CN102417726A - Permanent antistatic PA66/POE (Polyamide 66/Polyolefin Elastomer) alloy and preparation method thereof - Google Patents
Permanent antistatic PA66/POE (Polyamide 66/Polyolefin Elastomer) alloy and preparation method thereof Download PDFInfo
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- CN102417726A CN102417726A CN2011103770279A CN201110377027A CN102417726A CN 102417726 A CN102417726 A CN 102417726A CN 2011103770279 A CN2011103770279 A CN 2011103770279A CN 201110377027 A CN201110377027 A CN 201110377027A CN 102417726 A CN102417726 A CN 102417726A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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Abstract
The invention discloses a permanent antistatic PA66/POE (Polyamide 66/Polyolefin Elastomer) alloy and a preparation method thereof. The alloy comprises the following components in percentage by weight: 3-8 percent of antistatic master batch, 40-75 percent of PA66, 15-25 percent of POE and 1-5 percent of compatilizer. The antistatic master batch comprises the following components in percentage by weight: 1-15 percent of alkali metal salt, 0.1-2 percent of antioxidant, 0.1-2 percent of heat stabilizer, 0-10 percent of assisting antistatic agent and 71-95 percent of polyether block-containing high polymer material. The preparation method comprises the following steps of: weighing raw materials according to the proportions, and mixing; discharging; and extruding and pelletizing. The permanent antistatic PA66/POE ally has the advantages of durable antistatic effect, permanent antistatic effect, good antistatic effect, high comprehensive mechanical property, performance which is approximate to that of a pure PA66/POE alloy, various colors, low cost, high heat resistance, and the like. The surface resistivity of the permanent antistatic PA66/POE alloy can be up to 106-108 ohm.m.
Description
Technical field
The present invention relates to a kind of permanent anti-static master batch and preparation method, relate in particular to a kind of permanent antistatic PA 6 6/POE alloy preparation method.
Background technology
Nylon 66 is owing to have better comprehensive mechanical property, higher thermotolerance, and wear-resisting preferably, self lubricity, excellent flame-retardant performance, good chemical resistance, good performances such as barrier become current purposes engineering plastics the most widely.It is nontoxic, tasteless that POE has, and density is little, and is cheap, has excellent properties such as ageing-resistant, anti-ozone, resistant to chemical media.POE can be used as the impact modifier of engineering plastics, is used in the mechanical component that are manufactured with the shock resistance requirement corrosion-resistant part and products such as automobile, electrical component.POE joins among the PA66 can improve its water absorbability effectively, improves the stability of goods, and simultaneously, POE has very significantly toughening effect to PA66, can produce super-toughened nylon 66.The PA66/POE alloy has had the characteristic of PA66, POE simultaneously concurrently, and material cost is lower than PA66 simultaneously, and this material is widely used.All have excellent electric insulating but the PA66/POE alloy is the same with most of macromolecular materials, its surface resistivity is generally 10
13-10
15Ω .m, electroconductibility is much smaller than metallic substance., the PA66/POE alloy is prone to the static electricity gathered lotus after contacting with other materials or rub.The negative interaction that accumulation of static electricity brought has had a strong impact on production, life, work, sometimes even can cause fire and blast.In some specific work environments of weaving, coal mining and electronic enterprises, require the PA66/POE alloy product when having performances such as higher mechanical property, wear resistance, flame retardant resistance, also will have anti-static function, promptly surface resistivity will arrive 10
9-10
11Ω .m, even to arrive 10
7-10
8Ω .m, and require permanent anti-static, to satisfy specific request for utilization.
Summary of the invention
The object of the invention is exactly for the request for utilization to material of some specific work environments of satisfying weaving, coal mining and electronic enterprises, and a kind of permanent antistatic PA 6 6/POE alloy and preparation method are provided.
The object of the invention can be realized through following technical scheme:
Permanent anti-quiet this material of PA66/POE alloy of the present invention comprises following component and weight percentage: antistatic master granule 3-8%, PA6640-75%, POE 15-25%, compatilizer 1-5%.
Said antistatic master granule comprises following component and weight percentage: an alkali metal salt 1-15%, and oxidation inhibitor 0.1-2%, thermo-stabilizer 0.1-2% helps static inhibitor 0-10%, contains the macromolecular material 70-95% of polyether block.
Described an alkali metal salt is M
+X
-, M wherein
+Be Li
+, Na
+, K
+X
-Be Cl
-, Br
-, I
-, CLO
4 -Preferred LiCLO
4
Described oxidation inhibitor is thiodiphenylamine and 1: 1 compound of phosphorous acid ester (s9228) weight ratio;
Described thermo-stabilizer is organo-tin het stabilizer, calcium stearate, zinc stearate by weight 2: 1: 1 compound;
The described static inhibitor that helps is a silicon-dioxide;
The described macromolecular material that contains polyether block is polyoxyethylene, polyethylene glycol methylacrylic acid interpolymer by weight 5: 1 compound; Between the preferred 6-16 ten thousand of the molecular weight of two kinds of polymkeric substance.
