CN103304947B - Anti-oxidant PTC polymer heating material and preparation method thereof - Google Patents
Anti-oxidant PTC polymer heating material and preparation method thereof Download PDFInfo
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- CN103304947B CN103304947B CN201310197397.3A CN201310197397A CN103304947B CN 103304947 B CN103304947 B CN 103304947B CN 201310197397 A CN201310197397 A CN 201310197397A CN 103304947 B CN103304947 B CN 103304947B
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Abstract
The invention discloses a kind of anti-oxidant PTC polymer heating material, be made up of the raw material of following weight part: polymethylmethacrylate 8-10, Low Density Polyethylene 80-85, titanium carbide 5-8, conductive carbon black 12-16, aluminium nitride 8-10, medical stone powder 20-25, vinyltrimethoxy silane 4-6, TiB2 4-6, calcium carbonate 12-14, Viscoat 295 4-6, 3-aminopropyl trimethoxysilane 4-6, antioxidant 1010? 1-2, <b> calcium stearate </b><bGreatT.Gre aT.GT3-4</b><bGr eatT.GreaT.GT, </b> acetyl triethyl citrate 5-7, tetrahydroglyoxaline 1-2.Substantially increase PTC intensity of the present invention and high PTC stability, resistance stabilization, homogeneous temperature, ptc characteristics stablized, the work-ing life of oxidation-resistance, increase material.
Description
Technical field
The invention belongs to polymeric material field, be specifically related to a kind of high molecular based PTC exothermic material and preparation method thereof.
Background technology
PTC polymer heating material to be widely used in temp auto-controlled heating material communicating as overheated, overcurrent protection, in the various fields such as computer, automobile, Industry Control, household electrical appliance.Current organic PTC material mainly with graphite and carbon black for conductive filler material, mainly there is room temperature resistance wider distribution, the problems such as PTC intensity is little, stability is lower.
Summary of the invention
The object of this invention is to provide a kind of anti-oxidant PTC polymer heating material, possess low room temperature resistivity, long-term through-flow stable performance, high PTC intensity and high PTC stability, good in oxidation resistance.
Technical solution of the present invention is as follows:
Anti-oxidant PTC polymer heating material, is characterized in that: be made up of the raw material of following weight part: polymethylmethacrylate 8-10, Low Density Polyethylene 80-85, titanium carbide 5-8, conductive carbon black 12-16, aluminium nitride 8-10, medical stone powder 20-25, vinyltrimethoxy silane 4-6, TiB2 4-6, calcium carbonate 12-14, Viscoat 295 4-6,3-aminopropyl trimethoxysilane 4-6, antioxidant 1010 1-2,
calcium stearate 3-4,acetyl triethyl citrate 5-7, tetrahydroglyoxaline 1-2.
Described anti-oxidant PTC polymer heating material, it is characterized in that: comprise the following steps: suspension is made in the stirring that added water by titanium carbide, add vinyltrimethoxy silane again, after high speed dispersion 10-15 minute, then add conductive carbon black, medical stone powder, Paris white, be heated to 50-60 DEG C, add acetyl triethyl citrate, tetrahydroglyoxaline stirs, carry out being ground to slurry, spraying dry, obtain powder; By Low Density Polyethylene, TiB2, Viscoat 295 mixing 20-30 minute at 90-110 DEG C, obtain compound; Polymethylmethacrylate is heated to 90-155 DEG C, adds the remaining excess material of gained powder and compound and other, mixing 10-15 minute, extruding pelletization obtains.
PTC polymer heating material of the present invention is pressed into sheet material, then at sheet surface compacting wire, namely obtains PTC fever tablet.
The present invention adopts conductive carbon black
addmedical stone powder, Paris white, vinyltrimethoxy silane grind, and increase the molecular network lattice structure between it, have and strengthen heat-resisting, resistance to stream, withstand voltage and improve the effect of resistance change stability; Low Density Polyethylene of the present invention, TiB2, Viscoat 295 carry out a batch mixing, add each raw material composition dispersed, after rerolling, add the compatibility between each material composition, conductive network structure more firm, substantially increase PTC intensity of the present invention and high PTC stability, the work-ing life of material is stablized, increased to resistance stabilization, homogeneous temperature, ptc characteristics.
Embodiment
Anti-oxidant PTC polymer heating material, be made up of the raw material of following weight part (kilogram): polymethylmethacrylate 8, Low Density Polyethylene 85, titanium carbide 8, conductive carbon black 16, aluminium nitride 8, medical stone powder 25, vinyltrimethoxy silane 6, TiB2 6, calcium carbonate 14, Viscoat 295 6,3-aminopropyl trimethoxysilane 6, antioxidant 1010 2,
calcium stearate 4,acetyl triethyl citrate 7, tetrahydroglyoxaline 1.
Described anti-oxidant PTC polymer heating material, comprise the following steps: suspension is made in the stirring that added water by titanium carbide, add vinyltrimethoxy silane again, after high speed dispersion 10-15 minute, then add conductive carbon black, medical stone powder, Paris white, be heated to 50-60 DEG C, add acetyl triethyl citrate, tetrahydroglyoxaline stirs, carry out being ground to slurry, spraying dry, obtain powder; By Low Density Polyethylene, TiB2, Viscoat 295 mixing 20-30 minute at 90-110 DEG C, obtain compound; Polymethylmethacrylate is heated to 90-155 DEG C, adds the remaining excess material of gained powder and compound and other, mixing 10-15 minute, extruding pelletization obtains.
