Patent · US Active

Protective films made of polyolefin support material, primer and radiation-crosslinkable hot melt adhesive

US12305090B2 · kind B2 · utility

0Cited by

9References

16Claims

0Family size

Assignee

BASF SE

Inventors

Dirk Wulff · Schifferstadt, DE
Holger Kern · Kirchardt, DE
Matthias Gerst · Maikammer, DE
Christoph Kiener · Hersbruck, DE

Key dates

Filing date	Sep 28, 2018
Grant date	May 20, 2025
Priority date	—
Expiry date	Oct 8, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09J2475/003
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Described herein is a protection film comprising a polyolefin carrier material, a precoating of the polyolefin carrier material with a primer selected from polyurethane dispersions and a pressure-sensitive adhesive layer of a radiation-crosslinked hotmelt adhesive. A process for producing such protection films is also described.

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