Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Edward Browne0
Date of Patent
April 5, 2011
0Patent Application Number
127866280
Date Filed
May 25, 2010
0Patent Primary Examiner
Patent abstract
The process of the present invention provides for the manufacture of lower molecular weight DMC-catalyzed polyols than is possible using non-acidified continuous addition of starter (CAOS) feeds, by adding excess acid to a starter feed stream over that required for mere neutralization of the basicity of the starter. The benefits of the invention also extend to starters which do not contain basicity. Polyether polyols made by the inventive process may be used to produce improved polyurethane products such as coatings, adhesives, sealants, elastomers, foams and the like.
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