2. The following polymer can be viewed as either a polyimide or a poly(arylene ether), which provides two ways of making it. Please list the two reactions that can form the polymer. +0+0+0=0}{ Polyimide pathway: Poly(arylene ether) pathway:
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- Draw the monomer unit(s) from which the following polymer is made. to • In the case of a reactive acyl monomer, draw a methyl ester. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures with + signs from the drop-down menu. opy asteWhich monomer could produce this polymer?1 Explain how you could make the polymer -[OCCH(CH3)O]n- from ethanol as the only available organic material.
- This polymer is composed of 2 monomer units: an acid chloride and an amine. In the box below, draw the structure of both monomers. (8-10 C (CH₂)6-C CH₂ 어 H n • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Do not include lone pairs in your answer. They will not be considered in the grading. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures with + signs from the drop-down menu.Polyester fibres have a range of everyday applications. They are made from the condensation polymerization of two monomers. Below is a section of a polyester. to from -0-CH2-CH2-0-ċ-CH2-CH2-CH2-CH2-Ö- n One of the monomers is hexanedioic acid. What is the name of the other monomer?3. Draw the structure for the monomer(s) from which the following polymer is made and name the type of polymer (addition, polyester or polyamide). a) PETE (polyethylene terephthalate) 4 PETE 0-CH,-CH; -CH2 Polyester the monomers are: но-сн-сн,—он но and b) PP (polypropylene) PP H CH; H CH; H CH; H CH; H H H H H H. WPS Office Addition the monomer is: H3C H H 4. Draw the structure of the polymer which would form when the following molecules react. (draw two units) a. CH2 но CH2 -CH - -CH,-CH2-C -N-CH,-N- -CH2-CH2-C- CH2-N он
- PTT (polytrimethylene terephthalate) is a polyester formed from 1,3-propanediol (HOCH 2CH 2CH 2OH) by the given reaction. PTT is sold under the trade name Sorona by DuPont. 1,3-Propanediol can now be made from a plant source like corn, rather than from petroleum starting materials. This makes PTT a more environmentally friendly polyester than PET. What is the structure of PTT?What is polymer? and polymerize lactic acidDraw the structural formulas of the monomers needed to form the following polyester. FICHADA-O- снж-о), (CH2)3-O-C–(CH2) • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. ... CH4 // ? [References] ChemDoodle Sn [F
- 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. Draw the structure of PLA1. What are condensation polymers? How are they different from addition polymers? 2. What is the role of an initiator? 3. What is an inhibitor? 4. What are short stops?