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Wheat gluten based compositions and articles made therefrom

a technology of compositions and wheat gluten, applied in the field of wheat gluten based compositions and articles made therefrom, can solve the problems of difficult to predict the effect of a given addition or change on the process and/or the properties

Inactive Publication Date: 2016-11-10
R & D GREEN MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a composition made of wheat gluten, reinforcing fibrous material, and urea or lactic acid. This composition can be used to make wood composite materials that are formaldehyde-free. The reinforcing fibrous material can be mixed with water and wheat gluten, and then shaped and curved into a formed article. The resulting formed article has good strength and durability. The composition can also be used to reinforce other materials, such as cement or plastic.

Problems solved by technology

Due to the highly complex nature of proteins, it is difficult to predict what effect a given addition or change will have on the process and / or the properties of the resultant product, since the reactions involved are delicate and sensitive to minor changes in processing conditions and to minor changes to the process itself.

Method used

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  • Wheat gluten based compositions and articles made therefrom
  • Wheat gluten based compositions and articles made therefrom
  • Wheat gluten based compositions and articles made therefrom

Examples

Experimental program
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Effect test

examples 14-16

[0120]Three additional samples were made by first mixing the reinforcement fibers with water and then adding the wheat gluten powder. A Cuisinart® food processor was used to mix the ingredients. By adding the water to the fibers and blending BEFORE combining with the wheat gluten powder good adhesion of the gluten powder to the wood fibers is achieved. The gluten powder has a significantly higher density than the wood fibers. If the fibers are not wet first, the powder is more likely to fall to the bottom of the mixing bowl (or chamber), inhibiting formation of a homogeneous mixture. In traditional processes, the adhesive is a liquid and is applied directly to the fibers as they are being spun (e.g. in some kind of mixer or rotating drum). Here, water is used to convert the wheat gluten powder into an “adhesive” with a higher solids content than most adhesives. In these three cases, 65% (w / w) wood fibers and 35% (w / w) commercial wheat gluten were used. Other weight ratios are also p...

example 14

[0121]Ingredients that went into mixture: 36.46 g wood fibers supplied by Georgia Pacific, 15 mL deionized water, and 20.02 g commercial wheat gluten (Roquette Freres, Lestren, France)

[0122]Compression molding temp: 230 F

[0123]Load: 3-7 MPa

[0124]Total molding time: 15 minutes

example 15

[0125]Ingredients in mixture: 36.46 g wood fibers supplied by Georgia Pacific, 20 mL deionized water, and 20.02 g commercial wheat gluten (Roquette Freres, Lestren, France)

[0126]Compression molding temp: 230 F

[0127]Load: 3-7 MPa

[0128]Total molding time: 10 minutes

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Abstract

Disclosed herein are wheat gluten based compositions having improved mechanical properties as well as articles formed therefrom, and methods of making the same. More particularly, the compositions also include fibrous reinforcing material and may be formed into a variety of products, including but not limited to particle board.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation of U.S. patent application Ser. No. 13 / 490,428, filed on Jun. 6, 2012, which claims priority to U.S. provisional Patent Application Ser. No. 61 / 419,416, filed on Dec. 3, 2010, entitled WHEAT GLUTEN BASED COMPOSITIONS AND ARTICLES MADE THEREFROM, and is a continuation-in-part application of International Patent Application Serial No. PCT / US11 / 063282, filed on Dec. 5, 2011, of the same title, each of which is hereby incorporated by reference in its entirety.STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT[0002]This work was funded at least in part by National Science Foundation Phase II SBIR grant #0923863.BACKGROUND[0003]The present invention relates to wheat gluten based compositions, articles made therefrom, and methods for making the same. More particularly, the invention relates to low-density articles made from wheat gluten, reinforcing fibrous materials, and other optional components...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B27N3/00C08J5/04C08L97/02B27N3/02
CPCB27N3/002B27N3/02C08J5/045C08L2205/16C08J2397/02C08J2489/00C08L97/02C08L1/02C08J5/04C08K3/346C08K5/0016C08K5/04C08K5/053C08K5/09C08K5/092C08K5/21C08L89/00
Inventor WOERDEMAN, DARA L.
Owner R & D GREEN MATERIALS
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