Study of amphiphilic properties of amine- and oligo(ethylene glycol)-containing (meth)acrylic monomers

Figures & data

Table 1. Structures and abbreviations of the studied amine- and oligo(ethylene glycol)-containing (meth)acrylic monomers.

#	Monomer	Structure	Abbr.
1	N-[3-(Dimethylamino)-propyl] acrylamide	CH2=CHCONH(CH2)3N(CH3)2	DMAPA
2	N-[3-(Dimethylamino)propyl] meth-acrylamide	CH2=C(CH3)CONH(CH2)3N(CH3)2	DMAPMA
3	2-(Dimethylamino)ethyl methacrylate	CH2=C(CH3)COOCH2CH2N(CH3)2	DMAEMA
4	2-(Diethylamino)ethyl methacrylate	CH2=C(CH3)COOCH2CH2N(C2H5)2	DEAEMA
5	2-Hydroxyethyl methacrylate	CH2=C(CH3)COOCH2CH2OH	HEMA
6	Methoxy oligo(ethylene glycol)23 methacrylate	CH2=C(CH3)COO(CH2CH2O)23OCH3	MOEGMA-23
7	Methoxy oligo(ethylene glycol)12 methacrylate	CH2=C(CH3)COO(CH2CH2O)12OCH3	MOEGMA-12
8	Methoxy oligo(ethylene glycol)8 methacrylate	CH2=C(CH3)COO(CH2CH2O)8OCH3	MOEGMA-8
9	Hydroxy oligo(ethylene glycol)6 methacrylate	CH2=C(CH3)COO(CH2CH2O)6OH	HOEGMA-6

Figure 1. Dependence of the interfacial tension (γ) on the concentration of the monomers (C) for aqueous solutions of DMAPMA (1) and DMAPA (2).

Figure 2. Dependence of the interfacial tension (γ) on the concentration of the monomers (C) for aqueous solutions of DMAEMA (1) and DEAEMA (2).

Figure 3. Dependence of the interfacial tension (γ) on the concentration of the monomers (C) for aqueous solutions of HEMA (1) and HOEGMA (2).

Figure 4. Dependence of the interfacial tension (γ) on the concentration of the monomers (C) for aqueous solutions of MOEGMA -12 (1), MOEGMA -8 (2), MOEGMA -23 (3).

Table 2. The calculated values of ∆f_part, ∆f_ads, and of the intermediate coefficients P and α.

Monomer	P	∆fpart	α	∆fads
DMAEMA	2.67	0.98	6.620 × 10^2	6.10
DEAEMA	2.34	0.85	22.370 × 10^2	7.32
DMAPMA	458.40	6.12	15.210 × 10^2	6.93
DMAPA	605.33	6.40	36.940 × 10^2	7.81
HEMA	32.75	3.49	7.230 × 10^2	6.19
HOEGMA-6	17.82	2.88	415.037 × 10^3	12.54
MOEGMA-8	65.03	4.17	368.770 × 10^3	12.42
MOEGMA-12	105.16	4.65	914.107 × 10^3	13.33
MOEGMA-23	125.48	4.83	179.293 × 10^4	14.00

Figure 5. Two-dimensional diagram of the interfacial activity and distribution of substance in water–hexane mixture for the monomers 1–9 (numbers correspond to Table 1). (●) ethoxylated metha crylates; (○) amine-containing metha crylates and (meth)acrylamides.