Polymers

Question 1

Two types

Answer 1

addition condensation

Question 2

bonding in addition polymers

Answer 2

VDW between molecules

Question 3

are addition polymers biodegradable

Answer 3

no due to the non-polar covalent bonds. not susceptible to attack by nucleophiles

Question 4

disposal of poly(alkenes)

Answer 4

can be burnt to produce CO2 and water to produce energy

Question 5

Condensation polymers formed from

Answer 5

monomers with functional groups at both ends

Question 6

condensation polymers formed by

Answer 6

two molecules joining together, eliminating a small molecule (usually water)

Question 7

methods to make polyesters

Answer 7

diacid + diol (removes water)
diacyl chloride + diol (removes HCl)

Question 8

Terylene

Answer 8

benzene-1,4-dioic acid + ethene-1,2-diol

Question 9

Polyamides

Answer 9

diacid + diamine (removal of water)

Question 10

Nylon-6,6

Answer 10

hexandioic acid + hexane-1,6-diamine

Question 11

Kevlar

Answer 11

benzene-1,4-diamine + benzene-1,4-dioic acid (removal of water)

Question 12

use for kevlar

Answer 12

bullet proof vests

Question 13

memorised polymers

Answer 13

terylene, nylon-6,6 , kevlar

Question 14

use for polyesters and polyamides

Answer 14

high strength synthetic fibres

Question 15

bonding in polyamides

Answer 15

hydrogen

Question 16

are polyesters and polyamides biodegradable

Answer 16

yes because they’re polar molecules so can be attacked by nucleophiles