| 摘要 |
A poly(trimethylene-ethylene ether) glycol is disclosed. The composition is preferably used in breathable membranes, synthetic lubricants, hydraulic fluids, cutting oils, motor oils, surfactants, spin-finishes, water-borne coatings, laminates, adhesives, packaging, films and foams, fibers and fabrics. The polyether glycol can be a block copolymer of polyethylene oxide and polytrimethylene. Also disclosed are block copolymers comprising the polyether glycol as soft segment and alkylene ester or amide as hard segment, as well as, polyurethanes or polyurethane-ureas having the polyether glycol as a soft segment. |
