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US 10,294,396 B2Granted
Post-curable rubber-based pressure-sensitive adhesive
Assignee3M Innovative Properties Company
InventorsSilke D. Mechernich, Mareike Richter, Pierre R. Bieber, Petra M. Stegmaier
Life of this patent
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Abstract
The present disclosure is directed to a curable precursor of a pressure sensitive adhesive comprising a) a (co)polymeric material comprising a rubber-based elastomeric material; b) a polyfunctional aziridine curing agent; and c) an acid generating agent. The present disclosure is also directed to a method of manufacturing such pressure sensitive adhesives and uses thereof.
Claims18
A curable precursor of a pressure sensitive adhesive comprising:
- a) a (co)polymeric material comprising a rubber-based elastomeric material;
- b) a polyfunctional aziridine curing agent;
- and
- c) an acid generating agent.
1 more element
A method of applying a pressure sensitive adhesive to a substrate, comprising the steps of:
- a) providing a curable precursor of a pressure sensitive adhesive comprising:
- i. a (co)polymeric material comprising a rubber-based elastomeric material;
- ii. a polyfunctional aziridine curing agent;
- and
- iii. optionally, an acid generating agent;
- b) applying the curable precursor of a pressure sensitive adhesive to at least part of the surface of the substrate;
- and
- c) curing the curable precursor of a pressure sensitive adhesive by allowing acid to be released into it.
5 more elements
Dependencies are inferred from the claim text.