US 4,007,140 A · Tertiary amines as catalysts in polyurethane manufacture

Abstract

A tertiary amine having the general formula: ##STR1## wherein X is the residue of an organic acid X(OH).sub.n, n being the number of acidic groups present in the acid. The amines are useful as catalysts in the production of polyurethanes.

Claims1

Dependent claims

A method for the manufacture of polyurethane which comprises reacting an organic polyisocyanate with an organic polyol in the presence of a catalytically effective amount of

N,n'-bis(3-dimethylaminopropylamino)urea.

Dependencies are inferred from the claim text.

Facts

Application

05/539,404Filed 8 Jan 1975 · division

Priority

UK 50304/721 Nov 1972

Granted

8 Feb 1977

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

C07C 335/14
Derivatives of thiourea: having nitrogen atoms of thiourea groups bound to carbon atoms of rings other than six-membered aromatic rings
C07C 335/16
Derivatives of thiourea: having nitrogen atoms of thiourea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
C08G 18/1841
Containing secondary or tertiary amines or salts thereof: having carbonyl groups which may be linked to one or more nitrogen or oxygen atoms
C07C
Acyclic or carbocyclic compounds

Tertiary amines as catalysts in polyurethane manufacture

Life of this patent

Abstract

Claims1

Tertiary amines as catalysts in polyurethane manufacture

Life of this patent

Abstract

Claims1