Question- A polymer is disperesed in a solution of MEK and contains about 40% solids by weight. You've been asked to fully crosslink a polymer whose average molecular weight is 42000g/mol. In this polymer there are an average of 4.5 -OH groups that will 'react' with the M-NCO crosslinking agent. If the crosslinking agent has a molecular weight of 214.18 how many grams of the crosslinker are needed?
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