权利要求:
CLAIMS
1. A toy building element made of a biopolymeric material.
2. The toy building element according to claim 1, wherein the toy building element is manufactured by processing of a resin comprising a bio-based polymer and/or a hybrid bio-based polymer and/or a recycled polymer.
3. The toy building element according to claim 2, wherein the toy building element is manufactured by injection moulding and/or additive manufacturing of a resin comprising a bio-based polymer and/or a hybrid bio-based polymer and/or a recycled polymer.
4. The toy building element according to any one of claims 2 or 3, wherein the bio-based polymer is selected from the group consisting of polylactic acid (PLA), polyethylene (PE), polypropylene (PP), polyglycolic acid (PGA), poly(lactide-co-glycolide) (PLGA), polybutylene succinate (PBS), polytrimethylene furandicarboxylate (PTF), polyhydroxybutyrate (PHB), polyhydroxyvalerate (PHV), poly(hydroxybutyrate- hydroxyvalerate) (PHBV), polyamide (PA), polyester amide (PEA), polyethylene furanoate (PEF), polyebutylene furanoate (PBF), polyethylene terephthalate (PET), polyethylene terephthalate glycol-modified (PETG), polyethylene terephthalate - isophthalic acid copolymer (PET-IPA), polyethylene terephthalate naphthalene (PETN), polybutylene terephthalate (PBT), polytrimethylene terephthalate (PTT), thermoplastic polyurethane (TPU), cellulose acetate (CA), thermoplastic starch (TPS),
diphenylisosorbide, polyvinyl acetate (PVA) and polymethyl methacrylate (PMMA).
5. The toy building element according to any one of claims 2 or 3, wherein the hybrid bio-based polymer is selected from the group consisting of poly(lactide-co- glycolide) (PLGA), polybutylene succinate (PBS), polytrimethylene furandicarboxylate (PTF), polyamide (PA), polyester amide (PEA), polyethylene furanoate (PEF), polyebutylene furanoate (PBF), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polytrimethylene terephthalate (PTT), thermoplastic polyurethane (TPU), diphenylisosorbide, acrylonitrile butadiene styrene (ABS), polyethylene terephthalate glycol-modified (PETG), polyethylene terephthalate - isophthalic acid
copolymer (PET-IPA), polyethylene terephthalate naphthalene (PETN), polybutyrate adipate terephthalate (PBAT) and styrene-ethylene-butylene-ethylene (SEBS).
6. The toy building element according to any one of claims 2 or 3, wherein the recycled polymer is selected from the group consisting of polylactic acid (PLA), polyethylene (PE), polypropylene (PP), polyglycolic acid (PGA), poly(lactide-co-glycolide) (PLGA), polybutylene succinate (PBS), polytrimethylene furandicarboxylate (PTF), polyhydroxybutyrate (PHB), polyhydroxyvalerate (PHV), poly(hydroxybutyrate- hydroxyvalerate) (PHBV), polyamide (PA), polyester amide (PEA), polyethylene furanoate (PEF), polyebutylene furanoate (PBF), polytrimethyle furanoate (PTF), polyethylene terephthalate (PET), polyethylene terephthalate glycol-modified (PETG), polyethylene terephthalate - isophthalic acid copolymer (PET-IPA), polyethylene terephthalate naphthalene (PETN), polybutylene terephthalate (PBT), polytrimethylene terephthalate (PTT), thermoplastic polyurethane (TPU), modified Thermoplastic olefin (mTPO), cellulose acetate (CA), thermoplastic starch (TPS), diphenylisosorbide, polyvinyl acetate (PVA), polymethyl methacrylate (PMMA), acrylonitrile butadiene styrene (ABS), polybutyrate adipate terephthalate (PBAT), styrene-ethylene-butylene-ethylene (SEBS), polycarbonate (PC), polyoxymethylene (POM) and polyketone (PK).
7. The toy building element according to any one of claims 2 to 6, wherein the amount of bio-based polymer in the resin is at least 25% (w/w) based on the total weight of the resin.
8. The toy building element according to any one of claims 2 to 7, wherein the amount of hybrid bio-based polymer in the resin is at least 25% (w/w) based on the total weight of the resin.
9. The toy building element according to any one of claims 2 to 8, wherein the amount of recycled polymer in the resin is at least 25% (w/w) based on the total weight of the resin.
10. The toy building element according to any one of the preceding claims, wherein the content of bio-based carbon per total carbon content in the resin is at
least 50%, such as at least 60%, for example at least 70%, preferably at least 80%, more preferred at least 90%.
