CN102311579A - Antistatic polypropylene material and preparation method and application thereof - Google Patents
Antistatic polypropylene material and preparation method and application thereof Download PDFInfo
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- CN102311579A CN102311579A CN201110106572A CN201110106572A CN102311579A CN 102311579 A CN102311579 A CN 102311579A CN 201110106572 A CN201110106572 A CN 201110106572A CN 201110106572 A CN201110106572 A CN 201110106572A CN 102311579 A CN102311579 A CN 102311579A
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Abstract
The invention is suitable for the technical field of engineering plastics and provides an antistatic polypropylene material and a preparation method and application thereof. The antistatic polypropylene material comprises the following components in percentage by weight: 92 to 98 percent of polypropylene, 1 to 5 percent of compatilizer, 1 to 3 percent of polymer antistatic agent and 0.3 to 0.6 percent of lubricant. For the antistatic polypropylene material disclosed by the invention, by using polymer as base resin, using maleic anhydride-grafted PP (polystyrene) or PE (polyurethane) as the compatilizer, cooperatively using polymer antistatic agent and controlling the using amounts of the components, the binding force between the antistatic agent and the polypropylene is excellent, so that the aim that in the using process of the antistatic polypropylene material, the antistatic agent cannot be transferred to the surface is fulfilled, and thus, the antistatic polypropylene material has long-term antistatic effect and the obvious promotion of the mechanical performance of the antistatic polypropylene material is also realized. The preparation method of the antistatic polypropylene material is simple to operate, has low cost and high production benefits and is suitable for industrial production.
Description
Technical field
The invention belongs to the engineering plastics technical field, relate in particular to a kind of antistatic polypropylene material, its preparation method and application.
Background technology
PP is one of five big general-purpose plastics materials.PP has good stress cracking resistance, and very high flexible life is arranged, and is commonly called as " polypropylene (PP) ".The PP product has advantages such as light weight, good toughness, chemical resistant properties be good.PP material surface resistance is high, have static to be prone to the shortcoming of dust suction, limited its further application.The Anti-static PP material can improve this shortcoming, handles through the PP material being carried out modification, reduces material surface resistance, makes it not produce static and maybe the static that produces is discharged, and can avoid the material dust suction.
But at present, that the static inhibitor of use is divided into usually is cationic, two big types of anionics, and these two types of static inhibitor all belong to micromolecular compound, and in use, static inhibitor is very fast precipitate into surface of plastic products, and therefore, the antistatic effect timeliness is short.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of antistatic time long antistatic polypropylene material, its preparation method and application.
The present invention is achieved in that
A kind of antistatic polypropylene material comprises following components in weight percentage content:
And,
A kind of antistatic polypropylene material preparation method comprises the steps:
With weight percentage is that the Vestolen PP 7052 of 92-98%, the compatilizer that weight percentage is 1-5%, polymeric antistatic agent and the weight percentage that weight percentage is 1-3% are the mix lubricant of 0.3-0.6%, obtains mixture;
This mixture is extruded processing, obtain antistatic polypropylene material.
The embodiment of the invention further provides the application of above-mentioned antistatic polypropylene material in electric appliance casing, automobile case, electronic instrument, precision optical machinery.
Embodiment of the invention antistatic polypropylene material through selecting for use Vestolen PP 7052 as basic resin, uses maleic anhydride graft PP or PE as compatilizer; Be used the polymer static inhibitor again; Through the consumption of control said components, make to have excellent bonding force between static inhibitor and the Vestolen PP 7052 simultaneously, realized that antistatic polypropylene material in use; This static inhibitor can not transferred to the surface, thereby has the antistatic effect of long period; Simultaneously, realized the remarkable lifting of antistatic polypropylene material mechanical property.Embodiment of the invention antistatic polypropylene material preparation method, simple to operate, with low cost, productivity effect is high, is suitable for suitability for industrialized production.
Description of drawings
Fig. 1 is an embodiment of the invention antistatic polypropylene material preparation method schema.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention provides a kind of antistatic polypropylene material, comprises following components in weight percentage content:
Particularly, this Vestolen PP 7052 (PP) has higher flowability (23 ℃, under 2.16 kilograms of test conditions, melting index is greater than 20g/10min), and other are restriction not, like the BJ750 of Samsung first woolens, the AP03B of Exxon Mobil etc.This polyacrylic weight percentage is 92-98%, is preferably 93-97%.
