Kodel is a condensation polymer made from terphthalic acid and 1,4-cyclohexandethanol. Write the structure of the resulting polymer.

1. Draw the structure of the monomer that is responsible for the following polymer: -CH,-CH-

3. Dacron is the brand name for the polymer that is made from ethane-1,2-diol and benzene-1,4-dicarboxylic acid. (a) What type of polymer is Dacron? (b) When the two monomers combine, what type of reaction do they undergo and what molecule is eliminated? (c) What is the name for the linkages that join the monomers together?(d) Draw the monomers and the polymer of the reaction to create Dacron. (Use a condensed structural formula in your answer.) HC-C styrene H-O-C- ethane-1,2-diol I H OH НО. 206 H -C-0-H H benzene-1.4-dicarboxylic acid.

1. Draw the structure of the polymer formed by the following monomer. H H H-C=C- C = N

(a) Draw the structure of polystyrene, which is formed by polymerizing the monomer styrene, C6H5CH=CH2. (b) What monomer is used to form poly(vinyl acetate), a polymer used in paints and adhesives?

2-methylbut-1-ene can form a polymer State the type of polymerisation? Draw the repeating unit for the polymer formed? Type of polymerisation? Repeating

Draw a representative segment with four repeating units of the polymer prepared from N-vinyl pyrrolidone. H C=CH2 N

1. Formaldehyde (methanal: H2C=0) can be polymerized to produce Delrin (polyoxymethylene), a strong and easily molded plastic. Write a chemical reaction that shows the formation of this polymer.

The polyester formed from lactic acid is used for tissue implants and surgical sutures that will dissolve in the body. Draw the structure of a portion of this polymer CH;— CH—СО-Н ОН |1 Teilknia

Draw a structural formula of the polymer resulting from base-catalyzed polymerization of each compound. Would you expect the polymers to be optically active? (S)-(+)-lactide is the dilactone formed from two molecules of (S)-(+)-lactic acid.