JPH0578124B2 - - Google Patents
Info
- Publication number
- JPH0578124B2 JPH0578124B2 JP59009906A JP990684A JPH0578124B2 JP H0578124 B2 JPH0578124 B2 JP H0578124B2 JP 59009906 A JP59009906 A JP 59009906A JP 990684 A JP990684 A JP 990684A JP H0578124 B2 JPH0578124 B2 JP H0578124B2
- Authority
- JP
- Japan
- Prior art keywords
- density polyethylene
- foaming
- low
- weight
- medium
- 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
- 238000005187 foaming Methods 0.000 claims description 20
- 239000000155 melt Substances 0.000 claims description 16
- 229920001903 high density polyethylene Polymers 0.000 claims description 14
- 239000004700 high-density polyethylene Substances 0.000 claims description 14
- 229920001684 low density polyethylene Polymers 0.000 claims description 14
- 239000004702 low-density polyethylene Substances 0.000 claims description 14
- 229920001179 medium density polyethylene Polymers 0.000 claims description 14
- 239000004701 medium-density polyethylene Substances 0.000 claims description 14
- 239000004698 Polyethylene Substances 0.000 claims description 11
- -1 polyethylene Polymers 0.000 claims description 11
- 229920000573 polyethylene Polymers 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000004604 Blowing Agent Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000004088 foaming agent Substances 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000006260 foam Substances 0.000 description 5
- 229920005601 base polymer Polymers 0.000 description 4
- 230000008961 swelling Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- DDMOUSALMHHKOS-UHFFFAOYSA-N 1,2-dichloro-1,1,2,2-tetrafluoroethane Chemical compound FC(F)(Cl)C(F)(F)Cl DDMOUSALMHHKOS-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013012 foaming technology Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000003348 petrochemical agent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Processes Specially Adapted For Manufacturing Cables (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP990684A JPS60154416A (ja) | 1984-01-23 | 1984-01-23 | 高発泡ポリエチレン絶縁電線の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP990684A JPS60154416A (ja) | 1984-01-23 | 1984-01-23 | 高発泡ポリエチレン絶縁電線の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60154416A JPS60154416A (ja) | 1985-08-14 |
| JPH0578124B2 true JPH0578124B2 (fr) | 1993-10-28 |
Family
ID=11733151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP990684A Granted JPS60154416A (ja) | 1984-01-23 | 1984-01-23 | 高発泡ポリエチレン絶縁電線の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60154416A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0755990B2 (ja) * | 1989-11-02 | 1995-06-14 | 宇部興産株式会社 | 電線被覆用の発泡性ポリオレフィン樹脂組成物 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55148313A (en) * | 1979-05-10 | 1980-11-18 | Dainichi Nippon Cables Ltd | Method of producing high foamed polyethylene insulated wire |
| JPS55150505A (en) * | 1979-05-10 | 1980-11-22 | Dainichi Nippon Cables Ltd | Method of producing high foamed plastic insulated wire |
| JPS5730253A (en) * | 1979-06-28 | 1982-02-18 | Jeol Ltd | Secondary electron detector for scan type electron microscope |
-
1984
- 1984-01-23 JP JP990684A patent/JPS60154416A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55148313A (en) * | 1979-05-10 | 1980-11-18 | Dainichi Nippon Cables Ltd | Method of producing high foamed polyethylene insulated wire |
| JPS55150505A (en) * | 1979-05-10 | 1980-11-22 | Dainichi Nippon Cables Ltd | Method of producing high foamed plastic insulated wire |
| JPS5730253A (en) * | 1979-06-28 | 1982-02-18 | Jeol Ltd | Secondary electron detector for scan type electron microscope |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60154416A (ja) | 1985-08-14 |
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