Title:
METHOD FOR FORMING A HYDROPHOBIC LAYER
Document Type and Number:
WIPO Patent Application WO/2015/011364
Kind Code:
A3
Abstract:
The invention relates to a method for forming a film-forming hydrophobic layer on a substrate, which method includes: forming an aqueous suspension of cellulose nanofibers, CNF; forming, in water and with a water-immiscible solvent having an evaporation temperature below that of water, a cationic nanoemulsion of a substance forming covalent bonds with the cellulose; mixing the suspension and the nanoemulsion such as to produce a mixture resulting from an adsorption of said substance by the CNF; coating a substrate with said mixture; and proceeding to an annealing suitable for grafting said substance to the CNF.
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Inventors:
MISSOUM KARIM (FR)
BRAS JULIEN (FR)
BELGACEM NACEUR (FR)
BRAS JULIEN (FR)
BELGACEM NACEUR (FR)
Application Number:
PCT/FR2014/051797
Publication Date:
March 26, 2015
Filing Date:
July 11, 2014
Export Citation:
Assignee:
INST POLYTECHNIQUE GRENOBLE (FR)
International Classes:
D21H25/04; C03C17/00; C03C17/28; D06M13/00; D06M13/184; D06M13/248; D06M15/05; D21H17/00; D21H17/08; D21H17/09; D21H17/11; D21H17/14; D21H17/17; D21H17/25; D21H19/10; D21H19/14; D21H25/06
Domestic Patent References:
| WO2012085879A1 | 2012-06-28 | |||
| WO2008061003A1 | 2008-05-22 | |||
| WO2007088974A1 | 2007-08-09 |
Attorney, Agent or Firm:
CABINET BEAUMONT (Grenoble, Grenoble, FR)
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