Plastics (continued)
flowing 194
formulations 186
industry 187
liquid 195
modern 186
moulded 195
museum 209
oldest man-made 199
process molten 195
semi-synthetic 188, 209
shaping 194
sink 196
synthetic 185, 196
thermoplastic 195
Platinum 313, 314
Plexiglas 186
Polarised light 275
Pollen 24
Pollutants 67, 166, 218, 221,
231, 233
gaseous 91
particulate 219
Pollution 217, 218, 231, 233, 242
atmospheric 107, 217, 221, 226
conditions 222
environmental 235
Pollution Level 217, 231
atmospheric 217, 230
Pollution
policy 221
reduction 231
Polycarbonates 192, 196, 197
Polychromy 27
Polycrystalline materials 184
Polyesters 58, 191, 192, 194,
196, 197
saturated 192
Polyethylene 185, 186, 188,
190, 196, 197, 200, 287–289,
292, 295
bags 287, 288
barrier 288
enclosure 289
glycol 192
Polyethylene glycol method 303
Polyethylene
sheeting 287
stored 288
Polyglycols 192
Polyisocyanate 192
Polymer
additives 193
breaks 62
chains 64, 66, 71, 80, 188
component 188
degradation product alkyl
benzenes 194
fragments 80
microstructure 64
particles 193
Polymer Phthalate esters 194
Polymerisation 67, 188, 191, 192, 305
degree of 40, 190
process 190
rearrangement 190, 191
Polymers 34, 37, 53, 62, 67, 158,
159, 171, 183, 188, 190–193,
195–197, 199, 200, 202, 203,
205, 298
butadiene-styrene 188
carbohydrate 32, 34
colourless 189
colour-matched 183
degrading 202
disintegrate 252
of glucose 32, 34
linear 34, 158
long 19
normal 194
polyurethane 191
raw 193
semi-crystalline 64
semi-synthetic 188
silica-based 231
solvent-based 298
stiff 203
synthetic 188, 190, 252, 256
Polyol 191, 192
Polyolefins 186, 209362 Subject Index