CN103351610A - Preparation method of conductive nylon with high conductivity - Google Patents
Preparation method of conductive nylon with high conductivity Download PDFInfo
- Publication number
- CN103351610A CN103351610A CN2013102800191A CN201310280019A CN103351610A CN 103351610 A CN103351610 A CN 103351610A CN 2013102800191 A CN2013102800191 A CN 2013102800191A CN 201310280019 A CN201310280019 A CN 201310280019A CN 103351610 A CN103351610 A CN 103351610A
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- China
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- temperature
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- zone
- tynex
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B29C48/92—Measuring, controlling or regulating
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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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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a preparation method of a conductive nylon with high conductivity, which comprises the following steps: polyamide fiber is taken and is dried for 4 hours under the temperature of 90 DEG C, and then the polyamide fiber, germanium dioxide, tellurium dioxide, the interface coupling agent, flexibilizer and dispersive lubricating agents are stirred at the speed of 1100 r/min in a high-speed agitator for 5 minutes, and are released after being stirred uniformly; the material which is mixed uniformly is added into a twin-screw extruder with the draw ratio (L/D) of 40, the processing temperature of the twin-screw extruder is as follows: the temperature of zone I is 180 DEG C, the temperature of zone II is 185 DEG C, the temperature of zone III is 195 DEG C, the temperature of zone IV is 210 DEG C, the temperature of zone V is 215 DEG C, the temperature of zone VI is 225 DEG C, the temperature of zone VII is 235 DEG C, the temperature of zone VIII is 240 DEG C, and the rotation speed of a main engine is 320r/min; after the mixed material is sequenced, check rods are cooled, air drying and sized dicing are performed, so that the conductive nylon based composite is prepared. The conductivity of the nylon prepared by the method of the invention is greatly enhanced.
Description
Technical field
The present invention relates to the nylon field, specifically, the present invention relates to the preparation method of the electroconductive nylon of high conductivity.
Background technology
Tynex is commonly called as nylon, its purposes is very extensive, automotive industry is usually used in making automobile component such as dashboard, vehicle-body outer panel, inner trim panels, bearing circle, insulating board, door lock, collision bumper, vent-pipe etc., household electric appliances are usually used in making such as refrigerator, televisor, washing machine, vacuum cleaner, food mixer, the housing of telephone set etc., be usually used in making such as sanitary apparatus at architectural decoration, the swimming pool lining, tubing and pipe fitting etc. are in addition also for the manufacture of safety helmet, the motorcycle plate washer, heel, the snowfield sporting goods, toy, clock, casing of loudspeaker box, suitcase, button, daily necessities and the nameplates such as minaudiere, the advertising matters such as ornament.
Although tynex is widely used, because the characteristic of the molecular structure performance of tynex own, so that tynex is not enough aspect electroconductibility.
Summary of the invention
The object of the present invention is to provide the preparation method of the electroconductive nylon of high conductivity.
In order to realize purpose of the present invention, the invention provides the preparation method of the electroconductive nylon of high conductivity, it is lower dry 4 hours in 90 ℃ that the method comprises the following steps: to take by weighing tynex, then with germanium dioxide, tellurium dioxide, interface coupling agent, toughner and dispersed lubricant, in homogenizer, stirred 5 minutes with 1100 rev/mins, after evenly, emit; To add length-to-diameter ratio (L/D) be in 40 the twin screw extruder mixing equal materials of spoon, the processing temperature of twin screw extruder: 180 ℃ of district's temperature, two district's temperature are 185 ℃, three district's temperature are 195 ℃, and four district's temperature are 210 ℃, and five district's temperature are 215 ℃, six district's temperature are 225 ℃, seven district's temperature are 235 ℃, and eight district's temperature are 240 ℃, and engine speed is 320 to turn/min; Cool off check rod, air-dry pelletizing through after extruding, namely prepare conductive nylon based composites of the present invention.
Preferably, the consumption of various raw materials is as follows:
Tynex 40～70 weight parts;
Interface coupling agent 3～8 weight parts;
Toughner 3～10 weight parts;
Dispersed lubricant 0.5～1.0 weight part;
Germanium dioxide 5～10 weight parts;
Tellurium dioxide 10～15 weight parts.
