The Effect of H-Bonding on Radical Copolymerization of Maleic Anhydride with N-tert-Butylacrylamide and Its Characterization

Table 4

The values copolymerization (𝑟₁ and 𝑟₂) for NTBA (𝑀₁)-MA (𝑀₂) monomer pair determining by KT and NLR methods using ¹H NMR and elemental analysis techniques.

Copolymer	Methods	𝑟1	𝑟2
NTBA-MA	^1H NMR analysis (KT)	0.43	0.11
NTBA-MA	NLR	0.45	0.13
NTBA-MA	Elemental analysis (KT)	0.46	0.07
NTBA-MA	NLR	0.46	0.068