Title:
レオロジー調整剤
Document Type and Number:
Japanese Patent JP5542897
Kind Code:
B2
Abstract:
The present invention relates to a process for preparing hydrophobically modified alkylene oxide polyurethanes by polymerizing, in the presence of a catalyst, a solvent-free melt of a polyisocyanate branching agent; a water-soluble polyalkylene glycol having an M w of from 2000 to 11,000 Daltons; and a diisocyanate; wherein the solvent-free melt further includes a hydrophobic capping agent, or a hydrophobic capping agent is added to the melt after the addition of catalyst. Hydrophobically modified alkylene oxide polyurethanes prepared by the process of the present invention show excellent ICI/KU properties and are useful as thickeners for coatings formulations.
Inventors:
Barrett Earl. bob セイン
John Jay. ラバスコ
John Jay. ラバスコ
Application Number:
JP2012248976A
Publication Date:
July 09, 2014
Filing Date:
November 13, 2012
Export Citation:
Assignee:
Rohm and Haas Company ROHM AND HAAS COMPANY
International Classes:
C08G18/48
Attorney, Agent or Firm:
Patent business corporation センダ international patent firm