the vibration processing time is an important parameters.With the increase of vibration time, mechanical property increases, when the treatment time is 9 h, and PVC/ nanometer SiO
2The tensile strength and the notched Izod impact strength of matrix material reach peak; Continue vibration, the mechanical property of matrix material descends again gradually.
Claims (6)
1. a PVC strengthens the plasticising nano material, it is characterized in that being prepared from through following method: in PVC RESINS, add stablizer, lubricant, mediate 110 ℃ of dischargings in high speed kneader high speed; Nanoparticle on two rollers the blend good with pre-treatment, temperature is about 170 ℃; Mold pressing, moulding.
2. PVC according to claim 1 strengthens the plasticising nano material, it is characterized in that the treatment process of the nanoparticle that pre-treatment is good is: silane coupling agent is dissolved in acetone soln, adds nanometer SiO
2Particle is handled certain hour through ultra-sonic oscillation, and solvent is sloughed in oven dry.
3. PVC according to claim 1 strengthens the plasticising nano material, it is characterized in that the treatment process of the nanoparticle that pre-treatment is good is: with nanometer SiO
2Particle and PVC add in the vibration container, add silane coupling agent and thermo-stabilizer, the vibration certain hour, and discharging is for use.
4. strengthen the plasticising nano material according to claim 2 or 3 described PVC, the content that it is characterized in that silane coupling agent is 1.5%.
5. strengthen the plasticising nano material according to claim 2 or 3 described PVC, the optimum content that it is characterized in that nanoparticle is 4.5%.
6. PVC according to claim 3 strengthens the plasticising nano material, it is characterized in that vibration time optimal is 9 h.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103709793A (en) * | 2013-12-31 | 2014-04-09 | 安徽理工大学 | Fly ash ultrasound-enhanced surface modification and application to replace carbon black filled rubber |
| CN104262857A (en) * | 2014-10-22 | 2015-01-07 | 苏州市景荣科技有限公司 | Highly wear-resistant PVC (Polyvinyl Chloride) sole material and manufacturing method thereof |
| CN104341697A (en) * | 2014-10-22 | 2015-02-11 | 苏州市景荣科技有限公司 | High-folding-resistance PVC sole material and preparation method thereof |
| CN116063742A (en) * | 2023-04-06 | 2023-05-05 | 山东东临新材料股份有限公司 | Polyvinyl chloride composite processing aid and preparation method thereof |
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| CN1340564A (en) * | 2000-08-24 | 2002-03-20 | 黄锐 | Process for preparing nm-class particles toughened and reinforced polyvinyl chloride composite material |
| CN1439674A (en) * | 2003-03-18 | 2003-09-03 | 四川大学 | Polyvinyl chloride reinforcing and tougheness improving modifier and preparation and application thereof |
| US20050197438A1 (en) * | 2000-07-03 | 2005-09-08 | Yves Bomal | Polymer compositions with improved mechanical properties |
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2012
- 2012-07-10 CN CN2012102371312A patent/CN102786747A/en active Pending
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| US20050197438A1 (en) * | 2000-07-03 | 2005-09-08 | Yves Bomal | Polymer compositions with improved mechanical properties |
| CN1340564A (en) * | 2000-08-24 | 2002-03-20 | 黄锐 | Process for preparing nm-class particles toughened and reinforced polyvinyl chloride composite material |
| CN1439674A (en) * | 2003-03-18 | 2003-09-03 | 四川大学 | Polyvinyl chloride reinforcing and tougheness improving modifier and preparation and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 《聚氯乙烯》 20030130 田满红等 "纳米SiO2增强增韧聚氯乙烯复合材料的研究" 第26-29、32页，第1、2.1、2.3、2.4部分 1-6 , 第1期 * |
| 田满红等: ""纳米SiO2增强增韧聚氯乙烯复合材料的研究"", 《聚氯乙烯》, no. 1, 30 January 2003 (2003-01-30) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103709793A (en) * | 2013-12-31 | 2014-04-09 | 安徽理工大学 | Fly ash ultrasound-enhanced surface modification and application to replace carbon black filled rubber |
| CN104262857A (en) * | 2014-10-22 | 2015-01-07 | 苏州市景荣科技有限公司 | Highly wear-resistant PVC (Polyvinyl Chloride) sole material and manufacturing method thereof |
| CN104341697A (en) * | 2014-10-22 | 2015-02-11 | 苏州市景荣科技有限公司 | High-folding-resistance PVC sole material and preparation method thereof |
| CN116063742A (en) * | 2023-04-06 | 2023-05-05 | 山东东临新材料股份有限公司 | Polyvinyl chloride composite processing aid and preparation method thereof |
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Application publication date: 20121121 |