A) A single atom B) A small inorganic molecule C) A type of metal D) A large molecule composed of repeating structural units
A) Ring-opening polymerization B) Decomposition polymerization C) Addition polymerization D) Condensation polymerization
A) The temperature at which the polymer decomposes B) The temperature at which the polymer transitions from a glassy to a rubbery state C) The temperature at which the polymer crystallizes D) The temperature at which the polymer melts
A) To enhance polymer solubility B) To decrease polymer density C) To increase mechanical strength and stability D) To reduce polymer chain length
A) Increased molecular weight leads to higher viscosity B) Molecular weight has no effect on viscosity C) Increased molecular weight decreases viscosity D) Increased molecular weight leads to lower elasticity
A) To explain the thermodynamics of polymer solutions and blends B) To determine polymer degradation kinetics C) To model polymer chain conformation D) To predict the mechanical properties of polymers
A) To enhance polymer solubility B) To increase the glass transition temperature C) To inhibit polymer chain flexibility D) To promote the formation of small crystalline regions in a polymer
A) To enhance or modify the properties of polymers B) To reduce polymer flexibility C) To break down polymer chains D) To decrease polymer durability
A) A polymer with a high degree of crystallinity B) A polymer with only one repeating unit C) A polymer composed of two or more different monomers D) A single monomer molecule
A) To increase mechanical strength and prevent slippage of polymer chains B) To promote polymer crystallization C) To decrease polymer solubility D) To induce polymer degradation
A) The glassy state is for amorphous polymers only B) The glassy state does not affect polymer properties C) The glassy state promotes polymer flexibility D) In the glassy state, the polymer is hard and brittle |