C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/08 (2006.01) C08G 18/66 (2006.01) D06N 7/00 (2006.01)
Patent
CA 2270630
The present invention is a continuous process for preparing formulations useful for making filled polymer carpet backings. The present invention particularly incorporates polyisocyanate as a reactive diluent in a continuous process for preparing filled polyurethane polymers. Use of the present invention allows production of carpet backings that incorporate high loadings of filler materials.
Cette invention concerne un processus continu de préparation de formulations qui sont utilisées dans la fabrication de couches de support de moquettes à base de polymères comportant des matières de charge. Cette invention fait plus particulièrement appel à un polyisocyanate qui est utilisé en qualité de diluant réactif lors du processus continu de préparation de polymères de polyuréthanne comportant des matières de charge. Cette invention permet de produire des couches de support de moquettes qui comprennent des quantités importantes de matières de charge.
Jenkines Randall C.
Jennings James K.
Mobley Larry W.
Smart & Biggar
The Dow Chemical Company
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