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40 Cards in this Set

  • Front
  • Back
the strongest orientation for reinforcement in composites for strength is called
undirectional
the making of foamed polymers is done by the process called
expansion
the non- combinable form of a polymer molecule is called the
monomer
when a thermoplastic polymer is forced through a nozzle into a mold, the process is called
injection molding
the three forms of a composite structure are
particulate, laminar, and fiber
pigments and fillers belong to the class of materials used as____ for polymers
additives
to make polymers, small molecules are combined to make large molecules in the form of
rings and chains
a one-gallon plastic milk jug would be made by the process called
blow molding
a sheet of plastic would probably be made by the process called
calandering
when a thermoset polymer is injection molded, the process is called
Rim
the polymer forming process most like impression die forging is called
compression molding
plastic trash bags are often made by the process called
blown film
when a polymer product has a small circle and a short nib protruding from that circle, the product was made by the process called
injection molding
the mickey mouse form that you made in lab was done by the process called
vacuum forming
vacuum forming must use a polymer of the ___ type
thermoplastic
transfer molding uses a polymer of the ___ type
thermoset
extrusion must use a polymer of the____ type
thermoplastic
Injection molding using thermoplastic polymers is called
RRIM
coloring agents, filler materials, and flame retardants are in the category of .... for polymers
additives
an extrusion is the intital or preprocessor for the following polymer processes:
blow molding and blown film
the form of polymer that can be softened due to heat without change in its chemical properties is called
thermoplastic
the strongest reinforcement orientation for a composite is when that reinforcement is in a.....orientation
undirectional
when a thermoset polymer is formed using a process very similar to closed or impression die forging, the process is called
compression molding
layers or reinforcement in a composite generate a composite called a...composite
laminar
the non-combinable form of a polymer is called the
monomer
putrusion is done using the polymer family called
thermoset
the form of polymer that can undergo large elastic strains without fracture is called
elastomer
EPS is made by the process called
expansion
a home spa or jacuzzi is made by the process called
spray-up
a composite pressure vessel would be made by the process called
filament winding
a skylight would be made by the process called
free blowing
a 1 gallon milk jug is made by the process called
blow molding
a hollow thermoplastic or thermoset ball would be made by the process called
rotational molding
a blister-pack for selling hardware, packing chewing gum and pharmaceutical pills would be made by the process called
vacuum molding
polymer molecules are made by combining elements into... and ... and combinations of these
rings and chains
Types of lamination
hand lay up and spray up
The layering of thermoset polymers and a reinforcement to create a product
lamination
Occurs when a softened thermoplastic polymer is forced through a die using compressive pressure
extrusion
polymer matrices that have an addition of another component for strength
composite
a group of materials characterized by large moleculres that are built from small moleculres to form chains, rings, and combinations of these
plastics (polymers)