JP2906689B2 - Man-made fiber containing natural stone and its fiber product - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel artificial fiber containing a natural stone powder having a unique action, and a fiber product containing the artificial fiber.

[0002]

2. Description of the Related Art There are many known fibers coated with or mixed with artificial far-infrared radiation ceramic powders and fiber products mixed with the fibers.

For example, JP-A-2-160921, "Far-infrared-emitting polyester staple fiber";
JP-A-112471, "Method for producing far-infrared radiating nonwoven fabric", JP-A-2-1312828, "Ceramic sheet containing polyurethane resin", JP-A-2-99698, "Nonwoven fabric or paper for keeping freshness", JP-A-2-104731 "Far-infrared radiation fiber yarn", JP-A-2-34115, "Highly insulating futon", JP-A-1-314715, "Fibers and fabrics having thermal insulation", JP-A-1-316104, "Far-infrared ray and antibacterial properties""Flockedcloth", JP-A 1-272839, "ceramic-containing yarn", JP-A 1-2280016, "Method for producing polyester fiber emitting far-infrared ray", JP-A 1-162823, "Far-infrared ray having flame retardancy" Polyester fiber ", JP-A-1-162824," Polyester fiber emitting far-infrared rays ", JP-A-1-2074
No. 56, "Non-woven sheet having heat retention", JP-A-64-7
No. 7612 "Synthetic fiber containing far-infrared ray emitting ceramics", JP-A-64-77665 "Far-infrared ray emitting nonwoven fabric", JP-A-63-196710 "Far-infrared ray emitting synthetic fiber", JP-A-63-105107 " And a method for producing a fiber product, and JP-A No. 61-12908, "Textile Products Containing Ceramic Powder".

[0004]

DISCLOSURE OF THE INVENTION The present invention is more useful than the above-mentioned known artificial fibers containing artificial ceramics, namely, heat retention, deodorization, antibacterial properties, coloring stability, and flame retardancy. An object of the present invention is to provide a man-made fiber having excellent properties and a good feeling, and a fiber product using the man-made fiber.

[0005]

In order to achieve the above object,
The present inventor has searched for various components more effective than the conventionally used artificial ceramics, and found that the natural stone, commonly known as Sansenite from Taiwan, has an extremely specific action. The invention has been completed.

That is, as the first invention, 1 to 1
As a second invention, a novel artificial fiber containing 5% by weight of sensengite powder is used, and as a second invention, a mixed powder of sensengite and serpentine and / or quartz schist including at least 30% by weight of sensengite powder is used. To 15% by weight of a novel artificial fiber. Further, as a third invention, there is provided a fiber product in which the artificial fiber according to the first invention or the second invention is mixed at least 10% by weight in a fiber material.

[0007]

The present invention will now be described in detail with its operation.

The sensengite used in the present invention is a common name for a colored cordierite-based natural stone produced on the shore of the Pacific Ocean in Taiwan, Taiwan (in Japan, this is also called aura stone). Originally, seamounts on the seafloor have collapsed and are said to have crashed, and can be divided into several color systems such as blue and brown, but any of them can be used.

[0009] Serpentine, which is produced from Hualien County, Taiwan Province, especially in the vicinity of Yuli Maki, is of high quality and is very preferable. In addition, as quartz schist, those rich in silica components produced near Kitashitara-gun, Aichi have moisture adsorption, deodorization, antibacterial properties, etc., and the amount of far-infrared radiation is also a reasonable value,
preferable.

[0010] In order to find out what useful effects such as heat retention, deodorization, antibacterial properties and flame retardancy are caused by incorporating these natural stone powders into man-made fibers, the above-mentioned sengoku and serpentine are mentioned. Was analyzed. Table 1 shows the results of identification of the compound by X-ray diffraction, and Table 2 shows the results of qualitative and quantitative analysis by fluorescent X-ray. Sample 1 is blue sengoku,
Sample 2 is a brown senseng, and Sample 3 is a serpentine from Yuli Maki, Hualien, Taiwan (the sample number is used as it is hereinafter).

[0011]

[Table 1]

[0012]

[Table 2] As one means for exploring the cause of the action of the natural stone used in the present invention, the sample was pulverized, molded under pressure, and the far-infrared emissivity was measured. First, the vertical axis indicates the spectral emissivity (%) and the horizontal axis indicates the wave number (cm ^-1 ), and FIG. 1 shows the measurement results of Sample 1 and FIG. In each case, a very high spectral emissivity of 90% or more was shown over almost the entire range of wave numbers of 500 to 2200 cm ^-1 (wavelength of 4.5 to 20 μm).

