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

1991-10-21

1994-12-27

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

26421118, 26421123, 264349, 4253823, 523348, 523351, 524413, 524497, C08J 320, C08K 322, B29B 784, B29C 4774

Patent

active

053767020

ABSTRACT:
A process and an apparatus for the direct, continuous and flexible modification of polymer melts by branching off a brand 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: 4182601 (1980-01-01), Hill
patent: 4461734 (1984-07-01), Jones et al.
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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