Method of producing discontinuous coated glass fibers

Details Method of producing discontinuous coated glass fibers Method of producing discontinuous coated glass fibers

1992-08-10

1993-04-20

Lindsay, Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 6, 428228, 428364, 428378, C03C 2502, C03B 3704

Patent

active

052039005

ABSTRACT:
Discontinuous fibers are manufactured from a thermoplastic material having an elevated melting point by feeding molten thermoplastic material into a centrifugal chamber. The chamber includes a plurality of orifices through which the molten thermoplastic material is forced, thereby forming molten thermoplastic jets. Hot streams of gas are directed at these jets to convert the jets into thermoplastic fibers. Sizing agents including an emulsion or suspension in water, or an aqueous solution of active substances is sprayed onto the fibers. These sizing agents comprise no more than three active substances including a lubricating agent and an antistatic agent.

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