Thanks for your reply and thanks for the links.I already used a gpc standard. The amount of 2g I ordered was suffiecient. I use the ps for thermal replication of nm structures. I thought to minimize the elastic behaviour (recovery) by reducing Mw. Although I've used a 1k ps gpc standard I still...
I'm searching for a polystyrene with a molecular weight in the range of 20 k/mol. I know there are several suppliers but none of them was able to provide a meaningful GPC measurement and exact Tg data. Does anybody know where to get such a polymer which was previously specified?