CN102134365A - Permanently antistatic thermoplastic elastomer material - Google Patents
Permanently antistatic thermoplastic elastomer material Download PDFInfo
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- CN102134365A CN102134365A CN 201110112102 CN201110112102A CN102134365A CN 102134365 A CN102134365 A CN 102134365A CN 201110112102 CN201110112102 CN 201110112102 CN 201110112102 A CN201110112102 A CN 201110112102A CN 102134365 A CN102134365 A CN 102134365A
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- elastic material
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Abstract
The invention discloses a permanently antistatic thermoplastic elastomer material, which consists of styrene elastomer, extending oil, a polyolefine resin, an ionic polymer antistatic agent, a compatilizer, a wearproof additive, an inorganic filler, a lubricating agent and an antioxygen. The material of the invention has permanent antistatic behaviour, water washing resistance, wear resistance and high-temperature resistance and low price and high workability, and the volume resistivity of the material can be reduced to 108 ohm.com.
Description
Technical field
The present invention relates to a kind of thermoplastic elastic material.
Background technology
Thermoplastic elastomer (Thermoplastic Elastomer) is to come out in recent years and the fast-developing a kind of novel energy-conserving that gets up, the macromolecular material of environmental protection.It not only has the elasticity, winter hardiness etc. of vulcanized rubber, but also has the workability of plastics, at high temperature can fusion, be suitable for the course of processing and the mould molding of common plastics, and processing is simple, and shaping cycle is short, production efficiency is high.
Have higher insulativity but thermoplastic elastic material and most of rubber, plastics are the same, surface resistivity is generally 10
15More than Ω/sq, in use can produce a large amount of static, static discharge can damage or destroy responsive electronic component, can eliminate or change magnetic medium, also can set off an explosion and fire in inflammable environment.In every year, only estimate just up to 40,000,000,000 yuan on U.S. dollar at the damage of electrostatic discharge of electronic industry.Therefore antistatic material has not replaceable effect in some fields.
What the antistatic material major part that provides was in the market added is the small molecules static inhibitor, this class material is to move to material surface formation hydrophilic layer by small molecules to produce antistatic effect, this material antistatic effect time is short, water-fast washing not, and very big relation is arranged with the humidity of environment for use, when airborne humidity is very low, can have a strong impact on its static resistance.In order to make material have the permanent anti-static effect, the researchist begins to adopt polymer type antistatic agent, because polymericular weight is bigger, can not move, so its static resistance has permanently, and can not change with the variation of ambient moisture.
The research of solid polymer electrolyte (SPEs) starts from the seventies in 20th century, 1973, W right etc. has reported that polyoxyethylene (PEO) and an alkali metal salt are compound and has had an ionic conductivity, Armand in 1979 have confirmed the conclusion of W right, and propose and this system can be used for lithium cell, through the development of decades, the room temperature volume specific resistance of solid polymer electrolyte can be reduced to 10
5About Ω cm, in lithium cell, be widely used.But the solid polymer electrolyte system is less in the application in polymer anti static field, and the present invention is exactly that the good specific conductivity of utilizing the solid polymer electrolyte system to be had prepares the thermoplastic elastic material with permanent anti-static.
Summary of the invention
The object of the present invention is to provide the thermoplastic elastic material of the wash-resistant permanent anti-static of a kind of antistatic property.
Technical solution of the present invention is:
A kind of thermoplastic elastic material of permanent anti-static is characterized in that: said composition is prepared from by the component of following weight part:
Described styrenic elastomerics is styrene-butadiene-styrene block copolymer (SBS), styrene-ethylene/butylene-styrene block copolymer (SEBS), one or more mixtures in styrene-ethylene/propylene-styrene segmented copolymer (SEPS), the polystyrene-ethylene-vinyl/propylene-styrene segmented copolymer (SEEPS).
Extending oil is one or more mixtures in naphthenic oil, straight-chain paraffin oil, the fragrant hydrocarbon ils.
