CN103333400A - PTC polymer conductive material adopting linear low-density polyethylene as main material and preparation method thereof - Google Patents
PTC polymer conductive material adopting linear low-density polyethylene as main material and preparation method thereof Download PDFInfo
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- CN103333400A CN103333400A CN2013102062417A CN201310206241A CN103333400A CN 103333400 A CN103333400 A CN 103333400A CN 2013102062417 A CN2013102062417 A CN 2013102062417A CN 201310206241 A CN201310206241 A CN 201310206241A CN 103333400 A CN103333400 A CN 103333400A
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- density polyethylene
- linear low
- low density
- loess
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- 239000000463 material Substances 0.000 title claims abstract description 23
- 229920000092 linear low density polyethylene Polymers 0.000 title claims abstract description 21
- 239000004707 linear low-density polyethylene Substances 0.000 title claims abstract description 21
- 239000004020 conductor Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 229920000642 polymer Polymers 0.000 title abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims abstract description 8
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- DEIGXXQKDWULML-UHFFFAOYSA-N 1,2,5,6,9,10-hexabromocyclododecane Chemical compound BrC1CCC(Br)C(Br)CCC(Br)C(Br)CCC1Br DEIGXXQKDWULML-UHFFFAOYSA-N 0.000 claims abstract description 6
- 101100207324 Arabidopsis thaliana TPPD gene Proteins 0.000 claims abstract description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 6
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000011575 calcium Substances 0.000 claims abstract description 6
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 6
- 229920005610 lignin Polymers 0.000 claims abstract description 6
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 229920002521 macromolecule Polymers 0.000 claims description 13
- 239000004615 ingredient Substances 0.000 claims description 12
- 238000012986 modification Methods 0.000 claims description 8
- 230000004048 modification Effects 0.000 claims description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 238000005469 granulation Methods 0.000 claims description 6
- 230000003179 granulation Effects 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 230000003712 anti-aging effect Effects 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- -1 carbon alcohol ester Chemical class 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 3
- 229910017083 AlN Inorganic materials 0.000 claims description 3
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 3
- 101710194948 Protein phosphatase PhpP Proteins 0.000 claims description 3
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- HWGNBUXHKFFFIH-UHFFFAOYSA-I pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O HWGNBUXHKFFFIH-UHFFFAOYSA-I 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 3
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 235000006708 antioxidants Nutrition 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002861 polymer material Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000035882 stress Effects 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000008642 heat stress Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a PTC polymer conductive material adopting linear low-density polyethylene as the main material and a preparation method thereof. The raw materials are linear low-density polyethylene, polyvinyl acetal, tetramethyl orthosilicate, montmorillonite powder, modified loess, iron powder, promoter PZ, anti-oxidant TPPD, bis-dodecanol ester, hexabromocyclododecane and calcium lignin sulphonate. The method adopts linear low-density polyethylene as the main material, stirs in polyvinyl acetal, which is cheap in price, and adds modified loess, montmorillonite powder, and iron 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, being specifically related to a kind of linear low density polyethylene is PTC macromolecule conducting material of major ingredient 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 linear low density polyethylene is PTC macromolecule conducting material of major ingredient and preparation method thereof.
The present invention adopts following technical scheme:
Linear low density polyethylene is the PTC macromolecule conducting material of major ingredient, and the weight part of its constitutive material is: linear low density polyethylene 55-65, polyvinyl acetal 30-40, methyl silicate 28-32, montmorillonite powder 17-20, modification loess 3.0-4.5, iron powder 1.0-2.0, promotor PZ 2.5-3.0, anti-aging agent TPPD 3.0-4.0, two 12 carbon alcohol ester 1.6-2.0, hexabromocyclododecane 7.5-9.0 and calcium lignin sulphonate 4.0-5.5.
Linear low density polyethylene is the PTC macromolecule conducting material of major ingredient, and the weight part of its constitutive material is: linear low density polyethylene 60, polyvinyl acetal 35, methyl silicate 30, montmorillonite powder 18, modification loess 3.8, iron powder 1.5, promotor PZ 2.8, anti-aging agent TPPD 3.5, two 12 carbon alcohol esters 1.8, hexabromocyclododecane 8.5 and calcium lignin sulphonate 4.8.
