Patents Assigned to Texas Research Institute, Inc.
  • Ultraviolet light curing compositions for composite repair
    Patent number: 7291656
    Abstract: An ultraviolet (UV) light curable formulation useful for repairing composite materials, comprising: an acrylic oligomer, an acrylic monomer, and a photoinitiator. This formulation may include fiberglass. The photoinitiator can be a combination of a bis-acylphosphine oxide and an alpha hydroxy ketone. The formulation can cure rapidly, such as in about 20 minutes. The cured formulation can have a Tg above 150° C.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: November 6, 2007
    Assignee: Texas Research Institute, Inc.
    Inventors: John W. Bulluck, Brad A. Rix