Patent ID: 6077888
Filing Date: 2000-06-20
Classification: C08K

Abstract:
An emulsifying composition for use in producing solventless slow-set and medium-set cationic bituminous emulsions comprising a blend, prepared at pH levels greater than about 10, of:A) 100 parts by weight of lignin,B) 75 to 200 parts by weight of a nonionic surfactant, andC) 20 to 100 parts by weight of a fatty amine selected from the group consisting of N-alkyl amine, N-alkyl-propane diamine-1.3, N-alkyl-N'-propyl amino-propane diamine-1.3, N-alkyl-N',N'-bis-propyl amino-propane diamine-1.3, N-alkyl-N,N',N'-tri-propyl amino-propane diamine-1.3, and combinations thereof.