Patent ID: 9649617
Date: 2017-05-16
CPC Classifications: B01J,C08G,Y02P

Claim:
1. A continuous solid-state polymerization apparatus comprising: a feeder for continuously introducing prepolymers; a rotatable transverse reactor connected to the feeder via a first connector and receiving the prepolymers from the feeder to perform solid-state polymerization; a chamber connected to the transverse reactor via a second connector and receiving and discharging solid-state polymerized polymers from the transverse reactor; and a sealing member preventing leakage/inflow of gas and liquid from/into the first and second connectors, wherein the sealing member is a magnetic fluid seal, wherein the transverse reactor has a release coating film formed on an inner wall thereof, and the feeder, the transverse reactor and the chamber are under a vacuum.