A) Condensation B) Evaporation C) Polymerization D) Oxidation
A) Polycarbonate B) Polypropylene C) Polyethylene terephthalate (PET) D) Polyethylene
A) Polycaprolactone B) Polyvinyl chloride C) Polyvinylidene chloride D) Polyvinyl alcohol
A) Polyvinyl chloride (PVC) B) Polyethylene C) Polypropylene D) Polystyrene
A) Polypropylene B) Polystyrene C) Polyimide D) Polyvinyl chloride
A) Polyethylene terephthalate B) Polystyrene terephthalate C) Polypropylene terephthalate D) Polybutylene terephthalate
A) Polycarbonate B) Polypropylene C) Polyetheretherketone (PEEK) D) Polyethylene
A) Plasticization B) Polymerization C) Vulcanization D) Cross-linking
A) Polypropylene B) Polystyrene C) Polycarbonate D) Polyethylene
A) Polypropylene B) Polyester C) Polyethylene D) Polycarbonate
A) Viscosity B) Brittleness C) Elasticity D) Rigidity
A) Plasticization B) Polymerization C) Crystallization D) Cross-linking
A) Polyethylene B) Polystyrene C) Polypropylene D) Polylactic acid (PLA)
A) A non-reactive substance B) A small molecule C) A large molecule composed of repeated structural units D) A single atomic structure
A) The temperature at which a polymer degrades B) The temperature at which a polymer melts C) The temperature at which a polymer changes from a hard and brittle state to a rubbery state D) The temperature at which a polymer combusts
A) A single polymer chain B) A mixture of two or more polymers C) A polymer without crosslinks D) A polymer with different end groups
A) It determines the tacticity of the polymer B) It affects the glass transition temperature of the polymer C) It is a measure of the polymer's branching D) It influences the physical and mechanical properties of the polymer
A) Injection molding B) Blow molding C) Extrusion D) Compression molding
A) They strengthen the polymer matrix B) They improve flexibility and workability of the polymer C) They control the molecular weight of the polymer D) They enhance the thermal stability of the polymer
A) Elasticity B) Stiffness C) Hardness D) Toughness
A) Reduces thermal stability B) Generally increases strength and viscosity C) Decreases flexibility and toughness D) Enhances transparency
A) Polymers with no distinct structural features B) Polymers that are fully crystalline C) Polymers with irregular chain packing D) Polymers that have both amorphous and crystalline regions
A) Non-reactive substance B) Small molecule with a single atomic structure C) Large molecule, such as a polymer, composed of repeating structural units D) Isolated monomer unit
A) It can cause degradation and discoloration of polymers B) It enhances the thermal stability of polymers C) It promotes crosslinking in polymers D) It increases the tensile strength of polymers
A) It determines the crystallinity of the polymer B) It refers to the number of monomer units in a polymer chain C) It indicates the tacticity of the polymer D) It controls the polymerization rate
A) Crosslinking B) Polymer degradation C) Depolymerization D) Polymerization
A) Thermal degradation B) Annealing C) Plasticization D) Copolymerization
A) Polyethylene B) Polytetrafluoroethylene (PTFE) C) Polycarbonate D) Polyacrylonitrile (PAN)
A) Polyvinyl chloride (PVC) B) Polystyrene C) Cellulose D) Polyethylene
A) Functionalization B) Polymer degradation C) Crosslinking D) Polymerization
A) Homopolymer B) Composite polymer C) Block copolymer D) Copolymer
A) Block copolymer B) Copolymer C) Composite polymer D) Homopolymer
A) Polystyrene B) Polyethylene terephthalate C) Polypropylene D) Sodium polyacrylate
A) Copolymerization B) Addition polymerization C) Crosslinking D) Polycondensation |