Preparation of polyols containing isocyanurate groups

Details Preparation of polyols containing isocyanurate groups Preparation of polyols containing isocyanurate groups

C - Chemistry, Metallurgy

07

D

C07D 251/34 (2006.01) C08G 18/38 (2006.01) C08G 18/50 (2006.01) C08J 11/24 (2006.01)

Patent

CA 2181079

In a process for preparing polyols containing isocyanurate groups by reacting PIR with short-chain, hydroxyl-containing compounds, the reaction of the PIR is carried out in the presence of carrier polyols having an OH number of at most 500 mg KOH/g and a molecu- lar mass of at least 450 g/mol. The polyols containing isocyanurate groups prepared by this pro- cess can be used for producing PUR and PIR.

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