PEG-15 PENTAERYTHRITYL TETRA(LAURETH-6 CARBOXYLATE)

Poly(oxy-1,2-ethanediyl), .alpha., .alpha.'-(2,2-bishydropoly(oxy-1,2-ethanediyl)oxymethyl-1,3-propanediyl-.omega.-hydroxy- (15 mol EO average molar ratio), tetraester with .alpha.-carboxymethyl-.omega.-hydroxypoly(oxy-1,2-ethanediyl) (5 mol EO average molar ratio)