Peel seal blend of 1-polybutylene, m-LLDPE and LDPE with high hot tack
US6355732B1 · kind B1 · utility
18Cited by
20References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 13, 2000 |
| Grant date | Mar 12, 2002 |
| Priority date | — |
| Expiry date | Oct 13, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/3192
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A packaging film or sheet which is capable of forming peel seals having acceptable seal strengths, is disclosed which includes a polymer mixture consisting of a blend having proportionate amounts of from about 60 percent by weight to about 70 percent by weight of LDPE; from about 15 percent by weight to about 25 percent by weight of mLLDPE; and from about 10 percent by weight to about 20 percent by weight of 1-polybutylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.