121 dfd 42 c sub 9 h sub 19 ph 40 1 2 0 3 500 0 19595 54p 42 c sub 9 h sub 19 ph 40 1 2 0 3 1000 0059020 33dm 21 c sub 9 h sub 19 ph 40 1 2 0 6 500 19595 10p 42 c sub 9 h sub 19 ph 40 8 5 2 0 500 019020 136 21 c sub 9 h sub 19 ph 10 1 6 0 8 500 0059020 138p 21 c sub 9 h sub 19 ph 10 3 2 1 5 500 0059020 61 21 c sub 9 h sub 19 ph 10 3 2 1 5 500 059020 139p 21 c sub 9 h sub 19 ph 10 6 9 3 2 500 0059595 3p 42 ch sub 3 40 1 2 0 3 500 019020 154p 21 ph 30 1 2 0 3 500 019595 103 42 c sub 18 h sub 35 35 1 3 0 3 500 019595 153p 42 ph 1 1 3 0 3 500 01__________________________________________________________________________ the polymers were weighed u00b1 0 001 g into flasks the solvents double distilled h 2 o salt added where necessary were weighed into the same flask the polymers were allowed to agitate on a magnetic stirrer for a minimum of 48 hours or until complete solubility was achieved as determined by visual observation in the event a polymer solution displayed 34 gel 34 particles after a lengthy dissolution period the solution was centrifuged at 2000 rpm for two hours to separate the 34 gel 34 from the soluble portion a few of the more viscous solutions were subjected to an additional filtration through a 150 mesh stainless steel screen to.