JPH0516467B2 - - Google Patents
Info
- Publication number
- JPH0516467B2 JPH0516467B2 JP60144346A JP14434685A JPH0516467B2 JP H0516467 B2 JPH0516467 B2 JP H0516467B2 JP 60144346 A JP60144346 A JP 60144346A JP 14434685 A JP14434685 A JP 14434685A JP H0516467 B2 JPH0516467 B2 JP H0516467B2
- Authority
- JP
- Japan
- Prior art keywords
- carbon fibers
- powder
- composition
- short carbon
- resistivity
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 229920000642 polymer Polymers 0.000 claims description 44
- 239000000203 mixture Substances 0.000 claims description 40
- 239000000843 powder Substances 0.000 claims description 38
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 36
- 239000004917 carbon fiber Substances 0.000 claims description 36
- 239000002131 composite material Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- -1 polyethylene Polymers 0.000 description 15
- 239000004698 Polyethylene Substances 0.000 description 13
- 239000002245 particle Substances 0.000 description 13
- 229920000573 polyethylene Polymers 0.000 description 13
- 239000005038 ethylene vinyl acetate Substances 0.000 description 11
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 11
- 239000006229 carbon black Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 7
- 239000004020 conductor Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000011812 mixed powder Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000879 optical micrograph Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Treatments Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Thermistors And Varistors (AREA)
- Conductive Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14434685A JPS624750A (ja) | 1985-07-01 | 1985-07-01 | 正温度係数組成物の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14434685A JPS624750A (ja) | 1985-07-01 | 1985-07-01 | 正温度係数組成物の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS624750A JPS624750A (ja) | 1987-01-10 |
| JPH0516467B2 true JPH0516467B2 (ru) | 1993-03-04 |
Family
ID=15359971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14434685A Granted JPS624750A (ja) | 1985-07-01 | 1985-07-01 | 正温度係数組成物の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS624750A (ru) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0292960A (ja) * | 1988-09-29 | 1990-04-03 | Showa Denko Kk | 電気抵抗値が正の温度係数を有する重合体組成物 |
| US6245439B1 (en) | 1994-08-09 | 2001-06-12 | Kabushiki Kaisha Toyoyta Chuo Kenkyusho | composite material and method for the manufacture |
| US6143207A (en) * | 1996-09-18 | 2000-11-07 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Wide-range thermistor material and method for producing it |
| CN102604189B (zh) * | 2012-03-07 | 2013-11-20 | 芜湖市旭辉电工新材料有限责任公司 | 一种用于自限温电伴热带的ptc高分子发热材料 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5568075A (en) * | 1978-11-17 | 1980-05-22 | Charbonnages De France | Automatic temperature control electric heating panel heater and method of manufacturing same |
| JPS5712061A (en) * | 1980-06-27 | 1982-01-21 | Hitachi Cable Ltd | Polymer composition with ptc characteristics |
| JPS59196334A (ja) * | 1983-04-22 | 1984-11-07 | Toyota Central Res & Dev Lab Inc | 正温度係数を有する複合体組成物 |
-
1985
- 1985-07-01 JP JP14434685A patent/JPS624750A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5568075A (en) * | 1978-11-17 | 1980-05-22 | Charbonnages De France | Automatic temperature control electric heating panel heater and method of manufacturing same |
| JPS5712061A (en) * | 1980-06-27 | 1982-01-21 | Hitachi Cable Ltd | Polymer composition with ptc characteristics |
| JPS59196334A (ja) * | 1983-04-22 | 1984-11-07 | Toyota Central Res & Dev Lab Inc | 正温度係数を有する複合体組成物 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS624750A (ja) | 1987-01-10 |
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