Coating apparatus

Details Coating apparatus Coating apparatus

1996-06-07

1998-10-27

Lamb, Brenda A.

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118419, B05C 302

Patent

active

058273697

ABSTRACT:
Disclosed is a coating die for coating a web with a solution, wherein the web is conveyed in a predetermined direction so as to run in the vicinity of the coating die; comprising;
a body forming the coating die,
a coating surface provided on the body at a position close to the running web;
a solution chamber provided in the body;
a feeding conduit provided in the body, wherein the solution is fed from the outside of the body to the solution chamber through the feeding conduit;
a slit provided in the body so as to connect the solution chamber and the coating surface, wherein the solution is fed from the solution chamber to the coating surface through the slit, and then the solution is transferred from the coating surface to the running web;
a dry surface provided on the body and positioned upstream of the coating surface in terms of the web-running direction; and
a polymer layer formed on at least one of (1) the dry surface, (2) an internal surface of the slit, and (3) internal surfaces of the solution chamber and the feeding conduit, the polymer layer containing a polymer prepared by polymerizing a silane coupling agent having a fluorine containing alkyl group.

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