Outline the mechanism for the acylation reactions. 3.3.12 0.4 Write equations for the Students make models of a January 2012 History of Kevlar: Polymers. weeks formation of polyamides polyamide and a polyester. Unit 4 Q8b and polyesters. 3.3.12.1 Students write equations and draw June 2011 RSC resource on nylon: Condensation polymers. Draw the repeating unit repeat units for a variety of different Unit 4 Q4a and 4b from monomer structure(s). polyamides and polyesters. Know the repeating June 2006 units in polyesters (eg Draw the repeating unit Practical activity: Unit 4 Q4a Terylene) and from a section of the Making nylon polyamides (eg nylon polymer chain. June 2004 6,6 and Kevlar) and the Unit 4 Q5 linkages between these Draw the structure(s) of the repeating units. monomer(s) from a section January 2013 of the polymer. Unit 4 Q4b, 4c and Know some typical uses 4d of polymers. Explain why polyalkenes are chemically inert but June 2002 3.3.12.2 polyesters and polyamides Unit 4 Q7 Biodegradability and can be hydrolysed. disposal of polymers. . Understand the inert nature and of polyalkenes. Understand the biodegradable nature of
Outline the mechanism for the acylation reactions. 3.3.12 Polymers. 3.3.12.1 Condensation polymers. Know the repeating units in polyesters (eg Terylene) and polyamides (eg nylon 6,6 and Kevlar) and the linkages between these repeating units. Know some typical uses of polymers. 3.3.12.2 Biodegradability and disposal of polymers. . Understand the inert nature and of polyalkenes. Understand the biodegradable nature of 0.4 weeks Write equations for the formation of polyamides and polyesters. Draw the repeating unit from monomer structure(s). Draw the repeating unit from a section of the polymer chain. Draw the structure(s) of the monomer(s) from a section of the polymer. Explain why polyalkenes are chemically inert but polyesters and polyamides can be hydrolysed. Students make models of a polyamide and a polyester. Students write equations and draw repeat units for a variety of different polyamides and polyesters. Practical activity: Making nylon January 2012 Unit 4 Q8b June 2011 Unit 4 Q4a and 4b June 2006 Unit 4 Q4a June 2004 Unit 4 Q5 January 2013 Unit 4 Q4b, 4c and 4d June 2002 Unit 4 Q7 History of Kevlar: RSC resource on nylon:
AQA-7405-B-SOW.DOCX