Polyether dej
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Dej-soluble Polyether
Cov khoom lag luam yog dej-soluble polyether, nws tuaj yeem siv los tsim cov dej polyurethane, polyurethane tawv tiav tus neeg sawv cev, cov khoom muaj lub zog zoo thiab zoo heev noo noo permeability.Qhov hnyav molecular ntawm cov khoom no txawv ntawm 1000 txog 3300. Nws yog ib qho zoo heev uas tsis yog-ionic surfactant thiab cov khoom siv no tau siv dav hauv kev lag luam.
