Patent ID: 9266046
Filing Date: 2016-02-23
CPC Classification: B01D,B03C,D04H,Y10T

Claim Text:
1. A mixed-fiber nonwoven fabric, which is a meltblown nonwoven fabric comprising at least two types of fibers having different melting points, which fibers are low melting point fibers made of a polyolefin resin component A, and high melting point fibers, at least a portion of each of which is made of a high melting point resin component B having a higher melting point than that of the polyolefin resin component A; the number average fiber diameter of the high melting point fibers being larger than that of the low melting point fibers, at least one high melting point fiber having a fiber diameter of 20 μm to 100 μm being present per 1.00 mm of the length of the cross section of the nonwoven fabric, and the number average fiber diameter of all fibers constituting the nonwoven fabric falling within the range of 0.3 μm to 10 μm.