C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4302, 400/55
C08L 75/04 (2006.01) C08G 18/66 (2006.01) C08J 5/18 (2006.01) C08K 5/12 (2006.01) C08K 5/523 (2006.01)
Patent
CA 1257946
FLEXIBLE ELASTOMERIC THERMOPLASTIC POLYURETHANES, PROCESS FOR THEIR PREPARATION AND THEIR USE Abstract of the Disclosure Soft, flexible elastic, thermoplastic poly- urethanes contain as plasticizers phthalic acid bis(methoxy- ethyl ester), tricresyl phosphate, diphenylcresyl phosphate, and polyester polyurethanes having molecular weights from 4000 to 10,000 based on 1,4'-butanediol adipate and 4,4'- diphenylmethane diisocyanate, generally in amounts from 1 to 50 weight percent. The plasticizers can be incorporated into the starting components used for preparing the poly- urethane, into the reactable polyurethane mixture during preparation, or, preferably, into the resulting thermo plastic polyurethanes. The products are suitable for preparing sheets and molded parts, for example, pipes/tubing and profiles, and preferably for sealing profiles.
456913
Bittner Gerhard
Faehndrich Knud
Rombrecht Hans M.
Zeitler Gerhard
Basf Aktiengesellschaft
Robic Robic & Associes/associates
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