Table 4 Assignments of the FTIR peaks for the prepared EVA-g-p(BuA).

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

Assignment

Wavenumber (cm–1)

EVA

n-butyl acrylate (BuA)

EVA-g-p (BuA)

ν(COO–R) & (broad H-bonded)

–

3105

3448

ν(C–H)

2917, 2850

2961, 2936, 2874

2921,2851

ν(C=O)

1736

1727

1735

ν(C=C)

–

1636,1620

–

δ(C–H)

1462 (CH2), 1369 (CH3)

1464

1460,1374

δ(=CH2)

–

1409

–

ρ(=CH)

–

1296,1275,1064

–

ν(C–O)

1237, 1020

1192

1241,1021

ω(CH=CH2)

–

985

–

τ(=CH2)

–

811

–

ρ(CH2)

721

739

721

ω(C=O)

607

–

605

  1. ν stretch, δ scissor, ω wag, τ twist, ρ rock.
Back to article page