Polymerizable composition for dental tooth and material 3d printing
OwnerJeffrey W. Stansbury, Matthew D. Barros +1inventors
InventorsJeffrey W. Stansbury, Matthew D. Barros, Steven J. Sadowsky
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Abstract
Polymerizable resin compositions and methods are provided for preparing shaped parts such as dental prosthetic devices and non-prosthetic dental appliances. The compositions are amenable to 3D printing and the polymerized compositions are capable of exhibiting improved strength properties, increased toughness, and good flexibility.
Claims25
A polymerizable resin composition comprising a PCL urethane meth)acrylate monomer, and an acidic monomer.
A PCL urethane (meth)acrylate monomer comprising a chemical structure according to Formula (I):
- wherein A=aliphatic, aromatic, alkoxyalkyl, alkoxy, hydroxyalkyl, or alkoxycarbonyl core structure;
- independently each n=0-12, wherein at least one n≠0;
- x=0-6;
- each m=1-5;
- each Z=CH3 or H;
- and Q=OH or OR, and wherein
A PCL tetraurethane di(meth)acrylate monomer according to Formula (IIa) or (IIb):
- wherein n=1 to 10, m=1 to 5, p=0 to 12, and z=H or CH3;
- optionally wherein n=1 to 5, m=1 to 3, p=1 to 6.
Dependencies are inferred from the claim text.