CN103333385A - PTC polymer conductive material used for copper wires and preparation method thereof - Google Patents
PTC polymer conductive material used for copper wires and preparation method thereof Download PDFInfo
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- CN103333385A CN103333385A CN2013102062101A CN201310206210A CN103333385A CN 103333385 A CN103333385 A CN 103333385A CN 2013102062101 A CN2013102062101 A CN 2013102062101A CN 201310206210 A CN201310206210 A CN 201310206210A CN 103333385 A CN103333385 A CN 103333385A
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Abstract
The invention discloses a PTC polymer conductive material used for cooper wires and a preparation method thereof. The material comprises following composition raw materials: high-density polyethylene, thermosetting phenol resin, boron trifluoride monoethylamin, light calcium powder, modified attapulgite, copper powder, promoter DTDM, promoter DM, hydroquinone, aluminium hydroxide and sodium lignosulfonate. The method adopts high-density polyethylene and thermosetting phenol resin as the main materials, which are cheap in price, and adds modified attapulgite, copper powder, and light calcium powder as the auxiliary materials to improve elasticity modulus of the PCT polymer conductive material and increase the maximum stress and the breaking point stress, therefore the stretch resistance performance of the PTC polymer material is improved, furthermore, the resistance of the material is stable, the temperature of the material is homogenous, so that the service life of the material is prolonged.
Description
Technical field
The present invention relates to the accompanying-heat cable field, be specifically related to a kind of copper conductor PTC macromolecule conducting material and preparation method thereof.
Background technology
Electric-heating belt is a kind of novel high-tech product, the PTC macromolecular material that is distributing and playing heat effect between two conductive core, its outside is made of polymer sheath, metallic shield net and polymer oversheath, and the PTC macromolecular material is used widely at the hyundai electronics electric field; During at present domestic electric-heating belt is produced because the restriction of processing conditions and envrionment conditions, make the tensile strength performance of product not high, crystallization behavior instability, the crystallization imperfection of while product, and the inner residual heat stress of PTC exothermic material, this all can make resistance instability, the gradient of temperature of PTC exothermic material inhomogeneous and shorten work-ing life of material.
Summary of the invention
The object of the present invention is to provide a kind of copper conductor PTC macromolecule conducting material and preparation method thereof.
The present invention adopts following technical scheme:
Copper conductor PTC macromolecule conducting material, the weight part of its constitutive material is: high density polyethylene(HDPE) 40-50, heat-reactive phenolic resin 15-20, boron trifluoride mono aminoethane 20-25, light calcium carbonate powder 15-20, attapulgite modified 4.0-5.0, copper powder 3.8-4.5, vulkacit D TDM 1.8-2.0, altax 2.0-2.5, Resorcinol 1.5-1.7, aluminium hydroxide 4.5-5.0 and sodium lignosulfonate 3.5-4.5.
Copper conductor PTC macromolecule conducting material, the weight part of its constitutive material is: high density polyethylene(HDPE) 45, heat-reactive phenolic resin 18, boron trifluoride mono aminoethane 22, light calcium carbonate powder 18, attapulgite modified 4.5, copper powder 4.2, vulkacit D TDM 1.9, altax 2.2, Resorcinol 1.6, aluminium hydroxide 4.8 and sodium lignosulfonate 4.0.
The preparation method of copper conductor PTC macromolecule conducting material may further comprise the steps:
(1) attapulgite modified preparation:
A: the weight part by constitutive material takes by weighing attapulgite 25-30 part, clay 3.5-4.5 part, iron powder 1.5-2.5 part, stalk ashes 10-12 part, nano silicon 6-10 part and copper powder 3-5 part; Mix, calcined 3-4 hour, 600-750 ℃ of control temperature cooled off stand-by;
B: in the cooled compound of step (a), add 4.8-5.2 part aluminium nitride, 3.0-4.5 part silane coupling agent KH550 and 5.5-6.0 part epoxy soybean oil; Obtain after mixing 2-3h;
(2) weight part by all raw materials takes by weighing each raw material, joins homogenizer and stirs, and high-speed mixing 6-8min adopts twin screw granulation mode to carry out granulation at twin screw extruder and namely gets product.
Beneficial effect of the present invention:
The present invention adopts high density polyethylene(HDPE) and heat-reactive phenolic resin as major ingredient, cheap, filler modified attapulgite, copper powder and light calcium carbonate powder have been added simultaneously, Young's modulus raising, maximum value stress and the breaking point stress of PTC macromolecule conducting material are increased, improved PTC macromolecular material stretch-proof performance, and the resistance stabilization of material, temperature are even, and prolong the work-ing life of material.
Embodiment
Embodiment 1: copper conductor PTC macromolecule conducting material, the weight part of its constitutive material (kg) is: high density polyethylene(HDPE) 45, heat-reactive phenolic resin 18, boron trifluoride mono aminoethane 22, light calcium carbonate powder 18, attapulgite modified 4.5, copper powder 4.2, vulkacit D TDM 1.9, altax 2.2, Resorcinol 1.6, aluminium hydroxide 4.8 and sodium lignosulfonate 4.0.
