Room temperature curable fluoropolymer composition; and fluorine

Details Room temperature curable fluoropolymer composition; and fluorine Room temperature curable fluoropolymer composition; and fluorine

1997-09-19

1999-07-06

Dawson, Robert

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

528 28, 528 29, 528 26, 525104, 525474, C08G 7748

Patent

active

059198869

ABSTRACT:
A room temperature curable fluoropolymer composition is provided which comprises (A) a straight chain fluoropolymer compound containing, in its backbone chain, at least one structure selected from a perfluoroalkylene structure and a perfluoropolyether structure and having a hydrolyzable silyl group at both ends of its molecular chain, (B) an organic compound having at least one carbonyl group per molecule, and (C) one compound selected from (C-1) an organic compound having at least one primary amino group per molecule and (C-2) a compound having at least one proton per molecule and having an acid dissociation constant (pKa) in water of 2 or less. Another room temperature curable composition is also provided which comprises said (A) component, (B') an organosilicon compound having at least two silanol groups per molecule, and (C') a condensation accelerator. These compositions are not only excellent in heat resistance, weatherability, electrical properties, processability, chemical resistance, solvent resistance and oil repellant properties, but also excellent in fast curability and deep-portion curability. A novel compound which is suitable as said fluoropolymer compound (A) is further provided.

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patent: 5705586 (1998-01-01), Sato et al.
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