Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/300,615external-prioritypatent/US5539044A/en
Application filed by Lubrizol Specialty Products IncfiledCriticalLubrizol Specialty Products Inc
Publication of MY112035ApublicationCriticalpatent/MY112035A/en
FLOW OF A STREAM COMPRISED OF HYDROCARBONS IS IMPROVED BY INTRQDUCING INTO THE STREAM A STABLE, NON-AGGLOMERATING SUSPENSION COMPRISING:(a) WATER,(B) HIGHLY DISPERSED IN THE WATER, AND SUBSTANTIALLY INSOIUBLE THEREIN, AND EXTREMELY FINELY-DIVIDED, NON-CRYSTALLINE, ULTRA-HIGH MOLECULAR WEIGHT, HYDROCARBON-SOLUBLE, UNDEGRADED POLYALKENE HAVING 2 TO ABOUT 30 CARBON ATOMS PER ALKENE PRECURSOR AND AN INHERENT VISCOSITY OF AT LEAST 20 DL/G, AND(C) A SMALL BUT EFFECTIVE AMOUNT OF A SURFACTANT HAVING A HLB OF AT LEAST ABOUT 9. THE FINELY DIVIDED POLYALKENE IS PREPARED BY POLYMERIZATION AND THEN CRYOGRINDING BELOW THE GLASS TRANSITION TEMPERATURE OF THE POLYALKENE.
Raw material powder for producing stabilized polyoxymethylene copolymer and process for producing stabilized polyoxymethylene copolymer employing the same