C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/76 (2006.01) C08G 18/02 (2006.01) C08G 18/28 (2006.01) C08G 18/65 (2006.01) C08G 18/72 (2006.01) C08G 18/80 (2006.01) C08G 65/26 (2006.01) C08J 9/00 (2006.01)
Patent
CA 2093368
Mo-3898 LeA 28,928 MODIFIED AROMATIC POLYISOCYANATES AND THEIR USE FOR THE PRODUCTION OF RIGID FOAMED MATERIALS CONTAINING URETHANE GROUPS ABSTRACT OF THE DISCLOSURE Polyaromatic polyisocyanates are modified by reaction with 0.1 to 10 weight %, preferably 2 to 7 weight % (based on polyisocyanate) of a polyether alcohol of molecular weight 206 to 948, obtainable by the reaction of alkylene oxides with C6-C30, preferably C8-C20, hydrocarbons containing 1 to 3 active H atoms, and are used for the production of rigid polyurethane foamed materials.
Gebauer Herbert
Gupta Pramod
Konig Christian
Aktiengesellschaft Bayer
Swabey Ogilvy Renault
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