CN102321364A - 抗静电高散热石墨复合聚酰胺塑料及其制备方法 - Google Patents
抗静电高散热石墨复合聚酰胺塑料及其制备方法 Download PDFInfo
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- CN102321364A CN102321364A CN 201110279592 CN201110279592A CN102321364A CN 102321364 A CN102321364 A CN 102321364A CN 201110279592 CN201110279592 CN 201110279592 CN 201110279592 A CN201110279592 A CN 201110279592A CN 102321364 A CN102321364 A CN 102321364A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 82
- 239000010439 graphite Substances 0.000 title claims abstract description 82
- 230000005855 radiation Effects 0.000 title claims abstract description 59
- 239000004952 Polyamide Substances 0.000 title claims abstract description 46
- 229920002647 polyamide Polymers 0.000 title claims abstract description 46
- 239000004033 plastic Substances 0.000 title claims abstract description 45
- 229920003023 plastic Polymers 0.000 title claims abstract description 45
- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims description 6
- 239000000203 mixture Substances 0.000 claims abstract description 42
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052582 BN Inorganic materials 0.000 claims abstract description 34
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 31
- 229920003192 poly(bis maleimide) Polymers 0.000 claims abstract description 31
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims abstract description 30
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052912 lithium silicate Inorganic materials 0.000 claims abstract description 27
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims description 50
- 239000000463 material Substances 0.000 claims description 34
- 150000001408 amides Chemical class 0.000 claims description 33
- 239000003112 inhibitor Substances 0.000 claims description 30
- 230000003647 oxidation Effects 0.000 claims description 30
- 238000007254 oxidation reaction Methods 0.000 claims description 30
- 235000019353 potassium silicate Nutrition 0.000 claims description 22
- 238000009775 high-speed stirring Methods 0.000 claims description 21
- 239000011812 mixed powder Substances 0.000 claims description 20
- 239000011159 matrix material Substances 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000005469 granulation Methods 0.000 claims description 10
- 230000003179 granulation Effects 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 abstract description 5
- 238000007334 copolymerization reaction Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 abstract 1
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 abstract 1
- 239000004115 Sodium Silicate Substances 0.000 abstract 1
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 19
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007770 graphite material Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
序号 | 物料名称 | 用量(/kg) | 百分比含量(%) |
1 | 石墨 | 30 | 30% |
2 | 聚酰胺 | 50 | 50% |
3 | 硅酸锂 | 6 | 6% |
4 | 硅酸钠 | 6 | 6% |
