Siloxane coating process for carbon or graphite substrates

Details Siloxane coating process for carbon or graphite substrates Siloxane coating process for carbon or graphite substrates

1992-12-28

1994-10-25

Owens, Terry J.

Coating processes

With post-treatment of coating or coating material

Heating or drying

428408, 428391, 528 33, B32B 900

Patent

active

053587472

ABSTRACT:
A polymer-coated carbon is coated with an aromatic polysiloxane liquid coating solution polymerized to have non-linear, ladder-like silicon to oxygen bonding. Carbon fiber or fabric coated with aromatic polysiloxane liquid polymer provides enhanced thermal protection and oxidative stability. The aromatic polysiloxane liquid polymer-coated carbon preferably includes a non-linear, ladder-like aromatic polysiloxane polymer-coated carbon such as provided by polyphenyl-siloxane polymer having the general formula R.sub.n SiO.sub.(4-n)/2, wherein R comprises phenyl radical, and n has an average value of about 0.95 to 1.05.

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