Linear low density polyethylene is the preparation method of the PTC macromolecule conducting material of major ingredient, may further comprise the steps:
(1) preparation of modification loess:
A: the weight part by constitutive material takes by weighing loess 9-11 part, tripoly phosphate sodium STPP 1.5-2.5 part, zinc oxide 4.7-5.3 part, zirconium white 4.0-4.5 part, aluminum oxide 6.5-7.5 part and light calcium carbonate 1.3-1.5 part; Mix, calcined 5-6 hour, 650-700 ℃ of control temperature cooled off stand-by;
B: in the cooled compound of step (a), add 2.5-4.0 part aluminium nitride, 3.3-3.8 part dicumyl peroxide and 5.0-6.5 part sodium laurylsulfate; Obtain after mixing 3-5h;
(2) weight part by all raw materials takes by weighing each raw material, joins homogenizer and stirs, and high-speed mixing 5-10min 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 linear low density polyethylene as major ingredient, and admix polyvinyl acetal, cheap, filler modified loess, montmorillonite powder and iron 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: linear low density polyethylene is the PTC macromolecule conducting material of major ingredient, and the weight part of its constitutive material (kg) is: linear low density polyethylene 60, polyvinyl acetal 35, methyl silicate 30, montmorillonite powder 18, modification loess 3.8, iron powder 1.5, promotor PZ 2.8, anti-aging agent TPPD 3.5, two 12 carbon alcohol esters 1.8, hexabromocyclododecane 8.5 and calcium lignin sulphonate 4.8.
Linear low density polyethylene is the preparation method of the PTC macromolecule conducting material of major ingredient, may further comprise the steps:
(1) preparation of modification loess:
A: the weight part by constitutive material takes by weighing loess 10kg, tripoly phosphate sodium STPP 2.0kg, zinc oxide 5.0kg, zirconium white 4.2kg, aluminum oxide 7.0kg and light calcium carbonate 1.4kg; Mix, calcined 5-6 hour, 680 ℃ of control temperature are cooled off stand-by;
B: in the cooled compound of step (a), add 3.5kg aluminium nitride, 3.5kg dicumyl peroxide and 5.8kg sodium laurylsulfate; Obtain after mixing 4h;
(2) weight part by all raw materials takes by weighing each raw material, joins homogenizer and stirs, and high-speed mixing 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) 205.15; 2, maximum value stress (N/mm2) 14.82; 3, breaking point stress (N/mm2) 11.87; 4, tensile strength (N/mm2) 12.4; 5, elongation at break (%) 190; 6, starting current (A/m10 ℃) 0.22; 7, nominal power (W/m10 ℃) 21.5; 8, high maintenance temperature (℃) 67; 9, the highest withstand temp (℃) 117.
Claims (3)
1. the PTC macromolecule conducting material that linear low density polyethylene is major ingredient is characterized in that the weight part of its constitutive material is: linear low density polyethylene 55-65, polyvinyl acetal 30-40, methyl silicate 28-32, montmorillonite powder 17-20, modification loess 3.0-4.5, iron powder 1.0-2.0, promotor PZ 2.5-3.0, anti-aging agent TPPD 3.0-4.0, two 12 carbon alcohol ester 1.6-2.0, hexabromocyclododecane 7.5-9.0 and calcium lignin sulphonate 4.0-5.5.
2. linear low density polyethylene according to claim 1 is the PTC macromolecule conducting material of major ingredient, it is characterized in that the weight part of its constitutive material is: linear low density polyethylene 60, polyvinyl acetal 35, methyl silicate 30, montmorillonite powder 18, modification loess 3.8, iron powder 1.5, promotor PZ 2.8, anti-aging agent TPPD 3.5, two 12 carbon alcohol esters 1.8, hexabromocyclododecane 8.5 and calcium lignin sulphonate 4.8.
