Portage Learning CHEM 219 Principles of Organic n n n n n n
Chemistry Module 8 Exam.
n n n n
Polymer -are large molecule made by repetitive linking of smaller units (monomers)
n n n n n n n n n n n
Macromolecule - very large molecule composed of thousands of covalently bonded atoms (ex: polymer)
n n n n n n n n n n n n n
1. natural (in nature)
n n n n
2. synthetic (in lab) - two ways polymers are made
n n n n n n n n n
rubber, carbs: starch & cellulose, proteins, nucleic acids DNA, RNA - natural polymers
n n n n n n n n n n n n
nylon, teflon, styrofoam, polyethylene, Dacron, - synthetic polymers
n n n n n n n
1. method of formation
n n n n
2. final composition
n n n
3. stereochemical orientation - 3 main ways to differentiate polymers
n n n n n n n n n
1. chain-growth
n n
2. step-growth - Two classifications of Synthetic polymers
n n n n n n n
addition polymers - chain growth polymers are also know as:
n n n n n n n n n
made by addition of one monomer unit to another in a repetitive pattern - How are chain growth
n n n n n n n n n n n n n n n n n
polymers made?
n n
, chain growth polymerization - A polymerization involving sequential addition to monomers that are
n n n n n n n n n n n n
unsaturated (C=C) or have some other reactive functional groups (particularly ethylene and derivatives)
n n n n n n n n n n n n n
1. intervention
n n
2. consumption of all available monomers - what 2 things stops chain growth polymerization?
n n n n n n n n n n n n n
Teflon - chain-growth
n n n
polymer: polytetrafluoroethylenen
monomer: F2C=CF2 n
nonstick coating, goretex, electrical insulator, chem-resistant coating
n n n n n n
Saran - chain-growth
n n n
polymer: polyvinylidenedichloride
n n
monomer: H2C=CCl2 n n
cling-wrap
Polypropylene - chain-growth n n
polymer: polypropylene n
monomer: H2C=CHCH3 n n
carpet fibers, car parts, toys, packaging, houseware
n n n n n n
Orlon, Acrilan, Creslan - chain-growth
n n n n
polymer: polyacrylonitrile n n
monomer: H2C=CH(CN) n n
textiles/fibers, carpets, upholstery n n
Polyvinyl Acetate - chain-growthn n n
polymer: polyvinyl acetate n n n
monomer: H2C=CH(OCOCH3) n n
Chemistry Module 8 Exam.
n n n n
Polymer -are large molecule made by repetitive linking of smaller units (monomers)
n n n n n n n n n n n
Macromolecule - very large molecule composed of thousands of covalently bonded atoms (ex: polymer)
n n n n n n n n n n n n n
1. natural (in nature)
n n n n
2. synthetic (in lab) - two ways polymers are made
n n n n n n n n n
rubber, carbs: starch & cellulose, proteins, nucleic acids DNA, RNA - natural polymers
n n n n n n n n n n n n
nylon, teflon, styrofoam, polyethylene, Dacron, - synthetic polymers
n n n n n n n
1. method of formation
n n n n
2. final composition
n n n
3. stereochemical orientation - 3 main ways to differentiate polymers
n n n n n n n n n
1. chain-growth
n n
2. step-growth - Two classifications of Synthetic polymers
n n n n n n n
addition polymers - chain growth polymers are also know as:
n n n n n n n n n
made by addition of one monomer unit to another in a repetitive pattern - How are chain growth
n n n n n n n n n n n n n n n n n
polymers made?
n n
, chain growth polymerization - A polymerization involving sequential addition to monomers that are
n n n n n n n n n n n n
unsaturated (C=C) or have some other reactive functional groups (particularly ethylene and derivatives)
n n n n n n n n n n n n n
1. intervention
n n
2. consumption of all available monomers - what 2 things stops chain growth polymerization?
n n n n n n n n n n n n n
Teflon - chain-growth
n n n
polymer: polytetrafluoroethylenen
monomer: F2C=CF2 n
nonstick coating, goretex, electrical insulator, chem-resistant coating
n n n n n n
Saran - chain-growth
n n n
polymer: polyvinylidenedichloride
n n
monomer: H2C=CCl2 n n
cling-wrap
Polypropylene - chain-growth n n
polymer: polypropylene n
monomer: H2C=CHCH3 n n
carpet fibers, car parts, toys, packaging, houseware
n n n n n n
Orlon, Acrilan, Creslan - chain-growth
n n n n
polymer: polyacrylonitrile n n
monomer: H2C=CH(CN) n n
textiles/fibers, carpets, upholstery n n
Polyvinyl Acetate - chain-growthn n n
polymer: polyvinyl acetate n n n
monomer: H2C=CH(OCOCH3) n n