Described PA66 limiting viscosity is 2.8dL/g, and the melting index of POE is 0.5-2.5g/cm3.
Described compatilizer is the mixture of maleic anhydride graft polyoxyethylene and maleic anhydride graft POE, and weight proportion is 1: 1.
Said permanent anti-static agglomerate preparation method is following, gets raw material by weight percentage, puts into high-speed mixer and mixing 2-5 minute, and the twin screw extruder extruding pelletization is used in discharging then, and processing temperature is at 150-200 ℃, and the screw rod revolution is at 25-35HZ.
The preparation method of a kind of permanent antistatic PA 6 6/POE alloy of the present invention, method is following, gets raw material by weight percentage; Put into high-speed mixer and mixing 2-5 minute, the twin screw extruder extruding pelletization is used in discharging then; Processing temperature is at 210-225 ℃, and the screw rod revolution is at 35-40HZ.
The antistatic master granule that the present invention adopts has that antistatic effect is lasting, and addition is little but antistatic effect good, little to the PA66 performance impact, of light color, advantages such as cost is low, good heat resistance, and better with a lot of resin compatibles.The surface resistivity of this master batch itself is: 10
2-10
3Ω .m.Oxidation inhibitor and thermo-stabilizer can improve the character such as anti-aging and heat-resisting degraded of this master batch in the course of processing and use.Help the adding of static inhibitor can improve the surfactivity of resin, improve static resistance.
The permanent antistatic PA 6 6/POE alloy that the present invention obtains has the effect that antistatic effect is lasting, reach permanent anti-static; Antistatic effect is good, the performance of higher, the approaching pure PA66/POE of comprehensive mechanical property, the shades of colour that is made into of light color; Cost is low, advantages such as good heat resistance.The surface resistivity of this permanent antistatic PA 6 6/POE alloy can reach 10
6-10
8The mixture of Ω .m. maleic anhydride graft polyoxyethylene and maleic anhydride graft POE joins the consistency of obviously having improved antistatic master granule and PA66/POE alloy in the matrix material as compatilizer, has improved the over-all properties of material.
Compared with prior art, the invention has the beneficial effects as follows:
1, the permanent anti-static master batch surface resistivity of being developed can reach 10
2-10
3Ω .m. can be widely used in the modified Pa 6 6/POE alloy; Compared with prior art, it is lasting to have an antistatic effect, and addition is little but antistatic effect good, to little, of light color, the advantages such as cost is low, good heat resistance of PA66/POE alloy property influence, and also better with a lot of resin compatibles.
2; The permanent antistatic PA 6 6/POE alloy of being developed compared with prior art has the effect that antistatic effect is lasting, reach permanent anti-static, and antistatic effect is good; The performance of higher, the approaching pure PA66/POE alloy of comprehensive mechanical property; The shades of colour that is made into of light color, cost is low, advantages such as good heat resistance.The surface resistivity of this permanent antistatic PA 6 6/POE alloy can reach 10
6-10
8This material of Ω .m. is widely used in weaving, the parts of some specific work environments of coal mining and electronic enterprises.
Embodiment
Elaborate in the face of embodiments of the invention down, present embodiment is a prerequisite with technical scheme of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
1, the proportioning of permanent anti-static master batch and preparing method's embodiment among the present invention:
Embodiment 1-5
The permanent anti-static master batch formula for raw stock of embodiment 1-5 is following:
Among the foregoing description 1-5, said antistatic master granule comprises following component and weight percentage: an alkali metal salt 1-15%, and oxidation inhibitor 0.1-2%, thermo-stabilizer 0.1-2% helps static inhibitor 0-10%, contains the macromolecular material 70-95% of polyether block.
Among the foregoing description 1-5, described an alkali metal salt is M
+X
-, M wherein
+Be Li
+, Na
+, K
+X
-Be Cl
-, Br
-, I
-, CLO
4 -Preferred LiCLO
4
Among the foregoing description 1-5, described oxidation inhibitor is thiodiphenylamine and 1: 1 compound of phosphorous acid ester (s9228) weight ratio;
Among the foregoing description 1-5, described thermo-stabilizer is organo-tin het stabilizer, calcium stearate, zinc stearate by weight 2: 1: 1 compound;
Among the foregoing description 1-5, the described static inhibitor that helps is a silicon-dioxide;
Among the foregoing description 1-5, the described macromolecular material that contains polyether block is polyoxyethylene, polyethylene glycol methylacrylic acid interpolymer by weight 5: 1 compound; Between the preferred 6-16 ten thousand of the molecular weight of two kinds of polymkeric substance.
