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US 11,530,299 B2Granted
Biological ink
AssigneeJf Polymers (Suzhou) Co., Ltd.
InventorsXiaofan Luo, Menglong Hu
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Abstract
The present application relates to a composition, which comprises: (a) a photopolymerizable substance; (b) a thiol; (c) a photoinitiator; (d) a thermosensitive polymer; and (e) water, and can be used as a bio-ink for preparing a bio-hydrogel for direct-writing 3D printing. The present invention further relates to a method for preparing the composition, and a direct-writing 3D printing method using the composition.
Claims36
A composition, comprising:
- (a) a photopolymerizable substance;
- (b) a thiol;
- (c) a photoinitiator;
- (d) a thermosensitive polymer;
- and
- (e) water
- wherein the photopolymerizable substance is a monomer, an oligomer, or a polymeric long-chain substance, and wherein the monomer, oligomer or polymeric long-chain substance may be used to form one or more of the following polymers:
- polylactic acid, polyglycolide, polyvinyl alcohol, polyethylene glycol, polypropylene oxide, poloxamer, polyorthoester, polyanhydride, polyhydroxy acid, polydioxanone, polycarbonate, polyvinyl pyrrolidone, poly(2-ethyl-2-oxazoline), cellulose, polypeptide, heparin ethylphthalate, chondroitin sulfate, alginic acid, or copolymers containing one or more of the above polymer chain segments,
- wherein the composition is homogeneous and
- wherein the photopolymerizable substance, thiol, photoinitiator, and thermosensitive polymer are biocompatible.
7 more elements
Dependencies are inferred from the claim text.