5 | 双马来酰亚胺 | 3 | 3% |
6 | 硅烷偶联剂 | 1 | 1% |
7 | 六方氮化硼 | 3 | 3% |
8 | 抗氧剂 168 | 0.5 | 0.5% |
9 | 抗氧剂1010 | 0.5 | 0.5% |
物料合计 | 100 kg | 100.0% |
序号 | 物料名称 | 用量(/kg) | 百分比含量(%) |
1 | 石墨 | 35 | 35% |
2 | 聚酰胺 | 45 | 45% |
3 | 硅酸锂 | 5 | 5% |
4 | 硅酸钠 | 10 | 10% |
5 | 双马来酰亚胺 | 2 | 2% |
6 | 硅烷偶联剂 | 0.5 | 0.5% |
7 | 六方氮化硼 | 2 | 2% |
8 | 抗氧剂 168 | 0.25 | 0.25% |
9 | 抗氧剂1010 | 0.25 | 0.25% |
物料合计 | 100 kg | 100.0% |
序号 | 物料名称 | 用量(/kg) | 百分比含量(%) |
1 | 石墨 | 40 | 40% |
2 | 聚酰胺 | 40 | 40% |
3 | 硅酸锂 | 10 | 10% |
4 | 硅酸钠 | -- | -- |
5 | 双马来酰亚胺 | 3 | 3% |
6 | 硅烷偶联剂 | 1 | 1% |
7 | 六方氮化硼 | 4 | 4% |
8 | 抗氧剂 168 | 1 | 1% |
9 | 抗氧剂1010 | 1 | 1% |
物料合计 | 100 kg | 100.0% |
序号 | 物料名称 | 用量(/kg) | 百分比含量(%) |
1 | 石墨 | 30 | 30% |
2 | 聚酰胺 | 40 | 40% |
3 | 硅酸锂 | 10 | 10% |
4 | 硅酸钠 | 10 | 10% |
5 | 双马来酰亚胺 | 5 | 5% |
6 | 硅烷偶联剂 | 2 | 2% |
7 | 六方氮化硼 | 1 | 1% |
8 | 抗氧剂 168 | 1 | 1% |
9 | 抗氧剂1010 | 1 | 1% |
物料合计 | 100 kg | 100.0% |
序号 | 物料名称 | 用量(/kg) | 百分比含量(%) |
1 | 石墨 | 20 | 20% |
2 | 聚酰胺 | 59 | 59% |
3 | 硅酸锂 | -- | -- |
4 | 硅酸钠 | 10 | 10% |
5 | 双马来酰亚胺 | 3 | 3% |
6 | 硅烷偶联剂 | 2 | 2% |
7 | 六方氮化硼 | 5 | 5% |
8 | 抗氧剂 168 | 0.5 | 0.5% |
9 | 抗氧剂1010 | 0.5 | 0.5% |
物料合计 | 100 kg | 100.0% |
序号 | 物料名称 | 用量(/kg) | 百分比含量(%) |
1 | 石墨 | 25 | 25% |
2 | 聚酰胺 | 44 | 44% |
3 | 硅酸锂 | 10 | 10% |
4 | 硅酸钠 | 5 | 5% |
5 | 双马来酰亚胺 | 4 | 4% |
6 | 硅烷偶联剂 | 2 | 2% |
7 | 六方氮化硼 | 8 | 8% |
8 | 抗氧剂 168 | 1 | 1% |
9 | 抗氧剂 1010 | 1 | 1% |
物料合计 | 100 kg | 100.0% |
序号 | 物料名称 | 用量(/kg) | 百分比含量(%) |
1 | 石墨 | 25 | 25% |
2 | 聚酰胺 | 50 | 50% |
3 | 硅酸锂 | 15 | 15% |
4 | 硅酸钠 | -- | -- |
5 | 双马来酰亚胺 | 3.5 | 3.5% |
6 | 硅烷偶联剂 | 1 | 1% |
7 | 六方氮化硼 | 4 | 4% |
8 | 抗氧剂 168 | 0.5 | 0.5% |
9 | 抗氧剂1010 | 1 | 1% |
物料合计 | 100 kg | 100.0% |
序号 | 物料名称 | 用量(/kg) | 百分比含量(%) |
1 | 石墨 | 25 | 25% |
2 | 聚酰胺 | 45 | 45% |
3 | 硅酸锂 | -- | -- |
4 | 硅酸钠 | 15 | 15% |
5 | 双马来酰亚胺 | 5 | 5% |
6 | 硅烷偶联剂 | 0.5 | 0.5% |
7 | 六方氮化硼 | 8 | 8% |
8 | 抗氧剂 168 | 0.5 | 0.5% |
9 | 抗氧剂1010 | 1 | 1% |
物料合计 | 100 kg | 100.0% |
Claims (10)
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CN 201110279592 CN102321364B (zh) | 2011-09-20 | 2011-09-20 | 抗静电高散热石墨复合聚酰胺塑料及其制备方法 |
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CN 201110279592 CN102321364B (zh) | 2011-09-20 | 2011-09-20 | 抗静电高散热石墨复合聚酰胺塑料及其制备方法 |
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CN102321364A true CN102321364A (zh) | 2012-01-18 |
CN102321364B CN102321364B (zh) | 2013-04-24 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102675864A (zh) * | 2012-05-22 | 2012-09-19 | 苏州新区华士达工程塑胶有限公司 | 一种耐低温聚酰胺的配方 |
CN103146182A (zh) * | 2012-04-16 | 2013-06-12 | 孔作万 | 高散热氮化物复合材料及其制备方法 |
WO2014055258A1 (en) * | 2012-09-19 | 2014-04-10 | Momentive Performance Materials Inc. | Compositions comprising exfoliated boron nitride and method for forming such compositions |
US8946333B2 (en) | 2012-09-19 | 2015-02-03 | Momentive Performance Materials Inc. | Thermally conductive plastic compositions, extrusion apparatus and methods for making thermally conductive plastics |
