Table 1.

Physicochemical and mechanical properties of the microparticles.

Physicochemical Properties
Microparticles	Swelling Ratio $\mathit{S}\mathit{R}=\mathit{W}\mathit{s}/\mathit{W}\mathit{d}$	Ve	Mc		Particle Size (µm)	Weight Loss in 24 h (%)
MPAHA	61 ± 8	1.28 × 10−6	1,015,979		190 ± 6	34 ± 6
MPAHA-CHT90:10	47 ± 1	2.79 × 10−5	155,067		273 ± 4	46 ± 3
MPAHA-CHT75:25	38 ± 2	3.72 × 10−5	116,635		280 ± 4	18 ± 7
MPAHA-CHT50:50	35 ± 1	4.18 × 10−5	103,614		263 ± 4	14 ± 3
Mechanical Properties
Microparticles	G’ (Pa)	G” (Pa)	G* (Pa)	tan δ (=G”/G’) in 1 Hz	n ƞ = K·γn−1	Extrusion Force (N)
MPAHA	335.8	63.8	341.8	0.19	0.39	20 ± 1
MPAHA-CHT90:10	954.1	156.4	966.8	0.16	0.24	14 ± 2
MPAHA-CHT75:25	3211	436.4	3240.5	0.14	0.27	19.9 ± 0.6
MPAHA-CHT50:50	4933	560.2	4964.7	0.11	0.32	26.7 ± 0.4