CN105295349A - Antistatic plastic and preparation method thereof - Google Patents
Antistatic plastic and preparation method thereof Download PDFInfo
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- CN105295349A CN105295349A CN201510736529.4A CN201510736529A CN105295349A CN 105295349 A CN105295349 A CN 105295349A CN 201510736529 A CN201510736529 A CN 201510736529A CN 105295349 A CN105295349 A CN 105295349A
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Abstract
The invention relates to an antistatic plastic and a preparation method thereof. The antistatic plastic comprises the following components in percentage by weight: 25-30 percent of polyphenyl ether, 25-30 percent of nylon 66, 1-3 percent of high strength polyethylene, 10-15 percent of carbon fibers, 5-10 percent of glass fibers, 8-12 percent of carbon black, 5-10 percent of a compatilizer, 5-10 percent of a flexibilizer and 0.5-1.5 percent of aids.
Description
Technical field
The invention belongs to polymeric material field, refer to a kind of anti-static plastic and preparation method thereof especially.
Background technology
PPO (polyphenylene oxide) resin and PA66 (nylon66 fiber) resin are one of widely used engineering plastics.PPO has high heat-resisting, and dimensional stabilizing, electric insulating quality is good, but its processing fluidity is poor, not organic solvent-resistant.PA66 belongs to crystalline material, good fluidity, organic solvent-resistant, but it easily absorbs water, poor dimensional stability.
PPO/PA66 synthetic plastics combines the performance of PPO and PA66, and with the thermotolerance of its excellence, good processibility, can sprayability etc. be used widely.At present, most enhancement type PPO/PA66 synthetic plastics adopts glass fibre to strengthen, and obtained density of material is comparatively large, and strength enhancing is inadequate, does not possess antistatic effect.
Summary of the invention
The object of this invention is to provide a kind of antistatic synthetic plastics, solve existing PPO/PA66 synthetic plastics intensity and the not strong problem of antistatic property.
The present invention is achieved through the following technical solutions:
A kind of anti-static plastic, percentage composition comprises following component by weight: the polyphenylene oxide of 25-30%, the nylon66 fiber of 25-30%, the high-strength polyethylene of 1-3%, the carbon fiber of 10-15%, the glass fibre of 5-10%, the carbon black of 8-12%, the compatilizer of 5-10%, the toughner of 5-10%, the auxiliary agent of 0.5-1.5%.
Described auxiliary agent includes oxidation inhibitor, lubricant and thermo-stabilizer; Described oxidation inhibitor: lubricant: thermo-stabilizer weight ratio is 1: 2: 2.
Compatilizer is selected from the PPO-g-MAH that percentage of grafting is 0.8-1.5%, polyphenylene oxide grafted maleic anhydride, by adding compatilizer, enhance the interface compatibility of PPO and PA66, interface between carbon fiber, carbon black, PPO and PA66 is mixed more, realizes the Homogeneous phase mixing of each component in PPO/PA66 synthetic plastics.
Toughner is selected from the SEBS-g-MAH that percentage of grafting is 0.8-1.5%, SEBS grafted maleic anhydride, improves toughness and over-all properties by doping plasticizing agent in synthetic plastics.
A preparation method for anti-static plastic, comprises the following steps:
First, following component will be comprised by percentage composition by weight: the polyphenylene oxide of 25-30%, the nylon66 fiber of 25-30%, the high-strength polyethylene of 1-3%, the carbon black of 8-12%, the compatilizer of 5-10%, the toughner of 5-10%, the auxiliary agent mixing of 0.5-1.5%, obtained mixture;
Secondly, this mixture is gone out process by the screw extrusion press skill that length-to-diameter ratio is 25-40 under temperature 230-250 DEG C of condition, obtains synthetic plastics, extrude in treatment step at this, add the carbon fiber that weight percentage is 10-15%, the glass fibre of 5-10%.
The invention has the beneficial effects as follows:
By doping carbon fiber and carbon black, and the use of high-strength polyethylene, the intensity of PPO/PA66 synthetic plastics is improved, and synthetic materials antistatic property significantly promotes simultaneously.
Embodiment
The content of the technical program is described in detail below by way of specific embodiment.
A kind of anti-static plastic, percentage composition comprises following component by weight: the polyphenylene oxide of 25-30%, the nylon66 fiber of 25-30%, the high-strength polyethylene of 1-3%, the carbon fiber of 10-15%, the glass fibre of 5-10%, the carbon black of 8-12%, the compatilizer of 5-10%, the toughner of 5-10%, the auxiliary agent of 0.5-1.5%.
