Production of cross-linked polymeric extruded articles
US4528155A · kind A · utility
27Cited by
8References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 12, 1983 |
| Grant date | Jul 9, 1985 |
| Priority date | — |
| Expiry date | Jul 12, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/65
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In a method of producing an extruded, cross-linked cable coating of filled polyethylene wherein the extruder is charged with commingled polyethylene pellets and filler-EPR masterbatch pellets containing a peroxide cross-linking agent, the peroxide is incorporated in the masterbatch pellets by application to and absorption in the pellets during advance of the pellets to the extruder, while the pellets are continuously maintained at an elevated temperature for preventing bleed-out of absorbed peroxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.