Packaging materials for aerosol delivery products and aerosol delivery products containing the same

Abstract

According to the present disclosure, a packaging material is provided that is well suited for use with aerosol delivery products, such as non-burning heatable sticks. The packaging material of the present disclosure includes a substrate web made of cellulose fibers combined with filler material particles. The substrate web can be coated on at least one side with an air permeability reducing composition or treated with a flame retardant salt. The substrate web is configured to have a predetermined basis weight, bulk, and air permeability to create a low flammability aerosol delivery product.

Claims

1. Packaging material for non-combustion heating sticks, A base web containing cellulose fibers and a flame-retardant filler, comprising a base web having a first surface and a second surface opposite to it, The flame-retardant filler is contained in the base web in an amount of more than 18% by weight and less than 55% by weight. The aforementioned base web is a packaging material having a bulk weight of less than 1.7 cc / g, a basis weight of 45 to 85 gsm, and an air permeability of less than 55 mL / min.

2. The packaging material according to claim 1, A packaging material wherein a coating containing an air permeability reducing composition is formed on the first surface of the base web.

3. A packaging material according to claim 1 or 2, The aforementioned flame-retardant filler material is a packaging material containing silicate particles or clay particles.

4. The packaging material according to claim 1, The aforementioned flame-retardant filler material is a packaging material containing kaolin particles.

5. The packaging material according to claim 1, The aforementioned flame-retardant filler material is a packaging material containing aluminum hydroxide particles.

6. A packaging material according to any one of claims 1 to 5, The flame-retardant filler material is a packaging material having an average particle size of 0.1 to 30 μm or 2 to 15 μm.

7. A packaging material according to any one of claims 1 to 6, The aforementioned base web is a calendered packaging material.

8. A packaging material according to any one of claims 1 to 7, The base web is a packaging material having a bulk of less than 1.3 cc / g or less than 1.1 cc / g.

9. A packaging material according to any one of claims 1 to 8, The base web is a packaging material having an air permeability of less than 30 mL / min, less than 20 mL / min, less than 15 mL / min, less than 10 mL / min, or less than 5 mL / min.

10. A packaging material according to any one of claims 1 to 9, The aforementioned base web is a packaging material having a basis weight of 40 to 80 gsm.

11. The packaging material according to claim 2, A packaging material wherein the coating containing the air permeability reducing composition is formed continuously and covers more than 20% of the surface area of ​​the first surface of the substrate web.

12. The packaging material according to claim 2, The substrate web on which the coating is formed has an air permeability of less than 20 mL / min, less than 15 mL / min, less than 10 mL / min, or less than 5 mL / min as a packaging material.

13. A packaging material according to claim 2 or 12, The coating is a packaging material having a basis weight of 0.5 to 10 gsm in the region where the coating is formed.

14. A packaging material according to claim 2, 12, or 13, The air permeability reducing composition comprises microcrystalline cellulose, alginate, starch, carboxymethylcellulose, or any combination thereof, in a packaging material.

15. A packaging material according to any one of claims 1 and 6 to 14, The aforementioned base material web has a basis weight of 45 to 75 gsm. The aforementioned flame-retardant filler material is a packaging material comprising kaolin particles, aluminum hydroxide particles, or a combination thereof.

16. A packaging material according to any one of claims 1 to 15, The packaging material in question is a single-layer packaging material.

17. A packaging material according to any one of claims 1 to 15, The packaging material comprises multiple layers, The base web is a packaging material that constitutes one of the plurality of layers.

18. A packaging material according to any one of claims 1 to 17, A packaging material further containing a phosphorus-based flame retardant.

19. The packaging material according to claim 18, The phosphorus-based flame retardant is impregnated into the base material web as a packaging material.

20. The packaging material according to claim 2, The aforementioned coating is a packaging material further containing a phosphorus-based flame retardant.

21. A packaging material according to any one of claims 18 to 20, The phosphorus-based flame retardant is a packaging material comprising sodium phosphate, potassium phosphate, ammonium phosphate, or any combination thereof.

22. Packaging material for non-combustion heating sticks, A base web containing cellulose fibers and a filler material, the base web having a first surface and a second surface opposite to it, A coating formed on the first surface of the substrate web, the coating comprising an air permeability reducing composition and a phosphorus-based flame retardant, The filling material is contained in the base web in an amount of more than 18% by weight and less than 55% by weight. The aforementioned base web is a packaging material having a bulk weight of less than 1.7 cc / g, a basis weight of 45 to 85 gsm, and an air permeability of less than 55 mL / min.

23. Aerosol delivery product, A column of aerosol-generating material, A packaging material according to any one of claims 1 to 22, An aerosol delivery product in which the column of the aerosol generating material is wrapped in the packaging material.

24. The aerosol delivery product according to claim 23, The aerosol-generating material is an aerosol-delivering product containing tobacco.

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