The Ionomer static inhibitor is made up of A, B two components; Wherein the A component is the agent of polyethers polymer anti static, as in polyoxyethylene (PEO), PEP-101 (EO-PO), the epoxy ethane-epoxy propane-Racemic glycidol ether copolymer (EO-PO-AGE) one or more.
Polyolefin resin is one or more the mixture in isotatic polypropylene, high density polyethylene(HDPE), linear low density polyethylene, new LDPE (film grade), metallocene PE, metallocene polypropylene, ethylene-propylene copolymer, ethylene-butene copolymer, ethylene-octene copolymer, the polystyrene.
Compatilizer is one or more blends in maleic anhydride grafted polyethylene (PE-g-MAH), maleic anhydride inoculated polypropylene (PP-g-MAH), maleic anhydride graft SEBS (SEBS-g-MAH), maleic anhydride graft polystyrene (PS-g-MAH), ethylene-acrylate-copolymer-maleic anhydride (EMH), the maleic anhydride grafted ethene-propylene copolymer.
Anti-wear additive is silicone master batch, molybdenumdisulphide or ptfe micropowder.
Mineral filler is one or more in lime carbonate, talcum powder, mica, kaolin, the barium sulfate.
The mineral filler particle diameter is 5 μ m～10 μ m.
Lubricant is one or more in amine hydroxybenzene, erucicamide, stearic acid, butyl stearate, ethylene bis stearamide, polyethylene wax, the silicone oil; Oxidation inhibitor is one or more in Hinered phenols, hindered amines, the phosphite ester kind antioxidant.
Material of the present invention has permanent antistatic, water-fastly washes, wear-resisting, high temperature resistant, price is low, processing easily, volume specific resistance can drop to 10
8Ω cm.
The invention will be further described below in conjunction with embodiment.
Embodiment
At first styrenic elastomerics, extending oil are put into high mixer and stir 10min, after treating that elastomerics fully absorbs oil, add polyolefin resin, Ionomer static inhibitor, mineral filler, oxidation inhibitor, lubricant, anti-wear additive, compatilizer, high-speed stirring 5min again, rotating speed 180rad/min.Be at least 48: 1 single screw rod or twin screw extruder extruding pelletization then with length-to-diameter ratio, the processing temperature scope is 200 ℃.
The amounts of components of each embodiment sees Table 1.Performance data sees Table 2.
Embodiment
| Material name | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative Examples |
| SEBS | ?100 | ?100 | ?100 | ?100 | ?100 | ?100 | 100 |
| Paraffin oil | ?100 | ?110 | ?120 | ?130 | ?140 | ?150 | 150 |
| Polypropylene | ?60 | ?70 | ?0 | ?0 | ?30 | ?40 | 40 |
| Polyethylene | ?0 | ?0 | ?60 | ?70 | ?30 | ?40 | 40 |
| EO-PO | ?30 | ?50 | ?0 | ?0 | ?20 | ?30 | 0 |
| EO-PO-AGE | ?0 | ?0 | ?30 | ?50 | ?20 | ?30 | 0 |
| LiClO 4 | 5 | 10 | 0 | 0 | 5 | 0 | 0 |
| C 4F 9SO 3Li | 0 | 0 | 5 | 10 | 0 | 10 | 0 |
| PP-g-MAH | 20 | 30 | 10 | 20 | 0 | 20 | 20 |
| SEB?S-g-MAH | 0 | 0 | 10 | 10 | 30 | 20 | 20 |
| Lime carbonate | 50 | 55 | 65 | 50 | 55 | 60 | 65 |
| Silicone master batch | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Antioxidant 1010 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Oxidation inhibitor 168 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Amine hydroxybenzene | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Performance data
Surface resistivity and volume specific resistance test voltage are 500V, and the time is 1min, according to the ASTMD257-2007 canonical measure.The washing experimental technique is test materials to be immersed in the water with cotton clean back drying under reduced pressure (130Pa, 70 ℃, 2 hours), is 23 ℃ with sample in temperature again, and humidity is that 50% environment is placed after 24 hours down and measured with megger.
