B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 67/24 (2006.01) B60C 17/06 (2006.01) C08G 18/10 (2006.01) C08G 18/48 (2006.01) C08G 18/66 (2006.01)
Patent
CA 2394354
A polyurethane-polymer composition suitable for preparing a lightweight tire support includes at least one isocyanate, at least one polyol, and at least one chain extender. A polyurethane-polymer composition can also include an additive such as a catalyst, a filler, a surfactant, a colorant, and a mold- release agent. A lightweight tire support can be prepared from a polyurethane- polymer composition by, for example, reaction injection molding. Such a tire support desirably has temperature stability and load-bearing capability.
Composition de polyuréthanne-polymère servant à préparer un support léger de pneu et contenant au moins un isocyanate, au moins un polyol et au moins un prolongateur de chaîne. Cette composition de polyuréthanne-polymère peut également contenir un additif, tel qu'un catalyseur, une charge, un tensioactif, un colorant ou un agent de dégagement de moule. On peut préparer le support léger de pneu à partir de cette composition de polyuréthanne-polymère par, par exemple, moulage par injection de produits réactionnels. Ce support de pneu présente une stabilité à la température et une capacité de support de charge.
Christenson Christopher P.
Cornell Martin C.
O'neill Robert E.
Priester Ralph D. Jr.
Schrock Alan K.
Dow Global Technologies Inc.
Smart & Biggar
The Dow Chemical Company
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