Next, FIG. 3 shows the measurement results of the spectral infrared emissivity of the serpentine (sample 3) at 500 ° C., and the vertical axis shows the spectral emissivity (%) and the horizontal axis shows the wave number (cm ⁻¹ ). FIG. 4 shows the measurement results of the hemispherical spectral infrared radiation emittance at 500 ° C., with the vertical axis representing the spectral radiation emittance (W / m ² μm) and the horizontal axis representing the wavelength (μm). 500 ° C, wave number 330-5000cm
The emissivity in the range of ^-1 (wavelength 2-30.3 μm) is 93%
Met. In FIG. 4, B is a measurement result of a black body measured for comparison. It is understood that the high emissivity of the raw material plays a role in the effect of the present invention. Other deodorizing properties, antibacterial properties, heat retention properties, and the like will be described in Examples.

[0014] In addition, three sensengites having various colors are produced, serpentine has a dark green color, and one or several of them are mixed with artificial fibers to make the artificial fibers relatively light-colored. It has the effect of coloring the shade with the soothing tone found only in natural colors. This coloring does not fade due to washing or the like, and there is no possibility of discoloration even after long-term use.

However, as is clear from the above analysis results, the natural stone used in the present invention contains a large number of components, and which component or any combination of these components is effectively acting. It is extremely difficult to determine, and unfortunately, it has not yet been identified. However, a delicate combination of many components unique to natural stones and their ratios have an effect not seen in artificial fibers mixed with artificial ceramics of simple components, and bring about the effects of the present invention. Guess what. The analytical values described above relate to one sample of the sacrifice and serpentine used in the present invention, and do not limit the composition of the sacrifice and serpentine used in the present invention.

[0016] The artificial fibers of the present invention are polyamide-based, polyester-based, polyacrylonitrile-based, polyvinyl-based,
Various synthetic fibers including polyolefins and polyurethanes, semi-synthetic fibers including viscose rayon and acetates, filaments such as inorganic fibers, staples, cotton, and piles are included. Any method for producing or spinning these artificial fibers may be used, and their fineness,
The cross-sectional shape and the like are not limited, and composite fibers may be used.

The artificial fiber according to the first invention contains 1 to 15% by weight, preferably 1 to 5% by weight of the sensengite powder.
Is mixed. When the content is 1% by weight or less, the effect is not remarkable, and when the content is 15% by weight or more, the properties of artificial fibers, particularly, tensile strength may be reduced.

The sengoku powder may be used as a mixture with other components. Preferred third components are the aforementioned serpentine from Taiwan and quartz schist from Aichi Prefecture. The artificial fiber according to the second invention is obtained by mixing 1 to 15% by weight of a mixed powder of sacrifice and serpentine and / or quartz schist, which contains at least 30% by weight of the sacrifice powder. Preferred mixing ratios are 40-60% by weight of sengoku powder, 30-50% by weight of serpentine powder, and 5-20% by weight of quartz schist powder.
% By weight. In particular, a mixing ratio of about 50% by weight of Sansen stone powder, about 40% by weight of serpentine powder from Taiwan, and about 10% by weight of quartz schist powder from Kitashitara-gun, Aichi Prefecture is preferable. When the amount of the Sansenishi powder in the mixed powder is 30% by weight or less, the effect of the addition becomes inferior.

The artificial fibers according to the first or second aspect of the present invention include, for example, titanium oxide powder and other pigments in addition to the sengoku powder, the serpentine powder and / or the quartz schist powder.
A weathering agent or the like may be added. Also, powders of zirconium carbide, silver or copper, or oxides thereof may be added for special purposes. Addition of silver or its oxide powder has the effect of removing oily odor.

These powders can be mixed during any of the man-made fiber production processes. For example, it is added in the raw material adjustment step, polymerization step, etc. to produce a high-content master chip, which is then mixed with ordinary chips and melt-spun, or directly mixed with the spinning solution and wet-spun. I do.

The size of the powder is preferably adjusted so as not to affect the strength or the like of the artificial fiber, and more specifically, to adjust the particle size to about 5 μm or less.

Next, the third invention will be described. Various fiber products can be manufactured using the artificial fibers according to the first or second invention. These fiber products contain at least 10 artificial fibers of the invention in a fiber material.
% Is preferred in order to exhibit its effectiveness. In general, if it is less than 10%, the effect is questioned. Examples of textile products include woven, knitted,
Textile materials such as cotton, non-woven fabric, thread, rope, string and paper; underwear, baby goods, handkerchief, corset, outerwear,
Clothing such as protective clothing, artificial flowers, wigs, masks and their accessories; hats; bedding; footwear; haberdashery; hand-held items; travel goods; brush products;
Medical supplies; sanitary supplies; sports supplies; vehicle supplies; marine supplies; aviation and space supplies; industrial supplies; and many other articles made of fiber and articles made of fiber as a constituent material.

