Nonwoven fabric of polyester composite fiber

Details Nonwoven fabric of polyester composite fiber Nonwoven fabric of polyester composite fiber

2008-05-13

2008-05-13

Salvatore, Lynda (Department: 1794)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Including strand or fiber material which is a monofilament...

C442S362000, C428S296700

Reexamination Certificate

active

10540880

ABSTRACT:
A nonwoven fabric of polyester composite fibers which has a satisfactory color tone (low value of b*). It is formed from short composite fibers obtained from a polyester polymer obtained with the following catalyst and a fusion-bondable polymer. The catalyst comprises: (1) a mixture of a phosphorus compound ingredient comprising a phosphorus compound represented by the formula (III) with a titanium compound ingredient comprising a titanium alkoxide represented by the following formula (I) and/or a product of the reaction of the titanium alkoxide with a carboxylic acid represented by the formula (II) or anhydride thereof; and/or (2) a product of the reaction of a phosphorus compound ingredient comprising a phosphorus compound represented by the formula (V) with a titanium compound ingredient comprising a titanium alkoxide (IV) represented by the formula (IV) and/or a product of the reaction of the titanium alkoxide with a carboxylic acid represented by the formula (III) or anhydride thereof

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