| 摘要 |
PROBLEM TO BE SOLVED: To provide methods for isolating and purifying components useful, either alone or in combination with other components, as adhesives or sealants for medical/surgical applications. SOLUTION: The methods for isolating and purifying components useful as adhesives or sealants for medical/surgical applications include the steps of: bringing a polymer possessing isocyanate groups into contact with a solvent to form a solution; adding a metal oxide selected from the group consisting of aluminum oxide, titanium oxide, iron oxide, magnesium oxide, zinc oxide, silica, and combinations thereof to the solution; and isolating the polymer possessing isocyanate groups from the solution. COPYRIGHT: (C)2009,JPO&INPIT
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