Preferably, described interface coupling agent is γ-aminopropyl triethoxysilane (KH550), γ-glycidyl ether oxygen propyl trimethoxy silicane (KH560), γ-(methacryloxypropyl) propyl trimethoxy silicane (KH570), tynex grafting toxilic acid (tynex-g-MAH), styrene-maleic anhydride copolymer (SMA), Research of Grafting Malaic Anhydride Onto Polyethylene (LDPE-g-MAH), linear low density polyethylene grafted maleic anhydride (LLDPE-g-MAH), in the Racemic glycidol ether type epoxy one or more.
Preferably, described toughner is MBS (MBS), MBS, hydrogenated styrene/Butadiene/Styrene) in the segmented copolymer (SEBS) one or more.
Preferably, described dispersed lubricant is one or more in glyceryl monostearate, Tristearoylglycerol, ethylene bis stearamide, the bimonthly osmanthus of ethylene acid amides, the two amine hydroxybenzenes of ethylene, lower molecular weight ionomer, ethylene-acrylic acid copolymer, the ethylene-vinyl acetate copolymer.
Preferably, the consumption of various raw materials is as follows:
Tynex 60 weight parts;
γ-aminopropyl triethoxysilane 5 weight parts;
MBS 5 weight parts;
Glyceryl monostearate 0.8 weight part;
Germanium dioxide 8 weight parts;
Tellurium dioxide 13 weight parts.
The electroconductibility of the nylon that method of the present invention makes is greatly strengthened.
Embodiment
Below the invention will be further described for the description by embodiment, but this is not to be limitation of the present invention, those skilled in the art are according to basic thought of the present invention, can make various modifications or improvement, but only otherwise break away from basic thought of the present invention, all within the scope of the present invention.
Embodiment 1
Take by weighing 600 tynexs that restrain lower dry 4 hours in 90 ℃, then with germanium dioxide 80 grams, tellurium dioxide 130 grams, γ-aminopropyl triethoxysilane 50 grams, MBS 50 grams and glyceryl monostearate 8 grams, in homogenizer, stirred 5 minutes with 1100 rev/mins, after evenly, emit.To add length-to-diameter ratio (L/D) be in 40 the twin screw extruder mixing equal materials of spoon, the processing temperature of twin screw extruder: 180 ℃ of district's temperature, two district's temperature are 185 ℃, three district's temperature are 195 ℃, and four district's temperature are 210 ℃, and five district's temperature are 215 ℃, six district's temperature are 225 ℃, seven district's temperature are 235 ℃, and eight district's temperature are 240 ℃, and engine speed is 320 to turn/min; Cool off check rod, air-dry pelletizing through after extruding, namely prepare the electroconductive nylon of high conductivity of the present invention.
Embodiment 2
According to preparing the electroconductive nylon of high conductivity with embodiment 1 identical mode, difference is not use germanium dioxide.
Embodiment 3
According to preparing the electroconductive nylon of high conductivity with embodiment 1 identical mode, difference is not use tellurium dioxide.
Experimental example
Carry out test surfaces resistivity by the IEC60093 requirement, the result is as follows: the surface resistivity of the electroconductive nylon of the high conductivity of embodiment 1 (Ω) is 1.6 * 10
4, the surface resistivity of the electroconductive nylon of the high conductivity of embodiment 2 (Ω) is 3.9 * 10
6, the surface resistivity of the electroconductive nylon of the high conductivity of embodiment 3 (Ω) is 3.7 * 10
6Surface resistivity is larger, illustrates that electroconductibility is lower.This shows, add germanium dioxide and tellurium dioxide and produced unexpectedly synergy.
Claims (6)
1. the preparation method of the electroconductive nylon of high conductivity, it is lower dry 4 hours in 90 ℃ that the method comprises the following steps: to take by weighing tynex, then with germanium dioxide, tellurium dioxide, interface coupling agent, toughner and dispersed lubricant, in homogenizer, stirred 5 minutes with 1100 rev/mins, after evenly, emit; To add length-to-diameter ratio (L/D) be in 40 the twin screw extruder mixing equal materials of spoon, the processing temperature of twin screw extruder: 180 ℃ of district's temperature, two district's temperature are 185 ℃, three district's temperature are 195 ℃, and four district's temperature are 210 ℃, and five district's temperature are 215 ℃, six district's temperature are 225 ℃, seven district's temperature are 235 ℃, and eight district's temperature are 240 ℃, and engine speed is 320 to turn/min; Cool off check rod, air-dry pelletizing through after extruding, namely prepare conductive nylon based composites of the present invention.
