A medical pressure sensitive adhesive tape includes a base material and a pressure sensitive adhesive layer formed on at least one side of the base material. The medical pressure sensitive adhesive tape is greatly lightened in skin irritation and has the following characteristics:
(a) the stress at 5% elongation being within a range of 0.1 to 8.0 N/24 mm as measured at a temperature of 23°C and an extension rate of 100 mm/min;
(b) the viscosity (unit: Pa·s) of a pressure sensitive adhesive being within a range of 5.0 to 6.7 in terms of logarithm as determined from an initial slippage under shear load; and
(c) the water-vapor transmission rate being within a range of 800 to 8,000 g/m2·24 hr as measured at a temperature of 40°C and a relative humidity of 90%.
一种医用压敏胶带包括基材和形成于基材至少一面的压敏胶层。医用压敏胶带对皮肤的刺激性大大降低,并具有以下特点:
(a) 在温度为 23°C 和延伸率为 100 毫米/分钟的条件下测量,5% 延伸率时的应力在 0.1 至 8.0 牛顿/24 毫米的范围内;
(b) 压敏粘合剂的粘度(单位:帕-秒)在 5.0 至 6.7 的对数范围内(根据剪切负荷下的初始滑动测定);以及
(c) 在温度为 40℃、相对湿度为 90%的条件下测得的
水蒸气透过率为 800 至 8 000 克/平方米-24 小时。