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