C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 51/06 (2006.01) C08J 11/06 (2006.01) C08L 23/02 (2006.01) C08L 75/00 (2006.01) C08L 75/04 (2006.01) C08L 101/00 (2006.01)
Patent
CA 2043057
Compositions characterized by a non-isocyanate based thermoplastic polymer and a finely divided isocyanate based thermoset polymer are disclosed. The compositions can optionally further include an adhesive thermoplastic compatibilizing agent. Finely divided scrap isocyanate based thermoset polymer materials such as polyurethanes, can be used in preparing these compositions, thus lowering manufacturing and disposal costs. Processes to prepare these compositions and articles produced therefrom are also disclosed.
On divulgue des compositions caractérisées par un polymère thermoplastique qui n'est pas à base d'isocyanate et par un polymère thermodurcissable finement divisé à base d'isocyanate. Les compositions peuvent contenir, facultativement, un agent de compatibilité adhésif thermoplastique. Les rebuts de matières finement divisées de polymère thermodurcissable à base d'isocyanate comme les polyuréthanes peuvent être utilisés dans la préparation de ces compositions, ce qui diminue les coûts de fabrication et d'élimination. On divulgue également des procédés pour préparer ces compositions ainsi que des articles produits à l'aide de ces dernières.
Morgan Roy E. Jr.
Tabor Ricky L.
Zawisza Melissa J.
Smart & Biggar
The Dow Chemical Company
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