Polymerization methods
AssigneeNorth Carolina State University
InventorsFelix N. Castellano, Nancy Awwad, Anh Thy Bui
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Abstract
Disclosed herein are methods of forming (co)polymers from polymerizable compositions, the methods comprising irradiating the polymerizable compositions with light, wherein the polymerizable compositions comprise a polymerization initiator having an absorption band and exhibiting triplet-triplet annihilation up-conversion and a monomer. Also disclosed herein are methods of additive manufacturing using the methods of forming (co)polymers described herein.
Claims22
A method of forming a (co)polymer from a polymerizable composition, the method comprising:
- irradiating the polymerizable composition with light,
- wherein the polymerizable composition comprises:
- a polymerization initiator having an absorption band and exhibiting triplet-triplet annihilation up-conversion;
- and
- a monomer;
- and
- wherein irradiating the polymerizable composition causes the polymerization initiator to undergo triplet-triplet annihilation up-conversion to induce polymerization of the monomer.
A method of forming a (co)polymer from a polymerizable composition, the method comprising:
- irradiating the polymerizable composition with light,
- wherein the polymerizable composition comprises:
- a polymerization initiator having an absorption band and exhibiting triplet-triplet annihilation up-conversion;
- a reversible addition-fragmentation chain transfer (RAFT) agent;
- and
- a monomer;
- and
- wherein irradiating the polymerizable composition causes the polymerization initiator to form a radical that induces reversible addition-fragmentation chain transfer (RAFT) polymerization of the monomer.
Dependencies are inferred from the claim text.