Amphoterics as emulsifiers for bituminous emulsions
作者： Peter Schilling , Hans G. Schreuders
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摘要: Novel amphoteric emulsifiers are disclosed for solventless and solvent containing mixing grade, oil-in-water anionic cationic bituminous emulsions, which the modified reaction products of polyamines with certain polycarboxylic acids sulfonated carboxylic acids. Modifications carried out by reacting nitrogen-containing intermediate formaldehyde sodium sulfite or bisulfite, chloroalkane sulfonic acid salts, γ-propane sultone, phosphonic acids, acrylic acid, fumaric maleic chloroethanoic acid.
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