Polyketone fiber and process for producing the same

Details Polyketone fiber and process for producing the same Polyketone fiber and process for producing the same

2003-08-27

2008-12-02

Truong, Duc (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From ketone or ketene reactant

C528S225000, C528S486000, C525S153000, C525S539000

Reexamination Certificate

active

07459516

ABSTRACT:
Polyketone fibers comprising, on the basis of the entire repeating units, 95% by mole of a repeating unit of the formula (1) shown below, and showing a minimum value (Amin(F)) of a UV absorbance of 0.5 or less in a wavelength region of 210 to 240 nm.in-line-formulae description="In-line Formulae" end="lead"?—CH2CH2—CO—   (1)in-line-formulae description="In-line Formulae" end="tail"?

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