[0023]

【Example】

Example 1 50 kg of sample 1 sengsenite and 40 kg of sample 3 serpentine
10 kg of quartz schist from Kitashitara-gun, Aichi Prefecture, and fine crushed stone were all wet-ground with a ball mill for about 50 hours. The obtained muddy mixed powder was sedimented and classified with water to remove coarse particles, and the remainder was spread on a roving plate and dried in the sun for several days to obtain a fine powder. When observed with a microscope, the particle size was about 1
It was 5 μm.

To 30 parts by weight of this fine powder, 70 parts by weight of polyester chips were added and melt-extruded by an extruder to produce master chips. The polyester chip was mixed with the master chip 16.6 at a weight ratio of 83.4, and the mixture was melt-spun with a melting point of 255 ± 5 ° C. and a 900-hole die.
Further, the tow was drawn 4.5 times and aligned to give a tow having about 500,000 denier and single denier fineness of 3.0 denier. This is crimpered to give a crimp of 12 to 14 peaks per inch, then cut to about 32 mm, and staple fiber containing about 5% by weight of the above natural stone powder (sample 1)
Was manufactured. Sample 1 obtained had a beautiful sky blue color.

For this sample 1, the spectral emissivity and the spectral radiance were measured at a temperature of 40 ° C. The vertical axis indicates the spectral emissivity (%) and the spectral radiance (Wcm ^-2
FIG. 5 and FIG. 6 show str ⁻¹ cm · 10 ⁻⁴ ) and the horizontal axis represents the wave number (cm ⁻¹ ). In FIG. 6, B is a measurement result of a black body measured for comparison.

Example 2 Using the same method as in Example 1 except that the master chips obtained in Example 1 were mixed in a weight ratio of 6 and the polyester chips in a weight ratio of 94, about 3% by weight of the natural stone powder was mixed. A staple fiber was manufactured (Sample 2). The obtained sample 2 was pale and beautiful sky blue. Further, similarly to the sample 1, the spectral emissivity (%) and the spectral radiance (W · cm ⁻² · str ⁻¹ cm · 10 ^-4 ) were measured at a temperature of 40 ° C. The measurement results are shown in FIGS. 5 and 6 as in Example 1.

Example 3 The polyester staple of Sample 1 obtained in Example 1 was spun into a No. 20 single yarn by an open-end spinning machine to form a No. 10 twin yarn, and the spun yarn was flat-knitted and knitted. (Sample 3). Further, natural cotton was mixed with the polyester staple of Sample 1 in a weight ratio of 1: 1 to obtain a knitted fabric (Sample 4) in the same manner as in Sample 3. The heat retention, antibacterial and deodorizing properties of these samples 3 and 4 were measured.

First, the heat retention is determined by the JIS L1018 A method.
225 cm of test piece in accordance with ^Two, Test piece temperature 3
5 ± 0.5 ℃, outside air temperature 20 ± 2 ℃, test time 60 minutes
The heat retention was calculated by the following equation.

Heat retention rate (%) = (1−b / a) × 100 where a: heat release amount of the heating element in the bare state b: heat release amount when the sample is attached to the heating element A knitted fabric of 100% vinyl chloride (comparative sample 1) and a knitted fabric of 50% vinyl chloride and 50% natural cotton (comparative sample 2), in which a similar knitted fabric having the highest heat retention among the artificial fibers is easily available. In the same manner, the heat retention was measured in the same manner.

As a result, the heat retention rate was 38.9% for sample 33, 35.9% for comparative sample 1, 35.1% for sample 43, and 33.2% for comparative sample. It was found that the polyester, which was considered to have lower heat retention than vinyl chloride, was higher.

Next, the antibacterial properties of the samples 3 and 4 were measured in accordance with the manual for evaluating the processing effect of antibacterial and deodorized processed products and the method of measuring the number of bacteria (Fiber Product Sanitation Processing Council). That is, Staphylococcus aureus was used as a test bacterium, measured at a sample mass of 0.2 g, a culture temperature of 37 ° C., and a cultivation time of 18 hours. Was calculated. As a non-processed sample for comparison (Comparative sample 3), a nylon standard white cloth was used.