3. the preparation method of a linear low density polyethylene as claimed in claim 1 PTC macromolecule conducting material that is major ingredient is characterized in that may further comprise the steps:
(1) preparation of modification loess:
A: the weight part by constitutive material takes by weighing loess 9-11 part, tripoly phosphate sodium STPP 1.5-2.5 part, zinc oxide 4.7-5.3 part, zirconium white 4.0-4.5 part, aluminum oxide 6.5-7.5 part and light calcium carbonate 1.3-1.5 part; Mix, calcined 5-6 hour, 650-700 ℃ of control temperature cooled off stand-by;
B: in the cooled compound of step (a), add 2.5-4.0 part aluminium nitride, 3.3-3.8 part dicumyl peroxide and 5.0-6.5 part sodium laurylsulfate; Obtain after mixing 3-5h;
(2) weight part by all raw materials takes by weighing each raw material, joins homogenizer and stirs, and high-speed mixing 5-10min 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 |
|---|---|---|---|
| CN201310206241.7A CN103333400B (en) | 2013-05-29 | 2013-05-29 | A kind of LLDPE is PTC macromolecule conducting material of major ingredient and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310206241.7A CN103333400B (en) | 2013-05-29 | 2013-05-29 | A kind of LLDPE is PTC macromolecule conducting material of major ingredient and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN103333400A true CN103333400A (en) | 2013-10-02 |
| CN103333400B CN103333400B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310206241.7A Active CN103333400B (en) | 2013-05-29 | 2013-05-29 | A kind of LLDPE is PTC macromolecule conducting material of major ingredient and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086868A (en) * | 2014-07-01 | 2014-10-08 | 安徽江威精密制造有限公司 | Special filler for corrosion-resistant capacitor film and preparation method of special filler |
| CN106169343A (en) * | 2016-08-09 | 2016-11-30 | 安徽省宁国天成电工有限公司 | A kind of PTC themistor core being applied to electric heater |
| CN117511045A (en) * | 2024-01-04 | 2024-02-06 | 河北尚华新材料股份有限公司 | Carbon fiber electromagnetic shielding composite material applicable to optical cable |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1217353A (en) * | 1997-11-13 | 1999-05-26 | 中国石油化工总公司 | Resin composition for self-temp.-controlled heating cable |
| CN101205327A (en) * | 2007-12-01 | 2008-06-25 | 江苏恒峰线缆有限公司 | Polyolefin conductive polymer with middle-positive temperature coefficient |
-
2013
- 2013-05-29 CN CN201310206241.7A patent/CN103333400B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1217353A (en) * | 1997-11-13 | 1999-05-26 | 中国石油化工总公司 | Resin composition for self-temp.-controlled heating cable |
| CN101205327A (en) * | 2007-12-01 | 2008-06-25 | 江苏恒峰线缆有限公司 | Polyolefin conductive polymer with middle-positive temperature coefficient |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086868A (en) * | 2014-07-01 | 2014-10-08 | 安徽江威精密制造有限公司 | Special filler for corrosion-resistant capacitor film and preparation method of special filler |
| CN104086868B (en) * | 2014-07-01 | 2016-05-04 | 安徽江威精密制造有限公司 | A kind of corrosion resistant electric capacitor film filler special and preparation method thereof |
| CN106169343A (en) * | 2016-08-09 | 2016-11-30 | 安徽省宁国天成电工有限公司 | A kind of PTC themistor core being applied to electric heater |
| CN117511045A (en) * | 2024-01-04 | 2024-02-06 | 河北尚华新材料股份有限公司 | Carbon fiber electromagnetic shielding composite material applicable to optical cable |
| CN117511045B (en) * | 2024-01-04 | 2024-03-26 | 河北尚华新材料股份有限公司 | Carbon fiber electromagnetic shielding composite material applicable to optical cable |
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| CN103333400B (en) | 2016-05-04 |
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Address after: 243102 Anhui city of Ma'anshan province Dangtu County Economic Development Zone Patentee after: ANHUI RONGJIU INTELLIGENT EQUIPMENT TECHNOLOGY CO.,LTD. Address before: 243102 Anhui city of Ma'anshan province Dangtu County Economic Development Zone Patentee before: ANHUI RONGJIU OPTICAL FIBER COMMUNICATION Co.,Ltd. |
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Application publication date: 20131002 Assignee: Dongying Luke Enterprise Management Consulting Co.,Ltd. Assignor: Dongying Zhengnuo Technology Service Co.,Ltd. Contract record no.: X2023980039040 Denomination of invention: A PTC polymer conductive material with linear low-density polyethylene as the main material and its preparation method Granted publication date: 20160504 License type: Common License Record date: 20230804 |
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