Method for the continuous production of a composition...

Details Method for the continuous production of a composition... Method for the continuous production of a composition...

2011-01-25

2011-01-25

Johnson, Christina (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

C264S211130, C264S216000, C425S110000, C427S208400

Reexamination Certificate

active

07875221

ABSTRACT:
The method for the continuous production of a composition comprising rubber (20), hydrocarbon resin (22), and solvent (26) provides for the use of a dual-screw extruder (10), for example, a co-rotating dual-screw extruder. Preferably, at least a fraction of the solvent (26) is added at a point of the extruder (10) that is downstream of the initial section, for example, at a distance of at least 4 D from the initial section of the extruder (10).

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Burbank et al. Producing adhesives and sealants with a twin-screw. Adhesives & Sealants Industry. Jun./Jul. 1998. vol. 5 Issue 5, p. 44.

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