PERFECTED METHOD OF CONTINUOUS PRODUCTION OF COMPOSITION CONTAINING RUBBER, HYDROCARBON POLYMER AND SOLVENT Russian patent published in 2009 - IPC C08J3/02 B29C47/40 B29C47/50 B29B7/48 C09J107/00 C09J109/06 

Abstract RU 2372359 C2

FIELD: process engineering.

SUBSTANCE: proposed method relates to method of continuous fabrication of adhesive composition containing rubber (20), hydrocarbon polymer and solvent (26). Proposed method comprises using at least two two-auger extruders (10a, 10b) arranged in succession. Note that temperature at outlet of each extruder is lower than solvent boiling point and that solvent is added in parts to multiple points located behind initial section of first extruder and to multiple points located along second extruder. Note here that a part of solvent (26) is added to composition coming from 10a and before it enters 10b. The extruders above can represent extruders running in opposite directions, or preferably, in one direction.

EFFECT: higher manufacturability.

10 cl, 4 dwg, 1 ex

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RU 2 372 359 C2

Authors

Maris Dzhanfranko

Dates

2009-11-10Published

2004-09-29Filed