Utilization of lactones and lactams in the preparation of...

Details Utilization of lactones and lactams in the preparation of... Utilization of lactones and lactams in the preparation of...

C - Chemistry, Metallurgy

08

G

403/31

C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08G 18/72 (2006.01) C08G 18/79 (2006.01) C08K 5/15 (2006.01) C08K 5/151 (2006.01) C08K 5/3412 (2006.01) C08L 75/00 (2006.01)

Patent

CA 1279948

UTILIZATION OF LACTONES AND LACTAMS IN THE PREPARATION OF POLYURETHANE-POLYUREA PRODUCTS Abstract of the Disclosure Lactones and lactams are utilized in the prepara- tion of urethane modified prepolymers based on diphenyl- methane diisocyanate, uretonimine-modified diphenylmethane dilsocyanate. The prepolymers are then employed to prepare microcellular foams suitable for shoe soles and cast polyurethane products.

542409

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