Packaging materials
The use of a palladium-doped zeolite for the adsorption of volatile organic compounds is described wherein the zeolite has a CHA framework type and is polymer-bound. Such zeolites have been found to have particular utility as packaging materials for the adsorption of volatile organic compounds, such as those originating from organic matter.
1. A packaging material for the adsorption of volatile organic compounds, wherein the packaging material comprises a coating on its surface, and wherein the coating comprises a polymeric binder and particles of a palladium-doped zeolite with a CHA framework type, wherein the packaging material is a lid for a container.
2. The packaging material according to claim 1 , wherein the packaging material is a bottle lid.
3. The packaging material according to claim 1 , wherein the packaging material is a lid of a clamshell box.
4. A packaging material for the adsorption of volatile organic compounds, wherein the packaging material comprises a coating on its surface, and wherein the coating comprises a polymeric binder and particles of a palladium-doped zeolite with a CHA framework type, wherein the packaging material is a strip.
5. The packaging material according to claim 4 , wherein the packaging material is a strip comprising high-density spunbound polyethylene fibers.
6. The packaging material according to claim 1 , wherein the zeolite comprises 0.2 to 2 wt % palladium based on the total weight of doped zeolite.
7. The packaging material according to claim 1 , wherein the zeolite has a silica to alumina molar ratio (SAR) of less than or equal to 100:1.
8. A packaging structure comprising the packaging material according to claim 1 .
9. The packaging material according to claim 4 , wherein the zeolite comprises 0.2 to 2 wt % palladium based on the total weight of doped zeolite.
10. The packaging material according to claim 4 , wherein the zeolite has a silica to alumina molar ratio (SAR) of less than or equal to 100:1.
11. A packaging structure comprising a packaging material according to claim 4 .