Amorphous polypropylene based adhesive
US6677396B2 · kind B2 · utility
26Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2002 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Dec 23, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/24
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An adhesive composition comprises an amorphous polyalphaolefin, 50-90 wt %; a tackifier 10-40 wt %; a functionalised polypropylene trace-20 wt %; and optional further ingredients selected from stablisers, fillers and waxes; wherein the proportions of the amorphous polyalphaolefin, tackifier and functionalised polypropylene are selected to total 100%. A method of forming polypropylene packaging using the adhesive is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.