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Hydrophilic cotton-like composite filament and manufacturing method thereof

A manufacturing method and composite wire technology, applied in the composite wire field, can solve the problems of not providing functional ITY composite wire products and production methods, etc.

Inactive Publication Date: 2019-08-16
XUZHOU SILK FIBER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The technical content of the patent disclosed above mainly involves the production method of the conventional one-step ITY and the colorful ITY composite yarn, and does not provide the product and production method of the functional ITY composite yarn

Method used

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  • Hydrophilic cotton-like composite filament and manufacturing method thereof

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Embodiment Construction

[0049] The present invention will further illustrate the present invention with the following implementation cases of producing 150dtex / 108f hydrophilic cotton-like composite yarn, but the protection scope of the present invention is not limited to the implementation cases.

[0050] ①. Crystallize the hydrophilic cotton-like polyester chips in a fluidized bed, the crystallization temperature is 138°C, and the crystallization time is 15 minutes;

[0051] ②. After the crystallization is completed, put the hydrophilic imitation cotton slices into the material tower for drying. The drying temperature is 133°C, the drying time is 6h, and the dew point temperature is -95°C;

[0052] ③. The dried hydrophilic imitation cotton slices are respectively put into different screw extruders or the same screw extruder for melt extrusion, the screw pressure is 11.0MPa, and the temperature of each zone is 255°C, 262°C, 264°C , 268°C, 268°C;

[0053] ④. The melt passes through different melt fi...

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Abstract

The invention discloses a hydrophilic cotton-like composite filament formed by one-to-one composition of two different tows. The hydrophilic cotton-like composite filament is characterized in that thetwo different tows are FDY (fully drawn yarn) adopting hydrophilic cotton-like polyester yarn and POY (polyester pre-oriented yarn) adopting hydrophilic cotton-like polyester yarn respectively, wherein the hydrophilic cotton-like polyester yarn is produced through a chemical reaction of polypropylene glycol, ethylene glycol antimony, cobalt acetate, a stabilizer Irganox1010, triphenyl phosphite and titanium dioxide with purified terephthalic acid and ethylene glycol. Due to the fact that hydrophilic cotton-like polyester has better moisture regain, the ITY (Intermingled textured yarn) hydrophilic cotton-like composite filament has good moisture regain through a one-step ITY production process, and the cotton-like effect is realized.

Description

technical field [0001] The invention relates to a composite yarn, in particular to a hydrophilic cotton-like composite yarn and a manufacturing method thereof. Background technique [0002] Polyester FDY (fully drawn yarn), POY (pre-oriented yarn) composite yarn ITY (Intermingled texturedyarn) is a kind of polyester / polyester composite yarn with good hand feeling and excellent wrinkle resistance, mainly used in water jet, air jet, circular knitting machine and other weaving techniques. The ITY one-step production process introduced in Chinese invention patent 200610103920.1 "A Polyester Melt POY, FDY Composite Yarn Spinning Method". 201210287637.4 "Polyester cationic heterochromatic composite yarn and its manufacturing method" introduces polyester cationic heterochromatic composite yarn, which is composed of two different tows one-to-one. The characteristics of the two different tows are: FDY adopts cationic poly Ester chip spinning, POY uses conventional polyester chip sp...

Claims

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Application Information

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IPC IPC(8): D02G3/02D01D5/08D01D5/088D01D5/16D02J1/08
CPCD01D5/08D01D5/088D01D5/16D02G3/02D02J1/08D10B2331/04
Inventor 孙德荣孙德明张堂标朱延伟
Owner XUZHOU SILK FIBER TECH
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