New mdl Portage 219 Organic Chemistry [ defination]question
and an- swers...
1. large molecule made by repetitive linking of smaller units (monomers) ans
Poly- mer
2. very large molecule composed of thousands of covalently bonded atoms
(exans polymer) ans Macromolecule
3. two ways polymers are made ans 1. natural (in nature)
2. synthetic (in lab)
4. natural polymers ans rubber, carbsans starch & cellulose, proteins, nucleic
acids DNA, RNA
5. synthetic polymers ans nylon, teflon, styrofoam, polyethylene, Dacron,
6. 3 main ways to differentiate polymers ans 1. method of formation
2. final composition
3. stereochemical orientation
7. Two classifications of Synthetic polymers ans 1. chain-growth
2. step-growth
8. chain growth polymers are also know asans ans addition polymers
9. How are chain growth polymers made? ans made by addition of one monomer
unit to another in a repetitive pattern
10. A polymerization involving sequential addition to monomers that are un-
saturated (C=C) or have some other reactive functional groups (particularly
ethylene and derivatives) ans chain growth polymerization
11. what 2 things stops chain growth polymerization? ans 1. intervention
2. consumption of all available monomers
12. chain-growth
polymer: polytetrafluoroethylene
monomer ans F2C=CF2 oating: Teflon
1/
17
,New mdl Portage 219 Organic Chemistry [ defination]question
and an- swers...
nonstick coating, goretex, electrical insulator, chem-resistant c
13. chain-growth
polymer: polyvinylidenedichloride
monomer: H2C=CCl2
cling-wrap ans Saran
14. chain-growth
polymer: polypropylene
monomer:H2C=CHCH3
carpet fibers, car parts, toys, packaging, houseware ans Polypropylene
2/
17
,New mdl Portage 219 Organic Chemistry [ defination]question
and an- swers...
15. chain-growth
polymer:polyacrylonitrile
monomer:H2C=CH(CN)
textiles/fibers, carpets, upholstery ans Orlon, Acrilan, Creslan
16. chain-growth
polymer: polyvinyl acetate
monomer:H2C=CH(OCOCH3)
elmers glue, silly putty, latex paints ans Polyvinyl Acetate
17. chain-growth
polymer: polyvinyl alcohol
monomer: H2C=CH(OH)
eye med- artificial tears ans Polyvinyl alcohol
18. chain-growth
polymer: polymethylmethacrylate
monomer: H2C=C9CH3)COOCH3
clear plastic sheets , blocks, and tubing ans Plexiglass (Lucite)
19. The defining characteristic of chain-growth polymers ans the final
polymer re- tains all of the atoms of the monomer
20. formed by the reaction between 2 different functional groups on different
monomer molecules with the accompanying loss of some small molecule
(typically water) ans step growth polymerization
21. The defining characteristic of step-growth polymers ans The final polymer
chain does NOT include all the atoms initially present in the monomer molecules
22. step-growth polymers also known asans ans condensation polymers
23. functionality of step-growth monomers ans typically di or polyfunctional
3/
17
and an- swers...
1. large molecule made by repetitive linking of smaller units (monomers) ans
Poly- mer
2. very large molecule composed of thousands of covalently bonded atoms
(exans polymer) ans Macromolecule
3. two ways polymers are made ans 1. natural (in nature)
2. synthetic (in lab)
4. natural polymers ans rubber, carbsans starch & cellulose, proteins, nucleic
acids DNA, RNA
5. synthetic polymers ans nylon, teflon, styrofoam, polyethylene, Dacron,
6. 3 main ways to differentiate polymers ans 1. method of formation
2. final composition
3. stereochemical orientation
7. Two classifications of Synthetic polymers ans 1. chain-growth
2. step-growth
8. chain growth polymers are also know asans ans addition polymers
9. How are chain growth polymers made? ans made by addition of one monomer
unit to another in a repetitive pattern
10. A polymerization involving sequential addition to monomers that are un-
saturated (C=C) or have some other reactive functional groups (particularly
ethylene and derivatives) ans chain growth polymerization
11. what 2 things stops chain growth polymerization? ans 1. intervention
2. consumption of all available monomers
12. chain-growth
polymer: polytetrafluoroethylene
monomer ans F2C=CF2 oating: Teflon
1/
17
,New mdl Portage 219 Organic Chemistry [ defination]question
and an- swers...
nonstick coating, goretex, electrical insulator, chem-resistant c
13. chain-growth
polymer: polyvinylidenedichloride
monomer: H2C=CCl2
cling-wrap ans Saran
14. chain-growth
polymer: polypropylene
monomer:H2C=CHCH3
carpet fibers, car parts, toys, packaging, houseware ans Polypropylene
2/
17
,New mdl Portage 219 Organic Chemistry [ defination]question
and an- swers...
15. chain-growth
polymer:polyacrylonitrile
monomer:H2C=CH(CN)
textiles/fibers, carpets, upholstery ans Orlon, Acrilan, Creslan
16. chain-growth
polymer: polyvinyl acetate
monomer:H2C=CH(OCOCH3)
elmers glue, silly putty, latex paints ans Polyvinyl Acetate
17. chain-growth
polymer: polyvinyl alcohol
monomer: H2C=CH(OH)
eye med- artificial tears ans Polyvinyl alcohol
18. chain-growth
polymer: polymethylmethacrylate
monomer: H2C=C9CH3)COOCH3
clear plastic sheets , blocks, and tubing ans Plexiglass (Lucite)
19. The defining characteristic of chain-growth polymers ans the final
polymer re- tains all of the atoms of the monomer
20. formed by the reaction between 2 different functional groups on different
monomer molecules with the accompanying loss of some small molecule
(typically water) ans step growth polymerization
21. The defining characteristic of step-growth polymers ans The final polymer
chain does NOT include all the atoms initially present in the monomer molecules
22. step-growth polymers also known asans ans condensation polymers
23. functionality of step-growth monomers ans typically di or polyfunctional
3/
17
