Packaged pre-adhesive composition including a polylactic acid-containing packaging material, adhesives, and articles
US10759980B1 · kind B1 · utility
2Cited by
36References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2016 |
| Grant date | Sep 1, 2020 |
| Priority date | — |
| Expiry date | Oct 20, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2467/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A polymerizable pre-adhesive composition includes packaging material and a packaged pre-adhesive reactive mixture sealed within the packaging material. The packaging material includes: a semicrystalline polylactic acid (PLA); a polyvinyl acetate (PVAc); and a plasticizer; wherein the PLA/PVAc-containing packaging material has a single Tg of less than 25° C. and a normalized Haze value of less than 10% per 25 microns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.