Elastic films and laminates
US8721827B2 · kind B2 · utility
16Cited by
73References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2012 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Aug 21, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/681
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to methods of forming an elastic, breathable film/nonwoven layer laminate. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines. The compositions of the present invention preferably comprise an elastomeric polyolefin resin and a high pressure low density type resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.