Particularly, this compatilizer is PP or PE grafted maleic anhydride class compatilizer, and other are restriction not, the 200A of the light of Ningbo ability for example, and the SWJ-1B that Shenyang is four-dimensional, I take charge of and make 8010-MAH etc. by oneself, and the weight percentage of this compatilizer is 1-5%, is preferably 2-4%.The preparation method of 8010-MAH referring to after state.
Particularly, this lubricant is restriction not, for example, and Zinic stearas, BS, amine hydroxybenzene, ethylenebisstearamide, glyceryl monostearate etc.The weight percentage of this lubricant is 0.3-0.6%.
Particularly, the static inhibitor that uses in the embodiment of the invention antistatic polypropylene material is the polymeric antistatic agent, and the molecular weight of this polymeric antistatic agent is 10000-15000.Concrete not restriction for example, the peaceful glyceryl monostearate D8312 of German section, the NC6321 of Toyota Tsusho chemistry etc., Ke Laien HS1, is gone up the BD-3 of Hainan nation etc.The weight percentage of this polymeric antistatic agent is 1-3%, is preferably 1-2%.
Embodiment of the invention antistatic polypropylene material, through selecting for use Vestolen PP 7052 as basic resin, with maleic anhydride graft PP or PE as compatilizer; Be used the polymer static inhibitor again; Through the consumption of control said components, make to have excellent bonding force between static inhibitor and the Vestolen PP 7052 simultaneously, realized that antistatic polypropylene material in use; This static inhibitor can not transferred to the surface, thereby has the antistatic effect of long period; Simultaneously, realized the remarkable lifting of antistatic polypropylene material mechanical property.
See also Fig. 1, Fig. 1 shows embodiment of the invention antistatic polypropylene material preparation method schema, comprises the steps:
Step S01 mixes
With weight percentage is that the Vestolen PP 7052 of 92-98%, the compatilizer that weight percentage is 1-5%, polymeric antistatic agent and the weight percentage that weight percentage is 1-3% are the mix lubricant of 0.3-0.6%, obtains mixture;
Step S02 extrudes processing
This mixture is extruded processing, obtain antistatic polypropylene material.
Particularly, this Vestolen PP 7052, compatilizer, polymeric antistatic agent and lubricant do not repeat to set forth at this with aforesaid identical.
Particularly, also comprise as follows before the step S01 Vestolen PP 7052 carried out the exsiccant step:
With Vestolen PP 7052 in 90-95 ℃ of forced air drying 2～4 hours.
Further, embodiment of the invention antistatic polypropylene composite material preparation method also comprises the preparation process of 8010-MAH, and is specific as follows: (weight percentage said of this place be meant in each step in this step of each ingredients constitute all the percentage composition of components)
S1, with maleic anhydride, initiator, oxidation inhibitor join in the vinylbenzene and to stir 0.3-0.5 hour;
This initiator is a Diisopropyl azodicarboxylate, and the maleic anhydride weight percentage is 30～40%; The initiator weight percentage is 0.3-0.8%; The oxidation inhibitor weight percentage is 0.1-0.5%; Vinylbenzene weight percentage 40-60%; (weight percentage in this is each composition weight sum on each components by weight)
S2, adding weight percentage are 70～90% Vestolen PP 7052, stirred 0.3-0.5 hour, and be to extrude processing under 150～180 ℃ of conditions in temperature, obtain maleic anhydride inoculated polypropylene.(weight percentage in this is the gross weight of the mixture that obtains among Vestolen PP 7052 and the S1 on the polyacrylic weight ratio)
Particularly, among the step S01, the equipment that mixing step uses is restriction not, for example mixing roll, stirrer, high mixer etc., and the blended time is 2-4 hour.
Particularly, among the step S02, this parameter of extruding processing is following:
Screw extrusion press one district temperature 185-220 ℃, two district temperature 185-220 ℃, three district temperature 185-220 ℃; Four district temperature 185-220 ℃, five district temperature 185-220 ℃, six district temperature 185-220 ℃; Seven district temperature 185-220 ℃; Head 185-220 ℃, the residence time 2～3min, pressure are 12-18MPa.This extrusion equipment is restriction not, for example single screw extrusion machine, twin screw extruder.
Embodiment of the invention antistatic polypropylene material preparation method, simple to operate, with low cost, productivity effect is high, is suitable for suitability for industrialized production.