CN104696832A (zh) * | 2015-03-31 | 2015-06-10 | 东莞市闻誉实业有限公司 | Led路灯 |
CN105131585A (zh) * | 2015-10-21 | 2015-12-09 | 淄博夸克医药技术有限公司 | 一种聚酰胺复合碳化硅散热材料、制备方法及其应用 |
US9434870B2 (en) | 2012-09-19 | 2016-09-06 | Momentive Performance Materials Inc. | Thermally conductive plastic compositions, extrusion apparatus and methods for making thermally conductive plastics |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030022043A1 (en) * | 2001-04-27 | 2003-01-30 | Plug Power Inc. | Fuel cell transient control scheme |
CN101955754A (zh) * | 2010-09-19 | 2011-01-26 | 黄柱联 | 一种石墨材料 |
CN102093691A (zh) * | 2011-01-06 | 2011-06-15 | 黄柱联 | 一种混合有散热石墨粉体的塑胶材料 |
CN102131849A (zh) * | 2007-10-01 | 2011-07-20 | 帝斯曼知识产权资产管理有限公司 | 可热加工的导热性聚合物组合物 |
-
2011
- 2011-09-20 CN CN 201110279592 patent/CN102321364B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030022043A1 (en) * | 2001-04-27 | 2003-01-30 | Plug Power Inc. | Fuel cell transient control scheme |
CN102131849A (zh) * | 2007-10-01 | 2011-07-20 | 帝斯曼知识产权资产管理有限公司 | 可热加工的导热性聚合物组合物 |
CN101955754A (zh) * | 2010-09-19 | 2011-01-26 | 黄柱联 | 一种石墨材料 |
CN102093691A (zh) * | 2011-01-06 | 2011-06-15 | 黄柱联 | 一种混合有散热石墨粉体的塑胶材料 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103146182A (zh) * | 2012-04-16 | 2013-06-12 | 孔作万 | 高散热氮化物复合材料及其制备方法 |
CN103146182B (zh) * | 2012-04-16 | 2015-09-09 | 东莞市常平大京九高聚物导电静电研究中心 | 高散热氮化物复合材料及其制备方法 |
CN102675864A (zh) * | 2012-05-22 | 2012-09-19 | 苏州新区华士达工程塑胶有限公司 | 一种耐低温聚酰胺的配方 |
WO2014055258A1 (en) * | 2012-09-19 | 2014-04-10 | Momentive Performance Materials Inc. | Compositions comprising exfoliated boron nitride and method for forming such compositions |
US8946333B2 (en) | 2012-09-19 | 2015-02-03 | Momentive Performance Materials Inc. | Thermally conductive plastic compositions, extrusion apparatus and methods for making thermally conductive plastics |
CN105026474A (zh) * | 2012-09-19 | 2015-11-04 | 莫门蒂夫性能材料股份有限公司 | 含剥离的氮化硼的组合物和形成这样的组合物的方法 |
US9434870B2 (en) | 2012-09-19 | 2016-09-06 | Momentive Performance Materials Inc. | Thermally conductive plastic compositions, extrusion apparatus and methods for making thermally conductive plastics |
CN105026474B (zh) * | 2012-09-19 | 2018-03-13 | 莫门蒂夫性能材料股份有限公司 | 含剥离的氮化硼的组合物和形成这样的组合物的方法 |
CN104696832A (zh) * | 2015-03-31 | 2015-06-10 | 东莞市闻誉实业有限公司 | Led路灯 |
CN104696832B (zh) * | 2015-03-31 | 2018-01-30 | 东莞市闻誉实业有限公司 | Led路灯 |
CN105131585A (zh) * | 2015-10-21 | 2015-12-09 | 淄博夸克医药技术有限公司 | 一种聚酰胺复合碳化硅散热材料、制备方法及其应用 |
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Denomination of invention: Antistatic high heat dissipation graphite composite polyamide plastic and its preparation method Effective date of registration: 20201102 Granted publication date: 20130424 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO MOLD MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2020990001279 |
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