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US 2026/0275095 A1Published application
Butene (co)polymer-based sealing material for container closures
AssigneeACTEGA GmbH
InventorsDany Mängel, Mattias Kern
Life of this patent
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Abstract
A container closure, in particular vacuum turn-lock closure, comprising a sealing element that contains or consists of a polymer compound (without PVC). The polymer compound comprises at least one polybutene-based polymer; at least one polymer that is derived from at least partially 1,2-linked isobutylene monomers; at least one (co)PP-based polymer, and optionally other components and additives.
Claims19
A vacuum turn-lock closure comprising a sealing element that includes a polymer compound without PVC, wherein the polymer compound comprises:
- at least one polybutene-based copolymer;
- at least one polymer that is derived from at least partially 1,2-linked isobutylene monomers;
- and
- at least one (co)PP-based polymer
1 more element
Dependencies are inferred from the claim text.