The also available following method preparation of the foregoing description: be divided into for two steps, the first step is used the forcing machine extruding pelletization after earlier styrenic elastomerics, extending oil, polyolefin resin, mineral filler, oxidation inhibitor, anti-wear additive being stirred.Extruding pelletization again after second step mixed with ready-made particle of the first step and Ionomer static inhibitor.The processing temperature scope is 200 ℃～220 ℃.
Each component can adopt:
The styrenic elastomerics is styrene-butadiene-styrene block copolymer (SBS), styrene-ethylene/butylene-styrene block copolymer (SEBS), one or more mixtures in styrene-ethylene/propylene-styrene segmented copolymer (SEPS), the polystyrene-ethylene-vinyl/propylene-styrene segmented copolymer (SEEPS).
Extending oil is one or more mixtures in naphthenic oil, straight-chain paraffin oil, the fragrant hydrocarbon ils.
The Ionomer static inhibitor is made up of A, B two components; Wherein the A component is the agent of polyethers polymer anti static, as in polyoxyethylene (PEO), PEP-101 (EO-PO), the epoxy ethane-epoxy propane-Racemic glycidol ether copolymer (EO-PO-AGE) one or more.
Polyolefin resin is one or more the mixture in isotatic polypropylene, high density polyethylene(HDPE), linear low density polyethylene, new LDPE (film grade), metallocene PE, metallocene polypropylene, ethylene-propylene copolymer, ethylene-butene copolymer, ethylene-octene copolymer, the polystyrene.
Compatilizer is one or more blends in maleic anhydride grafted polyethylene (PE-g-MAH), maleic anhydride inoculated polypropylene (PP-g-MAH), maleic anhydride graft SEBS (SEBS-g-MAH), maleic anhydride graft polystyrene (PS-g-MAH), ethylene-acrylate-copolymer-maleic anhydride (EMH), the maleic anhydride grafted ethene-propylene copolymer.
Anti-wear additive is silicone master batch, molybdenumdisulphide or ptfe micropowder.
Mineral filler is one or more in lime carbonate, talcum powder, mica, kaolin, the barium sulfate.
The mineral filler particle diameter is 5 μ m～10 μ m.
Lubricant is one or more in amine hydroxybenzene, erucicamide, stearic acid, butyl stearate, ethylene bis stearamide, polyethylene wax, the silicone oil; Oxidation inhibitor is one or more in Hinered phenols, hindered amines, the phosphite ester kind antioxidant.
Each amounts of components is identical with embodiment 1～6, forms new embodiment.
Claims (10)
1. the thermoplastic elastic material of a permanent anti-static, it is characterized in that: said composition is prepared from by the component of following weight part:
60 ~ 120 parts on styrenic elastomerics
60 ~ 200 parts of extending oils
20 ~ 160 parts of polyolefin resines
10 ~ 80 parts in Ionomer static inhibitor
10 ~ 80 parts of compatilizers
10 ~ 60 parts of anti-wear additives
30 ~ 120 parts of mineral fillers
2 ~ 5 parts of lubricants
2 ~ 5 parts in oxidation inhibitor.
2. the thermoplastic elastic material of permanent anti-static according to claim 1, it is characterized in that: described styrenic elastomerics is styrene-butadiene-styrene block copolymer, styrene-ethylene/butylene-styrene block copolymer, one or more mixtures in styrene-ethylene/propylene-styrene segmented copolymer, the polystyrene-ethylene-vinyl/propylene-styrene segmented copolymer.
3. the thermoplastic elastic material of permanent anti-static according to claim 1 and 2, it is characterized in that: extending oil is one or more mixtures in naphthenic oil, straight-chain paraffin oil, the fragrant hydrocarbon ils.
