Title:
【発明の名称】固体材料を疎水性にするための処理方法、獲得される材料および応用
Document Type and Number:
Japanese Patent JP2001515103
Kind Code:
A
Abstract:
A solid material is treated, the chemical structure of which defines reactive protogenic hydrophillic functions accessible to gases, by applying at least one gas stream (3) onto at least one microdispersion (5) of at least one grafting reagent RX produced on the solid material, R being a hydrophobic group, X being chosen so that HX is volatile under normal conditions, R and X being chosen so that the reaction of RX on the hydrophillic functions produces covalent grafting of the hydrophobic group R with formation of the compound HX, it being possible for the reaction to be carried out in a solid/gas heterogeneous medium on all the reactive hydrophillic functions accessible to gases and only on these. The invention extends to the hydrophobic solid material obtained, and is applicable to the obtaining of natural or artificial fibrous or inorganic structures impermeable to water and to aqueous solutions and/or absorbing fats.
Inventors:
Saman, daniel
Application Number:
JP2000509516A
Publication Date:
September 18, 2001
Filing Date:
August 14, 1998
Export Citation:
Assignee:
Saman, daniel
International Classes:
B01J20/32; C03C17/00; C03C17/30; C09K3/00; C09K3/18; D06M13/188; D06M14/00; C08J7/16; D21H21/16; D21H23/70; (IPC1-7): C09K3/18; B01J20/32; C03C17/00; C08J7/16; D06M14/00; D21H23/70
Attorney, Agent or Firm:
Keiichi Ota