Novel method for production of new TEMPO (2,2,6,6-tetramethylpiperidine-1-oxyradical) celloulose membranes with low contact angles.


Technology # 17-20


Cellulose Membranes as Revolutionary New Packaging Material


With publications growing dramatically since 2009, the intelligent packaging field of research has shown promise to produce products that can be the future of the packaging industry. Bio-polymers and plastics made from naturally occurring biological material, such as cellulose, have especially peeked interest in the intelligent packaging industry.  One of the problems with traditional packaging is the disposal of packaging material, which is creating increasing problems in the environment and higher costs to dispose of in landfills.


Two new forms of cellulose have been developed with superior properties that make them attractive for use in several applications, including as a packaging material. Both of the new materials are made from cellulose a natural material found in all plants.  One of the new forms of cellulose will completely biodegrade in the environment, making it an excellent choice as a packaging material.  Other properties and uses of the new cellulose sheets include medical applications in certain surgical procedures, and also as a material that can be used in clothing, filter paper, tissue paper and paper towels.  It also has application in research where it can be used as a support or backing for cell growth.




* Combination of TEMPO oxidized cellulose form-I and form-II will useful as novel materials for commercial packaging materials.

* In the biomedical industry this product can be used as a support or backing for cell growth

* The tempo oxidized material can be used as an additive for membrane synthesis as well as forming gas barrier membranes in their free standing form

* This catalytic reaction of cellulose can effective be used to modify traditional cellulose into a higher value product



While most green polymers or bio-plastics claim to be green and environmentally friendly, research has found that a lot of the claims of biodegradability and environmentally friendly are indeed false. Our new material show value as a strong, modifiable, barrier material. While still maintaining the crystalline structure of cellulose. Leaving this material almost identical to the biologically inert plants in which the novel material is derived.




In this present protocol we have developed a novel environmentally friendly method that uses stoichiometric amounts of oxone, and catalytic amounts of TEMPO/NaOCl. In this present synthesis of TEMPO oxidized cellulose no aldehyde side products remain in the oxidized cellulose carboxylate products and depolymerization of cellulose chains caused by βelimination is avoided. These TEMPO oxidized cellulose products form-I and form-II combinations are useful in the development of cellulose nano-films via two different methods, casting through filtration, and the wet casting method.



This invention/technology is available for licensing.

For interested parties seeking further information, feel free to contact:

Mark Allen Lanoue

Technology Manager / Tech Ventures

University of Arkansas

(479) 575-7243


Patent Information:
For Information, Contact:
Mark Lanoue
Technology Manager
University of Arkansas
Jamie Hestekin
John Moore
Peter Crooks
Soma Dachavaram
Narsimha Penthala
Shobanbabu Bommagani
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