1 markFunctional Group Analysis, Reactions and Mechanisms

CAPE Chemistry Unit 2 · 2006 · Paper 2 · Question 8(c)(ii)

In a fibre-producing recycling process, collected PVC material is converted to fine chips and dissolved in a solvent before extrusion.

Suggest a reason for the use of fine chips.

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Other parts of this question

8(a)Give ONE use for EACH of PVC and PET and suggest why these polymers do not respond to natural degradative processes.[4 marks]
8(b)(i)Suggest the meaning of the term 'depolymerization'.[1 mark]
8(b)(ii)State TWO chemicals that could be used in the depolymerization of PET and explain the chemical process occurring.[5 marks]
8(c)(i)What would be a suitable solvent for this process?[1 mark]
8(c)(iii)Give TWO safety precautions that should be enforced during this recycling process.[2 marks]
8(c)(iv)Suggest a use or property of any clothing produced from these recycled fibres.[1 mark]
8(d)Discuss the advantages and disadvantages of disposing of PVC material via incineration.[5 marks]

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