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Composite filament textile and environment-friendly composite filament artificial leather manufactured using the same

a composite filament and textile technology, applied in the field of artificial leather and textiles, can solve the problems of unstable dimensional stability of the base, unenvironmental protection, and inability to achieve the goal of lightweight, and achieve the effects of good dimentional stability, good abrasion, and good touch feeling

Inactive Publication Date: 2016-02-25
SAN FANG CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present patent describes a method of making a lightweight, comfortable, and eco-friendly artificial leather by using a composite filament textile and an elastomer film. This method eliminates the need for solvents, which are commonly used in traditional methods, and ensures that the finished product meets environmental requirements. The resulting artificial leather has good abrasion and touch, and is stable and dimensionally sound.

Problems solved by technology

If a conventional artificial leather is made by staple fiber and a staple fiber textile base manufactured with same, dimensional stability of the base is unstable; meanwhile, in order to maintain good touch feeling of the leather, an objective of lightweight cannot be achieved.
Simultaneously, if a PU resin is dipped or laminated in the manufacturing process, it is not environment-friendly because of containing a solvent.
If the artificial leather is made by filament and a filament textile base manufactured with same, the dimensional stability is great, but the leather cannot get good touch feeling due to the thin structure of the filament textile; also, a PU resin is dipped or laminated in the manufacturing process, and likewise it is not environment-friendly because of containing a solvent.
Disadvantage: process is complicated, dimensional stability is poor, lightweight cannot be achieved, and a problem of uneven attachment distribution occurs.
Disadvantage: manufacturing process time is long, attachment is uneven, tensile strength is low, peeling strength is bad, and web distribution is prone to be uneven.
Disadvantage: dimensional stability is undesirable.

Method used

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  • Composite filament textile and environment-friendly composite filament artificial leather manufactured using the same
  • Composite filament textile and environment-friendly composite filament artificial leather manufactured using the same
  • Composite filament textile and environment-friendly composite filament artificial leather manufactured using the same

Examples

Experimental program
Comparison scheme
Effect test

embodiment 1

[0052]PBT (polybutylene terephthalate, IV=0.74) is taken as an ingredient of a core portion, TPU (thermoplastic polyurethane, MI=4, 190° C., 2.16 kg) is taken as an ingredient of a sheath portion, and a ratio of the weight of PBT to that of TPU is 6:4. Referring to FIG. 6, which shows a schematic diagram of a manufacturing process in which a filament composite spinning machine is used to prepare composite filament according to Embodiment 1. As shown in FIG. 6, the filament composite spinning machine is used to manufacture composite filament with a core-sheath section, the temperature in a PBT spinning box is 250° C., the temperature in a TPU spinning box is 220° C., the winding speed is 2500 m / min, and the composite filament with the specification of 100 den / 24 f and the single-fiber strength of 4 g / den can be obtained.

[0053]After the composite filament is arranged in order, the composite filament is woven by a loom into a fabric which the ends per inch (Warp rate) is 17 and the Pic...

embodiment 2

[0056]PET (polyethylene terephthalate, IV=0.5) is taken as an ingredient of a core portion, TPU (thermoplastic polyurethane, MI=50, 190° C., 2.16 kg) is taken as an ingredient of a sheath portion, and a ratio of the weight of PET to that of TPU is 6:4. Referring to FIG. 7, which shows a schematic diagram of a manufacturing process in which a spunbond composite fiber spinning machine is used to prepare composite filament according to Embodiment 2. As shown in FIG. 7, the spunbond composite fiber spinning machine is used to manufacture composite filament with a core-sheath section, the temperature in a PET spinning box is 260° C., the temperature in a TPU spinning box is 220° C., and spinning is performed through a spunbond process, wherein the air pressure is 9 kg / cm2, the wind induced yarn drawing speed is 4000 m / min, and the conveying belt speed is 4 m / min, so the composite filament with a diameter of 20 μm and a spunbond nonwoven textile with a thickness of 0.22 mm can be manufact...

embodiment 3

[0059]PTT (polytrimethylene terephthalate, IV=0.55) is taken as an ingredient of a core portion, TPU (thermoplastic polyurethane, MI=80, 190° C., 2.16 kg) is taken as an ingredient of a sheath portion, and a ratio of the weight of PTT to that of TPU is 6:4. Referring to FIG. 8, which shows a schematic diagram of a manufacturing process in which a melt-blown spinning machine is used to prepare composite filament according to Embodiment 3. As shown in FIG. 8, the melt-blown composite fiber spinning machine is used to manufacture composite filament with a core-sheath section, the temperature in a PTT spinning box is 250° C., the temperature in a TPU spinning box is 200° C., and spinning is performed through a melt-blowing process, wherein the high-pressure air pressure is 3000 psi, the high-pressure air temperature is 180° C., and the conveying belt speed is 2 m / min, so the composite filament with a diameter of 20 μm and a melt-blown nonwoven textile with a thickness of 0.27 mm can be ...

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Abstract

An environmental-friendly composite filament artificial leather includes a composite filament textile and an elastomer film. The composite filament textile is made of composite filament. The composite filament includes at least one core portion and a sheath portion. The at least one core portion is a polyester-type polymer, a polyamide polymer or a polypropylene polymer. The sheath portion sheathes the at least one core portion, and the sheath portion is a thermoplastic elastomer. The elastomer film is bonded with the composite filament textile. The elastomer film is made of one selected from the following materials: thermoplastic polyurethane (TPU), thermoplastic polyester elastomer (TPEE) and thermoplastic polyolefin (TPO). By this way, an environment-friendly artificial leather of lightweight, good abrasion, good touch feeling and well dimentional stability can be manufactured. Furthermore, the artificial leather can be manufactured without use of any solvent, so as to conform to the environment protection requirement.

Description

FIELD[0001]The disclosure relates to an artificial leather and a textile, more particular to an environmental-friendly composite filament artificial leather and a composite filament textile.BACKGROUND[0002]If a conventional artificial leather is made by staple fiber and a staple fiber textile base manufactured with same, dimensional stability of the base is unstable; meanwhile, in order to maintain good touch feeling of the leather, an objective of lightweight cannot be achieved. Simultaneously, if a PU resin is dipped or laminated in the manufacturing process, it is not environment-friendly because of containing a solvent. If the artificial leather is made by filament and a filament textile base manufactured with same, the dimensional stability is great, but the leather cannot get good touch feeling due to the thin structure of the filament textile; also, a PU resin is dipped or laminated in the manufacturing process, and likewise it is not environment-friendly because of containin...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): D06N3/00
CPCD06N3/0036D06N3/0011D06N3/0006D06N2201/10D06N3/123B32B5/00D06N3/0015D06N3/045D06N3/14D01D5/34D01F8/04B32B5/022B32B5/024B32B5/026B32B5/08B32B7/04B32B7/12B32B27/12B32B27/32B32B27/36B32B27/40B32B2262/0207B32B2262/0253B32B2262/0261B32B2262/0276B32B2262/12B32B2274/00B32B2307/54B32B2307/554B32B2307/732B32B2307/734
Inventor FENG, CHUNG-CHIHCHENG, KUO-KUANGLIN, CHIH-YIYANG, KAO-LUNGWU, CHIEN-MIN
Owner SAN FANG CHEM IND
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