Table 3 Assignments of the FTIR peaks for synthesized butyl acrylate.

From: Gamma radiation-induced grafting of poly(butyl acrylate) onto ethylene vinyl acetate copolymer for improved crude oil flowability

Assignment

Wavenumber (cm–1)

Acrylic acid

n-Butanol

n-Butyl acrylate (BuA)

ν(O–H)

3355

ν(COO–)

3109

3105

ν(C–H)

2976

2959, 2933, 2874

2961, 2936, 2874

ν(C=O)

1707

1727

ν(C=C)

1635, 1617

1636, 1620

δ(CH2)

1463

1464

δ(=CH2)

1413

1409

ρ(=CH)

1299, 1061

1296, 1275, 1064

ν(C–O)

1194

1072

1192

ω(CH=CH2)

985

985

τ(=CH2)

813

811

  1. ν stretch, δ scissor, ω wag, τ twist, ρ rock.