Page 81 - IJB-6-2

Chow, et al.
may create significant challenges when determining consists of the fabric and silicone is lower than the
the pattern size of garments. Conventional materials fabric itself due to the lower strength of the used
for pressure therapy garments such as nylon/spandex silicone when comparing with the materials of fabric.
blended warp knitted fabrics will deform and lose Figure 6A is the comparison of tensile properties of
their elasticity, which reduce pressure delivery and the fabric and fabric silicone composite before and
the treatment effectiveness [30,35] . Silicone, however, after 3000 cycles of tensile testing. In terms of the
has excellent resilience that the material is able deformation and change in the Young’s modulus,
to withstand repeated functional loading without the fabric silicone composite showed less reduced
dimensional changes . The stress of the composite tensile strength after 3000 cycles of testing. More
[35]

A B

C D E

F G

Figure 6. Investigation of deterioration of material and tensile properties: (A) Stress-strain curves of
fabric and fabric silicone composite samples before and after cyclic tensile testing; (B) Young’s modulus
of fabric and fabric silicone composite samples; (C) and (D) fabric sample before and after cyclic tensile
testing; (E) stress-strain curves of fabric and fabric silicone composite samples; (F) and (G) front and
back view of ASTM D638 samples; scale bar: 10 mm.

International Journal of Bioprinting (2020)–Volume 6, Issue 2 77