nylon repeating unit molecular weight

The molecular weigh remains roughly the same (400,000-700,000 Da), but thermal properties correlate with the ratio of these monomer units. Problem 4.4 (a) Compute the repeat unit molecular weight of polypropylene. In contrast to chain-growth polymers, most of which grow by carbon-carbon bond formation, step-growth polymers generally grow by carbon-heteroatom bond formation (C-O & C-N in Dacron & Nylon respectively). Nylon 6,6 is very stable in nature. 6.11. Ex: calculate the degree of polymerization of a sample of polyethylene [ (CH 2-CH 2) n], which has a molecular weight of 150,000 g/mol. Nylon 6,6 is an amorphous solid so it has a large elastic property and is slightly soluble in boiling water . The molecular weight of a particular polymer molecule is a product of the degree of polymerization and the molecular weight of the repeating unit. The word ‘ Polymer’ is coined from two Greek words: poly means many and mer means unit or part. Nylon 6,6 is an amorphous solid so it has a large elastic property and is slightly soluble in boiling water . The original 'nylon' has a repeating unit of the following composition;-NH

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