Table 1.

Polymer compositions and naming conventions

Lattice points	Polymer number	Drug releasea)	Actual compositions, %			Model compositions b)			Model name
			DTE	DT	PEG1K	DTE	DT	PEG1K
Vertex	1	0.0984	100	0	0	13	0	0	pc13-0-0*
Vertex	2	0.0035	88	12	0	12	2	0	pc12-2-0 charge4*
Vertex	3	0.1305	82	0	18	11	0	2	pc11-0-2
Vertex	4	0.1544	70	12	18	9	2	2	pc9-2-2-charge4*
Third-edge	5	0.0489	96	4	0	13	1	0	pc13-1-0
Third-edge	6	0.0119	92	8	0	12	1	0	pc12-1-0
Third-edge	7	0.0148	94	0	6	13	0	1	pc13-0-1
Third-edge	8	0.0966	88	0	12	12	0	2	pc12-0-2
Third-edge	9	0.1108	82	12	6	11	2	1	pc11-2-1
Third-edge	10	0.1336	76	12	12	10	2	2	pc10-2-2-charge4*
Third-edge	11	0.1188	78	4	18	10	1	2	-
Third-edge	12	0.1156	74	8	18	10	1	2	-
Axial	13	0.0093	92.5	3	4.5	12	0	1	pc12-0-1
Axial	14	0.0194	86.5	9	4.5	12	1	1	pc12-1-1-charge2*
Axial	15	0.1179	83.5	3	13.5	11	0	2	-
Axial	16	0.1209	77.5	9	13.5	10	1	2	pc10-1-2
Centroid	17	0.1092	85	6	9	11	1	1	pc11-1-1-charge2*

^a)Average cumulative fractional drug release recorded after 84 days

^b)Model compositions are expressed in number(s) of repeat units where each unit of DTE, DT and PEG_1K contains 49, 42 and 157 atoms, respectively

^*Polymers selected for MD simulations