Described auxiliary agent includes oxidation inhibitor, lubricant and thermo-stabilizer; Described oxidation inhibitor: lubricant: thermo-stabilizer weight ratio is 1: 2: 2.
A preparation method for anti-static plastic, comprises the following steps:
First, following component will be comprised by percentage composition by weight: the polyphenylene oxide of 25-30%, the nylon66 fiber of 25-30%, the high-strength polyethylene of 1-3%, the carbon black of 8-12%, the compatilizer of 5-10%, the toughner of 5-10%, the auxiliary agent mixing of 0.5-1.5%, obtained mixture;
Secondly, this mixture is gone out process by the screw extrusion press skill that length-to-diameter ratio is 25-40 under temperature 230-250 DEG C of condition, obtains synthetic plastics, extrude in treatment step at this, add the carbon fiber that weight percentage is 10-15%, the glass fibre of 5-10%.
In the present invention, described polyphenylene oxide chemical name is poly-2,6-dimethyl-Isosorbide-5-Nitrae-phenylate, is called for short PPO; The chemical name of described nylon66 fiber is poly-adipoyl diamines, is called for short PA66.
Compatilizer is selected from the PPO-g-MAH that percentage of grafting is 0.8-1.5%, polyphenylene oxide grafted maleic anhydride, by adding compatilizer, enhance the interface compatibility of PPO and PA66, interface between carbon fiber, carbon black, PPO and PA66 is mixed more, realizes the Homogeneous phase mixing of each component in PPO/PA66 synthetic plastics.
Toughner is selected from the SEBS-g-MAH that percentage of grafting is 0.8-1.5%, SEBS grafted maleic anhydride, improves toughness and over-all properties by doping plasticizing agent in synthetic plastics.
The length of carbon fiber does not limit, and be preferably short carbon fiber, length is 5-10mm, and by doping PPO/PA66 synthetic plastics, the mechanical property of synthetic plastics is significantly improved, has higher physical strength, antistatic effect promotes simultaneously.Carbon black selects existing carbon black can meet the requirement of technical scheme.Oxidation inhibitor is selected from triglycol two-3-(the 3-tertiary butyl-4 hydroxy-5-methyl base phenyl), and propylene is fine, four [methyl-β-(3,5-di-t-butyl-4 hydroxy phenyl) propionic ester] pentaerythritol ester, one or more combinations in three (2,4-di-tert-butylphenol) phosphorous acid ester.
Lubricant is selected from one or both combinations in tetramethylolmethane stearate or the two stearic amide of ethyl.
Thermo-stabilizer is selected from one or both combinations in zinc oxide or zinc sulphide.
Embodiment 1
Be the PPO of 25% by weight percentage, weight percentage is the PA66 of 30%, the high-strength polyethylene of 3%, and weight percentage is the compatilizer of 6%, and weight percentage is 7% toughner mixing, stirs; Add the carbon black that weight percentage is 8% again, weight percentage be 1% auxiliary agent stir, obtain mixture, this mixture being joined length-to-diameter ratio is in the twin screw extruder of 25-40, be that the carbon fiber of 10% and the glass fibre of 10% join in forcing machine by weight percentage, through melt blending, extruding pelletization, forms antistatic synthetic plastics.
Embodiment 2
Be the PPO of 30% by weight percentage, weight percentage is the PA66 of 25%, the high-strength polyethylene of 3%, and weight percentage is the compatilizer of 6%, and weight percentage is 7% toughner mixing, stirs; Add the carbon black that weight percentage is 8% again, weight percentage be 1% auxiliary agent stir, obtain mixture, this mixture being joined length-to-diameter ratio is in the twin screw extruder of 25-40, be that the carbon fiber of 10% and the glass fibre of 10% join in forcing machine by weight percentage, through melt blending, extruding pelletization, forms antistatic synthetic plastics.
Embodiment 3
Be the PPO of 30% by weight percentage, weight percentage is the PA66 of 30%, the high-strength polyethylene of 2%, and weight percentage is the compatilizer of 6%, and weight percentage is 6% toughner mixing, stirs; Add the carbon black that weight percentage is 10% again, weight percentage be 1% auxiliary agent stir, obtain mixture, this mixture being joined length-to-diameter ratio is in the twin screw extruder of 25-40, be that the carbon fiber of 10% and the glass fibre of 5% join in forcing machine by weight percentage, through melt blending, extruding pelletization, forms antistatic synthetic plastics.