2. method according to claim 1 is characterized in that, the consumption of various raw materials is as follows:
Tynex 40～70 weight parts;
Interface coupling agent 3～8 weight parts;
Toughner 3～10 weight parts;
Dispersed lubricant 0.5～1.0 weight part;
Germanium dioxide 5～10 weight parts;
Tellurium dioxide 10～15 weight parts.
3. method according to claim 1, it is characterized in that, described interface coupling agent is γ-aminopropyl triethoxysilane (KH550), γ-glycidyl ether oxygen propyl trimethoxy silicane (KH560), γ-(methacryloxypropyl) propyl trimethoxy silicane (KH570), tynex grafting toxilic acid (tynex-g-MAH), styrene-maleic anhydride copolymer (SMA), Research of Grafting Malaic Anhydride Onto Polyethylene (LDPE-g-MAH), linear low density polyethylene grafted maleic anhydride (LLDPE-g-MAH), in the Racemic glycidol ether type epoxy one or more.
4. method according to claim 1, it is characterized in that, described toughner is MBS (MBS), MBS, hydrogenated styrene/Butadiene/Styrene) in the segmented copolymer (SEBS) one or more.
5. method according to claim 1, it is characterized in that, described dispersed lubricant is one or more in glyceryl monostearate, Tristearoylglycerol, ethylene bis stearamide, the bimonthly osmanthus of ethylene acid amides, the two amine hydroxybenzenes of ethylene, lower molecular weight ionomer, ethylene-acrylic acid copolymer, the ethylene-vinyl acetate copolymer.
6. each described method in 5 according to claim 2 is characterized in that, the consumption of various raw materials is as follows:
Tynex 60 weight parts;
γ-aminopropyl triethoxysilane 5 weight parts;
MBS 5 weight parts;
Glyceryl monostearate 0.8 weight part;
Germanium dioxide 8 weight parts;
Tellurium dioxide 13 weight parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310280019.1A CN103351610B (en) | 2013-07-03 | 2013-07-03 | Preparation method of conductive nylon with high conductivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310280019.1A CN103351610B (en) | 2013-07-03 | 2013-07-03 | Preparation method of conductive nylon with high conductivity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103351610A true CN103351610A (en) | 2013-10-16 |
| CN103351610B CN103351610B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310280019.1A Active CN103351610B (en) | 2013-07-03 | 2013-07-03 | Preparation method of conductive nylon with high conductivity |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385155A (en) * | 2015-12-31 | 2016-03-09 | 祥兴(福建)箱包集团有限公司 | Nylon plastic bearing retainer for draw-bar box and preparation method of nylon plastic bearing retainer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002080737A (en) * | 2000-09-08 | 2002-03-19 | Yuka Denshi Co Ltd | Conductive thermoplastic resin composition and molded article of conductive resin |
| CN101605844A (en) * | 2006-08-18 | 2009-12-16 | 圣戈本陶瓷及塑料股份有限公司 | Highly-filled thermoplastic composite |
| CN103073886A (en) * | 2012-12-25 | 2013-05-01 | 安徽科聚新材料有限公司 | Nylon 66 composite material, preparation method thereof and electronic device |
-
2013
- 2013-07-03 CN CN201310280019.1A patent/CN103351610B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002080737A (en) * | 2000-09-08 | 2002-03-19 | Yuka Denshi Co Ltd | Conductive thermoplastic resin composition and molded article of conductive resin |
| CN101605844A (en) * | 2006-08-18 | 2009-12-16 | 圣戈本陶瓷及塑料股份有限公司 | Highly-filled thermoplastic composite |
| CN103073886A (en) * | 2012-12-25 | 2013-05-01 | 安徽科聚新材料有限公司 | Nylon 66 composite material, preparation method thereof and electronic device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385155A (en) * | 2015-12-31 | 2016-03-09 | 祥兴(福建)箱包集团有限公司 | Nylon plastic bearing retainer for draw-bar box and preparation method of nylon plastic bearing retainer |
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| Publication number | Publication date |
|---|---|
| CN103351610B (en) | 2015-05-27 |
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