CN102417726B - 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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- CN102417726B CN102417726B CN201110377027.9A CN201110377027A CN102417726B CN 102417726 B CN102417726 B CN 102417726B CN 201110377027 A CN201110377027 A CN 201110377027A CN 102417726 B CN102417726 B CN 102417726B
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- poe
- antistatic
- percent
- permanent antistatic
- alloy
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Classifications
-
- 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
-
- 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
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 having good comprehensive mechanical property, higher thermotolerance, and wear-resisting, self lubricity preferably, good flame retardant resistance, good chemical resistance, the good performances such as barrier become current purposes engineering plastics the most widely.It is nontoxic, tasteless that POE has, and density is little, cheap, has the excellent properties such as ageing-resistant, resistance to ozone, resistant to chemical media.POE can be used as the impact modifier of engineering plastics, in the mechanical component that are manufactured with shock resistance requirement, and the products such as corrosion-resistant part and automobile, electrical component.POE joins in PA66 can improve its water absorbability effectively, improves the stability of goods, and meanwhile, POE has very significantly toughening effect to PA66, can produce super-toughened nylon 66.PA66/POE alloy has had the characteristic of PA66, POE concurrently simultaneously, and material cost is lower than PA66 simultaneously, and this material is widely used.But PA66/POE alloy is the same with most of macromolecular materials, all have good electrical insulating property, its surface resistivity is generally 10
13-10
15Ω .m, electroconductibility is much smaller than metallic substance.Easy static electricity gathered lotus after PA66/POE alloy contacts with other materials or rubs.The negative interaction that accumulation of static electricity brings 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 PA66/POE alloy product also will there is anti-static function when thering is the performances such as higher mechanical property, wear resistance, flame retardant resistance, surface resistivity will arrive 10
9-10
11Ω .m, even will arrive 10
7-10
8Ω .m, and require permanent anti-static, to meet specific service requirements.
Summary of the invention
Object of the present invention is exactly the service requirementss to material of some specific work environments in order to meet weaving, coal mining and electronic enterprises, and a kind of permanent antistatic PA 6 6/POE alloy and preparation method are provided.
Object of the present invention can be achieved through the following technical solutions:
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%.
Described 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%, containing the macromolecular material 70-95% of polyether block.
Described an alkali metal salt is M
+x
-, M wherein
+for Li
+, Na
+, K
+; X
-for 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, the zinc stearate compound of 2: 1: 1 by weight;
The described static inhibitor that helps is silicon-dioxide;
The described macromolecular material containing polyether block is polyoxyethylene, the polyethylene glycol methacrylic acid interpolymer compound of 5: 1 by weight; Between the preferred 6-16 ten thousand of 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.
Described permanent anti-static agglomerate preparation method is as follows, gets by weight percentage raw material, puts into high-speed mixer and mixing 2-5 minute, and then discharging uses twin screw extruder extruding pelletization, and processing temperature is at 150-200 ℃, and 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 as follows, gets by weight percentage raw material, put into high-speed mixer and mixing 2-5 minute, discharging, then uses twin screw extruder extruding pelletization, processing temperature is at 210-225 ℃, and screw rod revolution is at 35-40HZ.
It is lasting that the antistatic master granule that the present invention adopts has antistatic effect, the advantages such as addition is little but antistatic effect good, little to PA66 performance impact, of light color, cost is low, good heat resistance, and also and much resin compatible is better.The surface resistivity of this master batch itself is: 10
2-10
3Ω .m.Oxidation inhibitor and thermo-stabilizer can improve this master batch in the character such as anti-aging and heat-resisting degraded of the course of processing and use procedure.Help the surfactivity that can improve resin that adds of static inhibitor, 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 that comprehensive mechanical property is higher, approach pure PA66/POE, the shades of colour that is made into of light color, the advantages such as cost is low, 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 matrix material as compatilizer, 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 developing can reach 10
2-10
3Ω .m. can be widely used in modified Pa 6 6/POE alloy; Compared with prior art, have antistatic effect lasting, addition is little but antistatic effect good, the advantages such as, cost low, good heat resistance little, of light color on PA66/POE alloy property impact, and and a lot of resin compatibles better.
2, the permanent antistatic PA 6 6/POE alloy of developing compared with prior art, there is the effect that antistatic effect is lasting, reach permanent anti-static, antistatic effect is good, the performance that comprehensive mechanical property is higher, approach pure PA66/POE alloy, the shades of colour that is made into of light color, the advantage such as cost is low, 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 the parts of some specific work environments of weaving, coal mining and electronic enterprises.
Embodiment
Below embodiments of the invention are elaborated, the present embodiment be take technical solution of the present invention as prerequisite, 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 preparation method's embodiment in the present invention:
Embodiment 1-5
The permanent anti-static master batch formula for raw stock of embodiment 1-5 is as follows:
In above-described embodiment 1-5, described 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%, containing the macromolecular material 70-95% of polyether block.
In above-described embodiment 1-5, described an alkali metal salt is M
+x
-, M wherein
+for Li
+, Na
+, K
+; X
-for Cl
-, Br
-, I
-, CLO
4 -.Preferred LiCLO
4.
