Answered step by step
Verified Expert Solution
Question
1 Approved Answer
If you can do all parts then great! Please help me! Thank you Q1.Consider polymerization reaction below: n HO(CH,),OH + n O=C=N=(CH,N=C=0 1,4-butanediol 1,6-hexane diisocyanate
If you can do all parts then great! Please help me! Thank you
Q1.Consider polymerization reaction below: n HO(CH,),OH + n O=C=N=(CH,N=C=0 1,4-butanediol 1,6-hexane diisocyanate to-CH, CNH(CH,)-NH-C- polyurethane (a) To what percent conversion the reaction should proceed to yield the polyurethane having a weight average molecular weight of 5 x 10 g/mol. (b) What is the number average degree of polymerization of the polymer obtained in part (a)? (c) Calculate the root-mean-square end-to-end distance for the polymer obtained assuming that the macromolecule behaves as a freely rotating, freely jointed, volumeless chain. Assume that all bonds constituting the backbone have the same atom-atom distance of 0.154nm. (d) Estimate the unperturbed root-mean-square end-to-end distance for the polymer obtained assuming that characteristic ratio for the polymer is 15. (e) Estimate length of Kuhn segment for the polymer. Mw-MoXw 1+ P 1-p Given Mw in question. Use the first equation to find percent conversion. Calculate Mo using the polyurethane repeat unit. 1/2 1 (1-P) (1) = a (nC) e. b=1Ca M=X,M n (1) 1/2 = n1Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started