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US 2009/0155485 A1Published application
Rapid curing wood putty based on frontal polymerization
OwnerCharles E. Hoyle, John A. Pojmaninventors
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Abstract
The present invention provides a method for rapidly curing wood putty utilizing frontal polymerization. The reaction is initiated with UV light, and a reaction front propagates through the putty, completing the cure in seconds. A depth of cure of more than 1 cm deep of the wood putty is rapidly achieved.
Claims16
A method for repairing a wood defect comprising:
- a) applying to the wood defect a wood putty comprising:
- a multifunctional acrylate, a thermal initiator, a photoinitiator, and a filler wherein the filler comprises clay or calcium carbonate and the filler comprises about 50% or more of the wood putty;
- and
- b) exposing the wood putty to UV light effective to cure the wood putty in less than five minutes.
1 more element
Dependencies are inferred from the claim text.