JPS629408B2 - - Google Patents
Info
- Publication number
- JPS629408B2 JPS629408B2 JP51112212A JP11221276A JPS629408B2 JP S629408 B2 JPS629408 B2 JP S629408B2 JP 51112212 A JP51112212 A JP 51112212A JP 11221276 A JP11221276 A JP 11221276A JP S629408 B2 JPS629408 B2 JP S629408B2
- Authority
- JP
- Japan
- Prior art keywords
- foaming
- cold gas
- degree
- blowing
- extrudate
- 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
Links
- 238000005187 foaming Methods 0.000 claims description 17
- 229920000642 polymer Polymers 0.000 claims description 15
- 238000007664 blowing Methods 0.000 claims description 12
- -1 polyethylene Polymers 0.000 claims description 11
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 4
- 239000004088 foaming agent Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 23
- 239000006260 foam Substances 0.000 description 10
- 239000004604 Blowing Agent Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000002667 nucleating agent Substances 0.000 description 2
- 229920001748 polybutylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical compound FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 description 1
- 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
- 239000004156 Azodicarbonamide Substances 0.000 description 1
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 1
- 235000019399 azodicarbonamide Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 1
- 229940087091 dichlorotetrafluoroethane Drugs 0.000 description 1
- 238000013012 foaming technology Methods 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
- 239000000463 material Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 229940029284 trichlorofluoromethane Drugs 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11221276A JPS5336572A (en) | 1976-09-17 | 1976-09-17 | Process for manufacture of high ratio expansion polymer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11221276A JPS5336572A (en) | 1976-09-17 | 1976-09-17 | Process for manufacture of high ratio expansion polymer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5336572A JPS5336572A (en) | 1978-04-04 |
| JPS629408B2 true JPS629408B2 (enrdf_load_stackoverflow) | 1987-02-28 |
Family
ID=14581048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11221276A Granted JPS5336572A (en) | 1976-09-17 | 1976-09-17 | Process for manufacture of high ratio expansion polymer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5336572A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62165814A (ja) * | 1986-01-16 | 1987-07-22 | 三菱電線工業株式会社 | 高発泡絶縁電線の製造方法 |
| JP2887013B2 (ja) * | 1991-04-25 | 1999-04-26 | 三菱電機株式会社 | ３相交流出力変換器の並列運転制御装置 |
-
1976
- 1976-09-17 JP JP11221276A patent/JPS5336572A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5336572A (en) | 1978-04-04 |
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