Catalytic film polymerization of acetylene

Details Catalytic film polymerization of acetylene Catalytic film polymerization of acetylene

1986-10-31

1988-05-17

Schofer, Joseph L.

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

Synthetic resins

Polymerizing in reactor of specified material, or in reactor...

526 88, 526285, 526901, 422131, 422136, 427301, C08F 202, C08F 3802

Patent

active

047451637

ABSTRACT:
An apparatus for producing a polyacetylene film by contacting acetylene gas with Ziegler-Natta catalyst to polymerize the acetylene gas in a vessel which comprises a catalyst introduction conduit to be introduced with the Ziegler-Natta catalyst provided at a cap provided at the top of the vessel and having an end opening disposed in the vicinity of the inner surface of the side wall of the vessel in such a manner that the conduit and the vessel are relatively moved in rotation, and a rotary transmission mechanism for driving to rotatably coat the catalyst flowed out from the end opening of the conduit on the inner surface of the bottom from the inner surface of the side wall of the vessel. Thus, the polyacetylene film can be produced in a uniform thickness and in a relatively large area by introducing the Ziegler-Natta catalyst of the suitable quantity, and the catalyst can be spread over the entire surface rapidly by the relative rotation between the conduit and the vessel.

REFERENCES:
patent: 2743264 (1956-04-01), Buselli et al.
patent: 2935495 (1960-05-01), Kennedy
patent: 3061601 (1962-10-01), Watt
patent: 4544343 (1985-10-01), Hide
patent: 4553919 (1985-11-01), Hide
patent: 4675137 (1987-06-01), Umetsu

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