Patent ID: 8206484
Filing Date: 2012-06-26
Classification: D01D,D01F,Y10T

Abstract:
1. A method for fabricating fibers, the method comprising melt-blowing a melt of a molecularly self-assembling material, the melt being at a temperature of from 130 degrees Celsius to 220 degrees Celsius, thereby forming a fiber set having a distribution of fiber diameters wherein at least about 95 percent of the fibers have a diameter of less than about 3 microns, wherein the molecularly self-assembling material comprises repeat units of formula I: and units selected from the group consisting of esteramide units of Formula II and III: and ester-urethane units of Formula IV: or combinations thereof wherein: w represents the ester mole fraction of Formula I, and x, y and z represent the amide or urethane mol fractions of Formulas II, III, and IV; where w+x+y+z=1, and 0<w<1, and at least one of x, y and z is greater than zero but less than 1.