CHEMISTRY
Polymer44-44answer--
large44molecule44made44by44repetitive44linking44of44smaller44units44(monomers)
Macromolecule44-44answer--
very44large44molecule44composed44of44thousands44of44covalently44bonded44atoms44(ex:4
4polymer)
1.44natural44(in44nature)44
2.44synthetic44(in44lab)44-44answer--two44ways44polymers44are44made
rubber,44carbs:44starch44&44cellulose,44proteins,44nucleic44acids44DNA,44RNA44-
44answer--natural44polymers
nylon,44teflon,44styrofoam,44polyethylene,44Dacron,44-44answer--synthetic44polymers
1.44method44of44formation44
2.44final44composition44
3.44stereochemical44orientation44-44answer--344main44ways44to44differentiate44polymers
1.44chain-growth44
2.44step-growth44-44answer--Two44classifications44of44Synthetic44polymers
addition44polymers44-44answer--chain44growth44polymers44are44also44know44as:
made44by44addition44of44one44monomer44unit44to44another44in44a44repetitive44pattern44-
44answer--How44are44chain44growth44polymers44made?
chain44growth44polymerization44-44answer--
A44polymerization44involving44sequential44addition44to44monomers44that44are44unsaturat
ed44(C=C)44or44have44some44other44reactive44functional44groups44(particularly44ethylene
44and44derivatives)
, 1.44intervention44
2.44consumption44of44all44available44monomers44-44answer--
what44244things44stops44chain44growth44polymerization?
Teflon44-44answer--chain-growth44
polymer:44polytetrafluoroethylene
monomer:44F2C=CF2
nonstick44coating,44goretex,44electrical44insulator,44chem-resistant44coating
Saran44-44answer--chain-growth44
polymer:44polyvinylidenedichloride44
monomer:44H2C=CCl244
cling-wrap
Polypropylene44-44answer--chain-growth
polymer:44polypropylene
monomer:44H2C=CHCH344
carpet44fibers,44car44parts,44toys,44packaging,44houseware
Orlon,44Acrilan,44Creslan44-44answer--chain-growth
polymer:44polyacrylonitrile44
monomer:44H2C=CH(CN)44
textiles/fibers,44carpets,44upholstery
Polyvinyl44Acetate44-44answer--chain-growth
polymer:44polyvinyl44acetate44
monomer:44H2C=CH(OCOCH3)44
elmers44glue,44silly44putty,44latex44paints
Polyvinyl44alcohol44-44answer--chain-growth
polymer:44polyvinyl44alcohol44
monomer:44H2C=CH(OH)
eye44med-44artificial44tears
Plexiglass44(Lucite)44-44answer--chain-growth44
polymer:44polymethylmethacrylate44
monomer:44H2C=C9CH3)COOCH3
clear44plastic44sheets44,44blocks,44and44tubing
the44final44polymer44retains44all44of44the44atoms44of44the44monomer44-44answer--
The44defining44characteristic44of44chain-growth44polymers
step44growth44polymerization44-44answer--
formed44by44the44reaction44between44244different44functional44groups44on44different44mo