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# (19) United States 

# (12) Patent Application Publication Pellerite et al. 

# (54) METHOD OF COATING A SUBSTRATE WITH A FLUOROPOLYMER 

(75) Inventors: Mark J. Pellerite, Woodbury, MN (US); Steven J. Martin, Shoreview, MN (US); Rudolf J. Dams, Antwerp (BE) 

Correspondence Address: 3M INNOVATIVE PROPERTIES COMPANY PO BOX 33427 ST. PAUL, MN 55133-3427 (US) 

(73) Assignee: 3M Innovative Properties Company 

(21) Appl. No.: 10/741,357 

<img src='content_image/922727.jpg'>

US 20050136180Al 

# (10) Pub. No.: US 2005/0136180 Al 

# (43) Pub. Date: Jun. 23, 2005 

(22) Filed: Dec. 19, 2003 

(51) Int. CI.7 ....................................................... B05D 5/00 

(52) U.S. Cl. ....................... 427/162; 427/258; 427/430.1 

## (57) ABSTRACT 

A method for coating a substrate comprises: coating at least a portion of the substrate with a precursor composition comprising a liquid vehicle and at least one fluorinated organosilane; and contacting at least a portion of the coated substrate with a catalyst composition to provide a substrate having a crosslinked fluoropolymeric coating on at least a portion thereof. 

## Publication Classification 

