SUBSTANTIALLY ANHYDROUS BLOWING AGENT AND PROCESS FOR PRODUCING THE SAME
IT PROVIDES A BLOWING AGENT WHICH IS SIGNIFICANTLY INHIBITED FROM SOLIDIFICATION AND IS EXCEEDINGLY USEFUL AS A BLOWING AGENT SATISFACTORY IN FLOWABILITY, DISPERSIBILITY INTO RESINS, AND THE LIKE, EVEN AFTER THE LAPSE OF A PROLONGED PERIOD OF TIME, AND A PROCESS FOR PRODUCING THE SAME.THE BLOWING AG...
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Format: | Patent |
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Zusammenfassung: | IT PROVIDES A BLOWING AGENT WHICH IS SIGNIFICANTLY INHIBITED FROM SOLIDIFICATION AND IS EXCEEDINGLY USEFUL AS A BLOWING AGENT SATISFACTORY IN FLOWABILITY, DISPERSIBILITY INTO RESINS, AND THE LIKE, EVEN AFTER THE LAPSE OF A PROLONGED PERIOD OF TIME, AND A PROCESS FOR PRODUCING THE SAME.THE BLOWING AGENT OF THE PRESENT INVENTION IS SUBSTANTIALLY ANHYDROUS BLOWING AGENT, AND IT IS OBTAINED BY TREATING A BLOWING AGENT WITH A SURFACE-TREATING AGENT CAPABLE OF REMOVING WATER FROM THE BLOWING AGENT, FOLLOWED BY OPTIONALLY HEATING DURING OR AFTER THE TREATMENT. |
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