AQUEOUS POLYURETHANE RESIN AND COATING MATERIAL
PROBLEM TO BE SOLVED: To provide an aqueous polyurethane resin that can give moisture permeation performance to the resultant coated film by the side chain polyoxyethylene group belonging to the nonionic inner emulsifier and the hydrophilic and the hydrophobic properties are in balance, and moreover...
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Sprache: | eng |
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