Said components was put into high-speed mixer and mixing 2-5 minute in proportion, and the screw extrusion press extruding pelletization is used in discharging then, and processing temperature is at 150-200 ℃, and the screw rod revolution is at 25-35HZ.
Sample according to embodiment 1-5 makes carries out the surface resistivity test comparison.
The test performance contrast is as shown in the table:
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Surface resistivity | ?10 6 | ?10 3 | ?10 2 | ?10 4 | ?10 2 |
The permanent anti-static master batch surface resistivity of developing according to above-mentioned prescription and technology can reach 10
6-10
8Ω .m. can be widely used in the modified Pa 6 6/POE alloy; Compared with prior art, it is lasting to have an antistatic effect, and addition is little but antistatic effect good, to little, of light color, the advantages such as cost is low, good heat resistance of PA66/POE alloy property influence, and better with a lot of resin compatibles.
Embodiment 5 surface resistivities are minimum, cost performance is the highest.
The antistatic master granule that application implementation example 5 prescriptions, process system are produced is used for following antistatic PA 6 6/POE alloy.
2, a kind of permanent antistatic PA 6 6/POE alloy and preparing method's embodiment among the present invention:
Embodiment 1-5
The antistatic master granule that adopts the foregoing description to obtain, the formula for raw stock of permanent antistatic PA 6 6/POE alloy embodiment 1-5 is following:
Among the foregoing description 1-5, described PA66 limiting viscosity is 2.8dL/g, and the melting index of POE is 0.5-2.5g/cm3.
Among the foregoing description 1-5, described compatilizer is the mixture of maleic anhydride graft polyoxyethylene and maleic anhydride graft POE, and proportioning is 1: 1.
Said components was put into high-speed mixer and mixing 2-5 minute in proportion, and the screw extrusion press extruding pelletization is used in discharging then, and processing temperature is at 210-225 ℃, and the screw rod revolution is at 35-40HZ.
According to the sample that embodiment 1-5 makes, carry out the performance test contrast, adopt the ASTM standard.
The test performance contrast is as shown in the table:
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Surface resistivity | ?10 10 | ?10 7 | ?10 6 | ?10 8 | 10 6 |
| Tensile strength/MPa | ?40 | ?38 | ?33 | ?30 | 39 |
| Notched Izod impact strength/kJm -2 | ?70 | ?75 | ?85 | ?68 | 89 |
The permanent antistatic PA 6 6/POE alloy of developing according to above-mentioned prescription and technology compared with prior art; Has the effect that antistatic effect is lasting, reach permanent anti-static; Antistatic effect is good, the performance of higher, the approaching pure PA66/POE alloy of comprehensive mechanical property, the shades of colour that is made into of light color; Cost is low, advantages such as good heat resistance.The surface resistivity of this permanent antistatic PA 6 6/POE alloy can reach 10
6-10
8Ω .m.This material is widely used in weaving, the parts of some specific work environments of coal mining and electronic enterprises
Embodiment 6
The preparation method of permanent antistatic PA 6 6/POE alloy:
Take by weighing raw material by weight ratio: top said antistatic master granule 2%, PA6672%, POE 22%; Compatilizer 4%; Take by weighing raw material by weight ratio and put into high-speed mixer and mixing 2-5 minute, the twin screw extruder extruding pelletization is used in discharging then; Processing temperature is at 210-225 ℃, and the screw rod revolution is at 40HZ.The surface resistivity of obtained material is 10
10Ω .m.
Embodiment 7
The preparation method of permanent antistatic PA 6 6/POE alloy:
Take by weighing raw material by weight ratio: top said antistatic master granule 7%, PA66%, POE 22%; Compatilizer 5% takes by weighing raw material by weight ratio and put into discharging high-speed mixer and mixing 2-5 minute; Use the twin screw extruder extruding pelletization then, processing temperature is at 210-225 ℃, and the screw rod revolution is at 40HZ.The surface resistivity of obtained material is 10
6Ω .m.
Although content of the present invention has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited appended claim.
Claims (10)
1. a permanent anti-quiet PA66/POE alloy is characterized in that this material comprises following component and weight percentage: antistatic master granule 3-8%, PA6640-75%, POE 15-25%, compatilizer 1-5%.
2. a kind of permanent anti-quiet PA66/POE alloy according to claim 1; It is characterized in that; Said antistatic master granule comprises that component and weight percentage are: an alkali metal salt 1-15%, oxidation inhibitor 0.1-2%, thermo-stabilizer 0.1-2%; Help static inhibitor 0-10%, contain the macromolecular material 70-95% of polyether block.
