Process and apparatus for the direct and continuous modification

Details Process and apparatus for the direct and continuous modification Process and apparatus for the direct and continuous modification

1994-12-23

1995-10-17

Michl, Paul R.

Plastic article or earthenware shaping or treating: apparatus

Stock pressurizing means operably associated with downstream...

Including additional rotating means downstream of the...

425205, 425208, 4253824, 26421118, 26421123, 523351, B29C 4700, B29C 4710, B29C 4708

Patent

active

054584787

ABSTRACT:
A process and an apparatus for the direct, continuous and flexible modification of polymer melts by branching off a branch melt stream from the main melt stream to be modified, dispersing the initially introduced additive in the melt in a specially designed twin-screw extruder, and subsequent recycling of the additive melt concentrate to the melt stream to be modified.

REFERENCES:
patent: 3814779 (1974-06-01), Wiley
patent: 4793957 (1988-12-01), Lovegrove
patent: 4867927 (1989-09-01), Funaki et al.
Mack, Wolfgang A., "Continuous Compounding-Where Twin-Screws Fit," Plastics Technology, Feb. 1975, pp. 45-49.
Murray, Thomas A., "Here's Your Guide to Continuous Melt Compounding Machinery," Plastics Technology, Dec. 1978, pp. 65-72.

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