Method for producing an object by melting a polymer powder in a powder sintering device
AssigneeArkema France
InventorsBenoît Brule, Nadine Decraemer
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Abstract
A graft copolymer comprising: a core polymer comprising a crosslinked or non-crosslinked polysaccharide, a plurality of primary graft polymers covalently grafted to the core polymer, a plurality of secondary graft polymers covalently grafted to each primary graft polymer, an injectable dermal aesthetic formulation comprising such a graft copolymer and a method of preparing such a graft copolymer.
Claims10
1-5. (canceled)
A composition comprising a semicrystalline polymer having a viscosity of between 800 and 20,000 Pa·s, the viscosity measurements being carried out in a plate-plate rheometer device at a stress frequency of less than 5 rad/s, said composition being supercooled to a temperature T below the melting temperature after exposure to a temperature Tmax above its melting point, wherein the composition is configured for use in a device for manufacturing objects by melting polymer powders.
Dependencies are inferred from the claim text.