CN104327481A - Synthetic plastic preparation method - Google Patents
Synthetic plastic preparation method Download PDFInfo
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- CN104327481A CN104327481A CN201410543488.2A CN201410543488A CN104327481A CN 104327481 A CN104327481 A CN 104327481A CN 201410543488 A CN201410543488 A CN 201410543488A CN 104327481 A CN104327481 A CN 104327481A
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- synthetic plastics
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Abstract
The invention relates to a synthetic plastic preparation method which comprises the following components by weight: 25-35% of polyphenylene ether, 25-35% of nylon 66, 3-5% of UHMWPE (ultrahigh molecular weight polyethylene), 15-25% of carbon fiber, 8-12% of carbon black, 5-10% of a compatibilizer, 5-10% of a toughener, and 0.5-1.5% of an assistant.
Description
Technical field
The invention belongs to polymeric material field, refer to a kind of synthetic plastics 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.UHMWPE (ultrahigh molecular weight polyethylene(UHMWPE)) is a kind of thermoplastic engineering plastic with Good All-around Property of linear structure.
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 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 synthetic plastics preparation method, comprises the following steps:
First, following component will be comprised by percentage composition by weight: the polyphenylene oxide of 25-35%, the nylon66 fiber of 25-35%, the carbon black of the UHMWPE of 3-5%, 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 extruded process with the screw extrusion press 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 15-25%.
Described auxiliary agent includes oxidation inhibitor, lubricant and thermo-stabilizer; Described oxidation inhibitor: lubricant: the weight percent of thermo-stabilizer is 1: 2: 2.
The invention has the beneficial effects as follows:
By doping carbon fiber and carbon black, the intensity of synthetic plastics is improved, synthetic materials antistatic property significantly promotes simultaneously.
Embodiment
The content of the technical program is described in detail below by way of specific embodiment.
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, by doping PPO/PA66 and the synthetic plastics adding UHMWPE, 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.
In all compositions of the application, be not particularly illustrated, the equal weight percentage of consumption is calculated.
Embodiment 1
By the PPO of 25%, the PA66 of 35%, the UHMWPE of 3%, the compatilizer of 6%, the toughner mixing of 5%, stirs; Add the carbon black of 8% again, the auxiliary agent of 1% stirs, and obtains mixture, and this mixture being joined length-to-diameter ratio is in the twin screw extruder of 25-40, joins in forcing machine by the carbon fiber of 17%, and through melt blending, extruding pelletization, forms synthetic plastics.
Embodiment 2
By the PPO of 35%, the PA66 of 25%, the UHMWPE of 5%, the compatilizer of 6%, the toughner mixing of 5%, stirs; Add the carbon black of 8% again, the auxiliary agent of 1% stirs, and obtains mixture, and this mixture being joined length-to-diameter ratio is in the twin screw extruder of 25-40, joins in forcing machine by the carbon fiber of 15%, and through melt blending, extruding pelletization, forms synthetic plastics.
Embodiment 3
By the PPO of 30%, the PA66 of 30%, the UHMWPE of 4%, the compatilizer of 6%, 5% toughner mixing, stirs; Add the carbon black of 9% again, the auxiliary agent of 1% stirs, and obtains mixture, and this mixture being joined length-to-diameter ratio is in the twin screw extruder of 25-40, joins in forcing machine by the carbon fiber of 15%, and through melt blending, extruding pelletization, forms synthetic plastics.
Claims (2)
1. a synthetic plastics preparation method, is characterized in that: comprise the following steps:
First, following component will be comprised by percentage composition by weight: the polyphenylene oxide of 25-35%, the nylon66 fiber of 25-35%, the carbon black of the UHMWPE of 3-5%, 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 extruded process with the screw extrusion press that length-to-diameter ratio is 25-40 under temperature 230-250 DEG C of condition, obtains PPO/PA66 synthetic plastics, extrude in treatment step at this, add the carbon fiber that weight percentage is 15-25%.
2. synthetic plastics preparation method according to claim 1, is characterized in that: described auxiliary agent includes oxidation inhibitor, lubricant and thermo-stabilizer; Described oxidation inhibitor: lubricant: the weight percent of thermo-stabilizer is 1: 2: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410543488.2A CN104327481A (en) | 2014-10-14 | 2014-10-14 | Synthetic plastic preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410543488.2A CN104327481A (en) | 2014-10-14 | 2014-10-14 | Synthetic plastic preparation method |
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| CN104327481A true CN104327481A (en) | 2015-02-04 |
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| CN201410543488.2A Pending CN104327481A (en) | 2014-10-14 | 2014-10-14 | Synthetic plastic preparation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104277447A (en) * | 2014-10-14 | 2015-01-14 | 杨雯雯 | Synthetic plastic and preparation method thereof |
| CN105295351A (en) * | 2015-11-03 | 2016-02-03 | 虞惠财 | Antistatic high-strength plastic |
| CN105295352A (en) * | 2015-11-03 | 2016-02-03 | 虞惠财 | High-strength synthetic plastic |
| CN106488956A (en) * | 2015-03-10 | 2017-03-08 | 株式会社Lg化学 | Modified poly- (arylene ether) resin combination and the mechanograph prepared by poly- (arylene ether) resin combination of the modification |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311633A (en) * | 2011-04-29 | 2012-01-11 | 深圳市科聚新材料有限公司 | PPO/PA66 (poly phenylene oxide/polyamide 66) alloy material as well as preparation method and application thereof |
| CN103073874A (en) * | 2012-09-05 | 2013-05-01 | 陈敏 | PPO/PA66 synthetic plastic and preparation method thereof |
| CN103382301A (en) * | 2013-07-03 | 2013-11-06 | 苏州市沃特新材料科技有限公司 | Polyphenyl ether alloy material and preparation method thereof |
-
2014
- 2014-10-14 CN CN201410543488.2A patent/CN104327481A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311633A (en) * | 2011-04-29 | 2012-01-11 | 深圳市科聚新材料有限公司 | PPO/PA66 (poly phenylene oxide/polyamide 66) alloy material as well as preparation method and application thereof |
| CN103073874A (en) * | 2012-09-05 | 2013-05-01 | 陈敏 | PPO/PA66 synthetic plastic and preparation method thereof |
| CN103382301A (en) * | 2013-07-03 | 2013-11-06 | 苏州市沃特新材料科技有限公司 | Polyphenyl ether alloy material and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104277447A (en) * | 2014-10-14 | 2015-01-14 | 杨雯雯 | Synthetic plastic and preparation method thereof |
| CN106488956A (en) * | 2015-03-10 | 2017-03-08 | 株式会社Lg化学 | Modified poly- (arylene ether) resin combination and the mechanograph prepared by poly- (arylene ether) resin combination of the modification |
| US10329423B2 (en) | 2015-03-10 | 2019-06-25 | Lg Chem, Ltd. | Modified poly(arylene ether) resin composition and molded article produced thereof |
| CN106488956B (en) * | 2015-03-10 | 2019-11-12 | 株式会社Lg化学 | Modified poly- (arylene ether) resin combination and the mechanograph prepared by poly- (arylene ether) resin combination of the modification |
| CN105295351A (en) * | 2015-11-03 | 2016-02-03 | 虞惠财 | Antistatic high-strength plastic |
| CN105295352A (en) * | 2015-11-03 | 2016-02-03 | 虞惠财 | High-strength synthetic plastic |
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Application publication date: 20150204 |
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