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Table 2 Main ATR-FTIR absorption bands

From: Assessment of historical polymers using attenuated total reflectance-Fourier transform infra-red spectroscopy with principal component analysis

Polymer Main IR absorption bands (cm-1)
Polystyrene (HS 36, 38, 405, 409 & 446) 3025 (C-H) stretch
  2921 & 2854 (CH2) asymmetric & symmetric stretch
1602 ring stretch
1449 (C = C) ring
905 (C = CH)
745 & 696 (C-H) bend of aromatic ring
Cellulose acetate (HS 91, 474, 475, 476 & 477) 2977 & 2932 (CH3) asymmetric & symmetric stretch
  2951 & 2880 (CH2) asymmetric & symmetric stretch
1740 (C = O)
1367 (CH3) bend
1032 (C-O) stretch
Cellulose nitrate (HS 248, 270 & 271) 2925 & 2854 (CH2) asymmetric & symmetric stretch
  1721 (C = O)
1647 & 1274 (NO2) asymmetric & symmetric stretch
1155 asymmetric ring stretch
1065 (C-O) stretch
830 (N-O) stretch
749 (N-O) bend
Polycarbonate (HS 52, 143, 413, 466 & 467) 2969 & 2869 (CH3) asymmetric & symmetric stretch
  2925 & 2854 (CH2) asymmetric & symmetric stretch
1770 (C = O)
1594 & 1605 doublet, aromatic ring stretch
1081, 1015 & 830 (1,4 disubstituted aromatic ring)
Rubber (HS 103, 268 & 269) 3350broad (OH) suggests degradation
  2943 & 2854 (CH3) asymmetric stretch & symmetric stretch
2917 (CH2) asymmetric stretch
1714 (C = O) suggests degradation
1620 (C = C) stretch
1442 & 1375 (CH3) asymmetric & symmetric bend
1069weaksuggests degradation
Poly(vinyl chloride) (HS 62, 415, 424, 430 & 468) 2925 (CH2) stretch
  2861shoulder (C-H) stretch (phthalate plasticiser)
1720 (C = O) (phthalate plasticiser)
1579 and 1602 doublet (phthalate plasticiser)
1427 (CH2) bend
1255 (C-H) bend, in phase
961(C-C) stretch
693 (C-Cl) stretch
Polyurethane (HS 69, 86, 458, 461 & 464) 3325 (N-H) stretch
  2973 (C-H) stretch, asymmetric
2865 (C-H) stretch, symmetric
1725 (C = O) stretch
1639 (OCONH)
1538 (N-H) deformation
1088 (OCONH) in plane
Polypropylene (HS 77, 400, 403, 416 & 444) 2947 & 2869 (CH3) asymmetric & symmetric stretch
  2921 & 2839 (CH2) asymmetric & symmetric stretch
1453 & 1378 (CH3) asymmetric & symmetric bend
1438 (CH2) bend
1166 & 996 indicative of isotactic form
Polyethylene (HS 80, 404, 417, 459 & 463) 2917 & 2854 (CH2) asymmetric & symmetric stretch
  1470 (CH2) bend
1378 (CH3) symmetric bend (low density only)
  719 (CH2) rocking