11. The toy building element according to any one of the preceding claims, wherein the toy building element is of the LEGO®-size or the LEGO® DUPLO®- size.
12. The toy building element according to any one of the preceding claims, wherein the elastic modulus of the biopolymeric material is at least 1500 MPa, preferably at least 2000 MPa when measured according to ISO 527
13. A method for the manufacture of a toy building element comprising the steps of
a) providing a resin comprising at least one bio-based polymer and/or at least one hybrid bio-based polymer and/or a recycled polymer, and
b) processing said resin.
14. The method according to claim 13, wherein the bio-based polymer is selected from the group consisting of polylactic acid (PLA), polyethylene (PE), polypropylene (PP), polyglycolic acid (PGA), poly(lactide-co-glycolide) (PLGA), polybutylene succinate (PBS), polytrimethylene furandicarboxylate (PTF), polyhydroxybutyrate (PHB), polyhydroxyvalerate (PHV), poly(hydroxybutyrate-hydroxyvalerate) (PHBV), polyamide (PA), polyester amide (PEA), polyethylene furanoate (PEF), polyebutylene furanoate (PBF), polyethylene terephthalate (PET), polyethylene terephthalate glycol-modified (PETG), polyethylene terephthalate - isophthalic acid copolymer (PET-IPA), polyethylene terephthalate naphthalene (PETN), polybutylene terephthalate (PBT), polytrimethylene terephthalate (PTT), thermoplastic polyurethane (TPU), cellulose acetate (CA), thermoplastic starch (TPS), diphenylisosorbide, polyvinyl acetate (PVA) and polymethyl methacrylate (PMMA).
15. The method according to any one of claims 13 or 14, wherein the amount of bio-based polymer in the resin is at least 25% (w/w) based on the total weight of the resin.
16. The method according to any one of claims 13 to 15, wherein the hybrid bio based polymer is selected from the group consisting of poly(lactide-co-glycolide) (PLGA), polybutylene succinate (PBS), polytrimethylene furandicarboxylate (PTF), polyamide (PA), polyester amide (PEA), polyethylene furanoate (PEF), polyebutylene furanoate (PBF), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polytrimethylene terephthalate (PTT), thermoplastic polyurethane (TPU),
diphenylisosorbide, acrylonitrile butadiene styrene (ABS), polyethylene terephthalate glycol-modified (PETG), polyethylene terephthalate - isophthalic acid copolymer (PET IPA), polyethylene terephthalate naphthalene (PETN), polybutyrate adipate
terephthalate (PBAT), thermoplastic polyurethane (TPU) and styrene-ethylene-butylene- ethylene (SEBS).
17. The method according to any one of claims 13 to 16, wherein the amount of hybrid bio-based polymer in the resin is at least 25% (w/w) based on the total weight of the resin.
18. The method according to any one of claims 13 to 17, wherein the recycled polymer is selected from the group consisting of polylactic acid (PLA), polyethylene (PE), polypropylene (PP), polyglycolic acid (PGA), poly(lactide-co-glycolide) (PLGA), polybutylene succinate (PBS), polytrimethylene furandicarboxylate (PTF),
polyhydroxybutyrate (PHB), polyhydroxyvalerate (PHV), poly(hydroxybutyrate- hydroxyvalerate) (PHBV), polyamide (PA), polyester amide (PEA), polyethylene furanoate (PEF), polyebutylene furanoate (PBF), polytrimethyle furanoate (PTF), polyethylene terephthalate (PET), polyethylene terephthalate glycol-modified (PETG), polyethylene terephthalate - isophthalic acid copolymer (PET-IPA), polyethylene terephthalate naphthalene (PETN), polybutylene terephthalate (PBT), polytrimethylene terephthalate (PTT), thermoplastic polyurethane (TPU), modified Thermoplastic olefin (mTPO), cellulose acetate (CA), thermoplastic starch (TPS), diphenylisosorbide, polyvinyl acetate (PVA), polymethyl methacrylate (PMMA), acrylonitrile butadiene styrene (ABS), polybutyrate adipate terephthalate (PBAT), styrene-ethylene-butylene-ethylene (SEBS), polycarbonate (PC), polyoxymethylene (POM) and polyketone (PK).
19. The method according to any one of claims 13 to 18, wherein the amount of recycled polymer in the resin is at least 25% (w/w) based on the total weight of the resin. 20. The method according to any one of claims 13 to 19, wherein the toy building element is manufactured by injection moulding and/or additive manufacturing of the resin comprising at least one bio-based polymer and/or at least one hybrid bio-based polymer and/or a recycled polymer.