Functionalization of porous materials by vacuum deposition...

Details Functionalization of porous materials by vacuum deposition... Functionalization of porous materials by vacuum deposition...

2007-01-02

2007-01-02

Chen, Bret (Department: 1762)

Coating processes

Coating by vapor, gas, or smoke

Organic coating applied by vapor, gas, or smoke

C427S294000, C427S384000

Reexamination Certificate

active

10830608

ABSTRACT:
A porous substrate is pretreated in a plasma field and a functionalizing monomer is immediately flash-evaporated, deposited and cured over the porous substrate in a vacuum vapor-deposition chamber. By judiciously controlling the process so that the resulting polymer coating adheres to the surface of individual fibers in ultra-thin layers (approximately 0.02–3.0 μm) that do not extend across the pores in the material, the porosity of the porous substrate is essentially unaffected while the fibers and the final product acquire the desired functionality. The resulting polymer layer is also used to improve the adherence and durability of metallic and ceramic coatings.

REFERENCES:
patent: 6218004 (2001-04-01), Shaw et al.
patent: 6497780 (2002-12-01), Carlson
patent: 6599559 (2003-07-01), McGee et al.
patent: 2004/0028931 (2004-02-01), Bletsos et al.

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