A Rapid Bonding Method for Fabricating Mixing Microfluidic Chip Based on Micromachining Technology

Figure 4

(a) The influence of the proportions of isocyanic acid and polyether polyol. (b–d) The photographs of contact angle with different proportions (3.2 w/w, 3.4 w/w, 3.8 w/w).

(a)

(b)

(c)

(d)