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