The embodiment of the invention further provides the application of above-mentioned antistatic polypropylene material in electric appliance casing, automobile case, electronic instrument, precision optical machinery.
Below in conjunction with specific embodiment above-mentioned antistatic polypropylene material preparation method is set forth in detail.
Embodiment one
Embodiment of the invention antistatic polypropylene material preparation method comprises the steps:
With weight percentage is that 92.5% PP, weight percentage are 4% compatilizer 8010-MAH, and weight percentage is that 3% D8312, weight percentage are that 0.5% glyceryl monostearate mixes, and obtains mixture;
This mixture is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization obtains antistatic polypropylene material; Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 185 ℃; Two districts: 195 ℃; Three districts: 200 ℃; Four districts: 210 ℃; 210 ℃ of five district's temperature; 215 ℃ of six district's temperature; 215 ℃ of seven district's temperature; Head: 220 ℃; The residence time 2～3min.Pressure is 15MPa.
Embodiment two
Embodiment of the invention antistatic polypropylene material preparation method comprises the steps:
With weight percentage is that 94% PP, weight percentage are 3% compatilizer SWJ-1B, and weight percentage is that 2.5% NC6321, weight percentage are that 0.5% Zinic stearas mixes, and obtains mixture;
This mixture is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization obtains antistatic polypropylene material; Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 185 ℃; Two districts: 195 ℃; Three districts: 200 ℃; Four districts: 210 ℃; 210 ℃ of five district's temperature; 215 ℃ of six district's temperature; 215 ℃ of seven district's temperature; Head: 220 ℃; The residence time 2～3min.Pressure is 15MPa.
Embodiment three
Embodiment of the invention antistatic polypropylene material preparation method comprises the steps:
With weight percentage is that 94.6% PP, weight percentage are 3% compatilizer SWJ-1B, and weight percentage is that 2% NC6321, weight percentage are that 0.4% Zinic stearas mixes, and obtains mixture;
This mixture is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization obtains antistatic polypropylene material; Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 185 ℃; Two districts: 195 ℃; Three districts: 200 ℃; Four districts: 210 ℃; 210 ℃ of five district's temperature; 215 ℃ of six district's temperature; 215 ℃ of seven district's temperature; Head: 220 ℃; The residence time 2～3min.Pressure is 15MPa.
Embodiment four
Embodiment of the invention antistatic polypropylene material preparation method comprises the steps:
With weight percentage is that 96.5% PP, weight percentage are 2% compatilizer SWJ-1B, and weight percentage is that 1% NC6321, weight percentage are that 0.5% Zinic stearas mixes, and obtains mixture;
This mixture is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization obtains antistatic polypropylene material; Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 185 ℃; Two districts: 195 ℃; Three districts: 200 ℃; Four districts: 210 ℃; 210 ℃ of five district's temperature; 215 ℃ of six district's temperature; 215 ℃ of seven district's temperature; Head: 220 ℃; The residence time 2～3min.Pressure is 15MPa.
Embodiment five
Embodiment of the invention antistatic polypropylene material preparation method comprises the steps:
With weight percentage is that 97.4% PP, weight percentage are 1.1% compatilizer SWJ-1B, and weight percentage is that 1% NC6321, weight percentage are that 0.5% Zinic stearas mixes, and obtains mixture;
This mixture is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization obtains antistatic polypropylene material; Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 185 ℃; Two districts: 195 ℃; Three districts: 200 ℃; Four districts: 210 ℃; 210 ℃ of five district's temperature; 215 ℃ of six district's temperature; 215 ℃ of seven district's temperature; Head: 220 ℃; The residence time 2～3min.Pressure is 15MPa.
Performance test:
Tensile strength is tested by ASTM D-638 standard.Specimen types is the I type, batten size (mm): (176 ± 2) (length) * (12.6 ± 0.2) (end width) * (3.05 ± 0.2) (thickness), and draw speed is 50mm/min;
Flexural strength and modulus in flexure are tested by ASTM D-790 standard.Specimen types is specimen size (mm): (128 ± 2) * (12.67 ± 0.2) * (3.11 ± 0.2), rate of bending are 20mm/min;
The socle girder notched Izod impact strength is tested by ASTM D-256 standard.Specimen types is the I type, specimen size (mm): (63 ± 2) * (12.45 ± 0.2) * (3.1 ± 0.2); The breach type is a category-A, and the breach residual thickness is 1.9mm;
Surface resistivity is tested by ASTM D-1568 standard.Specimen types is the I type, batten size (mm): (176 ± 2) (length) * (12.6 ± 0.2) (end width) * (3.05 ± 0.2) (thickness), 23 ℃ of probe temperatures, humidity RH50%.