PTC polymer heating material of the present invention is pressed into sheet material, prepares the bar shaped sample of long 100mm, wide 6.5mm, thick 2mm, then at sheet surface compacting wire, namely obtain PTC fever tablet.
Detection perform:
Room temperature (25 DEG C) zero power resistance is 19m Ω, PTC intensity reaches more than 8.6, by its between-20 DEG C and 140 DEG C after thermal cycling 200 times its room temperature resistance still at below 30m Ω, and the changing conditions of resistance is stablized in thermal cycling, there is the through-flow through-current capability being greater than 100A for a long time.Generate heat 36 hours continuously at 200 times, without burning phenomenon.The PTC polymer heating material life-span: 15 minutes energising once, power-off in 15 minutes once, circulation in 30 minutes, break-make 5000 times, power variation rate 94%, rate of temperature change 98%.
Claims (1)
1. anti-oxidant PTC polymer heating material, is characterized in that: be made up of the raw material of following weight part: polymethylmethacrylate 8-10, Low Density Polyethylene 80-85, titanium carbide 5-8, conductive carbon black 12-16, aluminium nitride 8-10, medical stone powder 20-25, vinyltrimethoxy silane 4-6, TiB2 4-6, Paris white 12-14, Viscoat 295 4-6,3-aminopropyl trimethoxysilane 4-6, antioxidant 1010 1-2, calcium stearate 3-4, acetyl triethyl citrate 5-7, tetrahydroglyoxaline 1-2;
The preparation method of described anti-oxidant PTC polymer heating material, comprise the following steps: suspension is made in the stirring that added water by titanium carbide, add vinyltrimethoxy silane again, after high speed dispersion 10-15 minute, then add conductive carbon black, medical stone powder, Paris white, be heated to 50-60 DEG C, add acetyl triethyl citrate, tetrahydroglyoxaline stirs, carry out grinding and obtain slurry, spraying dry, obtain powder; By Low Density Polyethylene, TiB2, Viscoat 295 mixing 20-30 minute at 90-110 DEG C, obtain compound; Polymethylmethacrylate is heated to 90-155 DEG C, adds gained powder and compound and other leftover materials, mixing 10-15 minute, extruding pelletization obtains.
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| CN201310197397.3A CN103304947B (en) | 2013-05-24 | 2013-05-24 | Anti-oxidant PTC polymer heating material and preparation method thereof |
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| CN201310197397.3A CN103304947B (en) | 2013-05-24 | 2013-05-24 | Anti-oxidant PTC polymer heating material and preparation method thereof |
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| CN103304947B true CN103304947B (en) | 2016-03-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106751088A (en) * | 2016-12-20 | 2017-05-31 | 宁波爱克创威新材料科技有限公司 | A kind of temp auto-controlled PTC electric heating materials and preparation method thereof |
| CN108178896A (en) * | 2017-12-28 | 2018-06-19 | 林雀萍 | The preparation method of cloth waste and the composite material of resin compounded |
| CN108178895A (en) * | 2017-12-28 | 2018-06-19 | 林雀萍 | The preparation method of flame-resistant resin environment-friendly composite material |
| CN108034178A (en) * | 2017-12-28 | 2018-05-15 | 林雀萍 | The preparation method of environmentally friendly composite materials |
| CN108192253A (en) * | 2017-12-28 | 2018-06-22 | 林雀萍 | The preparation method of the composite material of high frictional behaviour |
| CN110078999A (en) * | 2019-05-06 | 2019-08-02 | 宁波昕科工贸有限公司 | A kind of environmental protection macromolecule exothermic material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1239111A (en) * | 1998-06-15 | 1999-12-22 | 财团法人工业技术研究院 | Electrically conductive high-molecular composition with positive temp coefficient |
| CN102082016A (en) * | 2009-11-26 | 2011-06-01 | 比亚迪股份有限公司 | Positive temperature coefficient thermistor and preparation method thereof |
| CN102702603A (en) * | 2012-06-20 | 2012-10-03 | 合肥工业大学 | Polyethylene/titanium diboride PTC (Positive Temperature Coefficient) composite material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3749504B2 (en) * | 2002-05-29 | 2006-03-01 | Ｔｄｋ株式会社 | PTC composition, thermistor element, and production method thereof |
| US8728354B2 (en) * | 2006-11-20 | 2014-05-20 | Sabic Innovative Plastics Ip B.V. | Electrically conducting compositions |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1239111A (en) * | 1998-06-15 | 1999-12-22 | 财团法人工业技术研究院 | Electrically conductive high-molecular composition with positive temp coefficient |
| CN102082016A (en) * | 2009-11-26 | 2011-06-01 | 比亚迪股份有限公司 | Positive temperature coefficient thermistor and preparation method thereof |
| CN102702603A (en) * | 2012-06-20 | 2012-10-03 | 合肥工业大学 | Polyethylene/titanium diboride PTC (Positive Temperature Coefficient) composite material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 接枝炭黑/聚乙烯导电复合材料正电阻温度系数(PTC)效应研究;李勇，路庆华;《化学世界》;20010331(第3期);第128-130页 * |
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Address after: 239300 Anhui city of Chuzhou province Tianchang Tianye Road No. 288 Patentee after: Anbang Electric Co., Ltd. Address before: 239300 Anhui city of Chuzhou province Tianchang Tianye Road No. 288 Patentee before: Anbang Electrical Group Co., Ltd. |