Process and apparatus for continuous coating of fibrous materials

摘要

A process and apparatus (50) for continuously depositing a coating on a fibrous material. The process is a chemical vapor deposition process that includes causing multiple strands (46) of a fibrous material to continuously travel through a coating zone within an enclosed chamber (44) defined by a housing (42) so that portions of the strands (46) contact a reactant gas as the portions travel through the chamber (44), directly heating the portions of the strands (46) without physically contacting the strands (46) and without directly heating the housing (42), and depositing a coating material on the strands (46) as a result of the reactant gas contacting the portions of the strands (46) and decomposing to form a coating of the coating material. Heating of the strands (46) can be achieved by capacitive coupling, inductive coupling, microwave radiation, and radiant heating.