Organic Chemistry
8th Edition
ISBN: 9781305580350
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher: Cengage Learning
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Chapter 29, Problem 29.27P
Interpretation Introduction
Interpretation:
The structural formula for the repeating unit of poly(vinyl acetate) and poly(vinyl alcohol) has to be drawn.
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Poly(lactic acid) (PLA) has received much recent attention because the lactic acid monomer [CH3CH(OH)COOH] from which it is made can be obtained from carbohydrates rather than petroleum. This makes PLA a more “environmentally friendly” polyester. (A more in-depth discussion of green polymer synthesis is presented in Chapter 30.) Draw the structure of PLA.
Poly(lactic acid) (PLA) has received much recent attention because the lactic acid monomer [CH3CH(OH)COOH] from which it is made can be obtained from carbohydrates rather than petroleum. This makes PLA a more “environmentally friendly” polyester. (A further discussion of green polymer synthesis is presented in Chapter 28.) Draw the structure of PLA.
Polymerization of vinyl acetate gives poly(vinyl acetate). Hydrolysis of this polymer in aqueous sodium hydroxide gives the useful water-soluble polymer poly(vinyl alcohol). Draw the repeat units of both poly(vinyl acetate) and poly(vinyl alcohol).
Chapter 29 Solutions
Organic Chemistry
Ch. 29.2 - Prob. 29.1PCh. 29.5 - Prob. 29.2PCh. 29.6 - Prob. AQCh. 29.6 - Prob. BQCh. 29.6 - Prob. CQCh. 29.6 - Prob. DQCh. 29.6 - Prob. EQCh. 29.6 - Prob. FQCh. 29.6 - Prob. 29.3PCh. 29.6 - Prob. 29.4P
Ch. 29 - Prob. 29.5PCh. 29 - Prob. 29.6PCh. 29 - Prob. 29.7PCh. 29 - Prob. 29.8PCh. 29 - Prob. 29.9PCh. 29 - Prob. 29.10PCh. 29 - Prob. 29.11PCh. 29 - Prob. 29.12PCh. 29 - Prob. 29.13PCh. 29 - Prob. 29.14PCh. 29 - Prob. 29.15PCh. 29 - Prob. 29.16PCh. 29 - Polycarbonates (Section 29.5C) are also formed by...Ch. 29 - Prob. 29.18PCh. 29 - Prob. 29.19PCh. 29 - Prob. 29.20PCh. 29 - Prob. 29.21PCh. 29 - Draw a structural formula of the polymer resulting...Ch. 29 - Prob. 29.23PCh. 29 - Prob. 29.24PCh. 29 - Prob. 29.25PCh. 29 - Select the monomer in each pair that is more...Ch. 29 - Prob. 29.27PCh. 29 - Prob. 29.28PCh. 29 - Prob. 29.29PCh. 29 - Prob. 29.30PCh. 29 - Prob. 29.31PCh. 29 - Prob. 29.32PCh. 29 - Prob. 29.33PCh. 29 - Radical polymerization of styrene gives a linear...Ch. 29 - Prob. 29.35PCh. 29 - Prob. 29.36PCh. 29 - Prob. 29.37PCh. 29 - Prob. 29.38P
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- Poly(vinyl alcohol), PVA, is produced from poly(vinyl acetate) by converting the acetate groups into hydroxyl groups (Section 26.6a.1). As the number of hydroxyl groups in PVA increases, the solubility of the polymer in water decreases. How do you explain this behavior?arrow_forwardBriefly explain each of the polymers. Indicate whether the polymer is a natural polymer or synthetic polymer. - Nylon - Polystyrene - Polyester - Poly (Vinyl Acetate) - Poly (Vinylidene Chloride)arrow_forwardExplain why styrene (CH2=CHPh) can be polymerized to polystyrene by all three methods of chain-growth polymerization.arrow_forward
- Can you explain condensation polymerization and give an example with structure of one with 2 carboxylic acid groups and 2 OH groups.arrow_forwardWhat monomer is needed to form each polymer? COOEt COOEt cOOEt Et = CH,CH3 polyisobutylene (used to make basketballs) poly(ethyl acrylate) (used in latex paints)arrow_forwardBriefly explain each of the polymers. Indicate either the polymer is produced by condensation or addition polymerization. - Nylon - Polystyrene - Polyester - Poly (Vinyl Acetate) - Poly (Vinylidene Chloride)arrow_forward
- Draw (by hand) the monomers used to synthesize poly(ethyl cyanoacrylate) and poly(octyl cyanoacrylate), and chemical structure of the repeat units of each when polymerized.arrow_forwardIn reference to cloth or fiber, the term acetate usually means cellulose acetate, a semisynthetic polymer made by treating cellulose with acetic anhydride. Cellulose acetate is spun into yarn by dissolving it in acetone or methylene chloride and forcing the solution through spinnerets into warm air, where the solvent evaporates. Predict what usually happens when students wear polyvinyl chloride shoes to the organic laboratory.arrow_forward1. Draw the structure of the monomer that is responsible for the following polymer: -CH,-CH-arrow_forward
- When polyethylene is made by free radical polymerization, the resulting polymer has a significant amount of branching, resulting in low-density polyethylene (see Section 26.9a). When styrene undergoes free radical polymerization, on the other hand, very little branching occurs. Explain this phenomenon.arrow_forwardThe structure of vinyl chloride is shown. vinyl chloride This alkene undergoes addition polymerization to form polyvinyl chloride (PVC), a polymer used in pipes and many other products. Draw a segment of polyvinyl chloride containing three monomer units connected head-to-tail. Connect each end of the segment with a bond to one of the R groups that are already drawn. The R groups represent the connecting carbon atoms in the monomers adjacent to the segment. Select Draw Rings Groups More Erase a|H Rarrow_forwardCalculate the degree of polymerization of a sample of polyethylene [ (CH2-CH2)n], which has a molecular weight of 150,000 g/mol.arrow_forward
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