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Fiber and wadding

a technology applied in the field of fiber and wadding, can solve the problems of high cost of bedding using down as wadding, excessive work complexity, water contamination, etc., and achieve the effect of superior bulkiness, superior bulkiness, and superior bulkiness

Inactive Publication Date: 2019-08-01
MITSUBISHI CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patent describes a way to make fibers with special shaped openings and good bulkiness. This is done by adding inorganic particles with a certain size to the fiber and then wadding it up to create a soft, bulky material. The fibers also have the added benefit of being able to keep moisture and absorb heat.

Problems solved by technology

However, since it is necessary to breed large numbers of waterfowl in order to obtain down, not only does this require a large amount of feed, but also results in problems such as water contamination caused by waterfowl excrement or the manifestation of infectious diseases and the proliferation thereof.
Moreover, work becomes excessively complex due to the feathers being blown around during processing, and as a result thereof, bedding using down as wadding is expensive.
On the other hand, in the field of clothing, since synthetic fibers have a lower standard moisture content in comparison with natural fibers and lack the ability to absorb and release moisture, the wearer feels hot and sweaty at high temperatures or causes the generation of static electricity at low temperatures during the winter in the case of using synthetic fibers as clothing, thereby preventing these fibers from being considered as preferable materials in terms of wear comfort.
However, since the fibers have thick fineness in order to exhibit bulkiness, heat retention is not that high.

Method used

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  • Fiber and wadding

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0163](Example 1)

[0164]An acrylonitrile-based copolymer consisting of 93% by weight of an acrylonitrile unit and 7% by weight of a vinyl acetate unit was dissolved in dimethylacetoamide to obtain an acrylonitrile-based copolymer solution having a copolymer concentration of 24.3% by weight and viscosity at 50° C. of 400 poise.

[0165]Moreover, a mixture (1), composed of 6% by weight of an acrylonitrile-based copolymer consisting of 93% by weight of an acrylonitrile unit and 7% by weight of a vinyl acetate unit, 12% by weight of silica-based inorganic microparticles (Fuji Silysia Chemical, Sylysia 310P, pore volume: 1.6 mL / g, specific surface area: 300 m2 / g, average particle diameter: 2.7 μm), obtained by dissolving the acrylonitrile-based polymer in dimethylacetoamide, and in which the silica-based inorganic microparticles were uniformly mixed, was obtained.

[0166]This acrylonitrile-based polymer solution and mixture (1) were uniformly mixed so that the amount of silica-based inorganic ...

example 2

[0169](Example 2)

[0170]Acrylic fiber was obtained by spinning in the same manner as Example 1 with the exception of changing the mixing ratio of the acrylonitrile-based polymer solution and mixture (1) so that the content of silica-based inorganic microparticles in the fiber was 3% by weight. The fiber properties are shown in Table 1.

example 3

[0171](Example 3)

[0172]Acrylic fiber was obtained by spinning in the same manner as Example 1 with the exception of changing the hole diameter of the discharge holes to 0.100 mm so that the single fiber fineness was 6 dtex. The fiber properties are shown in Table 1.

[0173](Comparative Example 1)

[0174]Acrylic fiber was obtained by spinning in the same manner as Example 1 with the exception of spinning by using only the acrylonitrile-based polymer solution and not mixing in the mixture (1) containing the silica-based inorganic microparticles at the time of spinning. The fiber properties are shown in Table 1.

[0175](Comparative Example 2)

[0176]Acrylic fiber was obtained by spinning in the same manner as Example 1 with the exception of spinning by using only the acrylonitrile-based polymer solution and not mixing in the mixture (1) containing the silica-based inorganic microparticles at the time of spinning, and discharging from a plurality of discharge holes having a hole diameter of 0.1...

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Abstract

Provided is a fiber having superior bulkiness despite being a synthetic fiber, and wadding. The fiber contains inorganic particles having an average particle diameter of 1 μm to 20 μm within the fiber and fiber pores having a maximum width of 0.1 μm to 5 μm and maximum length of 1 μm to 50 μm are formed in fiber cross-sections in the axial direction of the fiber. The wadding contains a fiber A, and the content of fiber A in the wadding (100% by weight) is 50% by weight to 100% by weight, down power is 270 cm3 / g to 400 cm3 / g, and the fiber A contains inorganic particles having an average particle diameter of 1 μm to 20 μm within the fiber.

Description

TECHNICAL FIELD[0001]The present invention relates to a fiber and wadding.[0002]The present application is a continuation application of International Application No. PCT / JP2017 / 037828, filed on Oct. 19, 2017, which claims the benefit of priority of the prior Japanese Patent Application No. 2016-204936 filed in Japan on Oct. 19, 2016, the contents of which are incorporated herein by reference.BACKGROUND ART[0003]Various types of fibers such as acrylic fibers, nylon fibers or polyester fibers have their respective characteristics such as a soft texture, heat retention, shape stability, weather resistance or dyeability, and are frequently used in the fields of bedding, clothing and interior.[0004]In recent years, in response to the rising price of down, applications using chemical fibers as batting are being deployed in the clothing and bedding fields as an alternative to down. Down, which has been mainly used as wadding of bedding or down jackets and the like, is known to demonstrate...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): D03D15/10D01F1/10D04H1/43D04H1/02D01F6/62D01D5/24D02J1/22D01F6/18D03D15/58
CPCD03D15/10D01F1/10D04H1/43D04H1/02D01F6/62D01D5/24D02J1/22D01F6/18D01D5/247D01F6/54D03D15/58
Inventor NAKANISHI, SHIMAONOHARA, YUKIOKOBAYASHI, HIDEAKIFUJII, YASUYUKI
Owner MITSUBISHI CHEM CORP
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