The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The mixture of cyclic PPS oligomers (c‐PPS) with more than 99% of purity, less than 15 ppm of metal content and more than 4 of repeating units was prepared by the nucleophilic substitution reaction between dichlorobenzene (DCB) and sodium sulfide (Na2S) in relatively dilute solution. Melt polymerization of the c‐PPS in the absence of initiator at high temperature resulted in P(c‐PPS) having high molecular...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.