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Microporous super fine fiber base cloth and process for manufacturing the same

A superfine fiber, microporous technology, applied in fiber processing, conjugated synthetic polymer rayon, textiles and papermaking, etc., can solve the problems of failing to present fluffy touch and bright luster, and achieve bright luster and sound insulation. The effect of good sex and superior fluff touch

Inactive Publication Date: 2003-12-31
SAN FANG CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And Taiwan's announcement No. 152961 patent "composite ultra-fine fiber non-woven fabric similar to genuine leather" discloses the artificial leather with ultra-fine fibers as the base material. Because the ultra-fine fibers have no micropores, they also fail to present special fluffy touch and bright color. luster

Method used

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  • Microporous super fine fiber base cloth and process for manufacturing the same
  • Microporous super fine fiber base cloth and process for manufacturing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Embodiment 1 (dissolution type fibrillation fiber)

[0044]Polyamide is used as component A and polystyrene is used as component C to carry out composite spinning in a ratio of 60 / 40, wherein 10% polystyrene of component B is added to component A polyamide, and the melting of spinning head and spinneret The temperature is 280°C, the coiling speed is 900m / min, and the unstretched yarn with a fineness of 10dpf, a strength of 1.35g / den, and an elongation of 450% is obtained. The cross-section of the yarn is observed with an optical microscope, and it is found that the polyamide part of the A component There are 1,000 to 1,500 small islands of different sizes (component B polystyrene). The unstretched yarn is stretched at a stretching temperature of 80°C and a stretching ratio of 250%, and then dried and cut into cotton after stretching to obtain a fineness of 4.0dpf, a strength of 3.7g / den, and a tensile strength of 3.7g / den. Superfine porous fiber cotton with a length of...

Embodiment 2

[0046] Embodiment 2 (physics splitting fiber)

[0047] Polyamide is used as A component and polyethylene terephthalate containing 10 mol% IPA (isophthalic acid) is used as C component to carry out composite spinning in a ratio of 80 / 20, wherein A component polyamide is added with 30% B-component thermoplastic polyvinyl alcohol (PVA) polymer, the melting temperature of the spinneret nozzle is 275 ° C, the coiling speed is 700m / min, and the obtained fineness is 10dpf, the strength is 1.3g / den, and the elongation 380% unstretched yarn, using an optical microscope to observe the cross section of the yarn, found that there are 200 to 300 small islands of different sizes in the polyamide part of A component (B component polyvinyl alcohol). The unstretched yarn is stretched at a stretching temperature of 90°C and a stretching ratio of 230%, and then dried and cut into cotton after stretching to obtain a fineness of 4.5dpf, a strength of 3.0g / den, and an elongation of 4.5dpf. Superfi...

Embodiment 3

[0049] Embodiment 3 (dissolution type fibrillation fiber)

[0050] Using polyethylene terephthalate as component A and polyethylene terephthalate containing sulfonic acid sodium salt as component C for composite spinning in a ratio of 65 / 35, in which polyethylene terephthalate Add 30% thermoplastic polyvinyl alcohol (PVA) polymer of component B to the ester, the melting temperature of the spinneret nozzle is 285°C, the coiling speed is 3,000m / min, and the fineness is 150den / 32, and the strength is 3.0g / dpf, partially stretched yarn (POY) with an elongation rate of 80%, observed the cross section of the yarn with an optical microscope, and found that there were 500 to 1,000 pieces of different sizes in the polyethylene terephthalate part of A component Kojima (B component polyvinyl alcohol). This part of the stretched yarn (POY) is false twisted under the conditions of drawing temperature 150°C, drawing ratio 120%, speed 50m / min, twist 25t / m, and can obtain a fineness of 120de...

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Abstract

The present invention is the making process of porous superfine fiber base fabric. Woven or non-woven fabric with soluble fiber as main component is first complexed mechanically or hydrodynamically, and its one or several fiber components are then dissolved and eliminated with solvent, alkali solution or water to make the porous superfine fiber base fabric. The present invention makes it possible to make easily and stably porous superfine fiber base fabric with excellent hydroscopicity, light weight, high filtering performance, excellent sound isolating performance, bright color and fine touch feeling.

Description

technical field [0001] The present invention relates to microporous superfine fiber base cloth and its preparation method. Background technique [0002] In a polymer component (sea component), a polymer component (island component) that is poorly soluble in a solvent or alkaline solution that can dissolve and remove the polymer component (island component) is dispersed into an island-like fiber. After forming a fiber fabric containing this island-in-the-sea fiber and pre-entanglement, the sea component of the island-in-sea fiber is dissolved and removed to produce a non-woven fabric of ultrafine fibers formed by the island component. Because the non-woven fabric contains ultra-fine fibers, it is superior in touch and filtration performance, and is impregnated with polyurethane resin to form artificial leather, which has high utilization value. [0003] For example, the Taiwan Announcement No. 168750 Patent "Novel Preparation Method and Application of Superfine Fiber" disclo...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01D5/30D01F8/04D06N7/00
Inventor 王敬堂林孟经郑国光林至逸
Owner SAN FANG CHEM IND
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