Engineered wood adhesives and engineered wood product therefrom
AssigneeCargill, Incorporated
InventorsDavid Edward GARLIE, Flave Eugene MARKLAND, JR., Shuang ZHOU
Life of this patent
Estimating the term…
Abstract
According to various aspects of the instant disclosure, a multi-layer engineered wood product can include a first face layer, a second face layer, and a core layer disposed between the first face layer and the second face layer. At least one of the first face layer, the second face layer, and the core layer include a plurality of wood components and a reaction product of a binder reaction mixture dispersed about the plurality of wood components. The mixture of the wood components and binder reaction mixture has a moisture content in a range of 9 wt % to 20 wt %.
Claims27
-38. (canceled)
A method of making a multi-layer engineered wood product, the method comprising:
- (a) mixing:
- a polyol component comprising:
- glycerol;
- water;
- a base;
- optionally a tackifier;
- optionally, sodium trimetaphosphate;
- optionally sodium sulfite, sodium bisulfite, sodium metabisulfite, or a mixture thereof;
- and
- optionally borax;
- to produce a first mixture;
- (b) mixing the first mixture produced at (a) with a plurality of wood components to obtain a second mixture or mixing the first mixture produced at (a) with a polypeptide-containing component comprising a vegetable protein to obtain a third mixture;
- (c) mixing the second mixture produced at (b) with a polypeptide-containing component comprising a vegetable protein to form a fourth mixture or mixing the third mixture produced at (b) with a plurality of wood components to form a fifth mixture to form a first multi-layered engineered wood precursor;
- and
- (d) repeating (a)-(c) at least once to form a second multi-layered engineered wood precursor
- (e) stacking the first multi-layered engineered wood precursor and the second multi-layered engineered wood precursor with a third multi-layered engineered wood precursor, the third multi-layered engineered wood precursor, optionally, formed according to (a)-(c);
- and
- (f) curing the first multi-layered engineered wood precursor, second multi-layered engineered wood precursor, and third multi-layered engineered wood precursor.
A method of making a multi-layer engineered wood product, the method comprising:
- (a) mixing:
- a polyol component comprising:
- glycerol;
- water;
- a base;
- optionally a tackifier;
- optionally, sodium trimetaphosphate;
- optionally sodium sulfite, sodium bisulfite, sodium metabisulfite, or a mixture thereof;
- and
- optionally borax;
- to produce a first mixture;
- (b) mixing the first mixture produced at (a) with a plurality of wood components to obtain a second mixture or mixing the plurality of wood components with a polypeptide-containing component comprising a vegetable protein to obtain a third mixture;
- (c) mixing the second mixture produced at (b) with a polypeptide-containing component comprising a vegetable protein to form a fourth mixture or mixing the third mixture produced at (b) with the first mixture produced at (a) to form a fifth mixture to form a first multi-layered engineered wood precursor;
- and
- (d) repeating (a)-(c) at least once to form a second multi-layered engineered wood precursor
- (e) stacking the first multi-layered engineered wood precursor and the second multi-layered engineered wood precursor with a third multi-layered engineered wood precursor, the third multi-layered engineered wood precursor, optionally, formed according to (a)-(c);
- and
- (f) curing the first multi-layered engineered wood precursor, second multi-layered engineered wood precursor, and third multi-layered engineered wood precursor.
(canceled)
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-61. (canceled)
-79. (canceled)
-88. (canceled)
Dependencies are inferred from the claim text.