On photoinduced polymerization of acrylamide

Figures & data

Figure 1. Structure of DAROCUR 2959.

Figure 2. Rate of ideal solution radical polymerization as a function of conversion.

Figure 6. Variation of the rate of photoinduced solution polymerization of AAm with conversion and bubbling time. Recipe: 1.5 g AAm, 27 g H₂O, 0.0515 g DAR, 1) bubbling time = 0 min, 2) bubbling time = 3 min.

Figure 5. Variation of the rate of photoinduced micellar polymerization of AAm with conversion and bubbling time. Recipe: 1.5 g AAm, 27 g H₂O, 0.36 g Tw60, 0.1030 g DAR, 1) under air, 2) under argon.

Figure 4. Variation of monomer conversion of photoinduced solution polymerization of AAm with reaction time and bubbling time. Recipe: 1.5 g AAm, 27 g H₂O, 0.0515 g DAR, 1) bubbling time = 0 min, 2) bubbling time = 3 min.

Figure 3. Variation of monomer conversion of photoinduced micellar polymerization of AAm with reaction time and bubbling time. Recipe: 1.5 g AAm, 27 g H₂O, 0.36 g Tw60, 0.1030 g DAR, 1) bubbling time = 0 min, 2) bubbling time = 3 min.

Figure 8. Variation of monomer conversion of photoinduced polymerization of AAm with reaction time and AAm concentrations. Recipe: 27 g H₂O, 0.504 g Tw85, 0.103 g DAR 1) 0.5 g AAm, 2) 1.0 g AAm , 3) 1.5 g AAm, 4) 2.0 g AAm.

Figure 7. Variation of monomer conversion of photoinduced polymerization of AAm with reaction time and DAR concentrations. Recipe: 1.5 g AAm, 27 g H₂O, 1) 0.01285 g DAR, 2) 0.02575 g DAR, 3) 0.0515 g DAR, 4) 0.1030 g DAR, 5) 0.2060 g DAR (under argon).

Table 1. Variation of kinetic parameters with the DAR concentration in the photoinitiated micellar polymerization of AAm.

DAR (g)	Con.f (%)	Rp, max 10^4/Conv.Rp, max2 (mol dm^−3s^−1)/%
		max1	max2
0.0128	2.0	2.5/−	–
0.0257	67.6	10.6/3.0	8/30
0.0515	78.8	7.8/9.3	7/30
0.1030	63.0	21.2/17.6	–
0.2060	86.0	16.5/10.8	5/55

Table 2. Variation of kinetic parameters with the DAR concentration in the photoinitiated micellar polymerization of AAm (SDS runs) with AAm concentration.

AAm (g)	Con.f (%)	Rp, max 10^4/Conv.Rp, max2 (mol dm^−3 s^−1)/%		Final product
		max1	max2
0.5	57	11.5/10	2.5/45	Liquid emulsion
1.0	26	15.5/9	–	Liquid emulsion
1.5	36	27.5/11	–	Liquid emulsion
2.0	45	38.6/11	–	Glassy emulsion

Figure 9. Variation of the rate of photoinduced polymerization of AAm with conversion and AAm concentrations. Recipe: 27 g H₂O, 0.504 g Tw85, 0.103 g DAR (1) 0.5 g AAm, (2) 1.0 g AAm, (3) 1.5 g AAm, (4) 2.0 g AAm.

Figure 10. Photochemical mechanism of primary radicals formation.