Embodiment 4
Be the PPO of 30% by weight percentage, weight percentage is the PA66 of 30%, the high-strength polyethylene of 1%, and weight percentage is the compatilizer of 7%, and weight percentage is 7% toughner mixing, stirs; Add the carbon black that weight percentage is 9% again, weight percentage be 1% auxiliary agent stir, obtain mixture, this mixture being joined length-to-diameter ratio is in the twin screw extruder of 25-40, be that the carbon fiber of 10% and the glass fibre of 5% join in forcing machine by weight percentage, through melt blending, extruding pelletization, forms antistatic synthetic plastics.
Embodiment 5
Be the PPO of 30% by weight percentage, weight percentage is the PA66 of 30%, the high-strength polyethylene of 3%, and weight percentage is the compatilizer of 6%, and weight percentage is 6% toughner mixing, stirs; Add the carbon black that weight percentage is 9% again, weight percentage be 1% auxiliary agent stir, obtain mixture, this mixture being joined length-to-diameter ratio is in the twin screw extruder of 25-40, be that the carbon fiber of 10% and the glass fibre of 5% join in forcing machine by weight percentage, through melt blending, extruding pelletization, forms antistatic synthetic plastics.
Claims (5)
1. an anti-static plastic, it is characterized in that: percentage composition comprises following component by weight: the polyphenylene oxide of 25-30%, the nylon66 fiber of 25-30%, the high-strength polyethylene of 1-3%, the carbon fiber of 10-15%%, the glass fibre of 5-10%, the carbon black of 8-12%, the compatilizer of 5-10%, the toughner of 5-10%, the auxiliary agent of 0.5-1.5%.
2. anti-static plastic according to claim 1, is characterized in that: described auxiliary agent includes oxidation inhibitor, lubricant and thermo-stabilizer; Described oxidation inhibitor: lubricant: thermo-stabilizer weight ratio is 1: 2: 2.
3. anti-static plastic according to claim 1, it is characterized in that: compatilizer is selected from the PPO-g-MAH that percentage of grafting is 0.8-1.5%, polyphenylene oxide grafted maleic anhydride, by adding compatilizer, enhance the interface compatibility of PPO and PA66, interface between carbon fiber, carbon black, PPO and PA66 is mixed more, realizes the Homogeneous phase mixing of each component in PPO/PA66 synthetic plastics.
4. anti-static plastic according to claim 1, is characterized in that: toughner is selected from the SEBS-g-MAH that percentage of grafting is 0.8-1.5%, SEBS grafted maleic anhydride, improves toughness and over-all properties by doping plasticizing agent in synthetic plastics.
5. the preparation method of anti-static plastic according to claim 1, is characterized in that: comprise the following steps:
First, following component will be comprised by percentage composition by weight: the polyphenylene oxide of 25-30%, the nylon66 fiber of 25-30%, the high-strength polyethylene of 1-3%, the carbon black of 8-12%, the compatilizer of 5-10%, the toughner of 5-10%, the auxiliary agent mixing of 0.5-1.5%, obtained mixture;
Secondly, this mixture is gone out process by the screw extrusion press skill that length-to-diameter ratio is 25-40 under temperature 230-250 DEG C of condition, obtains synthetic plastics, extrude in treatment step at this, add the carbon fiber that weight percentage is 10-15%, the glass fibre of 5-10%.
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Cited By (3)
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CN105968802A (en) * | 2016-06-01 | 2016-09-28 | 烟台恒大聚合体有限公司 | Self-lubricating high-abrasion-resistance nylon 66 composite material for truck connecting rod sleeve and preparation method of material |
CN106280430A (en) * | 2016-08-25 | 2017-01-04 | 深圳市高科塑化有限公司 | A kind of food stage hydrolysis PA66/PPO composite and preparation method thereof |
CN108822530A (en) * | 2018-06-20 | 2018-11-16 | 罗国球 | A kind of antistatic engineering plastic materials and preparation method thereof |
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CN102863776A (en) * | 2012-09-05 | 2013-01-09 | 忻峰 | Polyphenylene oxide/polyamide 66 (PPO/PA66) synthetic plastic |
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CN105968802A (en) * | 2016-06-01 | 2016-09-28 | 烟台恒大聚合体有限公司 | Self-lubricating high-abrasion-resistance nylon 66 composite material for truck connecting rod sleeve and preparation method of material |
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CN108822530A (en) * | 2018-06-20 | 2018-11-16 | 罗国球 | A kind of antistatic engineering plastic materials and preparation method thereof |
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Application publication date: 20160203 |