Recyclable laminate
US12221510B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2020 |
| Grant date | Feb 11, 2025 |
| Priority date | — |
| Expiry date | Oct 1, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2553/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyolefin-based laminating adhesive composition for use in producing a mechanical recyclable material, the adhesive composition including a mixture of: (a) at least one saturated polyolefin polyol; and (b) at least one aliphatic multi-functional isocyanate compound; a process for producing the above adhesive composition; a mechanically recyclable multi-layer laminate including: (A) at least one first film substrate layer; (B) at least one second film substrate layer; and (C) at least one layer of the above polyolefin-based laminating adhesive composition; wherein the at least one first film substrate layer is bonded to the at least one second film substrate layer via the adhesive composition layer; a process for producing the above mechanically recyclable multi-layer laminate; and a packaging article made from the above mechanically recyclable multi-layer laminate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.