The component and the material property of the antistatic polypropylene material of embodiment one to five see the following form:
Can find out that by last table anti-static composite material has better comprehensive performance.The embodiment of the invention is through selecting the moderate polymeric antistatic agent of molecular weight for use, and such static inhibitor and PP consistency are better, therefore can obviously not reduce the mechanical property of plastic basis material, and the surface resistivity of embodiment of the invention antistatic polypropylene material is 10
8～10
12Ω is far below 10 of pure PP material
16Ω, so material conducts electricity very well, and can significantly improve the shortcoming that PP raw material surface is prone to build up dust, expanded the Application Areas of PP material.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. antistatic polypropylene material comprises following components in weight percentage content:
2. antistatic polypropylene material as claimed in claim 1 is characterized in that, said polyacrylic weight percentage is 93-97%.
3. antistatic polypropylene material as claimed in claim 1 is characterized in that, the number-average molecular weight of said polymeric antistatic agent is 10000～15000.
4. antistatic polypropylene material as claimed in claim 1 is characterized in that, the weight percentage of said polymeric antistatic agent is 1-2%.
5. an antistatic polypropylene material preparation method comprises the steps:
With weight percentage is that the Vestolen PP 7052 of 92-98%, the compatilizer that weight percentage is 1-5%, polymeric antistatic agent and the weight percentage that weight percentage is 1-3% are the mix lubricant of 0.3-0.6%, obtains mixture;
This mixture is extruded processing, obtain antistatic polypropylene material.
6. antistatic polypropylene material preparation method as claimed in claim 5 is characterized in that, also comprises before the said mixing step the withering step of Vestolen PP 7052.
7. antistatic polypropylene material preparation method as claimed in claim 5 is characterized in that, said polyacrylic weight percentage is 93-97%.
8. antistatic polypropylene material preparation method as claimed in claim 5 is characterized in that, the weight percentage of said polymeric antistatic agent is 1-2%.
9. antistatic polypropylene material preparation method as claimed in claim 5 is characterized in that, saidly extrudes processing at a district temperature 185-220 ℃; Two district temperature 185-220 ℃, three district temperature 185-220 ℃, four district temperature 185-220 ℃; Five district temperature 185-220 ℃, six district temperature 185-220 ℃, seven district temperature 185-220 ℃; Head 185-220 ℃, the residence time 2～3min, pressure carry out under the 12-18Mpa condition.
10. like each described antistatic polypropylene material application in electric appliance casing, automobile case, electronic instrument, precision optical machinery of claim 1-4.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103275373A (en) * | 2013-05-22 | 2013-09-04 | 江苏坚美塑业有限公司 | Antistatic plastic turnover box |
| CN104788816A (en) * | 2015-04-01 | 2015-07-22 | 李文东 | High-transparency anti-static BOPP film and preparation method thereof |
| CN107603011A (en) * | 2017-09-21 | 2018-01-19 | 浙江乍浦塑料制品有限公司 | Antistatic hollow sheeting and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657665A (en) * | 2004-02-17 | 2005-08-24 | 中国石油化工股份有限公司 | Antistatic dyeable multifunctional polypropylene fibre |
| CN101463163A (en) * | 2009-01-09 | 2009-06-24 | 四川大学 | Permanent antistatic polypropylene material and preparation thereof |
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2011
- 2011-04-27 CN CN201110106572A patent/CN102311579A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657665A (en) * | 2004-02-17 | 2005-08-24 | 中国石油化工股份有限公司 | Antistatic dyeable multifunctional polypropylene fibre |
| CN101463163A (en) * | 2009-01-09 | 2009-06-24 | 四川大学 | Permanent antistatic polypropylene material and preparation thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103275373A (en) * | 2013-05-22 | 2013-09-04 | 江苏坚美塑业有限公司 | Antistatic plastic turnover box |
| CN104788816A (en) * | 2015-04-01 | 2015-07-22 | 李文东 | High-transparency anti-static BOPP film and preparation method thereof |
| CN107603011A (en) * | 2017-09-21 | 2018-01-19 | 浙江乍浦塑料制品有限公司 | Antistatic hollow sheeting and preparation method thereof |
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Application publication date: 20120111 |