摘要:
This invention relates to a process of producing one or more of an alkylene glycol or poly-alkylene glycol by the reaction of an alkylene oxide and water whereby reduced levels of undesired by products such as carbonyl compounds, ultraviolet light absorbing compounds and various metal species are produced.
摘要:
Water soluble polyurethanes, having hydrophilic polyether backbone and pendant monovalent hydrophobic groups of sufficient size and number while establishing proper hydrophilic/lipophilic balance, provide improved thickening of aqueous systems.
摘要:
A water-soluble, thermoplastic, organic polymer is disclosed having segments of bunched monovalent hydrophobic groups. These polymers provide superior thickening and leveling in aqueous systems, through micelle-like associations, and aid suspension of particulate materials in non-aqueous systems.