In above-described embodiment 1-5, described oxidation inhibitor is thiodiphenylamine and 1: 1 compound of phosphorous acid ester (s9228) weight ratio;
In above-described embodiment 1-5, described thermo-stabilizer is organo-tin het stabilizer, calcium stearate, the zinc stearate compound of 2: 1: 1 by weight;
In above-described embodiment 1-5, the described static inhibitor that helps is silicon-dioxide;
In above-described embodiment 1-5, the described macromolecular material containing polyether block is polyoxyethylene, the polyethylene glycol methacrylic acid interpolymer compound of 5: 1 by weight; Between the preferred 6-16 ten thousand of molecular weight of two kinds of polymkeric substance.
Said components is put into high-speed mixer and mixing 2-5 minute in proportion, and discharging, then uses screw extrusion press extruding pelletization, and processing temperature is at 150-200 ℃, and screw rod revolution is at 25-35HZ.
The sample making according to embodiment 1-5, carries out surface resistivity test comparison.
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 formula and technique can reach 10
6-10
8Ω .m. can be widely used in modified Pa 6 6/POE alloy; Compared with prior art, there is antistatic effect lasting, the advantages such as addition is little but antistatic effect good,, cost low, good heat resistance little, of light color on PA66/POE alloy property impact, and and a lot of resin compatibles better.
Embodiment 5 surface resistivities are minimum, cost performance is the highest.
The antistatic master granule that Application Example 5 formula, process system are produced is for antistatic PA 6 6/POE alloy below.
2, a kind of permanent antistatic PA 6 6/POE alloy and preparation method's embodiment in the present invention:
Embodiment 1-5
The antistatic master granule that adopts above-described embodiment to obtain, the formula for raw stock of permanent antistatic PA 6 6/POE alloy embodiment 1-5 is as follows:
In above-described embodiment 1-5, described PA66 limiting viscosity is 2.8dL/g, and the melting index of POE is 0.5-2.5g/cm3.
In above-described embodiment 1-5, described compatilizer is the mixture of maleic anhydride graft polyoxyethylene and maleic anhydride graft POE, and proportioning is 1: 1.
Said components is put into high-speed mixer and mixing 2-5 minute in proportion, and discharging, then uses screw extrusion press extruding pelletization, and processing temperature is at 210-225 ℃, and screw rod revolution is at 35-40HZ.
The sample making according to embodiment 1-5, carries out performance test contrast, adopts ASTM standard.
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 formula and technique compared with prior art, there is the effect that antistatic effect is lasting, reach permanent anti-static, antistatic effect is good, the performance that comprehensive mechanical property is higher, approach pure PA66/POE alloy, the shades of colour that is made into of light color, the advantages such as cost is low, 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 the parts of some specific work environments of weaving, coal mining and electronic enterprises
Embodiment 6
The preparation method of permanent antistatic PA 6 6/POE alloy:
Take by weight ratio raw material: described antistatic master granule 2% above, PA6672%, POE 22%, compatilizer 4%, take by weight ratio raw material and put into high-speed mixer and mixing 2-5 minute, discharging, then uses twin screw extruder extruding pelletization, processing temperature is at 210-225 ℃, and 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 weight ratio raw material: described antistatic master granule 7% above, PA66%, POE 22%, compatilizer 5%, takes by weight ratio raw material and puts into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 210-225 ℃, and 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 by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.Those skilled in the art, read after foregoing, for multiple modification of the present invention with to substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (7)
1. a permanent antistatic PA 6 6/POE alloy, is characterized in that, this material comprises following component and weight percentage: antistatic master granule 3-8%, and PA6640-75%, POE15-25%, compatilizer 1-5%,
Described antistatic master granule comprises that component and weight percentage are: an alkali metal salt 1-15%, and oxidation inhibitor 0.1-2%, thermo-stabilizer 0.1-2%, helps static inhibitor 0-10%, and containing the macromolecular material 70-95% of polyether block, all components percentage composition equals 100%,
The described static inhibitor that helps is silicon-dioxide,
Described PA66 limiting viscosity is 2.5dL/g, and the melting index of POE is 0.5-2.5g/cm
3.
2. a kind of permanent antistatic PA 6 6/POE alloy according to claim 1, is characterized in that, described an alkali metal salt is M
+x
-, M wherein
+for Li
+, Na
+, K
+; X
-for Cl
-, Br
-, I
-, ClO
4 -.
3. a kind of permanent antistatic PA 6 6/POE alloy according to claim 1, is characterized in that, described oxidation inhibitor is thiodiphenylamine and phosphorous acid ester weight ratio 1:1 compound.
4. a kind of permanent antistatic PA 6 6/POE alloy according to claim 1, is characterized in that, described thermo-stabilizer is organo-tin het stabilizer, calcium stearate, the zinc stearate compound of 2:1:1 by weight.
5. a kind of permanent antistatic PA 6 6/POE alloy according to claim 1, is characterized in that, the described macromolecular material containing polyether block is polyoxyethylene, the polyethylene glycol methacrylic acid interpolymer compound of 5:1 by weight.
6. a kind of permanent antistatic PA 6 6/POE alloy according to claim 1, is characterized in that, described compatilizer is the mixture of maleic anhydride graft polyoxyethylene and maleic anhydride graft POE, and weight proportion is 1:1.
7. the preparation method of a permanent antistatic PA 6 6/POE alloy as claimed in claim 1, it is characterized in that: get by weight percentage raw material, put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 210-225 ℃, and 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 CN102417726A (en) | 2012-04-18 |
| CN102417726B true 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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| 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 |
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