Ultraviolet light curing compositions for composite repair

Details Ultraviolet light curing compositions for composite repair Ultraviolet light curing compositions for composite repair

2006-12-05

2006-12-05

McClendon, Sanza L. (Department: 1711)

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Polymerizing, cross-linking, or curing

C264S495000, C264S500000, C264S511000, C264S516000, C522S081000, C522S104000, C522S100000, C522S182000, C522S025000, C522S028000, C428S413000, C428S414000, C428S418000, C428S668000, C428S426000, C428S441000

Reexamination Certificate

active

07144544

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 Tgabove 150° C.

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