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Unformatted text preview: p = extent of reaction = monomer unit mean molar mass 2. The relation between glass transition temperature and number average molecular weight g g n K T T M =-=-1 1 n x p n o n M M x = n x o M 3. Chain dimensions. a) The contour length of a polymer = nl b) The fully extended end-to-end distance of a polymer = nl cos (90 - /2) where n = number of backbone bonds of length l and = bond angle c) That for the freely jointed chain model, the root mean squared end-to-end distance is given by, Of course you will be expected to recognise and use other equations 1 2 2 1 2 f r n l =...
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This note was uploaded on 02/25/2012 for the course ECO 101 taught by Professor Staff during the Fall '10 term at Texas State.
- Fall '10