| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a new polyurethane which can be suitably used as an emulsifier being excellent in the emulsion stability to an oily component such as a resin and an oil and flowability. <P>SOLUTION: The polyurethane is prepared by carrying out the urethanization of glyceryl ethers (a) expressed by the general formula (1) and a water-soluble polyalkylene glycol (b) with an organic diisocyanate (c), wherein R<SP>1</SP>is a 4-22C alkyl group, alkenyl group or a phenyl group etc, and R<SP>2</SP>is a 2-4C alkylene group, and n is 0-30. <P>COPYRIGHT: (C)2011,JPO&INPIT |
