Flashcards
polyester and polyamides
Flashcards do conjunto (17)
- 1What is condensation polymerisation?A reaction in which two monomers react together to form a polymer, with the elimination of a small molecule, such as water.
- 2what the two common condensation polymers?-Polyester
-Polyamides - 3What is a polyester?It is made by:
- 1 monomer has two -COOH groups
- the other has two -OH groups - 4Formation of Terylene
- 5Formation of polylactic acid
- 6Uses of polyestersIt is used in making carpets, sports clothing and shirts.
BUT it is flammable. - 7What are polyamides?It is made by:
- 1 monomer has two -COOH group
-other monomer has two -NH2 group
It makes a CONH bond - 8Formation nylon-6,6
- 9Formation of Kevlar
- 10Uses of polyamides-Clothing
-Kevlar has higher strength and fire resistance - protective clothing (e.g. bulletproof vest) - 11What is addition polymer?-They are made from one type of monomer only
-There is no product other than polymer. - 12Acid hydrolysis of polyester
- 13Base/ Alkaline hydrolysis of polyester
- 14acid hydrolysis of polyamides
- 15alkaline hydrolysis of polyamides
- 16What is a biodegradable polymer?a polymer that breaks down completely into carbon dioxide and water. (eg polylactic acid (food packaging) and polyglycolic acid (surgery for stitches)
- 17what is a degradable polymer?A polymer that breaks down into smaller fragments when exposed to light, heat or moisture.
Informações
- Descrição
- A-Level A2 chemistry (Module 2 - Polymer and Synthesis ) FlashCards sobre polyester and polyamides, criado por Mary Doria em 10-11-2015.
- Criado por
- Mary Doria
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