Patent · US Active

Both sides coated automotive paint compatible liner for structural adhesive film

US12384943B2 · kind B2 · utility

0Cited by

1References

15Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Stefan B. M. Luebbe · Essen, DE
Elisabeth Cura · Düsseldorf, DE
Kanta Kumar · Woodbury, US
Michael A. Semonick · White Bear Lake, US

Key dates

Filing date	Jun 28, 2019
Grant date	Aug 12, 2025
Priority date	—
Expiry date	Jul 3, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/1476
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

An adhesive film liner comprising (a) a polymeric layer having a first and a second surface, the second surface being opposed to the first surface; (b) a first release layer located on top of the first surface of the polymeric layer, the first release layer comprising at least one polyurethane acrylate oligomer and/or at least one polyurethane methacrylate oligomer; and (c) a second release layer located on top of the second surface layer of the polymeric layer, the second release layer comprising at least one acrylate polymer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.