C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/48 (2006.01) C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08G 18/24 (2006.01) C08G 18/72 (2006.01)
Patent
CA 2415448
A continuous process for the preparation of a thermoplastic polyurethane elastomer is disclosed. The process is carried out at 130 to 250°C and comprises reacting at least one polyether diol with at least one organic diisocyanate and 1,4-di-(2,2'-hydroxyethyl)-hydroquinone, in the presence of tin dioctoate as a catalyst. The resulting thermoplastic polyurethane has a glass transition temperature (T g) below 50°C. The inventive thermoplastic polyurethane is suitable for making injection molded or extruded articles.
Brauer Wolfgang
Chan Jack C.
Heidingsfeld Herbert
Hoppe Hans-Georg
Kaufhold Wolfgang
Aktiengesellschaft Bayer
Corporation Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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