Scalable production of processable dried nanomaterials and superhydrophobic surfaces from cellulose nanomaterials
OwnerAlexander Wei, Tae Hoo Chang +1inventors
InventorsAlexander Wei, Tae Hoo Chang, Miran Mavlan
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Abstract
The present disclosure generally relates to a process for manufacturing a processable dried cellulose nanomaterial using a co-solvent of tert-butyl alcohol (TBA), of which unique physical/chemical properties enable facile modification/derivatization. This present disclosure also relates to materials and process of generating of superhydrophobic surface coating using hydrophobic carboxylic acid modified cellulose nanofibers. Both the processes and the products thereof are within the scope of this disclosure.
Claims19
A process for manufacturing a processable dried cellulose nanomaterial comprising the steps of
- a. obtaining common cellulose nanomaterial;
- b. dispensing said common cellulose nanomaterial in a co-solvent to afford an aqueous suspension;
- and
- c. freeze drying said aqueous suspension to afford said processable dried cellulose nanomaterial.
-20. (canceled)
A superhydrophobic nanomaterial manufactured according to the process of
- a. preparing a processable dried cellulose nanomaterial;
- wherein said processable dried cellulose nanomaterial can be facilely physically processed and/or chemically modified by solvent-free mechanochemistry;
- b. adding a hydrophobic agent and an activating agent;
- and
- c. effecting a coupling reaction between said hydrophobic agent and said processable dried cellulose nanomaterial by dry milling to afford said superhydrophobic nanomaterial.
Dependencies are inferred from the claim text.