The preparation method of copper conductor PTC macromolecule conducting material may further comprise the steps:
(1) attapulgite modified preparation:
A: the weight part by constitutive material takes by weighing attapulgite 28kg, clay 4.0kg, iron powder 2.0kg, stalk ashes 11kg, nano silicon 8kg and copper powder 4kg; Mix, calcined 3-4 hour, 680 ℃ of control temperature are cooled off stand-by;
B: in the cooled compound of step (a), add 5.0kg aluminium nitride, 3.8kg silane coupling agent KH550 and 5.8kg epoxy soybean oil; Obtain after mixing 2-3h;
(2) weight part by all raw materials takes by weighing each raw material, joins homogenizer and stirs, and high-speed mixing 6-8min adopts twin screw granulation mode to carry out granulation at twin screw extruder and namely gets product.
The PTC macromolecule conducting material Performance Detection that above-described embodiment 1 makes is as follows:
1, Young's modulus (N/mm2) 197.08; 2, maximum value stress (N/mm2) 15.68; 3, breaking point stress (N/mm2) 9.55; 4, tensile strength (N/mm2) 17.8; 5, elongation at break (%) 205; 6, starting current (A/m10 ℃) 0.27; 7, nominal power (W/m10 ℃) 27; 8, high maintenance temperature (℃) 76; 9, the highest withstand temp (℃) 125.
Claims (3)
1. a copper conductor PTC macromolecule conducting material is characterized in that the weight part of its constitutive material is: high density polyethylene(HDPE) 40-50, heat-reactive phenolic resin 15-20, boron trifluoride mono aminoethane 20-25, light calcium carbonate powder 15-20, attapulgite modified 4.0-5.0, copper powder 3.8-4.5, vulkacit D TDM 1.8-2.0, altax 2.0-2.5, Resorcinol 1.5-1.7, aluminium hydroxide 4.5-5.0 and sodium lignosulfonate 3.5-4.5.
2. copper conductor PTC macromolecule conducting material according to claim 1 is characterized in that the weight part of its constitutive material is: high density polyethylene(HDPE) 45, heat-reactive phenolic resin 18, boron trifluoride mono aminoethane 22, light calcium carbonate powder 18, attapulgite modified 4.5, copper powder 4.2, vulkacit D TDM 1.9, altax 2.2, Resorcinol 1.6, aluminium hydroxide 4.8 and sodium lignosulfonate 4.0.
3. the preparation method of a copper conductor PTC macromolecule conducting material as claimed in claim 1 is characterized in that may further comprise the steps:
(1) attapulgite modified preparation:
A: the weight part by constitutive material takes by weighing attapulgite 25-30 part, clay 3.5-4.5 part, iron powder 1.5-2.5 part, stalk ashes 10-12 part, nano silicon 6-10 part and copper powder 3-5 part; Mix, calcined 3-4 hour, 600-750 ℃ of control temperature cooled off stand-by;
B: in the cooled compound of step (a), add 4.8-5.2 part aluminium nitride, 3.0-4.5 part silane coupling agent KH550 and 5.5-6.0 part epoxy soybean oil; Obtain after mixing 2-3h;
(2) weight part by all raw materials takes by weighing each raw material, joins homogenizer and stirs, and high-speed mixing 6-8min adopts twin screw granulation mode to carry out granulation at twin screw extruder and namely gets product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102062101A CN103333385A (en) | 2013-05-29 | 2013-05-29 | PTC polymer conductive material used for copper wires and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102062101A CN103333385A (en) | 2013-05-29 | 2013-05-29 | PTC polymer conductive material used for copper wires and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6114433A (en) * | 1998-03-17 | 2000-09-05 | Industrial Technology Research Institute | PTC conductive polymer composition |
| JP2000294406A (en) * | 1999-02-22 | 2000-10-20 | Littelfuse Inc | Ptc circuit protection device |
| CN102604189A (en) * | 2012-03-07 | 2012-07-25 | 芜湖市旭辉电工新材料有限责任公司 | PTC (Positive Temperature Coefficient) high polymer heating material for self-limiting temperature electric tracing band |
| CN102660106A (en) * | 2012-05-18 | 2012-09-12 | 上海神沃电子有限公司 | Phenylthiocarbamide (PTC) composite material and PTC chip prepared by same and preparation method |
| CN102924776A (en) * | 2011-08-10 | 2013-02-13 | 富致科技股份有限公司 | Positive-temperature-coefficient (PTC) material composition, and over-current protection assembly prepared through using PTC material |
-
2013
- 2013-05-29 CN CN2013102062101A patent/CN103333385A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6114433A (en) * | 1998-03-17 | 2000-09-05 | Industrial Technology Research Institute | PTC conductive polymer composition |
| JP2000294406A (en) * | 1999-02-22 | 2000-10-20 | Littelfuse Inc | Ptc circuit protection device |
| CN102924776A (en) * | 2011-08-10 | 2013-02-13 | 富致科技股份有限公司 | Positive-temperature-coefficient (PTC) material composition, and over-current protection assembly prepared through using PTC material |
| CN102604189A (en) * | 2012-03-07 | 2012-07-25 | 芜湖市旭辉电工新材料有限责任公司 | PTC (Positive Temperature Coefficient) high polymer heating material for self-limiting temperature electric tracing band |
| CN102660106A (en) * | 2012-05-18 | 2012-09-12 | 上海神沃电子有限公司 | Phenylthiocarbamide (PTC) composite material and PTC chip prepared by same and preparation method |
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Effective date of abandoning: 20161019 |
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