High integrity polyester strapping
US7625628B2 · kind B2 · utility
2Cited by
26References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2003 |
| Grant date | Dec 1, 2009 |
| Priority date | — |
| Expiry date | May 26, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyester strapping made from polyester and less than 3% by weight of a polyolefin additive exhibits improved resistance to longitudinal splitting when the strapping is later placed under tension in packaging reinforcement applications. The polyolefin improves the longitudinal split resistance of the strapping without facilitating unwanted longitudinal stretch of the polyester strapping when under tension. The polyolefin additive may be combined with other conventional additives, or may be used alone in order to minimize costs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.