Polymer suitable for additive manufacturing
AssigneePoly-Med, Inc.
InventorsMichael Scott Taylor, Brian Gaerke, Michael Aaron Vaughn
Life of this patent
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Abstract
Polymers and formulated compositions are designed to have properties that allow their effective use in additive manufacturing processes, particularly for preparing articles wherein molten monofilament polymer is laid down on top of a previously deposited line of molten monofilament polymer.
Claims32
A kit comprising an assembly inside of a pouch, the assembly comprising a monofilament fiber wound around a spool, the monofilament fiber comprising a polyaxial polymer of a formula M(B)2 or M(B)3, where
- a) M is a copolymer comprising a plurality of repeating units, where at least 70 mol % of the repeating units in M are a polymerization product of at least one of trimethylene carbonate and epsilon-caprolactone;
- when
- b) B is a homopolymer or a copolymer comprising a plurality of repeating units, where at least 70 mol % of the repeating units in B are a polymerization product of at least one of glycolide and lactide;
- or where
- c) M comprises a plurality of repeating units, where at least 50 mol % of the repeating units in M are a polymerization product of at least one of trimethylene carbonate and epsilon-caprolactone;
- when
- d) B comprises a plurality of repeating units, where at least 50 mol % of the repeating units in B are a polymerization product of at least one of glycolide and lactide.
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An assembly comprising a monofilament fiber wound around a spool, the monofilament fiber comprising a polyaxial polymer of a formula M(B)2 or M(B)3, where (a) M is a copolymer comprising a plurality of repeating units, where at least 70 mol % of the repeating units in M are a polymerization product of at least one of trimethylene carbonate and epsilon-caprolactone, where B is a homopolymer or a copolymer and comprises a plurality of repeating units, where at least 70 mol % of the repeating units in B are a polymerization product of at least one of glycolide and lactide or where (b) M comprises a plurality of repeating units, where at least 50 mol % of the repeating units in M are a polymerization product of at least one of trimethylene carbonate and epsilon-caprolactone, where B comprises a plurality of repeating units, where at least 50 mol % of the repeating units in B are a polymerization product of at least one of glycolide and lactide.
A monofilament fiber selected from
- (a) a monofilament fiber comprising a polyaxial polymer of a formula M(B)2 or M(B)3, where M is a copolymer comprising a plurality of repeating units, where at least 70 mol % of the repeating units in M are a polymerization product of at least one of trimethylene carbonate and epsilon-caprolactone, where B is a homopolymer or a copolymer and comprises a plurality of repeating units, where at least 70 mol % of the repeating units in B are a polymerization product of at least one of glycolide and lactide
- (b) a monofilament fiber comprising a polymer, the polymer selected from a linear polymer of a formula M(B)2 and a triaxial polymer of a formula M(B)3, wherein M is a prepolymer comprising a plurality of repeating units, optionally having a Tg of less than 25° C., where M contributes at least 5 wt % of the total weight of the polymer, and where B is an end-graft polymer comprising a plurality of repeating units;
- (c) a monofilament fiber comprising a polymer, the polymer selected from a linear polymer of a formula M(B)2 and a triaxial polymer of a formula M(B)3, wherein B is an end-graft polymer comprising a plurality of repeating units, optionally having a Tg of less than 25° C., where B contributes at least 5 wt % of the total weight of the polymer, and where M is a prepolymer comprising a plurality of repeating units;
- and
- (d) a monofilament fiber comprising a polyaxial polymer of a formula M(B)2 or M(B)3, where M comprises a plurality of repeating units, where at least 50 mol % of the repeating units in M are a polymerization product of at least one of trimethylene carbonate and epsilon-caprolactone, where B comprises a plurality of repeating units, where at least 50 mol % of the repeating units in B are a polymerization product of at least one of glycolide and lactide.
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Dependencies are inferred from the claim text.