Finish composition for application to a continuous filament polypropylene sheet
Abstract
Abstract A FINISH COMPOSITION IS PROVIDED FOR APPLYING TO A SPUNBONDED CONTINUOUS SILAMENT POLYPROPYLENE SHEET INTENDED FOR USE AS A PRIMARY CARPET BACKING. THE FINISH COMPRISES A MIXTURE OF TWO POLYSIOXLANE COMPONENTS IN A RATIO FROM 9:1 TO 1:9 BY WEIGHT; THE FIRST SAID COMPONENT BEING A DYEABLE COMPONENT COMPRISING A PRIMARY OR SECONDARY AMINOALKYLPOLYSILOXANE OR AMINOALKOXYALKYLPOLYSILOXANE FLUID HAVING AN AMINE FUNCTIONALITY IN THE RANGE 4-7%, AND BEING SUBSTANTIALLY FREE FROM OTHER REACTIVE GROUPS; AND THE SECOND SAID COMPONENT BEING A LUBRICANT COMPONENT COMPRISING A POLYDIALKYL/ARYLSILOXANE FLUID HAVING HYYDROXYL END GROUPS AND BEING SUBSTANTIALLY FREE FROM OTHER REACTIVE GROUPS.
Inventors
- 👤 S Sands
Bibliographic Details
Claims Analysis
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