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US 2026/0145359 A1Published application
Method for modifying wood and products thereof
AssigneeRakauco Limited
InventorPaul Geoffrey DUNCAN
Life of this patent
Estimating the term…
Abstract
The invention relates to methods for preparing modified wood and wood products, including methods to fortify wood by increasing the strength and/or density of wood so as to yield a fortified wood or wood product. The methods can be used to, for example, improve the performance, alter the appearance, and/or improve the durability of wood, and particularly, solid wood. The methods comprise a combination of resin and thermal treatments to yield modified wood and modified wood products.
Claims21
1-24. (canceled)
A method of treating wood comprising:
- a) providing wood suitable for treating;
- b) maintaining the wood for a first period at a pressure of from less than 1 bar to about 0.7 bar;
- c) contacting the wood with an aqueous resin composition while the wood is at a pressure of from less than 1 bar to about 0.7 bar;
- d) maintaining the wood for a second period at a pressure of from more than 1 bar to about 15 bar;
- e) maintaining the wood for a third period at a pressure of from less than 1 bar to about 0.7 bar;
- and
- f) heating the wood by
- i. maintaining the wood for a first heating period at a temperature of from about 70° C. to about 320° C.;
- ii. optionally maintaining the wood for a second heating period at a temperature of from about 70° C. to about 320° C.;
- iii. maintaining the wood for a further heating period at a temperature of from about 70° C. to about 320° C.
7 more elements
Dependencies are inferred from the claim text.