材料导论复习.doc

材料导论复习.docDefine the following terms.
Monomer, Oligomer, the repeating unit
Thermoset and Thermoplastic
Condensation polymerization and Free radical polymerization reaction
Alternating copolymer, Block copolymer
Branched Polymer, syndiotactic polymer, atactic polymer
Crosslinking, vulcanization
Configuration, Conformation
Glass Transition Temperature
Melt index, Melt fracture, Die swell
Compression molding, Extrusion, Injection and Blow molding
Multiple choices.
Tire cords, the film used as backing for magnetic recording tape in audio and video cassettes, and plastic soft-drink bottles are all composed of what polymers?
poly(tetrafluoroethylene)
high-density polyethylene
nylon
poly(ethylene terephthalate)
What term is used to indicate a polymerization that occurs without the growth of a chain monomer by monomer, but instead occurs as monomers form dimers, dimers form tetramers, etc.?
Non-chain
Discontinuous
step-growth
irregular-increment
Who developed catalysts that can produce, exclusively, either isotactic or syndiotactic polymers?
Carothers
Ziegler and Natta
Staudinger
Goodyear
Who gave the macromolecular hypothesis?
Carothers
Ziegler and Natta
Staudinger
Goodyear
Fabrics or films made of which of the following polymers are most sensitive to damage from solutions of strong bases?
Nylon
Polyethylene
poly(vinyl chloride)
polystyrene
Who produced bil