High concentration water soluble polymers as water-in-oil emulsions
申请人:AMERICAN CYANAMID COMPANY
公开号:EP0049766A1
公开(公告)日:1982-04-21
Water-in-oil emulsions containing high concentrations of water soluble polymers are prepared by incorporating therein a polymeric surfactant prepared from maleic anhydride and a comonomer.