Stretchable cling film composition based on polyethylene
US4680330A · kind A · utility
21Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1985 |
| Grant date | Jul 14, 1987 |
| Priority date | — |
| Expiry date | Dec 12, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L91/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a composition suitable for the manufacture of cling film, comprising 80 to 99% by weight of at least one polymer or copolymer of ethylene having a density less than or equal to 0.935, and from 1 to 20% by weight of the total composition comprising: PA0 (a) A cling agent chosen from amongst liquid polybutenes and atactic polypropylenes and PA0 (b) At least one crystalline wax in a quantity of 0.01 and 50% by weight based on the weight of (a) and (b) together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.