Block polyethylene polypropylene glycol trimethylolpropane ether Ethylene oxide-propylene oxide block copolymer ether with trimethylolpropane Ethylene oxide-propylene oxide block copolymer trimethylolpropane ether Ethylene oxide-propylene oxide-trimethylol propane block copolymer Lupranol 2042 Newpol TL 4500N Oxirane, 2-methyl-, polymer with oxirane, ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1), block Oxirane, methyl-, polymer with oxirane, ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1), block Oxirane, polymer with methyloxirane, ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1), block Sannix TL 4500 Trimethylolpropane block polyethylene-polypropylene glycol ether