lecture 9 - polymer degradation cont'd

in surface erosion, thin slab geometry uses ___ order kinetics

zero

increasing carboxylic acid groups in a polymer ____ chain scission

increases

two concentrations indicate a _____ order reaction

second

one concentration indicates a ____ order reaction

first

all _____ polymers degrade by enzymatic degradation

natural

in surface erosion, bond cleavage is ____ than enzyme diffusion

faster

in bulk degradation, bond cleavage is ____ than enzyme diffusion

slower

increasing porosity of a polymer _____ erosion

increases

michaelis-menten kinetics equation measures enzymatic degradation of ____ polymers

bulk