Photocrosslinkable polymer based on 4-(3-(2,4-dichlorophenyl)-3-oxoprop-1-enyl) phenylacrylate: synthesis, reactivity ratio, and crosslinking studies

Figures & Tables

Feed composition M₁	Conversion [%]	Integral value		C = I_m/I_a	Copolymer composition m₁
Feed composition M₁	Conversion [%]	I_m	I_a	C = I_m/I_a	Copolymer composition m₁
0.15	7.6	3.34	9.63	0.3468	0.24
0.30	10.3	0.88	1.13	0.6616	0.36
0.50	14.2	1.73	1.64	1.0548	0.59
0.70	8.7	2.31	9.77	0.2364	0.82
0.85	11.8	1.64	7.29	0.2249	0.91

Feed composition M₁	Conversion [%]	Integral value		C = I_a/I_e	Copolymer composition m₁
Feed composition M₁	Conversion [%]	I_a	I_e	C = I_a/I_e	Copolymer composition m₁
0.15	11.5	9.98	2.25	4.44	0.27
0.30	15.6	5.35	0.94	5.69	0.47
0.50	13.2	6.14	1.02	6.82	0.57
0.70	17.2	1.31	0.12	10.91	0.75
0.85	9.3	4.13	0.21	19.66	0.86

Polymer	TGA		Molecular weight		UV data
Polymer	1^st [°C]	2^nd [°C]	M_n × 10³	M_w × 10³	M_w/M_n	Ar. C=C	Vinyl C=C
Poly(DCP)	315	430	1.9	2.9	1.8	265	315
Poly(DCP-co-HEA)	330	440	2.5	3.8	1.6	260	315
Poly(DCP-co-S)	320	430	1.9	3.1	1.7	260	315

Polymer	Method	r₁	r²	r₁.r₂
	FR	1.53±0.10	0.76±0.16	1.16
Poly(DCP-co-HEA)	KT	1.67±0.13	0.58±0.05	0.96
	ex-KT	1.65±0.13	0.6±0.08	0.99
	FR	1.1±0.06	0.66±0.16	0.73
Poly(DCP-co-S)	KT	1.25±0.16	0.45±0.13	0.56
	ex-KT	1.31±0.11	0.49±0.16	0.64

I.T	Poly(DCP)		Poly(DCP-co-HEA)		Poly(DCP-co-S)
I.T	A (310 nm)	C [%]	A (316 nm)	C [%]	A (312 nm)	C [%]
0	1.709	0	0.804	0	2.703	0
60	1.608	5.9	0.695	13.5	2.641	2.2
180	1.532	10.3	0.671	16.5	2.402	11.1
300	1.468	14.1	0.644	19.9	2.130	21.2
600	1.286	24.7	0.480	40.2	2.042	24.5
900	1.176	31.2	0.357	55.6	1.556	42.4
1200	1.043	38.9	0.188	76.6	1.054	61.0
1500	1.040	39.2	0.005	99.3	0.992	63.3