Cleaning Webb's production manner, it is cleaning Webb's and Webb's who cleans

摘要

PROBLEM TO BE SOLVED: To produce a cleaning web which little causes orientation or fuzzing and exhibits a high maximum tolerable temperature, low water absorption, and strong affinity for oil and which attains prescribed cleaning characteristics without using a binder in the forming of the web.;SOLUTION: The web for cleaning the surface of a member to be cleaned which is produced by impregnating a non-woven fabric with an oil, wherein the non-woven fabric is a meltblown one which comprises as the main component a wholly aromatic polyester that can form a liquid crystal in melting and exhibits a melt viscosity of 20 Pa s or below at 310°C and which has a mean fiber diameter of 3 to 15 μm, a thickness of 20 to 80 μm, an average basis weight of 9 to 30 g/m², a density of 0.25 to 1.4 g/cm³, a lengthwise tensile strength/widthwise tensile strength ratio of 1.0 to 4.0, and lengthwise and widthwise elongations of about 3%.;COPYRIGHT: (C)2008,JPO&INPIT