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Related Flashcards
Cards In This Set
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The smallest chemical unit of a polymer
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MER
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Large molecule made up of 2 or more different types of repeat units
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Co-polymer
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Starting entity of which polymers are made from
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Monomer
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Large molecule in which only one monomer is reacting to yield a long chain
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Homopolymer
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Large molecule made up of many small repeating units
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Polymer
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What are the 4 categories of co-polymers?
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Random, alternating, black, graft
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____ represents the # of repeat units in a polymer chain
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Degree of polymerization
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Linear or branched polymers that can be softened or made to flow
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Thermoplastics
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What are thermoplastics held together by?
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Secondary intermolecular forces (van der waals, hydrogen bonds, & electrostatic forces)
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Rigid or hard polymers whose reactions are irreversible are called _____
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Thermoset
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What are thermoset polymers held together by
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Covalent bonds
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Linear or branched polymers can be in 2 different categories depending on their arrangement; what are those 2 types
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Amorphous (disordered) or crystalline (ordered)
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_____ polymers are bonded together via rearrangement of bonds with out the loss of an atom or molecule
They are also called ________
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Addition
Chain growth
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_________ polymers are formed by reaction of functional groups or monomers with or without the loss of a molecule
They are also called ________
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Condensation
Step growth
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This type of reactino invovles high molecular weight polymers being produced rapidly.
The above involves a ___________ center which can either be _____ or _____
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Chain growth
Reactive, free radical, ion
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