4. the thermoplastic elastic material of permanent anti-static according to claim 1 and 2, it is characterized in that: the Ionomer static inhibitor is made up of A, B two components; Wherein the A component is one or more the mixture in polyethers polymer anti static agent polyoxyethylene, PEP-101, the epoxy ethane-epoxy propane-Racemic glycidol ether copolymer; The B component is an alkali metal salt LiBF
4, LiClO
4, LiPF
6, NaClO
4, KClO
4, CF
3SO
3Li, LiCl, C
4F
9SO
3Li, (CF
3SO
2)
3CLi, (CF
3CH
2OSO
2)
3Among CLi, the NaPF6 one or more.
5. the thermoplastic elastic material of permanent anti-static according to claim 1 and 2 is characterized in that: polyolefin resin is one or more the mixture in polypropylene, polyethylene, ethylene-propylene copolymer, ethylene-butene copolymer, ethylene-octene copolymer, the polystyrene.
6. the thermoplastic elastic material of permanent anti-static according to claim 1 and 2, it is characterized in that: compatilizer is one or more blends in maleic anhydride grafted polyethylene, maleic anhydride inoculated polypropylene, maleic anhydride graft SEBS, maleic anhydride graft polystyrene, ethylene-acrylate-copolymer-maleic anhydride, the maleic anhydride grafted ethene-propylene copolymer.
7. the thermoplastic elastic material of permanent anti-static according to claim 1 and 2, it is characterized in that: anti-wear additive is silicone master batch, molybdenumdisulphide or ptfe micropowder.
8. the thermoplastic elastic material of permanent anti-static according to claim 1 and 2, it is characterized in that: mineral filler is one or more in lime carbonate, talcum powder, mica, kaolin, the barium sulfate.
9. the thermoplastic elastic material of permanent anti-static according to claim 8, it is characterized in that: the mineral filler particle diameter is 5 μ m ~ 10 μ m.
10. the thermoplastic elastic material of permanent anti-static according to claim 1 and 2, it is characterized in that: lubricant is one or more in amine hydroxybenzene, erucicamide, stearic acid, butyl stearate, ethylene bis stearamide, polyethylene wax, the silicone oil; Oxidation inhibitor is one or more in Hinered phenols, hindered amines, the phosphite ester kind antioxidant.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101121029A CN102134365B (en) | 2011-04-29 | 2011-04-29 | Permanently antistatic thermoplastic elastomer material |
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|---|---|---|---|
| CN2011101121029A CN102134365B (en) | 2011-04-29 | 2011-04-29 | Permanently antistatic thermoplastic elastomer material |
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| CN102134365A true CN102134365A (en) | 2011-07-27 |
| CN102134365B CN102134365B (en) | 2012-11-21 |
Family
ID=44294305
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| US20090246432A1 (en) * | 2005-04-01 | 2009-10-01 | Guanghe Wang | Skidproof mat and manufacturing method thereof and skidproof mat assembly |
| CN102634191A (en) * | 2012-05-15 | 2012-08-15 | 金发科技股份有限公司 | Permanent antistatic nylon elastomer material and preparation method thereof |
| CN102634158A (en) * | 2012-04-27 | 2012-08-15 | 东莞市信诺橡塑工业有限公司 | Permanent antistatic polystyrene composite material and preparation method thereof |
| CN103113703A (en) * | 2013-01-30 | 2013-05-22 | 合肥美的荣事达电冰箱有限公司 | Master batch composition, compound board and preparation method of compound board, and refrigeration plant |
| CN103131118A (en) * | 2011-11-28 | 2013-06-05 | 上海日之升新技术发展有限公司 | Permanent anti-static electricity acrylonitrile butadiene styrene (ABS) composite material and preparation method thereof |
| CN103524911A (en) * | 2013-09-25 | 2014-01-22 | 吴江市天源塑胶有限公司 | Anti-static wear resisting plastic |
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|---|---|
| CN102134365B (en) | 2012-11-21 |
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