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US 2026/0265503 A1Published application
Wad for cartridges with characteristics of biodegradability in soil
AssigneeLb Plast S.R.L.
InventorsTommaso GUAZZINI, Luca LANDINI, Francesco SANDIAS
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Abstract
A wad for cartridges with characteristics of biodegradability in soil, produced with a mixture of biodegradable materials, the materials including poly(butylene succinate) (PBS) and poly(butylene adipate terephthalate) (PBAT), and the wad further including thermoplastic maize starch (TPS), previously obtained by extrusion of native maize starch with a plasticiser.
Claims8
1-10. (canceled)
A wad for cartridges with characteristics of biodegradability in soil, the wad comprising:
- a mixture of biodegradable materials, said mixture consisting of poly(butylene succinate) (PBS), poly(butylene adipate terephthalate) (PBAT) and thermoplastic maize starch (TPS), wherein said mixture comprises from 8 to 65% by weight of PBS, from 12 to 50% by weight of PBAT and up to a maximum of 80% by weight of TPS.
Dependencies are inferred from the claim text.