3. a kind of permanent anti-quiet PA66/POE alloy according to claim 2 is characterized in that described an alkali metal salt is M
+X
-, M wherein
+Be Li
+, Na
+, K
+X
-Be Cl
-, Br
-, I
-, CLO
4 -
4. a kind of permanent anti-quiet PA66/POE alloy according to claim 2 is characterized in that described oxidation inhibitor is thiodiphenylamine and 1: 1 compound of phosphorous acid ester weight ratio.
5. a kind of permanent anti-quiet PA66/POE alloy according to claim 2 is characterized in that, described thermo-stabilizer is organo-tin het stabilizer, calcium stearate, zinc stearate by weight 2: 1: 1 compound.
6. a kind of permanent anti-quiet PA66/POE alloy according to claim 2 is characterized in that the described static inhibitor that helps is a silicon-dioxide.
7. a kind of permanent anti-quiet PA66/POE alloy according to claim 2 is characterized in that, the described macromolecular material that contains polyether block is polyoxyethylene, polyethylene glycol methylacrylic acid interpolymer by weight 5: 1 compound.
8. according to each described a kind of permanent anti-quiet PA66/POE alloy of claim 1-7, it is characterized in that described PA66 limiting viscosity is 2.5dL/g, the melting index of POE is 0.5-2.5g/cm3.
9. according to each described a kind of permanent anti-quiet PA66/POE alloy of claim 1-7, it is characterized in that described compatilizer is the mixture of maleic anhydride graft polyoxyethylene and maleic anhydride graft POE, weight proportion is 1: 1.
10. preparation method like the described permanent anti-quiet PA66/POE alloy of claim 1-9; It is characterized in that: get raw material by weight percentage; Put into high-speed mixer and mixing 2-5 minute, the twin screw extruder extruding pelletization is used in discharging then; Processing temperature is at 210-225 ℃, and the screw rod revolution is at 35-40HZ.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110377027.9A CN102417726B (en) | 2011-11-23 | 2011-11-23 | Permanent antistatic PA66/POE (Polyamide 66/Polyolefin Elastomer) alloy and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110377027.9A CN102417726B (en) | 2011-11-23 | 2011-11-23 | Permanent antistatic PA66/POE (Polyamide 66/Polyolefin Elastomer) alloy and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102417726A true CN102417726A (en) | 2012-04-18 |
| CN102417726B CN102417726B (en) | 2014-03-05 |
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|---|---|---|---|
| CN201110377027.9A Expired - Fee Related CN102417726B (en) | 2011-11-23 | 2011-11-23 | Permanent antistatic PA66/POE (Polyamide 66/Polyolefin Elastomer) alloy and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106009658A (en) * | 2016-06-24 | 2016-10-12 | 宁波汇邦尼龙科技有限公司 | Low-temperature-resistant super-tough polyamide material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958891A (en) * | 2006-08-25 | 2007-05-09 | 广东新会美达锦纶股份有限公司 | Atnistatic neylon fiber and preparation method |
| CN101074316A (en) * | 2006-05-17 | 2007-11-21 | 张发饶 | Production of super-toughened fire-retardant composite modified nylon mother material |
| CN101864141A (en) * | 2010-06-13 | 2010-10-20 | 华东理工大学 | Modified ABS antistatic material and preparation method thereof |
| CN102061050A (en) * | 2010-12-02 | 2011-05-18 | 浙江三和塑料有限公司 | All-weather persistent antistatic master batch capable of being subjected to thermoplastic processing and antistatic composite material |
-
2011
- 2011-11-23 CN CN201110377027.9A patent/CN102417726B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074316A (en) * | 2006-05-17 | 2007-11-21 | 张发饶 | Production of super-toughened fire-retardant composite modified nylon mother material |
| CN1958891A (en) * | 2006-08-25 | 2007-05-09 | 广东新会美达锦纶股份有限公司 | Atnistatic neylon fiber and preparation method |
| CN101864141A (en) * | 2010-06-13 | 2010-10-20 | 华东理工大学 | Modified ABS antistatic material and preparation method thereof |
| CN102061050A (en) * | 2010-12-02 | 2011-05-18 | 浙江三和塑料有限公司 | All-weather persistent antistatic master batch capable of being subjected to thermoplastic processing and antistatic composite material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106009658A (en) * | 2016-06-24 | 2016-10-12 | 宁波汇邦尼龙科技有限公司 | Low-temperature-resistant super-tough polyamide material |
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|---|---|
| CN102417726B (en) | 2014-03-05 |
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