Bacterial count increase / decrease ratio = viable bacterial count on test piece after cultivation for 18 hours / viable bacterial count immediately before cultivation Bacterial count increase / decrease value = Log ₁₀ (viable bacterial count on test piece after cultivated for 18 hours / viable count immediately before cultivation) (Bacterial count) Bacterial count increase / decrease difference = Bacterial count increase / decrease value of unprocessed sample−Bacterial count increase / decrease value of sample As a result, in the order of sample 3, sample 4, and comparative sample 3, the bacterial count increase / decrease ratio is 2.1. × 10 ² , 7.2
× 10 ² and 1.4 × 10 ³ , the bacterial count increase / decrease values were 2.3, 2.9 and 3.1, respectively, and the bacterial count increase / decrease values were 0.8 and 0.2, respectively.

The deodorizing property was measured by measuring the adsorption performance of sample 4 against ammonia, and compared with a commercially available deodorized natural cotton / polyacrylonitrile / nylon blend knitted fabric (comparative sample 4). Insert the knitted fabric cut into the size of 5 cm x 10 cm into a 1-liter brown wide-mouth bottle,
The ammonia concentration at each time was measured with a Kitagawa ammonia gas detector tube under the same ammonia gas atmosphere, and almost the same concentration decay curve was obtained.

In order to compare the fading properties, about 50 ×
Three pieces of each of the fabrics of Samples 3 and 4 cut to 50 cm and a commercially available light-colored polyester 50
% Knitted fabric of 50% cotton and 50% cotton are prepared, and washed, washed with water, dehydrated, rinsed, and dehydrated with an electric washing machine, and then dried in the same manner as in an ordinary household. did. This operation was repeated 10 times. The commercial knitted fabric showed considerable bleaching, but samples 3 and 4
Almost no bleaching or discoloration was observed.

Example 4 In the same manner as in Example 2 except that serpentine and quartz schist were not used and 50 kg of sensengite was used, staple fiber containing about 3% by weight of sensengite powder was produced, and cotton (sample) 5).

Two sets of double laying mats and hanging mats packed with 2.2% of 100% feathers on the market were obtained, and one of the sets was replaced with 2.2 kg of the cotton of Sample 7 in each set. The two sets of futons were laid in the same room, and the detection end of a non-contact radiation thermometer (THI type, manufactured by Tasco Japan Co., Ltd.) was inserted by selecting approximately six corresponding positions, and the temperatures were compared. When the room temperature in the daytime was 26 ° C., the average temperature of the above 6 points was 24 ° C. in both cases. Room temperature is 15.2 after 12 hours
At that time, the average temperature of the duvet was 16.3 ° C, while the average temperature of the futon containing sample 5 was 1
8.5 ° C. In addition, the hand of Sample 5 felt the strength of the waist with a feeling not inferior to that of feathers.

[0037]

EFFECT OF THE INVENTION The novel artificial fiber containing the sensate according to the present invention and a fiber product containing the artificial fiber have excellent heat retention, antibacterial properties, deodorizing properties and flame retardancy, and have a good feeling. It is well characterized by various properties. Depending on the selection and blending of the natural stones used, these textiles can be beautifully colored in various colors. The colors are resistant to washing and long-term use, and do not discolor.

When used for the production of various textile products, particularly products for health promotion and comfortable living, such as bedding, underwear, and sports goods, the effect is great.

[Brief description of the drawings]

FIG. 1 is a measurement chart of far-infrared emissivity of powder of Sansenishi (sample 1).

FIG. 2 is a chart of measurement of far-infrared emissivity of powder of Sansengoku (sample 2).

FIG. 3 shows the spectral infrared emissivity of the serpentine (sample 3) powder (5
00 ° C) measurement chart

FIG. 4 is a measurement chart of hemispherical spectral infrared radiation emission (500 ° C.) of serpentine (sample 3) powder.

FIG. 5 is a measurement chart of the spectral emissivity (40 ° C.) of a polyester staple (sample 2) containing 5% of sengoku powder.

FIG. 6 is a measurement chart of the spectral radiance (40 ° C.) of a polyester staple (sample 2) containing 5% of sengoku powder.

Claims (3)

(57) [Claims] An artificial fiber containing 1 to 15% by weight of a sengoku powder. 2. An artificial fiber containing from 1 to 15% by weight of a mixed powder of senseng and serpentine and / or quartz schist, comprising at least 30% by weight of sensengite powder. 3. A fiber product in which the artificial fiber according to claim 1 or 2 is mixed at least 10% by weight in a fiber material.