1. 6.21 Reactions of Alkenes with Alkenes: Polymerization

2. cationic polymerization free-radical polymerization coordination polymerization Polymerization of Alkenes

3. H 2 SO 4 + monomer (C 4 H 8 ) two dimers (C 8 H 16 ) Dimerization of 2-methylpropene (CH 3 ) 2 C CH 2 CH 3 CCH CH 3 C(CH 3 ) 2 CH 3 CCH 2 C CH 3 CH 2 CH 3 Cationic Polymerization

4. CH 3 CCH 2 C CH 3 + + H2CH2CH2CH2CC CH 3 C CH 3 + Mechanism of Dimerization

5. + CH 3 CCH CH 3 C(CH 3 ) 2 CH 3 CCH 2 C CH 3 CH 2 CH 3 CH 3 CCH 2 C CH 3 + Mechanism of Dimerization

6. 200 °C 2000 atm O 2 peroxidespolyethylene H2CH2CH2CH2C CH 2 Free-Radical Polymerization of Ethylene

7. ..RO.. H2CH2CH2CH2C CH 2 Mechanism

8. H2CH2CH2CH2C.. RO: Mechanism

9. H2CH2CH2CH2C CH 2.. RO: Mechanism CH 2 H2CH2CH2CH2C

10. H2CH2CH2CH2C H2CH2CH2CH2C.. RO: Mechanism

11. H2CH2CH2CH2C CH 2 H2CH2CH2CH2C.. RO: Mechanism CH 2 H2CH2CH2CH2C

12. H2CH2CH2CH2C H2CH2CH2CH2C H2CH2CH2CH2C.. RO: Mechanism

13. H2CH2CH2CH2C CH 2 H2CH2CH2CH2C H2CH2CH2CH2C.. RO: Mechanism CH 2 H2CH2CH2CH2C

14. polypropylene H2CH2CH2CH2C CHCH 3 CHCHCHCHCHCHCH CH 3 Free-Radical Polymerization of Propene

15. ..RO.. H2CH2CH2CH2C CHCH 3 Mechanism

16. H2CH2CH2CH2C.. RO: Mechanism

17. H2CH2CH2CH2C CHCH 3.. RO: Mechanism CHCH 3 H2CH2CH2CH2C

18. H2CH2CH2CH2C H2CH2CH2CH2C.. RO: Mechanism

19. H2CH2CH2CH2C CHCH 3 H2CH2CH2CH2C.. RO: Mechanism CHCH 3 H2CH2CH2CH2C

20. H2CH2CH2CH2C H2CH2CH2CH2C H2CH2CH2CH2C.. RO: Mechanism

21. H2CH2CH2CH2C CHCH 3 H2CH2CH2CH2C H2CH2CH2CH2C.. RO: Mechanism CHCH 3 H2CH2CH2CH2C

22. H 2 C=CHCl  polyvinyl chloride H 2 C=CHC 6 H 5  polystyrene F 2 C=CF 2  Teflon Likewise...