Modified polyester fiber and process for producing the same

Details Modified polyester fiber and process for producing the same Modified polyester fiber and process for producing the same

2006-02-14

2006-02-14

Boykin, Terressa (Department: 1711)

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

Synthetic resins

From carboxylic acid or derivative thereof

C428S364000, C428S365000, C428S373000, C428S395000, C528S271000

Reexamination Certificate

active

06998461

ABSTRACT:
Disclosed are a modified polyester fiber and a process for producing the same. The modified polyester fiber comprises the component of alkoxylated 2-methyl-1,3-propanediol and has the properties of easy dyeability at low temperatures and good colorfastness to laundering. The modified polyester fiber can be produced by undergoing a polymerization reaction of alkoxylated 2-methyl-1,3-propanediol, alkanediol, and terephthalic acid or an alkyl ester thereof, and then spinning. The modified polyester fiber can be dyed at low temperature and has excellent dyeability and colorfastness to laundering. Therefore, this modified polyester fiber can be widely used in the application of synthetic fiber product.

REFERENCES:
patent: 5916677 (1999-06-01), Chen et al.
patent: 6187900 (2001-02-01), Tseng et al.
patent: 0984086 (2000-03-01), None

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