Reduced aging period for polyethylene foam
US4089818A · kind A · utility
23Cited by
2References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 20, 1976 |
| Grant date | May 16, 1978 |
| Priority date | — |
| Expiry date | Aug 20, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2423/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In accordance with the present invention the aging period for low density polyethylene foam is substantially reduced by forming the foam from at least two different resins having different melt indexes which are blended together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.